HEADER    TRANSFERASE(AMINOTRANSFERASE)           28-FEB-94   1AKA              
TITLE     STRUCTURAL BASIS FOR THE CATALYTIC ACTIVITY OF ASPARTATE              
TITLE    2 AMINOTRANSFERASE K258H LACKING ITS PYRIDOXAL-5'-PHOSPHATE-BINDING    
TITLE    3 LYSINE RESIDUE                                                       
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ASPARTATE AMINOTRANSFERASE;                                
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 EC: 2.6.1.1;                                                         
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: GALLUS GALLUS;                                  
SOURCE   3 ORGANISM_COMMON: CHICKEN;                                            
SOURCE   4 ORGANISM_TAXID: 9031;                                                
SOURCE   5 ORGAN: HEART;                                                        
SOURCE   6 EXPRESSION_SYSTEM: UNIDENTIFIED;                                     
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 32644                                       
KEYWDS    TRANSFERASE(AMINOTRANSFERASE)                                         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    V.N.MALASHKEVICH,J.N.JANSONIUS                                        
REVDAT   6   07-FEB-24 1AKA    1       REMARK SEQADV                            
REVDAT   5   29-NOV-17 1AKA    1       HELIX                                    
REVDAT   4   25-JUL-12 1AKA    1       COMPND SEQADV                            
REVDAT   3   13-JUL-11 1AKA    1       VERSN                                    
REVDAT   2   24-FEB-09 1AKA    1       VERSN                                    
REVDAT   1   31-JUL-94 1AKA    0                                                
JRNL        AUTH   V.N.MALASHKEVICH,J.JAGER,M.ZIAK,U.SAUDER,H.GEHRING,          
JRNL        AUTH 2 P.CHRISTEN,J.N.JANSONIUS                                     
JRNL        TITL   STRUCTURAL BASIS FOR THE CATALYTIC ACTIVITY OF ASPARTATE     
JRNL        TITL 2 AMINOTRANSFERASE K258H LACKING THE PYRIDOXAL                 
JRNL        TITL 3 5'-PHOSPHATE-BINDING LYSINE RESIDUE.                         
JRNL        REF    BIOCHEMISTRY                  V.  34   405 1995              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   7819232                                                      
JRNL        DOI    10.1021/BI00002A004                                          
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   M.ZIAK,J.JAEGER,V.N.MALASHKEVICH,R.JAUSSI,H.GEHRING,         
REMARK   1  AUTH 2 J.N.JANSONIUS,P.CHRISTEN                                     
REMARK   1  TITL   MUTANT ASPARTATE AMINOTRANSFERASE (K258H) WITHOUT            
REMARK   1  TITL 2 PYRIDOXAL-5'-PHOSPHATE-BINDING LYSINE RESIDUE. STRUCTURAL    
REMARK   1  TITL 3 AND CATALYTIC PROPERTIES                                     
REMARK   1  REF    EUR.J.BIOCHEM.                V. 211   475 1993              
REMARK   1  REFN                   ISSN 0014-2956                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   J.N.JANSONIUS,M.G.VINCENT                                    
REMARK   1  TITL   STRUCTURAL BASIS FOR CATALYSIS BY ASPARTATE AMINOTRANSFERASE 
REMARK   1  EDIT   F.A.JURNAK, A.MCPHERSON                                      
REMARK   1  REF    BIOLOGICAL MACROMOLECULES     V.   3   188 1987              
REMARK   1  REF  2 AND ASSEMBLIES                                               
REMARK   1  PUBL   JOHN WILEY AND SONS,NEW YORK                                 
REMARK   1  REFN                   ISSN 0-471-85142-6                           
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.10 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PROLSQ                                               
REMARK   3   AUTHORS     : KONNERT,HENDRICKSON                                  
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 1.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 41517                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.169                           
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  FIT/AGREEMENT OF MODEL WITH ALL DATA.                               
