HEADER    TRANSCRIPTION REGULATOR                 10-DEC-04   1Y7Y               
TITLE     HIGH-RESOLUTION CRYSTAL STRUCTURE OF THE RESTRICTION-MODIFICATION      
TITLE    2 CONTROLLER PROTEIN C.AHDI FROM AEROMONAS HYDROPHILA                   
COMPND    MOL_ID: 1;                                                             
COMPND   2 MOLECULE: C.AHDI;                                                     
COMPND   3 CHAIN: A, B;                                                          
COMPND   4 ENGINEERED: YES                                                       
SOURCE    MOL_ID: 1;                                                             
SOURCE   2 ORGANISM_SCIENTIFIC: AEROMONAS HYDROPHILA;                            
SOURCE   3 ORGANISM_TAXID: 644;                                                  
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                  
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                         
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3) GOLD;                             
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                               
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PET11A                                     
KEYWDS    HELIX-TURN-HELIX, DNA-BINDING PROTEIN, TRANSCRIPTIONAL REGULATOR,      
KEYWDS   2 TRANSCRIPTION REGULATOR                                               
EXPDTA    X-RAY DIFFRACTION                                                      
AUTHOR    J.E.MCGEEHAN,S.D.STREETER,I.PAPAPANAGIOTOU,G.C.FOX,G.G.KNEALE          
REVDAT   4   03-APR-24 1Y7Y    1       REMARK                                    
REVDAT   3   14-FEB-24 1Y7Y    1       REMARK                                    
REVDAT   2   24-FEB-09 1Y7Y    1       VERSN                                     
REVDAT   1   22-FEB-05 1Y7Y    0                                                 
JRNL        AUTH   J.E.MCGEEHAN,S.D.STREETER,I.PAPAPANAGIOTOU,G.C.FOX,           
JRNL        AUTH 2 G.G.KNEALE                                                    
JRNL        TITL   HIGH-RESOLUTION CRYSTAL STRUCTURE OF THE                      
JRNL        TITL 2 RESTRICTION-MODIFICATION CONTROLLER PROTEIN C.AHDI FROM       
JRNL        TITL 3 AEROMONAS HYDROPHILA.                                         
JRNL        REF    J.MOL.BIOL.                   V. 346   689 2005               
JRNL        REFN                   ISSN 0022-2836                                
JRNL        PMID   15713456                                                      
JRNL        DOI    10.1016/J.JMB.2004.12.025                                     
REMARK   1                                                                       
REMARK   1 REFERENCE 1                                                           
REMARK   1  AUTH   J.E.MCGEEHAN,S.STREETER,J.B.COOPER,F.MOHAMMED,G.C.FOX,        
REMARK   1  AUTH 2 G.G.KNEALE                                                    
REMARK   1  TITL   CRYSTALLIZATION AND PRELIMINARY X-RAY ANALYSIS OF THE         
REMARK   1  TITL 2 CONTROLLER PROTEIN C.AHDI FROM AEROMONAS HYDROPHILIA          
REMARK   1  REF    ACTA CRYSTALLOGR.,SECT.D      V.  60   323 2004               
REMARK   1  REFN                   ISSN 0907-4449                                
REMARK   1  PMID   14747712                                                      
REMARK   1  DOI    10.1107/S0907444903026143                                     
REMARK   2                                                                       
REMARK   2 RESOLUTION.    1.69 ANGSTROMS.                                        
REMARK   3                                                                       
REMARK   3 REFINEMENT.                                                           
REMARK   3   PROGRAM     : REFMAC 5.1.24                                         
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,               
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                              
REMARK   3                                                                       
REMARK   3    REFINEMENT TARGET : ENGH & HUBER                                   
REMARK   3                                                                       
REMARK   3  DATA USED IN REFINEMENT.                                             
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.69                            
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 18.40                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                            
REMARK   3   COMPLETENESS FOR RANGE        (%) : NULL                            
REMARK   3   NUMBER OF REFLECTIONS             : 14058                           
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 + TEST SET) : NULL                             
REMARK   3   R VALUE            (WORKING SET) : 0.169                            
REMARK   3   FREE R VALUE                     : 0.223                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.800                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 674                              
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   REFLECTION IN BIN     (WORKING SET) : NULL                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                          
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                          
REMARK   3   BIN FREE R VALUE SET COUNT          : NULL                          
REMARK   3   BIN FREE R VALUE                    : NULL                          
REMARK   3                                                                       
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                     
REMARK   3   PROTEIN ATOMS            : 1070                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                        
REMARK   3   HETEROGEN ATOMS          : 0                                        
REMARK   3   SOLVENT ATOMS            : 147                                      
REMARK   3                                                                       
REMARK   3  B VALUES.                                                            
REMARK   3   FROM WILSON PLOT           (A**2) : 18.80                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                            
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 OVERALL COORDINATE ERROR.                                  
