HEADER    TRANSFERASE (AMINOTRANSFERASE)          21-FEB-95   1AHX               
TITLE     ASPARTATE AMINOTRANSFERASE HEXAMUTANT                                  
COMPND    MOL_ID: 1;                                                             
COMPND   2 MOLECULE: ASPARTATE AMINOTRANSFERASE;                                 
COMPND   3 CHAIN: A, B;                                                          
COMPND   4 SYNONYM: ASPARTATE TRANSAMINASE;                                      
COMPND   5 EC: 2.6.1.1;                                                          
COMPND   6 ENGINEERED: YES;                                                      
COMPND   7 MUTATION: YES                                                         
SOURCE    MOL_ID: 1;                                                             
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                                
SOURCE   3 ORGANISM_TAXID: 562;                                                  
SOURCE   4 CELL_LINE: 293;                                                       
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                  
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                         
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: 293                                         
KEYWDS    TRANSFERASE (AMINOTRANSFERASE)                                         
EXPDTA    X-RAY DIFFRACTION                                                      
AUTHOR    V.N.MALASHKEVICH,J.N.JANSONIUS                                         
REVDAT   4   16-FEB-22 1AHX    1       REMARK SEQADV LINK                        
REVDAT   3   13-JUL-11 1AHX    1       VERSN                                     
REVDAT   2   24-FEB-09 1AHX    1       VERSN                                     
REVDAT   1   15-SEP-95 1AHX    0                                                 
JRNL        AUTH   V.N.MALASHKEVICH,J.J.ONUFFER,J.F.KIRSCH,J.N.JANSONIUS         
JRNL        TITL   ALTERNATING ARGININE-MODULATED SUBSTRATE SPECIFICITY IN AN    
JRNL        TITL 2 ENGINEERED TYROSINE AMINOTRANSFERASE.                         
JRNL        REF    NAT.STRUCT.BIOL.              V.   2   548 1995               
JRNL        REFN                   ISSN 1072-8368                                
JRNL        PMID   7664122                                                       
JRNL        DOI    10.1038/NSB0795-548                                           
REMARK   1                                                                       
REMARK   1 REFERENCE 1                                                           
REMARK   1  AUTH   J.F.KIRSCH,J.J.ONUFFER                                        
REMARK   1  TITL   REDESIGN OF ASPARTATE AMINOTRANSFERASE SPECIFICITY TO THAT    
REMARK   1  TITL 2 OF TYROSINE AMINOTRANSFERASE                                  
REMARK   1  EDIT   G.MARINO, G.SANNIA, F.BOSSA                                   
REMARK   1  REF    BIOCHEMISTRY OF VITAMIN B6              37 1994               
REMARK   1  REF  2 AND PQQ                                                       
REMARK   1  PUBL   BIRKHAUSER VERLAG, BASEL AND BOSTON                           
REMARK   1  REFN                                                                 
REMARK   2                                                                       
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                        
REMARK   3                                                                       
REMARK   3 REFINEMENT.                                                           
REMARK   3   PROGRAM     : TNT                                                   
REMARK   3   AUTHORS     : TRONRUD,TEN EYCK,MATTHEWS                             
REMARK   3                                                                       
REMARK   3  DATA USED IN REFINEMENT.                                             
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                            
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                            
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 1.000                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 93.5                            
REMARK   3   NUMBER OF REFLECTIONS             : 62465                           
REMARK   3                                                                       
REMARK   3  USING DATA ABOVE SIGMA CUTOFF.                                       
REMARK   3   CROSS-VALIDATION METHOD          : NULL                             
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                             
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.226                            
REMARK   3   R VALUE            (WORKING SET) : NULL                             
REMARK   3   FREE R VALUE                     : NULL                             
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                             
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                             
REMARK   3                                                                       
REMARK   3  USING ALL DATA, NO SIGMA CUTOFF.                                     