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            : 6324                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 21                                      
REMARK   3   SOLVENT ATOMS            : 666                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
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 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  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : 0.010 ; 0.020               
REMARK   3    ANGLE DISTANCE                  (A) : 0.034 ; 0.040               
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : 0.039 ; 0.050               
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : 0.009 ; 0.020               
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : 0.130 ; 0.150               
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : 0.180 ; 0.300               
REMARK   3    MULTIPLE TORSION                (A) : 0.250 ; 0.300               
REMARK   3    H-BOND (X...Y)                  (A) : NULL  ; NULL                
REMARK   3    H-BOND (X-H...Y)                (A) : 0.180 ; 0.300               
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : 1.700 ; 3.000               
REMARK   3    STAGGERED                 (DEGREES) : 18.000; 15.000              
REMARK   3    TRANSVERSE                (DEGREES) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND               (A**2) : 5.300 ; 6.000               
REMARK   3   MAIN-CHAIN ANGLE              (A**2) : 6.700 ; 8.000               
REMARK   3   SIDE-CHAIN BOND               (A**2) : 8.900 ; 6.000               
REMARK   3   SIDE-CHAIN ANGLE              (A**2) : 12.400; 8.000               
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1AKA 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_1000170921.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : NULL                               
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : NULL                               
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
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                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> 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  <I/SIGMA(I)> 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   (%): 47.76                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.35                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1                              
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,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                                                                      
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: THE TRANSFORMATION PRESENTED ON *MTRIX* RECORDS BELOW WILL   
REMARK 300 YIELD APPROXIMATE COORDINATES FOR CHAIN *B* WHEN APPLIED TO          
REMARK 300 CHAIN *A*.                                                           
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: 7360 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 30510 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -38.0 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 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  41   NE  -  CZ  -  NH1 ANGL. DEV. =   3.1 DEGREES          
REMARK 500    ARG A  41   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.7 DEGREES          
REMARK 500    ARG A  54   NE  -  CZ  -  NH2 ANGL. DEV. =  -5.4 DEGREES          
REMARK 500    ASP A  67   CB  -  CG  -  OD2 ANGL. DEV. =  -7.3 DEGREES          
REMARK 500    GLU A  69   OE1 -  CD  -  OE2 ANGL. DEV. =   9.2 DEGREES          
REMARK 500    GLU A  69   CG  -  CD  -  OE1 ANGL. DEV. = -13.5 DEGREES          
REMARK 500    ARG A 113   NE  -  CZ  -  NH1 ANGL. DEV. =   3.2 DEGREES          
REMARK 500    ARG A 129   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.0 DEGREES          
REMARK 500    ARG A 148   NE  -  CZ  -  NH1 ANGL. DEV. =  -4.5 DEGREES          
REMARK 500    LEU A 187   CA  -  CB  -  CG  ANGL. DEV. =  14.4 DEGREES          
REMARK 500    LEU A 217   N   -  CA  -  CB  ANGL. DEV. = -13.3 DEGREES          
REMARK 500    TYR A 220   CB  -  CG  -  CD1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500    GLU A 278   CA  -  CB  -  CG  ANGL. DEV. =  14.2 DEGREES          
REMARK 500    GLU A 278   OE1 -  CD  -  OE2 ANGL. DEV. =  -8.7 DEGREES          
REMARK 500    ARG A 329   NE  -  CZ  -  NH1 ANGL. DEV. =   6.3 DEGREES          
REMARK 500    ARG A 329   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.9 DEGREES          
REMARK 500    ARG A 334   NE  -  CZ  -  NH1 ANGL. DEV. =   7.9 DEGREES          
REMARK 500    ARG A 334   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.7 DEGREES          
REMARK 500    ASP A 384   CB  -  CG  -  OD1 ANGL. DEV. =   6.4 DEGREES          
REMARK 500    ARG A 386   NE  -  CZ  -  NH1 ANGL. DEV. =   3.9 DEGREES          
REMARK 500    ARG A 386   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.0 DEGREES          
REMARK 500    MET B  33   CA  -  CB  -  CG  ANGL. DEV. =  15.7 DEGREES          
