HEADER    TRANSFERASE, HYDROLASE                  16-OCT-01   1K6M               
TITLE     CRYSTAL STRUCTURE OF HUMAN LIVER 6-PHOSPHOFRUCTO-2-KINASE/FRUCTOSE-2,  
TITLE    2 6-BISPHOSPHATASE                                                      
COMPND    MOL_ID: 1;                                                             
COMPND   2 MOLECULE: 6-PHOSPHOFRUCTO-2-KINASE/FRUCTOSE-2,6-BIPHOSPHATASE 2-      
COMPND   3 PHOSPHATASE;                                                          
COMPND   4 CHAIN: A, B;                                                          
COMPND   5 EC: 2.7.1.105, 3.1.3.46;                                              
COMPND   6 ENGINEERED: YES;                                                      
COMPND   7 MUTATION: YES                                                         
SOURCE    MOL_ID: 1;                                                             
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                    
SOURCE   3 ORGANISM_COMMON: HUMAN;                                               
SOURCE   4 ORGANISM_TAXID: 9606;                                                 
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                        
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 469008;                                      
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21DE3;                                    
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                               
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET3C                                      
KEYWDS    TISSUE DIFFERENTIATION, ISOFORM, DOMAIN STABILITY, TRANSFERASE,        
KEYWDS   2 HYDROLASE                                                             
EXPDTA    X-RAY DIFFRACTION                                                      
AUTHOR    Y.H.LEE,Y.LI,K.UYEDA,C.A.HASEMANN                                      
REVDAT   6   16-AUG-23 1K6M    1       REMARK                                    
REVDAT   5   27-OCT-21 1K6M    1       REMARK SEQADV                             
REVDAT   4   07-MAR-12 1K6M    1       HET    HETATM HETNAM HETSYN               
REVDAT   4 2                   1       VERSN                                     
REVDAT   3   24-FEB-09 1K6M    1       VERSN                                     
REVDAT   2   15-FEB-05 1K6M    1       JRNL                                      
REVDAT   1   11-DEC-02 1K6M    0                                                 
JRNL        AUTH   Y.H.LEE,Y.LI,K.UYEDA,C.A.HASEMANN                             
JRNL        TITL   TISSUE-SPECIFIC STRUCTURE/FUNCTION DIFFERENTIATION OF THE     
JRNL        TITL 2 LIVER ISOFORM OF                                              
JRNL        TITL 3 6-PHOSPHOFRUCTO-2-KINASE/FRUCTOSE-2,6-BISPHOSPHATASE.         
JRNL        REF    J.BIOL.CHEM.                  V. 278   523 2003               
JRNL        REFN                   ISSN 0021-9258                                
JRNL        PMID   12379646                                                      
JRNL        DOI    10.1074/JBC.M209105200                                        
REMARK   2                                                                       
REMARK   2 RESOLUTION.    2.40 ANGSTROMS.                                        
REMARK   3                                                                       
REMARK   3 REFINEMENT.                                                           
REMARK   3   PROGRAM     : CNS                                                   
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-               
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,               
REMARK   3               : READ,RICE,SIMONSON,WARREN                             
REMARK   3                                                                       
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                     
REMARK   3                                                                       
REMARK   3  DATA USED IN REFINEMENT.                                             
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40                            
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                           
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                            
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                            
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 10.0                            
REMARK   3   NUMBER OF REFLECTIONS             : 42142                           
REMARK   3                                                                       
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                      
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                       
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                           
REMARK   3   R VALUE            (WORKING SET) : 0.217                            
REMARK   3   FREE R VALUE                     : 0.257                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 9.990                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 4214                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                             
REMARK   3                                                                       
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                   
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                          
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                          
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                          
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                          
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                          
REMARK   3   BIN FREE R VALUE                    : NULL                          
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                          
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                          
REMARK   3                                                                       
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                     
REMARK   3   PROTEIN ATOMS            : 7054                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                        
REMARK   3   HETEROGEN ATOMS          : 82                                       
REMARK   3   SOLVENT ATOMS            : 397                                      
REMARK   3                                                                       
REMARK   3  B VALUES.                                                            
REMARK   3   FROM WILSON PLOT           (A**2) : 51.80                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 41.10                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                        
REMARK   3    B11 (A**2) : NULL                                                  
REMARK   3    B22 (A**2) : NULL                                                  
REMARK   3    B33 (A**2) : NULL                                                  
REMARK   3    B12 (A**2) : NULL                                                  
REMARK   3    B13 (A**2) : NULL                                                  
REMARK   3    B23 (A**2) : NULL                                                  
REMARK   3                                                                       
REMARK   3  ESTIMATED COORDINATE ERROR.                                          
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                             
REMARK   3   ESD FROM SIGMAA              (A) : NULL                             
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                             
REMARK   3                                                                       
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                          
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                             
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                             
REMARK   3                                                                       
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                    
REMARK   3   BOND LENGTHS                 (A) : 0.011                            
REMARK   3   BOND ANGLES            (DEGREES) : 1.900                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 29.60                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                             
REMARK   3                                                                       
REMARK   3  ISOTROPIC THERMAL MODEL : ISOTROPIC                                  
REMARK   3                                                                       
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                 
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                  
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                  
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                  
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                  
REMARK   3                                                                       
REMARK   3  BULK SOLVENT MODELING.                                               
REMARK   3   METHOD USED : NULL                                                  
REMARK   3   KSOL        : NULL                                                  
REMARK   3   BSOL        : NULL                                                  
REMARK   3                                                                       
REMARK   3  NCS MODEL : NULL                                                     
REMARK   3                                                                       
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT           
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                  
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                  
REMARK   3                                                                       
REMARK   3  PARAMETER FILE  1  : NULL                                            
REMARK   3  TOPOLOGY FILE  1   : NULL                                            
REMARK   3                                                                       