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                    
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : NULL                    
REMARK   3   FREE R VALUE                  (NO CUTOFF) : NULL                    
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL                    
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : NULL                    
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : NULL                    
REMARK   3                                                                       
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                     
REMARK   3   PROTEIN ATOMS            : 6142                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                        
REMARK   3   HETEROGEN ATOMS          : 52                                       
REMARK   3   SOLVENT ATOMS            : 529                                      
REMARK   3                                                                       
REMARK   3  WILSON B VALUE (FROM FCALC, A**2) : 29.500                           
REMARK   3                                                                       
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.    RMS    WEIGHT  COUNT            
REMARK   3   BOND LENGTHS                 (A) : 0.013 ; 0.020 ; 6320             
REMARK   3   BOND ANGLES            (DEGREES) : 2.900 ; 3.000 ; 8534             
REMARK   3   TORSION ANGLES         (DEGREES) : 24.900; 15.000; 3752             
REMARK   3   PSEUDOROTATION ANGLES  (DEGREES) : NULL  ; NULL  ; NULL             
REMARK   3   TRIGONAL CARBON PLANES       (A) : 0.006 ; 0.020 ; 172              
REMARK   3   GENERAL PLANES               (A) : 0.011 ; 0.020 ; 924              
REMARK   3   ISOTROPIC THERMAL FACTORS (A**2) : 3.440 ; 0.200 ; 6735             
REMARK   3   NON-BONDED CONTACTS          (A) : 0.018 ; 0.100 ; 196              
REMARK   3                                                                       
REMARK   3  INCORRECT CHIRAL-CENTERS (COUNT) : 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  RESTRAINT LIBRARIES.                                                 
REMARK   3   STEREOCHEMISTRY : NULL                                              
REMARK   3   ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL                          
REMARK   3                                                                       
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                       
REMARK   4                                                                       
REMARK   4 1AHX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                          
REMARK 100                                                                       
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                 
REMARK 100 THE DEPOSITION ID IS D_1000170837.                                    
REMARK 200                                                                       
REMARK 200 EXPERIMENTAL DETAILS                                                  
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                   
REMARK 200  DATE OF DATA COLLECTION        : 10-OCT-93                           
REMARK 200  TEMPERATURE           (KELVIN) : NULL                                
REMARK 200  PH                             : NULL                                
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                                
REMARK 200                                                                       
REMARK 200  SYNCHROTRON              (Y/N) : N                                   
REMARK 200  RADIATION SOURCE               : NULL                                
REMARK 200  BEAMLINE                       : NULL                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                                
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                   
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.92                                
REMARK 200  MONOCHROMATOR                  : NULL                                
REMARK 200  OPTICS                         : NULL                                
REMARK 200                                                                       
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                         
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                         
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                 
REMARK 200  DATA SCALING SOFTWARE          : NULL                                
REMARK 200                                                                       