REMARK 500    ARG B  41   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.5 DEGREES          
REMARK 500    VAL B  49   CB  -  CA  -  C   ANGL. DEV. =  12.3 DEGREES          
REMARK 500    ARG B  54   NE  -  CZ  -  NH1 ANGL. DEV. =   4.8 DEGREES          
REMARK 500    ARG B  54   NE  -  CZ  -  NH2 ANGL. DEV. =  -5.2 DEGREES          
REMARK 500    GLU B  69   CG  -  CD  -  OE1 ANGL. DEV. = -12.9 DEGREES          
REMARK 500    ARG B  81   CD  -  NE  -  CZ  ANGL. DEV. =  12.8 DEGREES          
REMARK 500    ARG B  81   NE  -  CZ  -  NH2 ANGL. DEV. =   3.4 DEGREES          
REMARK 500    LEU B  86   CA  -  CB  -  CG  ANGL. DEV. =  14.4 DEGREES          
REMARK 500    LEU B 112   CA  -  CB  -  CG  ANGL. DEV. =  14.0 DEGREES          
REMARK 500    ARG B 113   NE  -  CZ  -  NH1 ANGL. DEV. =   4.0 DEGREES          
REMARK 500    ARG B 113   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.5 DEGREES          
REMARK 500    ARG B 121   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.2 DEGREES          
REMARK 500    ARG B 129   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.0 DEGREES          
REMARK 500    LEU B 188   CA  -  CB  -  CG  ANGL. DEV. =  17.1 DEGREES          
REMARK 500    ALA B 239   CB  -  CA  -  C   ANGL. DEV. =   9.2 DEGREES          
REMARK 500    VAL B 250   N   -  CA  -  CB  ANGL. DEV. = -16.7 DEGREES          
REMARK 500    LEU B 252   CA  -  CB  -  CG  ANGL. DEV. =  13.9 DEGREES          
REMARK 500    ARG B 282   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500    ARG B 304   NE  -  CZ  -  NH1 ANGL. DEV. =   3.5 DEGREES          
REMARK 500    ARG B 316   NE  -  CZ  -  NH1 ANGL. DEV. =   4.0 DEGREES          
REMARK 500    ARG B 329   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.3 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    SER A   4       58.71   -107.90                                   
REMARK 500    ASP A  42     -169.11    -76.68                                   
REMARK 500    SER A 107     -162.42     63.47                                   
REMARK 500    TYR A 160      -58.83   -145.75                                   
REMARK 500    MET A 223       78.35   -117.06                                   
REMARK 500    TYR A 263      -84.00     -8.03                                   
REMARK 500    ARG A 266       77.78     50.47                                   
REMARK 500    TYR A 295       11.73   -157.41                                   
REMARK 500    SER A 296      -57.09     67.08                                   
REMARK 500    ARG B  99       31.39    -98.46                                   
REMARK 500    SER B 107     -163.42     61.47                                   
REMARK 500    TYR B 160      -60.48   -141.30                                   
REMARK 500    LYS B 183       31.30     73.74                                   
REMARK 500    ALA B 192       70.42     45.40                                   
REMARK 500    TYR B 263      -87.02    -16.73                                   
REMARK 500    ARG B 266       69.49     60.19                                   
REMARK 500    TYR B 295       14.59   -150.86                                   
REMARK 500    SER B 296      -63.28     69.13                                   
REMARK 500    SER B 378       40.01     70.94                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 600                                                                      
REMARK 600 HETEROGEN                                                            
REMARK 600                                                                      
REMARK 600 COENZYME PYRIDOXAL-5'-PHOSPHATE IS BOUND (NON-COVALENTLY)            
REMARK 600 IN SUBUNIT A, BUT IS REPLACED BY PHOSPHATE ION AND WATER             
REMARK 600 MOLECULES IN SUBUNIT B.                                              
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: ACT                                                 
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: ACTIVE SITE RESIDUES                               
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BCT                                                 
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: ACTIVE SITE RESIDUES                               
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 B 411                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP A 411                 
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 THE RESIDUES ARE NUMBERED FROM 3 - 410, ACCORDING TO A               
REMARK 999 SEQUENCE ALIGNMENT WITH THE LONGER SEQUENCE OF PIG                   
REMARK 999 CYTOSOLIC ASPARTATE AMINOTRANSFERASE (SEE U. GRAF-HAUSNER,           
REMARK 999 K.J. WILSON AND P. CHRISTEN (1983), J.BIOL.CHEM. 258,                
REMARK 999 8813-8826).                                                          
REMARK 999                                                                      
REMARK 999 SEQUENCE ADVISORY NOTICE:                                            
REMARK 999     DIFFERENCE BETWEEN SWISS-PROT AND PDB SEQUENCE.                  
