HEADER    HYDROLASE                               03-OCT-03   1R43              
TITLE     CRYSTAL STRUCTURE OF BETA-ALANINE SYNTHASE FROM SACCHAROMYCES KLUYVERI
TITLE    2 (SELENOMETHIONINE SUBSTITUTED PROTEIN)                               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: BETA-ALANINE SYNTHASE;                                     
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 EC: 3.5.1.6;                                                         
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: LACHANCEA KLUYVERI;                             
SOURCE   3 ORGANISM_TAXID: 4934;                                                
SOURCE   4 GENE: PYD3;                                                          
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: B843(DE3);                                 
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: P491                                      
KEYWDS    ALPHA AND BETA PROTEIN, ONE DI-ZINC CENTER PER SUBUNIT, HYDROLASE     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.LUNDGREN,Z.GOJKOVIC,J.PISKUR,D.DOBRITZSCH                           
REVDAT   5   30-OCT-24 1R43    1       REMARK SEQADV LINK                       
REVDAT   4   24-FEB-09 1R43    1       VERSN                                    
REVDAT   3   20-JAN-04 1R43    1       TITLE                                    
REVDAT   2   23-DEC-03 1R43    1       JRNL                                     
REVDAT   1   11-NOV-03 1R43    0                                                
JRNL        AUTH   S.LUNDGREN,Z.GOJKOVIC,J.PISKUR,D.DOBRITZSCH                  
JRNL        TITL   YEAST BETA-ALANINE SYNTHASE SHARES A STRUCTURAL SCAFFOLD AND 
JRNL        TITL 2 ORIGIN WITH DIZINC-DEPENDENT EXOPEPTIDASES                   
JRNL        REF    J.BIOL.CHEM.                  V. 278 51851                   
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   14534321                                                     
JRNL        DOI    10.1074/JBC.M308674200                                       
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   D.DOBRITZSCH,Z.GOJKOVIC,B.ANDERSEN,J.PISKUR                  
REMARK   1  TITL   CRYSTALLIZATION AND PRELIMINARY X-RAY ANALYSIS OF            
REMARK   1  TITL 2 BETA-ALANINE SYNTHASE FROM THE YEAST SACCHAROMYCES KLUYVERI  
REMARK   1  REF    ACTA CRYSTALLOGR.,SECT.D      V.  59  1267 2003              
REMARK   1  REFN                   ISSN 0907-4449                               
REMARK   1  DOI    10.1107/S0907444903009120                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.80 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 : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 29.75                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 23973                          
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) : 0.214                           
REMARK   3   R VALUE            (WORKING SET) : 0.211                           
REMARK   3   FREE R VALUE                     : 0.274                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1289                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.80                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.87                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1810                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3000                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 85                           
REMARK   3   BIN FREE R VALUE                    : 0.3350                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 6716                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 34                                      
REMARK   3   SOLVENT ATOMS            : 68                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 61.30                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 20.27                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.05000                                              
REMARK   3    B22 (A**2) : -3.64000                                             
REMARK   3    B33 (A**2) : 3.26000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 3.40000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
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): 0.416         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.371         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 19.451        
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.927                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.887                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  6908 ; 0.010 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  9349 ; 1.268 ; 1.940       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   868 ; 6.456 ; 5.000       
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):  1012 ; 0.087 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  5308 ; 0.004 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  3356 ; 0.224 ; 0.200       
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 ; 0.143 ; 0.200       
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):    44 ; 0.165 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     4 ; 0.260 ; 0.200       
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):  4306 ; 0.290 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  6905 ; 0.604 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  2602 ; 1.324 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  2444 ; 2.031 ; 4.500       
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 : 1                                 
REMARK   3                                                                      
REMARK   3  NCS GROUP NUMBER               : 1                                  
REMARK   3     CHAIN NAMES                    : A B                             
REMARK   3     NUMBER OF COMPONENTS NCS GROUP : 4                               
REMARK   3       COMPONENT C  SSSEQI  TO  C   SSSEQI   CODE                     
REMARK   3           1     A    247       A     364      2                      
REMARK   3           1     B    247       B     364      2                      
REMARK   3           2     A     28       A     246      5                      
REMARK   3           2     B     28       B     246      5                      
REMARK   3           3     A    365       A     455      5                      
REMARK   3           3     B    365       B     455      5                      
REMARK   3           4     A    500       A     559      1                      
REMARK   3           4     B    500       B    1519      1                      
REMARK   3                   GROUP CHAIN        COUNT   RMS     WEIGHT          
REMARK   3   TIGHT POSITIONAL   1    A    (A):    475 ;  0.08 ;  0.05           
REMARK   3   MEDIUM POSITIONAL  1    A    (A):   1673 ;  0.91 ;  0.50           
REMARK   3   LOOSE POSITIONAL   1    A    (A):   1170 ;  1.19 ;  5.00           
REMARK   3   TIGHT THERMAL      1    A (A**2):    475 ;  0.10 ;  0.50           
REMARK   3   MEDIUM THERMAL     1    A (A**2):   1673 ;  0.50 ;  2.00           
REMARK   3   LOOSE THERMAL      1    A (A**2):   1170 ;  1.31 ; 10.00           
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1R43 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-OCT-03.                  