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : NULL                                
REMARK 200  RESOLUTION RANGE HIGH      (A) : NULL                                
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                                
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                                
REMARK 200                                                                       
REMARK 200 OVERALL.                                                              
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                                
REMARK 200  DATA REDUNDANCY                : 3.400                               
REMARK 200  R MERGE                    (I) : 0.09200                             
REMARK 200  R SYM                      (I) : NULL                                
REMARK 200   FOR THE DATA SET  : NULL                                
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: NULL                                            
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                          
REMARK 200 SOFTWARE USED: NULL                                                   
REMARK 200 STARTING MODEL: NULL                                                  
REMARK 200                                                                       
REMARK 200 REMARK: NULL                                                          
REMARK 280                                                                       
REMARK 280 CRYSTAL                                                               
REMARK 280 SOLVENT CONTENT, VS   (%): 59.14                                      
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.01                      
REMARK 280                                                                       
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                      
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       39.34500             
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: MTRIX                                                         
REMARK 300  THE TRANSFORMATIONS PRESENTED ON MTRIX RECORDS BELOW                 
REMARK 300  DESCRIBE NON-CRYSTALLOGRAPHIC RELATIONSHIPS AMONG THE                
REMARK 300  VARIOUS DOMAINS IN THIS ENTRY.  APPLYING THE APPROPRIATE             
REMARK 300  MTRIX TRANSFORMATION TO THE RESIDUES LISTED FIRST WILL               
REMARK 300  YIELD APPROXIMATE COORDINATES FOR THE RESIDUES LISTED                
REMARK 300  SECOND.                                                              
REMARK 300                                                                       
REMARK 300            APPLIED TO           TRANSFORMED TO                        
REMARK 300  MTRIX      RESIDUES               RESIDUES         RMSD              
REMARK 300    M1   A    5  ..  A  409     B    5  ..  B  409   0.185             
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: 8810 ANGSTROM**2                           
REMARK 350 SURFACE AREA OF THE COMPLEX: 28840 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -14.0 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 400                                                                       
REMARK 400 COMPOUND                                                              
REMARK 400 COMPND                                                                
REMARK 400   SUBSTRATE SPECIFICITY CHANGED TO THAT OF TYROSINE                   
REMARK 400   AMINOTRANSFERASE.                                                   
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    GLU A  43   CD    GLU A  43   OE2     0.075                        
REMARK 500    GLU A  85   CD    GLU A  85   OE1     0.066                        
REMARK 500    GLU A 164   CD    GLU A 164   OE2     0.066                        
REMARK 500    GLU A 214   CD    GLU A 214   OE1     0.067                        
REMARK 500    GLU A 234   CD    GLU A 234   OE1     0.075                        
REMARK 500    GLU A 235   CD    GLU A 235   OE2     0.074                        
REMARK 500    GLU A 238   CD    GLU A 238   OE2     0.075                        
REMARK 500    GLU A 265   CD    GLU A 265   OE1     0.100                        
REMARK 500    GLU A 278   CD    GLU A 278   OE1     0.068                        
REMARK 500    GLU A 320   CD    GLU A 320   OE1     0.090                        
REMARK 500    GLU A 322   CD    GLU A 322   OE1     0.076                        
REMARK 500    GLU A 368   CD    GLU A 368   OE1     0.066                        
REMARK 500    GLU A 375   CD    GLU A 375   OE2     0.071                        
REMARK 500    GLU A 376   CD    GLU A 376   OE1     0.079                        