REMARK 999                                                                      
REMARK 999      SWISS-PROT ENTRY NAME: AATM_CHICK                               
REMARK 999                                                                      
REMARK 999      SWISS-PROT RESIDUE      PDB SEQRES                              
REMARK 999                                                                      
REMARK 999        NAME   NUMBER         NAME   CHAIN  SEQ/INSERT CODE           
REMARK 999        SER       67          PRO     A       47                      
REMARK 999        LYS      272          HIS     A      258 (MUTATION)           
REMARK 999        SER       67          PRO     B       47                      
REMARK 999        LYS      272          HIS     B      258 (MUTATION)           
DBREF  1AKA A    3   410  UNP    P00508   AATM_CHICK      23    423             
DBREF  1AKA B    3   410  UNP    P00508   AATM_CHICK      23    423             
SEQADV 1AKA PRO A   47  UNP  P00508    SER    67 CONFLICT                       
SEQADV 1AKA HIS A  258  UNP  P00508    LYS   272 ENGINEERED MUTATION            
SEQADV 1AKA PRO B   47  UNP  P00508    SER    67 CONFLICT                       
SEQADV 1AKA HIS B  258  UNP  P00508    LYS   272 ENGINEERED MUTATION            
SEQRES   1 A  401  SER SER TRP TRP SER HIS VAL GLU MET GLY PRO PRO ASP          
SEQRES   2 A  401  PRO ILE LEU GLY VAL THR GLU ALA PHE LYS ARG ASP THR          
SEQRES   3 A  401  ASN SER LYS LYS MET ASN LEU GLY VAL GLY ALA TYR ARG          
SEQRES   4 A  401  ASP ASP ASN GLY LYS PRO TYR VAL LEU ASN CYS VAL ARG          
SEQRES   5 A  401  LYS ALA GLU ALA MET ILE ALA ALA LYS LYS MET ASP LYS          
SEQRES   6 A  401  GLU TYR LEU PRO ILE ALA GLY LEU ALA ASP PHE THR ARG          
SEQRES   7 A  401  ALA SER ALA GLU LEU ALA LEU GLY GLU ASN SER GLU ALA          
SEQRES   8 A  401  PHE LYS SER GLY ARG TYR VAL THR VAL GLN GLY ILE SER          
SEQRES   9 A  401  GLY THR GLY SER LEU ARG VAL GLY ALA ASN PHE LEU GLN          
SEQRES  10 A  401  ARG PHE PHE LYS PHE SER ARG ASP VAL TYR LEU PRO LYS          
SEQRES  11 A  401  PRO SER TRP GLY ASN HIS THR PRO ILE PHE ARG ASP ALA          
SEQRES  12 A  401  GLY LEU GLN LEU GLN ALA TYR ARG TYR TYR ASP PRO LYS          
SEQRES  13 A  401  THR CYS SER LEU ASP PHE THR GLY ALA MET GLU ASP ILE          
SEQRES  14 A  401  SER LYS ILE PRO GLU LYS SER ILE ILE LEU LEU HIS ALA          
SEQRES  15 A  401  CYS ALA HIS ASN PRO THR GLY VAL ASP PRO ARG GLN GLU          
SEQRES  16 A  401  GLN TRP LYS GLU LEU ALA SER VAL VAL LYS LYS ARG ASN          
SEQRES  17 A  401  LEU LEU ALA TYR PHE ASP MET ALA TYR GLN GLY PHE ALA          
SEQRES  18 A  401  SER GLY ASP ILE ASN ARG ASP ALA TRP ALA LEU ARG HIS          
SEQRES  19 A  401  PHE ILE GLU GLN GLY ILE ASP VAL VAL LEU SER GLN SER          
SEQRES  20 A  401  TYR ALA HIS ASN MET GLY LEU TYR GLY GLU ARG ALA GLY          
SEQRES  21 A  401  ALA PHE THR VAL ILE CYS ARG ASP ALA GLU GLU ALA LYS          
SEQRES  22 A  401  ARG VAL GLU SER GLN LEU LYS ILE LEU ILE ARG PRO MET          
SEQRES  23 A  401  TYR SER ASN PRO PRO MET ASN GLY ALA ARG ILE ALA SER          
SEQRES  24 A  401  LEU ILE LEU ASN THR PRO GLU LEU ARG LYS GLU TRP LEU          
SEQRES  25 A  401  VAL GLU VAL LYS GLY MET ALA ASP ARG ILE ILE SER MET          