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                       
REMARK   4                                                                       
REMARK   4 1K6M COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                          
REMARK 100                                                                       
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 26-OCT-01.                   
REMARK 100 THE DEPOSITION ID IS D_1000014625.                                    
REMARK 200                                                                       
REMARK 200 EXPERIMENTAL DETAILS                                                  
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                   
REMARK 200  DATE OF DATA COLLECTION        : 31-DEC-99                           
REMARK 200  TEMPERATURE           (KELVIN) : 100                                 
REMARK 200  PH                             : 8.0                                 
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                   
REMARK 200                                                                       
REMARK 200  SYNCHROTRON              (Y/N) : N                                   
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                      
REMARK 200  BEAMLINE                       : NULL                                
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU200                        
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                   
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                              
REMARK 200  MONOCHROMATOR                  : GRAPHITE                            
REMARK 200  OPTICS                         : MIRRORS                             
REMARK 200                                                                       
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                         
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                               
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                           
REMARK 200                                                                       
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 42142                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.400                               
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                              
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                               
REMARK 200                                                                       
REMARK 200 OVERALL.                                                              
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.5                                
REMARK 200  DATA REDUNDANCY                : 3.900                               
REMARK 200  R MERGE                    (I) : 0.07400                             
REMARK 200  R SYM                      (I) : 0.07400                             
REMARK 200   FOR THE DATA SET  : 20.1000                             
REMARK 200                                                                       
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                      
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                      
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                      
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                                
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                                
REMARK 200  R MERGE FOR SHELL          (I) : NULL                                
REMARK 200  R SYM FOR SHELL            (I) : NULL                                
REMARK 200   FOR SHELL         : NULL                                
REMARK 200                                                                       
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                               
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT         
REMARK 200 SOFTWARE USED: X-PLOR                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1BIF                                        
REMARK 200                                                                       
REMARK 200 REMARK: NULL                                                          
REMARK 280                                                                       
REMARK 280 CRYSTAL                                                               
REMARK 280 SOLVENT CONTENT, VS   (%): 60.36                                      
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.10                      
REMARK 280                                                                       
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, TRIS, SODIUM PHOSPHATE, , PH    
REMARK 280  8.0, VAPOR DIFFUSION, HANGING DROP                                   
REMARK 290                                                                       
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                             
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                           
REMARK 290                                                                       
REMARK 290      SYMOP   SYMMETRY                                                 
REMARK 290     NNNMMM   OPERATOR                                                 
REMARK 290       1555   X,Y,Z                                                    
REMARK 290       2555   -X,Y,-Z                                                  
REMARK 290       3555   X+1/2,Y+1/2,Z                                            
REMARK 290       4555   -X+1/2,Y+1/2,-Z                                          
REMARK 290                                                                       
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                      
REMARK 290           MMM -> TRANSLATION VECTOR                                   
REMARK 290                                                                       
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                             
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM              
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                 
REMARK 290 RELATED MOLECULES.                                                    
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000             
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000             
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000             
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000             
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000             
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000             
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       37.49000             
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       92.66500             
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000             
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       37.49000             
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       92.66500             
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000             
REMARK 290                                                                       
REMARK 290 REMARK: NULL                                                          
REMARK 300                                                                       
REMARK 300 BIOMOLECULE: 1, 2                                                     
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                 
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                   
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON                
REMARK 300 BURIED SURFACE AREA.                                                  
REMARK 350                                                                       
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN            
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                 
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS           
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                           
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                                
REMARK 350                                                                       
REMARK 350 BIOMOLECULE: 1                                                        
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                            
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                      
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000             
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000             
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000             
REMARK 350   BIOMT1   2 -1.000000  0.000000  0.000000       -1.09550             
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000             
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       89.66331             
REMARK 350                                                                       
REMARK 350 BIOMOLECULE: 2                                                        
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                            
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                      
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000             
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000             
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000             
REMARK 350   BIOMT1   2 -1.000000  0.000000  0.000000        0.00000             
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000             
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000        0.00000             
REMARK 375                                                                       
REMARK 375 SPECIAL POSITION                                                      
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS             
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL           
REMARK 375 POSITIONS.                                                            
REMARK 375                                                                       
REMARK 375 ATOM RES CSSEQI                                                       
REMARK 375      HOH A 608  LIES ON A SPECIAL POSITION.                           