REMARK 500    GLU A 402   CD    GLU A 402   OE2     0.073                        
REMARK 500    GLU B  28   CD    GLU B  28   OE1     0.077                        
REMARK 500    GLU B  43   CD    GLU B  43   OE2     0.068                        
REMARK 500    GLU B 164   CD    GLU B 164   OE2     0.078                        
REMARK 500    GLU B 179   CD    GLU B 179   OE2     0.074                        
REMARK 500    GLU B 203   CD    GLU B 203   OE2     0.068                        
REMARK 500    GLU B 214   CD    GLU B 214   OE2     0.074                        
REMARK 500    GLU B 235   CD    GLU B 235   OE2     0.079                        
REMARK 500    GLU B 249   CD    GLU B 249   OE2     0.074                        
REMARK 500    GLU B 265   CD    GLU B 265   OE1     0.079                        
REMARK 500    GLU B 320   CD    GLU B 320   OE1     0.098                        
REMARK 500    GLU B 343   CD    GLU B 343   OE2     0.069                        
REMARK 500    GLU B 375   CD    GLU B 375   OE2     0.077                        
REMARK 500    GLU B 376   CD    GLU B 376   OE2     0.076                        
REMARK 500    VAL B 387   CB    VAL B 387   CG1    -0.126                        
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    ASP A  15   CB  -  CG  -  OD1 ANGL. DEV. =   5.5 DEGREES           
REMARK 500    ASP A  15   CB  -  CG  -  OD2 ANGL. DEV. =  -6.3 DEGREES           
REMARK 500    ASP A  22   CB  -  CG  -  OD1 ANGL. DEV. =  -6.2 DEGREES           
REMARK 500    ASP A  27   CB  -  CG  -  OD1 ANGL. DEV. =   6.4 DEGREES           
REMARK 500    ASP A  27   CB  -  CG  -  OD2 ANGL. DEV. =  -5.8 DEGREES           
REMARK 500    ARG A  81   NE  -  CZ  -  NH2 ANGL. DEV. =   3.5 DEGREES           
REMARK 500    ASP A  97   CB  -  CG  -  OD1 ANGL. DEV. =  -5.8 DEGREES           
REMARK 500    ASP A 117   CB  -  CG  -  OD2 ANGL. DEV. =   6.1 DEGREES           
REMARK 500    ASN A 165   N   -  CA  -  CB  ANGL. DEV. =  11.9 DEGREES           
REMARK 500    ASP A 169   CB  -  CG  -  OD2 ANGL. DEV. =  -6.8 DEGREES           
REMARK 500    ASP A 171   CB  -  CG  -  OD2 ANGL. DEV. =  -5.8 DEGREES           
REMARK 500    ASP A 184   CB  -  CG  -  OD1 ANGL. DEV. =  -6.0 DEGREES           
REMARK 500    ARG A 266   NE  -  CZ  -  NH1 ANGL. DEV. =   3.6 DEGREES           
REMARK 500    ASP A 395   CB  -  CG  -  OD2 ANGL. DEV. =  -6.9 DEGREES           
REMARK 500    PRO B  16   C   -  N   -  CD  ANGL. DEV. = -16.5 DEGREES           
REMARK 500    ASP B  27   N   -  CA  -  CB  ANGL. DEV. =  13.2 DEGREES           
REMARK 500    ASP B  27   CB  -  CG  -  OD1 ANGL. DEV. =  -6.2 DEGREES           
REMARK 500    LYS B  46   CB  -  CA  -  C   ANGL. DEV. =  12.5 DEGREES           
REMARK 500    LEU B  69   CB  -  CA  -  C   ANGL. DEV. = -11.4 DEGREES           
REMARK 500    ASP B  97   CB  -  CG  -  OD1 ANGL. DEV. =  -5.8 DEGREES           
REMARK 500    ASP B  97   CB  -  CG  -  OD2 ANGL. DEV. =   5.6 DEGREES           
REMARK 500    ARG B 129   NE  -  CZ  -  NH2 ANGL. DEV. =   3.0 DEGREES           
REMARK 500    ASP B 162   CB  -  CG  -  OD1 ANGL. DEV. =   6.1 DEGREES           
REMARK 500    ASP B 162   CB  -  CG  -  OD2 ANGL. DEV. =  -7.6 DEGREES           
REMARK 500    ASP B 169   CB  -  CG  -  OD2 ANGL. DEV. =  -5.8 DEGREES           
REMARK 500    ASP B 171   CB  -  CG  -  OD2 ANGL. DEV. =  -6.5 DEGREES           
REMARK 500    ARG B 241   NE  -  CZ  -  NH2 ANGL. DEV. =   3.3 DEGREES           
REMARK 500    ASP B 276   CB  -  CG  -  OD1 ANGL. DEV. =   5.8 DEGREES           
REMARK 500    ASP B 276   CB  -  CG  -  OD2 ANGL. DEV. =  -7.8 DEGREES           
REMARK 500    ASP B 395   CB  -  CG  -  OD1 ANGL. DEV. =   6.3 DEGREES           
REMARK 500    ASP B 395   CB  -  CG  -  OD2 ANGL. DEV. =  -5.8 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  69      140.15    -32.16                                    
REMARK 500    LYS A  90      -61.03    -21.65                                    
REMARK 500    TYR A 160      -55.45   -149.15                                    
REMARK 500    SER A 212      -38.78    -38.81                                    
REMARK 500    ALA A 229      -76.45    -89.89                                    
REMARK 500    ARG A 266       80.30     55.21                                    
REMARK 500    ASN A 294      -95.68   -109.71                                    
REMARK 500    SER A 296      -62.68     79.81                                    
REMARK 500    HIS A 301      -74.58    -35.81                                    
REMARK 500    GLU A 343       -4.61    -56.71                                    