SEQRES  26 A  401  ARG THR GLN LEU VAL SER ASN LEU LYS LYS GLU GLY SER          
SEQRES  27 A  401  SER HIS ASN TRP GLN HIS ILE THR ASP GLN ILE GLY MET          
SEQRES  28 A  401  PHE CYS PHE THR GLY LEU LYS PRO GLU GLN VAL GLU ARG          
SEQRES  29 A  401  LEU THR LYS GLU PHE SER ILE TYR MET THR LYS ASP GLY          
SEQRES  30 A  401  ARG ILE SER VAL ALA GLY VAL ALA SER SER ASN VAL GLY          
SEQRES  31 A  401  TYR LEU ALA HIS ALA ILE HIS GLN VAL THR LYS                  
SEQRES   1 B  401  SER SER TRP TRP SER HIS VAL GLU MET GLY PRO PRO ASP          
SEQRES   2 B  401  PRO ILE LEU GLY VAL THR GLU ALA PHE LYS ARG ASP THR          
SEQRES   3 B  401  ASN SER LYS LYS MET ASN LEU GLY VAL GLY ALA TYR ARG          
SEQRES   4 B  401  ASP ASP ASN GLY LYS PRO TYR VAL LEU ASN CYS VAL ARG          
SEQRES   5 B  401  LYS ALA GLU ALA MET ILE ALA ALA LYS LYS MET ASP LYS          
SEQRES   6 B  401  GLU TYR LEU PRO ILE ALA GLY LEU ALA ASP PHE THR ARG          
SEQRES   7 B  401  ALA SER ALA GLU LEU ALA LEU GLY GLU ASN SER GLU ALA          
SEQRES   8 B  401  PHE LYS SER GLY ARG TYR VAL THR VAL GLN GLY ILE SER          
SEQRES   9 B  401  GLY THR GLY SER LEU ARG VAL GLY ALA ASN PHE LEU GLN          
SEQRES  10 B  401  ARG PHE PHE LYS PHE SER ARG ASP VAL TYR LEU PRO LYS          
SEQRES  11 B  401  PRO SER TRP GLY ASN HIS THR PRO ILE PHE ARG ASP ALA          
SEQRES  12 B  401  GLY LEU GLN LEU GLN ALA TYR ARG TYR TYR ASP PRO LYS          
SEQRES  13 B  401  THR CYS SER LEU ASP PHE THR GLY ALA MET GLU ASP ILE          
SEQRES  14 B  401  SER LYS ILE PRO GLU LYS SER ILE ILE LEU LEU HIS ALA          
SEQRES  15 B  401  CYS ALA HIS ASN PRO THR GLY VAL ASP PRO ARG GLN GLU          
SEQRES  16 B  401  GLN TRP LYS GLU LEU ALA SER VAL VAL LYS LYS ARG ASN          
SEQRES  17 B  401  LEU LEU ALA TYR PHE ASP MET ALA TYR GLN GLY PHE ALA          
SEQRES  18 B  401  SER GLY ASP ILE ASN ARG ASP ALA TRP ALA LEU ARG HIS          
SEQRES  19 B  401  PHE ILE GLU GLN GLY ILE ASP VAL VAL LEU SER GLN SER          
SEQRES  20 B  401  TYR ALA HIS ASN MET GLY LEU TYR GLY GLU ARG ALA GLY          
SEQRES  21 B  401  ALA PHE THR VAL ILE CYS ARG ASP ALA GLU GLU ALA LYS          
SEQRES  22 B  401  ARG VAL GLU SER GLN LEU LYS ILE LEU ILE ARG PRO MET          
SEQRES  23 B  401  TYR SER ASN PRO PRO MET ASN GLY ALA ARG ILE ALA SER          
SEQRES  24 B  401  LEU ILE LEU ASN THR PRO GLU LEU ARG LYS GLU TRP LEU          
SEQRES  25 B  401  VAL GLU VAL LYS GLY MET ALA ASP ARG ILE ILE SER MET          
SEQRES  26 B  401  ARG THR GLN LEU VAL SER ASN LEU LYS LYS GLU GLY SER          
SEQRES  27 B  401  SER HIS ASN TRP GLN HIS ILE THR ASP GLN ILE GLY MET          
SEQRES  28 B  401  PHE CYS PHE THR GLY LEU LYS PRO GLU GLN VAL GLU ARG          
SEQRES  29 B  401  LEU THR LYS GLU PHE SER ILE TYR MET THR LYS ASP GLY          
SEQRES  30 B  401  ARG ILE SER VAL ALA GLY VAL ALA SER SER ASN VAL GLY          
SEQRES  31 B  401  TYR LEU ALA HIS ALA ILE HIS GLN VAL THR LYS                  
HET    PLP  A 411      16                                                       
HET    PO4  B 411       5                                                       
HETNAM     PLP PYRIDOXAL-5'-PHOSPHATE                                           
HETNAM     PO4 PHOSPHATE ION                                                    