REMARK 375      HOH A 759  LIES ON A SPECIAL POSITION.                           
REMARK 375      HOH A 794  LIES ON A SPECIAL POSITION.                           
REMARK 375      HOH B 727  LIES ON A SPECIAL POSITION.                           
REMARK 500                                                                       
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                          
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                      
REMARK 500                                                                       
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                             
REMARK 500                                                                       
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE           
REMARK 500   O    HOH A   619     O    HOH A   632              1.62             
REMARK 500   O    HOH A   632     O    HOH A   648              1.91             
REMARK 500   NH2  ARG A    63     O    TYR A   402              2.12             
REMARK 500                                                                       
REMARK 500 REMARK: NULL                                                          
REMARK 500                                                                       
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                          
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                              
REMARK 500                                                                       
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC              
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15           
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A            
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375              
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE                
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.             
REMARK 500                                                                       
REMARK 500 DISTANCE CUTOFF:                                                      
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS               
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                   
REMARK 500                                                                       
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE           
REMARK 500   O    HOH A   730     O    HOH B   691     4456     1.88             
REMARK 500                                                                       
REMARK 500 REMARK: NULL                                                          
REMARK 500                                                                       
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                          
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                        
REMARK 500                                                                       
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES               
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE                
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN                
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                  
REMARK 500                                                                       
REMARK 500 STANDARD TABLE:                                                       
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)               
REMARK 500                                                                       
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                         
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                      
REMARK 500                                                                       
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                      
REMARK 500    ARG A  63   NE  -  CZ  -  NH1 ANGL. DEV. =   3.8 DEGREES           
REMARK 500    ARG A  63   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.3 DEGREES           
REMARK 500    TYR A  87   N   -  CA  -  C   ANGL. DEV. =  19.2 DEGREES           
REMARK 500    LYS A  88   N   -  CA  -  C   ANGL. DEV. =  20.9 DEGREES           
REMARK 500    LEU A 411   CA  -  CB  -  CG  ANGL. DEV. =  15.6 DEGREES           
REMARK 500    ARG B  63   NE  -  CZ  -  NH1 ANGL. DEV. =   3.5 DEGREES           