REMARK 500    ILE B  17      -64.84    -97.58                                    
REMARK 500    ILE B  47       76.95   -109.64                                    
REMARK 500    LEU B  69      137.10    -26.50                                    
REMARK 500    TYR B 160      -56.53   -148.71                                    
REMARK 500    ALA B 229      -67.68    -92.33                                    
REMARK 500    LEU B 233      -80.46    -56.10                                    
REMARK 500    ARG B 266       77.92     58.13                                    
REMARK 500    ASN B 294      -89.77   -110.96                                    
REMARK 500    SER B 296      -64.38     82.99                                    
REMARK 500    HIS B 301      -75.17    -36.00                                    
REMARK 500                                                                       
REMARK 500 REMARK: NULL                                                          
REMARK 500                                                                       
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                          
REMARK 500 SUBTOPIC: PLANAR GROUPS                                               
REMARK 500                                                                       
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                  
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                     
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                     
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                         
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                       
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;                
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                              
REMARK 500                                                                       
REMARK 500  M RES CSSEQI        RMS     TYPE                                     
REMARK 500    ARG A 334         0.08    SIDE CHAIN                               
REMARK 500                                                                       
REMARK 500 REMARK: NULL                                                          
REMARK 800                                                                       
REMARK 800 SITE                                                                  
REMARK 800 SITE_IDENTIFIER: ACT                                                  
REMARK 800 EVIDENCE_CODE: UNKNOWN                                                
REMARK 800 SITE_DESCRIPTION: NULL                                                
REMARK 800                                                                       
REMARK 800 SITE_IDENTIFIER: BCT                                                  
REMARK 800 EVIDENCE_CODE: UNKNOWN                                                
REMARK 800 SITE_DESCRIPTION: NULL                                                
REMARK 800                                                                       
REMARK 800 SITE_IDENTIFIER: AC1                                                  
REMARK 800 EVIDENCE_CODE: SOFTWARE                                               
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP A 410                  
REMARK 800                                                                       
REMARK 800 SITE_IDENTIFIER: AC2                                                  
REMARK 800 EVIDENCE_CODE: SOFTWARE                                               
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HCI A 411                  
REMARK 800                                                                       
REMARK 800 SITE_IDENTIFIER: AC3                                                  
REMARK 800 EVIDENCE_CODE: SOFTWARE                                               
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP B 410                  
REMARK 800                                                                       
REMARK 800 SITE_IDENTIFIER: AC4                                                  
REMARK 800 EVIDENCE_CODE: SOFTWARE                                               
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HCI B 411                  
DBREF  1AHX A    5   409  UNP    P00509   AAT_ECOLI        1    396              
DBREF  1AHX B    5   409  UNP    P00509   AAT_ECOLI        1    396              
SEQADV 1AHX LEU A   39  UNP  P00509    VAL    35 CONFLICT                        
SEQADV 1AHX TYR A   41  UNP  P00509    LYS    37 CONFLICT                        
SEQADV 1AHX ILE A   47  UNP  P00509    THR    43 CONFLICT                        
SEQADV 1AHX LEU A   69  UNP  P00509    ASN    64 CONFLICT                        