REMARK   3   ESU BASED ON R VALUE                            (A): NULL           
REMARK   3   ESU BASED ON FREE R VALUE                       (A): NULL           
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): NULL           
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL           
REMARK   3                                                                       
REMARK   3 CORRELATION COEFFICIENTS.                                             
REMARK   3   CORRELATION COEFFICIENT FO-FC      : NULL                           
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : NULL                           
REMARK   3                                                                       
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT       
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  NULL ; 0.018 ;  NULL        
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL        
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  NULL ; 1.524 ;  NULL        
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL        
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):  NULL ;  NULL ;  NULL        
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL        
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  NULL ;  NULL ;  NULL        
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL        
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):  NULL ;  NULL ;  NULL        
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  NULL ;  NULL ;  NULL        
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL        
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL        
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL        
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL        
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL        
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL        
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL        
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL        
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL        
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL        
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL        
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL        
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL        
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL        
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL        
REMARK   3                                                                       
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT       
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL        
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL        
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL        
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL        
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL        
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL        
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL        
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL        
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL        
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL        
REMARK   3                                                                       
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT        
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL        
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL        
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL        
REMARK   3                                                                       
REMARK   3  NCS RESTRAINTS STATISTICS                                            
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                               
REMARK   3                                                                       
REMARK   3  TLS DETAILS                                                          
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                        
REMARK   3                                                                       
REMARK   3  BULK SOLVENT MODELLING.                                              
REMARK   3   METHOD USED : NULL                                                  
REMARK   3   PARAMETERS FOR MASK CALCULATION                                     
REMARK   3   VDW PROBE RADIUS   : NULL                                           
REMARK   3   ION PROBE RADIUS   : NULL                                           
REMARK   3   SHRINKAGE RADIUS   : NULL                                           
REMARK   3                                                                       
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                       
REMARK   4                                                                       
REMARK   4 1Y7Y COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                          
REMARK 100                                                                       
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-DEC-04.                   
REMARK 100 THE DEPOSITION ID IS D_1000031229.                                    
REMARK 200                                                                       
REMARK 200 EXPERIMENTAL DETAILS                                                  
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                   
REMARK 200  DATE OF DATA COLLECTION        : 21-JUN-03                           
REMARK 200  TEMPERATURE           (KELVIN) : 100                                 
REMARK 200  PH                             : 7.0                                 
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                   
REMARK 200                                                                       
REMARK 200  SYNCHROTRON              (Y/N) : Y                                   
REMARK 200  RADIATION SOURCE               : ESRF                                
REMARK 200  BEAMLINE                       : BM14                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                                
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                   
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.904989                            
REMARK 200  MONOCHROMATOR                  : SI 111 CHANNEL                      
REMARK 200  OPTICS                         : MIRRORS                             
REMARK 200                                                                       
REMARK 200  DETECTOR TYPE                  : CCD                                 
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                         
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                              