REMARK 500    LEU B 411   CA  -  CB  -  CG  ANGL. DEV. =  15.2 DEGREES           
REMARK 500                                                                       
REMARK 500 REMARK: NULL                                                          
REMARK 500                                                                       
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                          
REMARK 500 SUBTOPIC: TORSION ANGLES                                              
REMARK 500                                                                       
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:             
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;                
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                              
REMARK 500                                                                       
REMARK 500 STANDARD TABLE:                                                       
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                     
REMARK 500                                                                       
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-            
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400             
REMARK 500                                                                       
REMARK 500  M RES CSSEQI        PSI       PHI                                    
REMARK 500    PRO A  41      172.18    -53.10                                    
REMARK 500    ALA A  51       40.72     72.97                                    
REMARK 500    PRO A  71      103.97    -53.06                                    
REMARK 500    ALA A  84     -111.36   -113.87                                    
REMARK 500    VAL A  85     -131.85    -63.00                                    
REMARK 500    SER A  86     -122.13   -154.39                                    
REMARK 500    TYR A  87      -68.77    -90.69                                    
REMARK 500    LYS A  88      -82.97    -27.98                                    
REMARK 500    ASN A 161       55.47   -119.00                                    
REMARK 500    ILE A 181      106.04    -41.26                                    
REMARK 500    ASP A 182       94.06    -26.34                                    
REMARK 500    CYS A 183      -73.24   -122.75                                    
REMARK 500    ARG A 185     -117.65    -98.86                                    
REMARK 500    SER A 297       86.57     19.75                                    
REMARK 500    ILE A 328      152.23    -46.14                                    
REMARK 500    ASP A 355       78.44   -154.03                                    
REMARK 500    GLU A 385      -99.83    -99.83                                    
REMARK 500    CYS A 391     -127.59   -132.83                                    
REMARK 500    CYS A 416       78.14   -118.50                                    
REMARK 500    TYR A 429       86.18     36.28                                    
REMARK 500    CYS A 431      113.39   -176.21                                    
REMARK 500    PRO B  41      173.07    -52.83                                    
REMARK 500    ALA B  51       40.20     73.31                                    
REMARK 500    PRO B  71      104.04    -54.36                                    
REMARK 500    ALA B  84      -81.82   -112.99                                    
REMARK 500    LYS B  88       88.87    160.61                                    
REMARK 500    ASN B  89      104.85    169.78                                    
REMARK 500    GLU B  91       -6.90    -51.25                                    
REMARK 500    ASN B 161       55.19   -119.59                                    
REMARK 500    ILE B 181     -154.85    -72.14                                    
REMARK 500    ASP B 182      109.97    -53.30                                    
REMARK 500    ASP B 184     -153.68    -90.91                                    
REMARK 500    ARG B 185     -130.15    -50.88                                    
REMARK 500    SER B 297       85.54     19.46                                    
REMARK 500    ILE B 328      150.76    -46.25                                    
REMARK 500    ASP B 355       77.61   -153.41                                    