SEQADV 1AHX SER A  109  UNP  P00509    THR   104 CONFLICT                        
SEQADV 1AHX SER A  297  UNP  P00509    ASN   285 CONFLICT                        
SEQADV 1AHX LEU B   39  UNP  P00509    VAL    35 CONFLICT                        
SEQADV 1AHX TYR B   41  UNP  P00509    LYS    37 CONFLICT                        
SEQADV 1AHX ILE B   47  UNP  P00509    THR    43 CONFLICT                        
SEQADV 1AHX LEU B   69  UNP  P00509    ASN    64 CONFLICT                        
SEQADV 1AHX SER B  109  UNP  P00509    THR   104 CONFLICT                        
SEQADV 1AHX SER B  297  UNP  P00509    ASN   285 CONFLICT                        
SEQRES   1 A  396  MET PHE GLU ASN ILE THR ALA ALA PRO ALA ASP PRO ILE           
SEQRES   2 A  396  LEU GLY LEU ALA ASP LEU PHE ARG ALA ASP GLU ARG PRO           
SEQRES   3 A  396  GLY LYS ILE ASN LEU GLY ILE GLY LEU TYR TYR ASP GLU           
SEQRES   4 A  396  THR GLY LYS ILE PRO VAL LEU THR SER VAL LYS LYS ALA           
SEQRES   5 A  396  GLU GLN TYR LEU LEU GLU ASN GLU THR THR LYS LEU TYR           
SEQRES   6 A  396  LEU GLY ILE ASP GLY ILE PRO GLU PHE GLY ARG CYS THR           
SEQRES   7 A  396  GLN GLU LEU LEU PHE GLY LYS GLY SER ALA LEU ILE ASN           
SEQRES   8 A  396  ASP LYS ARG ALA ARG THR ALA GLN THR PRO GLY GLY SER           
SEQRES   9 A  396  GLY ALA LEU ARG VAL ALA ALA ASP PHE LEU ALA LYS ASN           
SEQRES  10 A  396  THR SER VAL LYS ARG VAL TRP VAL SER ASN PRO SER TRP           
SEQRES  11 A  396  PRO ASN HIS LYS SER VAL PHE ASN SER ALA GLY LEU GLU           
SEQRES  12 A  396  VAL ARG GLU TYR ALA TYR TYR ASP ALA GLU ASN HIS THR           
SEQRES  13 A  396  LEU ASP PHE ASP ALA LEU ILE ASN SER LEU ASN GLU ALA           
SEQRES  14 A  396  GLN ALA GLY ASP VAL VAL LEU PHE HIS GLY CYS CYS HIS           
SEQRES  15 A  396  ASN PRO THR GLY ILE ASP PRO THR LEU GLU GLN TRP GLN           
SEQRES  16 A  396  THR LEU ALA GLN LEU SER VAL GLU LYS GLY TRP LEU PRO           
SEQRES  17 A  396  LEU PHE ASP PHE ALA TYR GLN GLY PHE ALA ARG GLY LEU           
SEQRES  18 A  396  GLU GLU ASP ALA GLU GLY LEU ARG ALA PHE ALA ALA MET           
SEQRES  19 A  396  HIS LYS GLU LEU ILE VAL ALA SER SER TYR SER LYS ASN           
SEQRES  20 A  396  PHE GLY LEU TYR ASN GLU ARG VAL GLY ALA CYS THR LEU           
SEQRES  21 A  396  VAL ALA ALA ASP SER GLU THR VAL ASP ARG ALA PHE SER           
SEQRES  22 A  396  GLN MET LYS ALA ALA ILE ARG ALA ASN TYR SER SER PRO           
SEQRES  23 A  396  PRO ALA HIS GLY ALA SER VAL VAL ALA THR ILE LEU SER           
SEQRES  24 A  396  ASN ASP ALA LEU ARG ALA ILE TRP GLU GLN GLU LEU THR           
SEQRES  25 A  396  ASP MET ARG GLN ARG ILE GLN ARG MET ARG GLN LEU PHE           
SEQRES  26 A  396  VAL ASN THR LEU GLN GLU LYS GLY ALA ASN ARG ASP PHE           
SEQRES  27 A  396  SER PHE ILE ILE LYS GLN ASN GLY MET PHE SER PHE SER           
SEQRES  28 A  396  GLY LEU THR LYS GLU GLN VAL LEU ARG LEU ARG GLU GLU           
SEQRES  29 A  396  PHE GLY VAL TYR ALA VAL ALA SER GLY ARG VAL ASN VAL           
SEQRES  30 A  396  ALA GLY MET THR PRO ASP ASN MET ALA PRO LEU CYS GLU           
SEQRES  31 A  396  ALA ILE VAL ALA VAL LEU                                       
SEQRES   1 B  396  MET PHE GLU ASN ILE THR ALA ALA PRO ALA ASP PRO ILE           
SEQRES   2 B  396  LEU GLY LEU ALA ASP LEU PHE ARG ALA ASP GLU ARG PRO           
SEQRES   3 B  396  GLY LYS ILE ASN LEU GLY ILE GLY LEU TYR TYR ASP GLU           
SEQRES   4 B  396  THR GLY LYS ILE PRO VAL LEU THR SER VAL LYS LYS ALA           
SEQRES   5 B  396  GLU GLN TYR LEU LEU GLU ASN GLU THR THR LYS LEU TYR           
SEQRES   6 B  396  LEU GLY ILE ASP GLY ILE PRO GLU PHE GLY ARG CYS THR           
SEQRES   7 B  396  GLN GLU LEU LEU PHE GLY LYS GLY SER ALA LEU ILE ASN           
SEQRES   8 B  396  ASP LYS ARG ALA ARG THR ALA GLN THR PRO GLY GLY SER           
SEQRES   9 B  396  GLY ALA LEU ARG VAL ALA ALA ASP PHE LEU ALA LYS ASN           
SEQRES  10 B  396  THR SER VAL LYS ARG VAL TRP VAL SER ASN PRO SER TRP           
SEQRES  11 B  396  PRO ASN HIS LYS SER VAL PHE ASN SER ALA GLY LEU GLU           
SEQRES  12 B  396  VAL ARG GLU TYR ALA TYR TYR ASP ALA GLU ASN HIS THR           
SEQRES  13 B  396  LEU ASP PHE ASP ALA LEU ILE ASN SER LEU ASN GLU ALA           
SEQRES  14 B  396  GLN ALA GLY ASP VAL VAL LEU PHE HIS GLY CYS CYS HIS           
SEQRES  15 B  396  ASN PRO THR GLY ILE ASP PRO THR LEU GLU GLN TRP GLN           
SEQRES  16 B  396  THR LEU ALA GLN LEU SER VAL GLU LYS GLY TRP LEU PRO           
SEQRES  17 B  396  LEU PHE ASP PHE ALA TYR GLN GLY PHE ALA ARG GLY LEU           
SEQRES  18 B  396  GLU GLU ASP ALA GLU GLY LEU ARG ALA PHE ALA ALA MET           