HETSYN     PLP VITAMIN B6 PHOSPHATE                                             
FORMUL   3  PLP    C8 H10 N O6 P                                                
FORMUL   4  PO4    O4 P 3-                                                      
FORMUL   5  HOH   *666(H2 O)                                                    
HELIX    1  A1 PRO A   16  ARG A   26  1                                  11    
HELIX    2  A2 ASN A   51  LYS A   63  1                                  13    
HELIX    3  A3 ALA A   77  LEU A   88  1                                  12    
HELIX    4  A4 GLU A   93  SER A   97  1                                   5    
HELIX    5  A5 GLY A  108  PHE A  122  1                                  15    
HELIX    6  A6 GLY A  141  ALA A  150  1                                  10    
HELIX    7  A7 PHE A  170  LYS A  179  1                                  10    
HELIX    8  A8 GLN A  202  ARG A  215  1                                  14    
HELIX    9  A9 ILE A  233  GLN A  246  1                                  14    
HELIX   10 A10 ALA A  277  PRO A  293  1                                  17    
HELIX   11 A11 MET A  300  ASN A  311  1                                  12    
HELIX   12 A12 PRO A  313  GLU A  344  1                                  32    
HELIX   13 A13 GLN A  351  ASP A  355  1                                   5    
HELIX   14 A14 PRO A  367  PHE A  377  1                                  11    
HELIX   15 A15 SER A  394  THR A  409  1                                  15    
HELIX   16  B1 PRO B   16  ARG B   26  1                                  11    
HELIX   17  B2 ASN B   51  LYS B   63  1                                  13    
HELIX   18  B3 ALA B   77  LEU B   88  1                                  12    
HELIX   19  B4 GLU B   93  SER B   97  1                                   5    
HELIX   20  B5 GLY B  108  PHE B  122  1                                  15    
HELIX   21  B6 GLY B  141  ALA B  150  1                                  10    
HELIX   22  B7 PHE B  170  LYS B  179  1                                  10    
HELIX   23  B8 GLN B  202  ARG B  215  1                                  14    
HELIX   24  B9 ILE B  233  GLN B  246  1                                  14    
HELIX   25 B10 ALA B  277  PRO B  293  1                                  17    
HELIX   26 B11 MET B  300  ASN B  311  1                                  12    
HELIX   27 B12 PRO B  313  GLU B  344  1                                  32    
HELIX   28 B13 GLN B  351  ASP B  355  1                                   5    
HELIX   29 B14 PRO B  367  PHE B  377  1                                  11    
HELIX   30 B15 SER B  394  THR B  409  1                                  15    
SHEET    1 S1A 7 ARG A  99  GLY A 105  0                                        
SHEET    2 S1A 7 GLY A 268  CYS A 274 -1  N  CYS A 274   O  ARG A  99           
SHEET    3 S1A 7 VAL A 250  SER A 255 -1  O  VAL A 250   N  ILE A 273           
SHEET    4 S1A 7 LEU A 218  MET A 223  1  O  ALA A 219   N  VAL A 251           
SHEET    5 S1A 7 SER A 184  HIS A 189  1  O  SER A 184   N  LEU A 218           
SHEET    6 S1A 7 ARG A 129  LYS A 137  1  O  ASP A 130   N  ILE A 185           
SHEET    7 S1A 7 GLN A 154  TYR A 158  1  N  GLN A 154   O  ARG A 129           