REMARK 200  DATA SCALING SOFTWARE          : SCALA, CCP4 (SCALA)                 
REMARK 200                                                                       
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 14302                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.660                               
REMARK 200  RESOLUTION RANGE LOW       (A) : 45.570                              
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                                
REMARK 200                                                                       
REMARK 200 OVERALL.                                                              
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.7                                
REMARK 200  DATA REDUNDANCY                : 9.200                               
REMARK 200  R MERGE                    (I) : 0.04800                             
REMARK 200  R SYM                      (I) : 0.04100                             
REMARK 200   FOR THE DATA SET  : 8.0000                              
REMARK 200                                                                       
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                      
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.66                      
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.75                      
REMARK 200  COMPLETENESS FOR SHELL     (%) : 95.7                                
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.00                                
REMARK 200  R MERGE FOR SHELL          (I) : 0.21500                             
REMARK 200  R SYM FOR SHELL            (I) : 0.18100                             
REMARK 200   FOR SHELL         : 4.100                               
REMARK 200                                                                       
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                               
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT         
REMARK 200 SOFTWARE USED: MOLREP                                                 
REMARK 200 STARTING MODEL: MUTANT I58M OF C.AHDI, SEMET MAD TO 2.5A              
REMARK 200                                                                       
REMARK 200 REMARK: NULL                                                          
REMARK 280                                                                       
REMARK 280 CRYSTAL                                                               
REMARK 280 SOLVENT CONTENT, VS   (%): 34.90                                      
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.89                      
REMARK 280                                                                       
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 6000, IMIDAZOLE-MALATE, 2-METHYL      
REMARK 280  -2,4-PENTANEDIOL, PH 7.0, VAPOR DIFFUSION, HANGING DROP,             
REMARK 280  TEMPERATURE 295K                                                     
REMARK 290                                                                       
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                             
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                          
REMARK 290                                                                       
REMARK 290      SYMOP   SYMMETRY                                                 
REMARK 290     NNNMMM   OPERATOR                                                 
REMARK 290       1555   X,Y,Z                                                    
REMARK 290       2555   -X,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       28.62300             
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000             
REMARK 290                                                                       
REMARK 290 REMARK: NULL                                                          
REMARK 300                                                                       
REMARK 300 BIOMOLECULE: 1                                                        
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 300 REMARK: THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT      
REMARK 300 WHICH CONSISTS OF 2 CHAINS WHICH MAKE UP THE BIOLOGICAL DIMER         
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                     
REMARK 350 SOFTWARE USED: PISA                                                   
REMARK 350 TOTAL BURIED SURFACE AREA: 1410 ANGSTROM**2                           
REMARK 350 SURFACE AREA OF THE COMPLEX: 7330 ANGSTROM**2                         
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -15.0 KCAL/MOL                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 465                                                                       
REMARK 465 MISSING RESIDUES                                                      
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                        
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN                
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                 
REMARK 465                                                                       
REMARK 465   M RES C SSSEQI                                                      
REMARK 465     MET A     1                                                       
REMARK 465     GLN A     2                                                       
REMARK 465     SER A     3                                                       
REMARK 465     HIS A     4                                                       
REMARK 465     CYS A    74                                                       
REMARK 465     MET B     1                                                       
REMARK 465     GLN B     2                                                       
REMARK 465     SER B     3                                                       
REMARK 465     HIS B     4                                                       
REMARK 465     HIS B     5                                                       
REMARK 465     ASP B     6                                                       
REMARK 465     HIS B     7                                                       
REMARK 465     CYS B    74                                                       
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 B   134     O    HOH B   149              2.12             
REMARK 500   OD1  ASP B    39     O    HOH B   150              2.16             
REMARK 500   NH2  ARG B    40     O    HOH B   137              2.17             
REMARK 500   O    HOH B   139     O    HOH B   143              2.19             