REMARK 500    GLU B 385     -100.05   -100.86                                    
REMARK 500    CYS B 391     -128.48   -133.01                                    
REMARK 500    CYS B 416       78.49   -118.26                                    
REMARK 500    TYR B 429       85.89     37.21                                    
REMARK 500    CYS B 431      114.58   -176.02                                    
REMARK 500                                                                       
REMARK 500 REMARK: NULL                                                          
REMARK 800                                                                       
REMARK 800 SITE                                                                  
REMARK 800 SITE_IDENTIFIER: AC1                                                  
REMARK 800 EVIDENCE_CODE: SOFTWARE                                               
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 501                  
REMARK 800                                                                       
REMARK 800 SITE_IDENTIFIER: AC2                                                  
REMARK 800 EVIDENCE_CODE: SOFTWARE                                               
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 502                  
REMARK 800                                                                       
REMARK 800 SITE_IDENTIFIER: AC3                                                  
REMARK 800 EVIDENCE_CODE: SOFTWARE                                               
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE AGS A 503                  
REMARK 800                                                                       
REMARK 800 SITE_IDENTIFIER: AC4                                                  
REMARK 800 EVIDENCE_CODE: SOFTWARE                                               
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 B 501                  
REMARK 800                                                                       
REMARK 800 SITE_IDENTIFIER: AC5                                                  
REMARK 800 EVIDENCE_CODE: SOFTWARE                                               
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 B 502                  
REMARK 800                                                                       
REMARK 800 SITE_IDENTIFIER: AC6                                                  
REMARK 800 EVIDENCE_CODE: SOFTWARE                                               
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE AGS B 503                  
DBREF  1K6M A   39   470  UNP    P16118   F261_HUMAN      40    471              
DBREF  1K6M B   39   470  UNP    P16118   F261_HUMAN      40    471              
SEQADV 1K6M PHE A   67  UNP  P16118    TRP    68 ENGINEERED MUTATION             
SEQADV 1K6M PHE A  301  UNP  P16118    TRP   302 ENGINEERED MUTATION             
SEQADV 1K6M PHE A  322  UNP  P16118    TRP   323 ENGINEERED MUTATION             
SEQADV 1K6M GLU A  409  UNP  P16118    ASP   410 ENGINEERED MUTATION             
SEQADV 1K6M PHE B   67  UNP  P16118    TRP    68 ENGINEERED MUTATION             
SEQADV 1K6M PHE B  301  UNP  P16118    TRP   302 ENGINEERED MUTATION             
SEQADV 1K6M PHE B  322  UNP  P16118    TRP   323 ENGINEERED MUTATION             
SEQADV 1K6M GLU B  409  UNP  P16118    ASP   410 ENGINEERED MUTATION             
SEQRES   1 A  432  ASN SER PRO THR MET VAL ILE MET VAL GLY LEU PRO ALA           
SEQRES   2 A  432  ARG GLY LYS THR TYR ILE SER THR LYS LEU THR ARG TYR           
SEQRES   3 A  432  LEU ASN PHE ILE GLY THR PRO THR LYS VAL PHE ASN LEU           
SEQRES   4 A  432  GLY GLN TYR ARG ARG GLU ALA VAL SER TYR LYS ASN TYR           
SEQRES   5 A  432  GLU PHE PHE LEU PRO ASP ASN MET GLU ALA LEU GLN ILE           
SEQRES   6 A  432  ARG LYS GLN CYS ALA LEU ALA ALA LEU LYS ASP VAL HIS           
SEQRES   7 A  432  ASN TYR LEU SER HIS GLU GLU GLY HIS VAL ALA VAL PHE           
SEQRES   8 A  432  ASP ALA THR ASN THR THR ARG GLU ARG ARG SER LEU ILE           
SEQRES   9 A  432  LEU GLN PHE ALA LYS GLU HIS GLY TYR LYS VAL PHE PHE           
SEQRES  10 A  432  ILE GLU SER ILE CYS ASN ASP PRO GLY ILE ILE ALA GLU           
SEQRES  11 A  432  ASN ILE ARG GLN VAL LYS LEU GLY SER PRO ASP TYR ILE           