SHEET    1 S2A 2 MET A  33  LEU A  35  0                                        
SHEET    2 S2A 2 SER A 378  TYR A 380  1  O  SER A 378   N  MET A  33           
SHEET    1 S3A 2 MET A 359  THR A 363  0                                        
SHEET    2 S3A 2 GLY A 385  VAL A 389 -1  N  VAL A 389   O  MET A 359           
SHEET    1 S1B 7 ARG B  99  GLY B 105  0                                        
SHEET    2 S1B 7 GLY B 268  CYS B 274 -1  N  CYS B 274   O  ARG B  99           
SHEET    3 S1B 7 VAL B 250  SER B 255 -1  O  VAL B 250   N  ILE B 273           
SHEET    4 S1B 7 LEU B 218  MET B 223  1  O  ALA B 219   N  VAL B 251           
SHEET    5 S1B 7 SER B 184  HIS B 189  1  O  SER B 184   N  LEU B 218           
SHEET    6 S1B 7 ARG B 129  LYS B 137  1  O  ASP B 130   N  ILE B 185           
SHEET    7 S1B 7 GLN B 154  TYR B 158  1  N  GLN B 154   O  ARG B 129           
SHEET    1 S2B 2 MET B  33  LEU B  35  0                                        
SHEET    2 S2B 2 SER B 378  TYR B 380  1  O  SER B 378   N  MET B  33           
SHEET    1 S3B 2 MET B 359  THR B 363  0                                        
SHEET    2 S3B 2 GLY B 385  VAL B 389 -1  N  VAL B 389   O  MET B 359           
CISPEP   1 LYS A  137    PRO A  138          0        -0.74                     
CISPEP   2 ASN A  194    PRO A  195          0         2.70                     
CISPEP   3 LYS B  137    PRO B  138          0        -2.20                     
CISPEP   4 ASN B  194    PRO B  195          0         2.39                     
SITE     1 ACT 24 ASP A  15  ILE A  17  LEU A  18  VAL A  37                    
SITE     2 ACT 24 GLY A  38  ALA A  39  TYR A  70  SER A 107                    
SITE     3 ACT 24 GLY A 108  THR 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 HIS A 258  ARG A 266  ARG A 292  SER A 296                    
SITE     6 ACT 24 ASN A 297  PHE A 360  ARG A 386  PLP A 411                    
SITE     1 BCT 24 ASP B  15  ILE B  17  LEU B  18  VAL B  37                    
SITE     2 BCT 24 GLY B  38  ALA B  39  TYR B  70  SER B 107                    
SITE     3 BCT 24 GLY B 108  THR 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 HIS B 258  ARG B 266  ARG B 292  SER B 296                    
SITE     6 BCT 24 ASN B 297  PHE B 360  ARG B 386  PO4 B 411                    
SITE     1 AC1  6 TYR A  70  SER B 107  GLY B 108  THR B 109                    
SITE     2 AC1  6 SER B 255  ARG B 266                                          
SITE     1 AC2 12 SER A 107  GLY A 108  THR A 109  TRP A 140                    
SITE     2 AC2 12 ASN A 194  ASP A 222  TYR A 225  SER A 255                    
SITE     3 AC2 12 HIS A 258  ARG A 266  HOH A 448  TYR B  70                    
CRYST1   55.870   58.800   75.810  85.26 108.96 115.57 P 1           2          
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      0.017899  0.008564  0.006743        0.00000                         
SCALE2      0.000000  0.018853  0.001276        0.00000                         
SCALE3      0.000000  0.000000  0.013979        0.00000                         
MTRIX1   1 -0.923000  0.352500 -0.153000       19.90200    1                    
MTRIX2   1  0.349100  0.602500 -0.718000       17.31000    1                    
MTRIX3   1 -0.160700 -0.716100 -0.679000       48.37500    1