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   ND1  HIS A     5     OE2  GLU B    20     2645     1.80             
REMARK 500   ND1  HIS A     5     CD   GLU B    20     2645     2.11             
REMARK 500                                                                       
REMARK 500 REMARK: NULL                                                          
REMARK 500                                                                       
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                          
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                       
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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)                
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   RES CSSEQI ATM2   DEVIATION                      
REMARK 500    ARG A  17   CZ    ARG A  17   NH2    -0.089                        
REMARK 500    TYR A  42   CE2   TYR A  42   CD2     0.114                        
REMARK 500    VAL A  56   CB    VAL A  56   CG1     0.143                        
REMARK 500    VAL A  56   CB    VAL A  56   CG2     0.138                        
REMARK 500    GLU A  71   CG    GLU A  71   CD      0.097                        
REMARK 500    GLU A  71   CD    GLU A  71   OE2     0.098                        
REMARK 500    GLU B  20   CD    GLU B  20   OE1     0.073                        
REMARK 500    LYS B  25   CB    LYS B  25   CG     -0.251                        
REMARK 500    LYS B  25   CE    LYS B  25   NZ      0.178                        
REMARK 500    VAL B  43   CB    VAL B  43   CG1     0.139                        
REMARK 500    ARG B  51   CD    ARG B  51   NE      0.104                        
REMARK 500    SER B  54   CA    SER B  54   CB      0.093                        
REMARK 500    GLU B  68   CD    GLU B  68   OE2     0.094                        
REMARK 500    GLU B  71   CD    GLU B  71   OE1    -0.085                        
REMARK 500    GLU B  71   CD    GLU B  71   OE2    -0.077                        
REMARK 500    PHE B  73   CE1   PHE B  73   CZ      0.135                        
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    TYR A   8   CG  -  CD1 -  CE1 ANGL. DEV. =  -5.1 DEGREES           
REMARK 500    PHE A  14   CG  -  CD1 -  CE1 ANGL. DEV. =  -6.9 DEGREES           
REMARK 500    ARG A  17   NE  -  CZ  -  NH1 ANGL. DEV. =  -5.5 DEGREES           
REMARK 500    ARG A  19   NE  -  CZ  -  NH1 ANGL. DEV. =   3.6 DEGREES           
REMARK 500    THR A  23   OG1 -  CB  -  CG2 ANGL. DEV. = -14.8 DEGREES           
REMARK 500    PHE A  34   CB  -  CG  -  CD1 ANGL. DEV. =  -4.5 DEGREES           
REMARK 500    ASP A  39   CB  -  CG  -  OD1 ANGL. DEV. =  -5.7 DEGREES           
REMARK 500    TYR A  42   CZ  -  CE2 -  CD2 ANGL. DEV. =  -5.6 DEGREES           
REMARK 500    ARG A  51   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.9 DEGREES           
REMARK 500    PHE A  73   CB  -  CG  -  CD2 ANGL. DEV. =   5.7 DEGREES           
REMARK 500    PHE A  73   CB  -  CG  -  CD1 ANGL. DEV. =  -4.7 DEGREES           
REMARK 500    ARG B  17   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.6 DEGREES           
REMARK 500    ARG B  19   NE  -  CZ  -  NH1 ANGL. DEV. =   4.4 DEGREES           
REMARK 500    LEU B  21   CB  -  CG  -  CD1 ANGL. DEV. = -11.2 DEGREES           
REMARK 500    ARG B  22   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.0 DEGREES           
REMARK 500    LEU B  27   CB  -  CG  -  CD2 ANGL. DEV. = -10.2 DEGREES           
REMARK 500    ARG B  40   NE  -  CZ  -  NH1 ANGL. DEV. =  -4.9 DEGREES           
REMARK 500    ARG B  40   NE  -  CZ  -  NH2 ANGL. DEV. =   3.2 DEGREES           
REMARK 500    TYR B  42   CD1 -  CE1 -  CZ  ANGL. DEV. =  -5.4 DEGREES           
REMARK 500    VAL B  43   CG1 -  CB  -  CG2 ANGL. DEV. =  10.2 DEGREES           
REMARK 500    ARG B  51   NE  -  CZ  -  NH1 ANGL. DEV. =   4.6 DEGREES           
REMARK 500    ARG B  51   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.8 DEGREES           
REMARK 500    ARG B  70   NE  -  CZ  -  NH2 ANGL. DEV. =  -6.0 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    LEU A  38     -164.83   -109.55                                    
REMARK 500                                                                       
REMARK 500 REMARK: NULL                                                          
DBREF  1Y7Y A    1    74  UNP    Q7X0F0   Q7X0F0_AERHY     1     74              
DBREF  1Y7Y B    1    74  UNP    Q7X0F0   Q7X0F0_AERHY     1     74              
SEQRES   1 A   74  MET GLN SER HIS HIS ASP HIS TYR ALA ASP LEU VAL LYS           
SEQRES   2 A   74  PHE GLY GLN ARG LEU ARG GLU LEU ARG THR ALA LYS GLY           
SEQRES   3 A   74  LEU SER GLN GLU THR LEU ALA PHE LEU SER GLY LEU ASP           
SEQRES   4 A   74  ARG SER TYR VAL GLY GLY VAL GLU ARG GLY GLN ARG ASN           
SEQRES   5 A   74  VAL SER LEU VAL ASN ILE LEU LYS LEU ALA THR ALA LEU           
SEQRES   6 A   74  ASP ILE GLU PRO ARG GLU LEU PHE CYS                           
SEQRES   1 B   74  MET GLN SER HIS HIS ASP HIS TYR ALA ASP LEU VAL LYS           
SEQRES   2 B   74  PHE GLY GLN ARG LEU ARG GLU LEU ARG THR ALA LYS GLY           
SEQRES   3 B   74  LEU SER GLN GLU THR LEU ALA PHE LEU SER GLY LEU ASP           
SEQRES   4 B   74  ARG SER TYR VAL GLY GLY VAL GLU ARG GLY GLN ARG ASN           
SEQRES   5 B   74  VAL SER LEU VAL ASN ILE LEU LYS LEU ALA THR ALA LEU           
SEQRES   6 B   74  ASP ILE GLU PRO ARG GLU LEU PHE CYS                           
FORMUL   3  HOH   *147(H2 O)                                                     
HELIX    1   1 ASP A    6  LYS A   25  1                                  20     
HELIX    2   2 SER A   28  GLY A   37  1                                  10     
HELIX    3   3 ASP A   39  ARG A   48  1                                  10     
HELIX    4   4 SER A   54  LEU A   65  1                                  12     
HELIX    5   5 GLU A   68  PHE A   73  5                                   6     
HELIX    6   6 TYR B    8  LYS B   25  1                                  18     
HELIX    7   7 SER B   28  GLY B   37  1                                  10     
HELIX    8   8 ASP B   39  ARG B   48  1                                  10     
HELIX    9   9 SER B   54  LEU B   65  1                                  12     
HELIX   10  10 GLU B   68  PHE B   73  5                                   6     
CRYST1   24.403   57.246   46.125  90.00  98.89  90.00 P 1 21 1      4           
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      0.040979  0.000000  0.006413        0.00000                          
SCALE2      0.000000  0.017468  0.000000        0.00000                          
SCALE3      0.000000  0.000000  0.021944        0.00000                          
END