SEQRES  12 A  432  ASP CYS ASP ARG GLU LYS VAL LEU GLU ASP PHE LEU LYS           
SEQRES  13 A  432  ARG ILE GLU CYS TYR GLU VAL ASN TYR GLN PRO LEU ASP           
SEQRES  14 A  432  GLU GLU LEU ASP SER HIS LEU SER TYR ILE LYS ILE PHE           
SEQRES  15 A  432  ASP VAL GLY THR ARG TYR MET VAL ASN ARG VAL GLN ASP           
SEQRES  16 A  432  HIS ILE GLN SER ARG THR VAL TYR TYR LEU MET ASN ILE           
SEQRES  17 A  432  HIS VAL THR PRO ARG SER ILE TYR LEU CYS ARG HIS GLY           
SEQRES  18 A  432  GLU SER GLU LEU ASN ILE ARG GLY ARG ILE GLY GLY ASP           
SEQRES  19 A  432  SER GLY LEU SER VAL ARG GLY LYS GLN TYR ALA TYR ALA           
SEQRES  20 A  432  LEU ALA ASN PHE ILE GLN SER GLN GLY ILE SER SER LEU           
SEQRES  21 A  432  LYS VAL PHE THR SER ARG MET LYS ARG THR ILE GLN THR           
SEQRES  22 A  432  ALA GLU ALA LEU GLY VAL PRO TYR GLU GLN PHE LYS ALA           
SEQRES  23 A  432  LEU ASN GLU ILE ASP ALA GLY VAL CYS GLU GLU MET THR           
SEQRES  24 A  432  TYR GLU GLU ILE GLN GLU HIS TYR PRO GLU GLU PHE ALA           
SEQRES  25 A  432  LEU ARG ASP GLN ASP LYS TYR ARG TYR ARG TYR PRO LYS           
SEQRES  26 A  432  GLY GLU SER TYR GLU ASP LEU VAL GLN ARG LEU GLU PRO           
SEQRES  27 A  432  VAL ILE MET GLU LEU GLU ARG GLN GLU ASN VAL LEU VAL           
SEQRES  28 A  432  ILE CYS HIS GLN ALA VAL MET ARG CYS LEU LEU ALA TYR           
SEQRES  29 A  432  PHE LEU ASP LYS SER SER GLU GLU LEU PRO TYR LEU LYS           
SEQRES  30 A  432  CYS PRO LEU HIS THR VAL LEU LYS LEU THR PRO VAL ALA           
SEQRES  31 A  432  TYR GLY CYS LYS VAL GLU SER ILE TYR LEU ASN VAL GLU           
SEQRES  32 A  432  ALA VAL ASN THR HIS ARG GLU LYS PRO GLU ASN VAL ASP           
SEQRES  33 A  432  ILE THR ARG GLU PRO GLU GLU ALA LEU ASP THR VAL PRO           
SEQRES  34 A  432  ALA HIS TYR                                                   
SEQRES   1 B  432  ASN SER PRO THR MET VAL ILE MET VAL GLY LEU PRO ALA           
SEQRES   2 B  432  ARG GLY LYS THR TYR ILE SER THR LYS LEU THR ARG TYR           
SEQRES   3 B  432  LEU ASN PHE ILE GLY THR PRO THR LYS VAL PHE ASN LEU           
SEQRES   4 B  432  GLY GLN TYR ARG ARG GLU ALA VAL SER TYR LYS ASN TYR           
SEQRES   5 B  432  GLU PHE PHE LEU PRO ASP ASN MET GLU ALA LEU GLN ILE           
SEQRES   6 B  432  ARG LYS GLN CYS ALA LEU ALA ALA LEU LYS ASP VAL HIS           
SEQRES   7 B  432  ASN TYR LEU SER HIS GLU GLU GLY HIS VAL ALA VAL PHE           
SEQRES   8 B  432  ASP ALA THR ASN THR THR ARG GLU ARG ARG SER LEU ILE           
SEQRES   9 B  432  LEU GLN PHE ALA LYS GLU HIS GLY TYR LYS VAL PHE PHE           
SEQRES  10 B  432  ILE GLU SER ILE CYS ASN ASP PRO GLY ILE ILE ALA GLU           
SEQRES  11 B  432  ASN ILE ARG GLN VAL LYS LEU GLY SER PRO ASP TYR ILE           
SEQRES  12 B  432  ASP CYS ASP ARG GLU LYS VAL LEU GLU ASP PHE LEU LYS           
SEQRES  13 B  432  ARG ILE GLU CYS TYR GLU VAL ASN TYR GLN PRO LEU ASP           
SEQRES  14 B  432  GLU GLU LEU ASP SER HIS LEU SER TYR ILE LYS ILE PHE           
SEQRES  15 B  432  ASP VAL GLY THR ARG TYR MET VAL ASN ARG VAL GLN ASP           
SEQRES  16 B  432  HIS ILE GLN SER ARG THR VAL TYR TYR LEU MET ASN ILE           
SEQRES  17 B  432  HIS VAL THR PRO ARG SER ILE TYR LEU CYS ARG HIS GLY           
SEQRES  18 B  432  GLU SER GLU LEU ASN ILE ARG GLY ARG ILE GLY GLY ASP           
SEQRES  19 B  432  SER GLY LEU SER VAL ARG GLY LYS GLN TYR ALA TYR ALA           
SEQRES  20 B  432  LEU ALA ASN PHE ILE GLN SER GLN GLY ILE SER SER LEU           
SEQRES  21 B  432  LYS VAL PHE THR SER ARG MET LYS ARG THR ILE GLN THR           
SEQRES  22 B  432  ALA GLU ALA LEU GLY VAL PRO TYR GLU GLN PHE LYS ALA           
SEQRES  23 B  432  LEU ASN GLU ILE ASP ALA GLY VAL CYS GLU GLU MET THR           
SEQRES  24 B  432  TYR GLU GLU ILE GLN GLU HIS TYR PRO GLU GLU PHE ALA           
SEQRES  25 B  432  LEU ARG ASP GLN ASP LYS TYR ARG TYR ARG TYR PRO LYS           
SEQRES  26 B  432  GLY GLU SER TYR GLU ASP LEU VAL GLN ARG LEU GLU PRO           
SEQRES  27 B  432  VAL ILE MET GLU LEU GLU ARG GLN GLU ASN VAL LEU VAL           
SEQRES  28 B  432  ILE CYS HIS GLN ALA VAL MET ARG CYS LEU LEU ALA TYR           
SEQRES  29 B  432  PHE LEU ASP LYS SER SER GLU GLU LEU PRO TYR LEU LYS           
SEQRES  30 B  432  CYS PRO LEU HIS THR VAL LEU LYS LEU THR PRO VAL ALA           
SEQRES  31 B  432  TYR GLY CYS LYS VAL GLU SER ILE TYR LEU ASN VAL GLU           