SEQRES  19 B  396  HIS LYS GLU LEU ILE VAL ALA SER SER TYR SER LYS ASN           
SEQRES  20 B  396  PHE GLY LEU TYR ASN GLU ARG VAL GLY ALA CYS THR LEU           
SEQRES  21 B  396  VAL ALA ALA ASP SER GLU THR VAL ASP ARG ALA PHE SER           
SEQRES  22 B  396  GLN MET LYS ALA ALA ILE ARG ALA ASN TYR SER SER PRO           
SEQRES  23 B  396  PRO ALA HIS GLY ALA SER VAL VAL ALA THR ILE LEU SER           
SEQRES  24 B  396  ASN ASP ALA LEU ARG ALA ILE TRP GLU GLN GLU LEU THR           
SEQRES  25 B  396  ASP MET ARG GLN ARG ILE GLN ARG MET ARG GLN LEU PHE           
SEQRES  26 B  396  VAL ASN THR LEU GLN GLU LYS GLY ALA ASN ARG ASP PHE           
SEQRES  27 B  396  SER PHE ILE ILE LYS GLN ASN GLY MET PHE SER PHE SER           
SEQRES  28 B  396  GLY LEU THR LYS GLU GLN VAL LEU ARG LEU ARG GLU GLU           
SEQRES  29 B  396  PHE GLY VAL TYR ALA VAL ALA SER GLY ARG VAL ASN VAL           
SEQRES  30 B  396  ALA GLY MET THR PRO ASP ASN MET ALA PRO LEU CYS GLU           
SEQRES  31 B  396  ALA ILE VAL ALA VAL LEU                                       
HET    PLP  A 410      15                                                        
HET    HCI  A 411      11                                                        
HET    PLP  B 410      15                                                        
HET    HCI  B 411      11                                                        
HETNAM     PLP PYRIDOXAL-5'-PHOSPHATE                                            
HETNAM     HCI HYDROCINNAMIC ACID                                                
HETSYN     PLP VITAMIN B6 PHOSPHATE                                              
HETSYN     HCI 3PP; 3-PHENYLPROPIONIC ACID                                       
FORMUL   3  PLP    2(C8 H10 N O6 P)                                              
FORMUL   4  HCI    2(C9 H10 O2)                                                  
FORMUL   7  HOH   *529(H2 O)                                                     
HELIX    1   1 LEU A   18  ALA A   26  1                                   9     
HELIX    2   2 THR A   51  ASN A   63  1                                  13     
HELIX    3   3 PRO A   77  PHE A   88  1                                  12     
HELIX    4   4 ALA A   93  ASN A   96  1                                   4     
HELIX    5   5 GLY A  107  ASN A  122  1                                  16     
HELIX    6   6 PRO A  141  ALA A  150  1                                  10     
HELIX    7   7 PHE A  170  GLU A  179  1                                  10     
HELIX    8   8 LEU A  202  LYS A  215  1                                  14     
HELIX    9   9 GLU A  238  MET A  246  1                                   9     
HELIX   10  10 TYR A  263  GLU A  265  5                                   3     
HELIX   11  11 SER A  277  ARG A  292  1                                  16     
HELIX   12  12 ALA A  300  SER A  311  1                                  12     
HELIX   13  13 ASP A  313  LYS A  344  1                                  32     
HELIX   14  14 SER A  351  LYS A  355  5                                   5     
HELIX   15  15 LYS A  367  PHE A  377  1                                  11     
HELIX   16  16 VAL A  389  GLY A  391  5                                   3     
HELIX   17  17 MET A  397  VAL A  408  1                                  11     
HELIX   18  18 LEU B   18  ALA B   26  1                                   9     
HELIX   19  19 THR B   51  ASN B   63  1                                  13     
HELIX   20  20 PRO B   77  PHE B   88  1                                  12     
HELIX   21  21 ALA B   93  ASN B   96  1                                   4     
HELIX   22  22 GLY B  107  ASN B  122  1                                  16     
HELIX   23  23 PRO B  141  ALA B  150  1                                  10     
HELIX   24  24 PHE B  170  GLU B  179  1                                  10     
HELIX   25  25 LEU B  202  LYS B  215  1                                  14     
HELIX   26  26 LEU B  233  ASP B  236  1                                   4     
HELIX   27  27 GLU B  238  MET B  246  1                                   9     
HELIX   28  28 TYR B  263  GLU B  265  5                                   3     
HELIX   29  29 SER B  277  ARG B  292  1                                  16     
HELIX   30  30 ALA B  300  SER B  311  1                                  12     
HELIX   31  31 ASP B  313  GLU B  343  1                                  31     
HELIX   32  32 SER B  351  LYS B  355  5                                   5     
HELIX   33  33 LYS B  367  PHE B  377  1                                  11     
HELIX   34  34 VAL B  389  GLY B  391  5                                   3     