SEQRES  32 B  432  ALA VAL ASN THR HIS ARG GLU LYS PRO GLU ASN VAL ASP           
SEQRES  33 B  432  ILE THR ARG GLU PRO GLU GLU ALA LEU ASP THR VAL PRO           
SEQRES  34 B  432  ALA HIS TYR                                                   
HET    PO4  A 501       5                                                        
HET    PO4  A 502       5                                                        
HET    AGS  A 503      37                                                        
HET    PO4  B 501       5                                                        
HET    PO4  B 502       5                                                        
HET    AGS  B 503      37                                                        
HETNAM     PO4 PHOSPHATE ION                                                     
HETNAM     AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER                        
HETSYN     AGS ATP-GAMMA-S; ADENOSINE 5'-(3-THIOTRIPHOSPHATE);                   
HETSYN   2 AGS  ADENOSINE 5'-(GAMMA-THIOTRIPHOSPHATE); ADENOSINE-5'-             
HETSYN   3 AGS  DIPHOSPHATE MONOTHIOPHOSPHATE                                    
FORMUL   3  PO4    4(O4 P 3-)                                                    
FORMUL   5  AGS    2(C10 H16 N5 O12 P3 S)                                        
FORMUL   9  HOH   *397(H2 O)                                                     
HELIX    1   1 GLY A   53  ILE A   68  1                                  16     
HELIX    2   2 LEU A   77  GLU A   83  1                                   7     
HELIX    3   3 ASN A   89  LEU A   94  5                                   6     
HELIX    4   4 ASN A   97  HIS A  121  1                                  25     
HELIX    5   5 THR A  135  GLY A  150  1                                  16     
HELIX    6   6 ASP A  162  LEU A  175  1                                  14     
HELIX    7   7 ARG A  185  VAL A  201  1                                  17     
HELIX    8   8 ASP A  233  MET A  244  1                                  12     
HELIX    9   9 SER A  261  ARG A  266  1                                   6     
HELIX   10  10 SER A  276  GLN A  293  1                                  18     
HELIX   11  11 MET A  305  ALA A  314  1                                  10     
HELIX   12  12 LYS A  323  ASN A  326  5                                   4     
HELIX   13  13 ALA A  330  GLU A  334  5                                   5     
HELIX   14  14 THR A  337  TYR A  345  1                                   9     
HELIX   15  15 TYR A  345  ASP A  355  1                                  11     
HELIX   16  16 SER A  366  GLN A  384  1                                  19     
HELIX   17  17 HIS A  392  ASP A  405  1                                  14     
HELIX   18  18 GLU A  410  LEU A  414  5                                   5     
HELIX   19  19 GLU A  458  ASP A  464  1                                   7     
HELIX   20  20 GLY B   53  ILE B   68  1                                  16     
HELIX   21  21 LEU B   77  GLU B   83  1                                   7     
HELIX   22  22 ASN B   89  LEU B   94  5                                   6     
HELIX   23  23 ASN B   97  HIS B  121  1                                  25     
HELIX   24  24 THR B  135  GLY B  150  1                                  16     
HELIX   25  25 ASP B  162  LEU B  175  1                                  14     
HELIX   26  26 GLU B  186  VAL B  201  1                                  16     
HELIX   27  27 ASP B  233  MET B  244  1                                  12     
HELIX   28  28 SER B  261  ARG B  266  1                                   6     
HELIX   29  29 SER B  276  GLY B  294  1                                  19     
HELIX   30  30 MET B  305  ALA B  314  1                                  10     
HELIX   31  31 LYS B  323  ASN B  326  5                                   4     
HELIX   32  32 ALA B  330  GLU B  334  5                                   5     
HELIX   33  33 THR B  337  TYR B  345  1                                   9     
HELIX   34  34 TYR B  345  ASP B  355  1                                  11     
HELIX   35  35 SER B  366  GLN B  384  1                                  19     
HELIX   36  36 HIS B  392  ASP B  405  1                                  14     