HELIX   35  35 MET B  397  ALA B  407  1                                  10     
SHEET    1   A 5 ALA A 100  THR A 105  0                                         
SHEET    2   A 5 GLY A 268  VAL A 273 -1  N  LEU A 272   O  ARG A 101            
SHEET    3   A 5 LEU A 250  SER A 255 -1  N  SER A 254   O  ALA A 269            
SHEET    4   A 5 LEU A 218  PHE A 223  1  N  PRO A 219   O  ILE A 251            
SHEET    5   A 5 VAL A 185  HIS A 189  1  N  VAL A 186   O  LEU A 218            
SHEET    1   B 2 ARG A 129  ASN A 137  0                                         
SHEET    2   B 2 GLU A 154  ALA A 159  1  N  GLU A 154   O  VAL A 133            
SHEET    1   C 2 PHE A 360  PHE A 362  0                                         
SHEET    2   C 2 ARG A 386  ASN A 388 -1  N  VAL A 387   O  SER A 361            
SHEET    1   D 5 ALA B 100  PRO B 106  0                                         
SHEET    2   D 5 VAL B 267  VAL B 273 -1  N  LEU B 272   O  ARG B 101            
SHEET    3   D 5 LEU B 250  SER B 255 -1  N  SER B 254   O  ALA B 269            
SHEET    4   D 5 LEU B 218  PHE B 223  1  N  PRO B 219   O  ILE B 251            
SHEET    5   D 5 VAL B 185  HIS B 189  1  N  VAL B 186   O  LEU B 218            
SHEET    1   E 2 ARG B 129  SER B 136  0                                         
SHEET    2   E 2 GLU B 154  TYR B 158  1  N  GLU B 154   O  VAL B 133            
SHEET    1   F 2 PHE B 360  PHE B 362  0                                         
SHEET    2   F 2 ARG B 386  ASN B 388 -1  N  VAL B 387   O  SER B 361            
LINK         NZ  LYS A 258                 C4A PLP A 410     1555   1555  1.30   
LINK         NZ  LYS B 258                 C4A PLP B 410     1555   1555  1.31   
CISPEP   1 ASN A  137    PRO A  138          0         2.69                      
CISPEP   2 ASN A  194    PRO A  195          0        11.25                      
CISPEP   3 ASN B  137    PRO B  138          0         2.29                      
CISPEP   4 ASN B  194    PRO B  195          0        11.17                      
SITE     1 ACT 24 ASP A  15  ILE A  17  LEU A  18  ILE A  37                     
SITE     2 ACT 24 GLY A  38  LEU A  39  TYR B  70  GLY A 107                     
SITE     3 ACT 24 GLY A 108  SER A 109  TRP A 140  ASN A 194                     
SITE     4 ACT 24 ASP A 222  ALA A 224  TYR A 225  SER A 255                     
SITE     5 ACT 24 LYS A 258  ARG A 266  ARG B 292  SER B 296                     
SITE     6 ACT 24 SER B 297  PHE A 360  ARG A 386  HCI A 411                     
SITE     1 BCT 24 ASP B  15  ILE B  17  LEU B  18  ILE B  37                     
SITE     2 BCT 24 GLY B  38  LEU B  39  TYR A  70  GLY B 107                     
SITE     3 BCT 24 GLY B 108  SER B 109  TRP B 140  ASN B 194                     
SITE     4 BCT 24 ASP B 222  ALA B 224  TYR B 225  SER B 255                     
SITE     5 BCT 24 LYS B 258  ARG B 266  ARG A 292  SER A 296                     
SITE     6 BCT 24 SER A 297  PHE B 360  ARG B 386  HCI B 411                     
SITE     1 AC1 13 GLY A 107  GLY A 108  SER A 109  TRP A 140                     
SITE     2 AC1 13 ASN A 194  ASP A 222  ALA A 224  TYR A 225                     
SITE     3 AC1 13 SER A 255  SER A 257  LYS A 258  ARG A 266                     
SITE     4 AC1 13 TYR B  70                                                      
SITE     1 AC2  9 ILE A  17  LEU A  18  GLY A  38  TRP A 140                     
SITE     2 AC2  9 ASN A 142  ASN A 194  LYS A 258  ARG A 386                     
SITE     3 AC2  9 SER B 296                                                      
SITE     1 AC3 11 TYR A  70  GLY B 108  SER B 109  ASN B 194                     
SITE     2 AC3 11 ASP B 222  ALA B 224  TYR B 225  SER B 255                     
SITE     3 AC3 11 SER B 257  LYS B 258  ARG B 266                                
SITE     1 AC4 10 SER A 296  ILE B  17  LEU B  18  ILE B  37                     
SITE     2 AC4 10 GLY B  38  TRP B 140  ASN B 142  ASN B 194                     
SITE     3 AC4 10 LYS B 258  ARG B 386                                           
CRYST1   84.980   78.690   89.280  90.00 118.32  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      0.011767  0.000000  0.006341        0.00000                          
SCALE2      0.000000  0.012708  0.000000        0.00000                          
SCALE3      0.000000  0.000000  0.012724        0.00000                          
MTRIX1   1 -1.000000  0.000010  0.000360        0.04746    1                     
MTRIX2   1 -0.000360 -1.000000 -0.000350       83.63189    1                     
MTRIX3   1  0.000360 -0.000350  1.000000        0.02234    1                     
END