HELIX   37  37 GLU B  410  LEU B  414  5                                   5     
HELIX   38  38 GLU B  458  ASP B  464  1                                   7     
SHEET    1   A 6 THR A  72  ASN A  76  0                                         
SHEET    2   A 6 VAL A 126  ASP A 130  1  O  VAL A 128   N  LYS A  73            
SHEET    3   A 6 THR A  42  VAL A  47  1  N  VAL A  44   O  PHE A 129            
SHEET    4   A 6 LYS A 152  ILE A 159  1  O  PHE A 154   N  ILE A  45            
SHEET    5   A 6 TYR A 216  PHE A 220  1  O  ILE A 219   N  GLU A 157            
SHEET    6   A 6 ARG A 225  ASN A 229 -1  O  ASN A 229   N  TYR A 216            
SHEET    1   B 6 GLU A 320  GLN A 321  0                                         
SHEET    2   B 6 LYS A 299  THR A 302  1  N  THR A 302   O  GLU A 320            
SHEET    3   B 6 VAL A 387  CYS A 391  1  O  LEU A 388   N  LYS A 299            
SHEET    4   B 6 ILE A 253  ARG A 257  1  N  CYS A 256   O  CYS A 391            
SHEET    5   B 6 THR A 420  PRO A 426 -1  O  LEU A 424   N  ILE A 253            
SHEET    6   B 6 CYS A 431  TYR A 437 -1  O  ILE A 436   N  VAL A 421            
SHEET    1   C 6 THR B  72  ASN B  76  0                                         
SHEET    2   C 6 VAL B 126  ASP B 130  1  O  VAL B 128   N  LYS B  73            
SHEET    3   C 6 THR B  42  VAL B  47  1  N  VAL B  44   O  PHE B 129            
SHEET    4   C 6 LYS B 152  ILE B 159  1  O  PHE B 154   N  ILE B  45            
SHEET    5   C 6 TYR B 216  PHE B 220  1  O  ILE B 219   N  GLU B 157            
SHEET    6   C 6 ARG B 225  ASN B 229 -1  O  ASN B 229   N  TYR B 216            
SHEET    1   D 6 GLU B 320  GLN B 321  0                                         
SHEET    2   D 6 LYS B 299  THR B 302  1  N  THR B 302   O  GLU B 320            
SHEET    3   D 6 VAL B 387  CYS B 391  1  O  LEU B 388   N  LYS B 299            
SHEET    4   D 6 ILE B 253  ARG B 257  1  N  CYS B 256   O  CYS B 391            
SHEET    5   D 6 THR B 420  PRO B 426 -1  O  LEU B 424   N  ILE B 253            
SHEET    6   D 6 CYS B 431  TYR B 437 -1  O  ILE B 436   N  VAL B 421            
SITE     1 AC1  8 ARG A 257  HIS A 258  ASN A 264  ARG A 307                     
SITE     2 AC1  8 GLU A 327  HIS A 392  GLN A 393  HOH A 742                     
SITE     1 AC2  9 TYR A 338  ARG A 352  LYS A 356  TYR A 367                     
SITE     2 AC2  9 GLN A 393  ARG A 397  HOH A 637  HOH A 639                     
SITE     3 AC2  9 HOH A 664                                                      
SITE     1 AC3 17 ALA A  51  ARG A  52  GLY A  53  LYS A  54                     
SITE     2 AC3 17 THR A  55  TYR A  56  ASP A 130  SER A 158                     
SITE     3 AC3 17 ASN A 169  GLN A 172  VAL A 173  LYS A 174                     
SITE     4 AC3 17 VAL A 222  VAL A 248  TYR A 429  HOH A 603                     
SITE     5 AC3 17 HOH A 658                                                      
SITE     1 AC4  9 ARG B 257  HIS B 258  ASN B 264  ARG B 307                     
SITE     2 AC4  9 GLU B 327  HIS B 392  GLN B 393  HOH B 613                     
SITE     3 AC4  9 HOH B 636                                                      
SITE     1 AC5  8 TYR B 338  ARG B 352  LYS B 356  TYR B 367                     
SITE     2 AC5  8 GLN B 393  ARG B 397  HOH B 608  HOH B 734                     
SITE     1 AC6 19 ALA B  51  ARG B  52  GLY B  53  LYS B  54                     
SITE     2 AC6 19 THR B  55  TYR B  56  ASP B 130  SER B 158                     
SITE     3 AC6 19 ASN B 169  GLN B 172  VAL B 173  LYS B 174                     
SITE     4 AC6 19 VAL B 222  TYR B 429  HOH B 614  HOH B 628                     
SITE     5 AC6 19 HOH B 646  HOH B 647  HOH B 684                                
CRYST1   74.980  185.330   89.670  90.00  90.70  90.00 C 1 2 1       8           
ORIGX1      1.000000  0.000000  0.000000        0.00000                          
ORIGX2      0.000000  1.000000  0.000000        0.00000                          
ORIGX3      0.000000  0.000000  1.000000        0.00000                          
SCALE1      0.013337  0.000000  0.000163        0.00000                          
SCALE2      0.000000  0.005396  0.000000        0.00000                          
SCALE3      0.000000  0.000000  0.011153        0.00000                          
END