REMARK 100 THE DEPOSITION ID IS D_1000020411.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 03-OCT-02                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID14-4                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9793, 0.9794, 0.9393             
REMARK 200  MONOCHROMATOR                  : DOUBLE CRYSTAL, SI(111) OR         
REMARK 200                                   SI(311)                            
REMARK 200  OPTICS                         : TOROIDAL MIRROR                    
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : CCP4 (SCALA)                       
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 25306                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : 5.800                              
REMARK 200  R MERGE                    (I) : 0.10300                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 15.5000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.95                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.40500                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.200                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: MAD                                            
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD                          
REMARK 200 SOFTWARE USED: SOLVE, SHARP                                          
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 51.10                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.52                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: TRISODIUM CITRATE, DIOXANE, DTT, PH      
REMARK 280  6.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K                
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       38.81500            
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: THE BIOLOGICAL ASSEMBLY IS A DIMER. THE ASYMMETRIC UNIT      
REMARK 300 CONTAINS ONE SUCH 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: 6220 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 33210 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -181.0 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     MSE A     1                                                      
REMARK 465     SER A     2                                                      
REMARK 465     LYS A     3                                                      
REMARK 465     ASP A     4                                                      
REMARK 465     VAL A     5                                                      
REMARK 465     SER A     6                                                      
REMARK 465     SER A     7                                                      
REMARK 465     THR A     8                                                      
REMARK 465     ILE A     9                                                      
REMARK 465     THR A    10                                                      
REMARK 465     THR A    11                                                      
REMARK 465     VAL A    12                                                      
REMARK 465     SER A    13                                                      
REMARK 465     ALA A    14                                                      
REMARK 465     SER A    15                                                      
REMARK 465     PRO A    16                                                      
REMARK 465     ASP A    17                                                      
REMARK 465     HIS A   456                                                      
REMARK 465     HIS A   457                                                      
REMARK 465     HIS A   458                                                      
REMARK 465     HIS A   459                                                      
REMARK 465     HIS A   460                                                      
REMARK 465     HIS A   461                                                      
REMARK 465     HIS A   462                                                      
REMARK 465     HIS A   463                                                      
REMARK 465     MSE B     1                                                      
REMARK 465     SER B     2                                                      
REMARK 465     LYS B     3                                                      
REMARK 465     ASP B     4                                                      
REMARK 465     VAL B     5                                                      
REMARK 465     SER B     6                                                      
REMARK 465     SER B     7                                                      
REMARK 465     THR B     8                                                      
REMARK 465     ILE B     9                                                      
REMARK 465     THR B    10                                                      
REMARK 465     THR B    11                                                      
REMARK 465     VAL B    12                                                      
REMARK 465     SER B    13                                                      
REMARK 465     ALA B    14                                                      
REMARK 465     SER B    15                                                      
REMARK 465     PRO B    16                                                      
REMARK 465     ASP B    17                                                      
REMARK 465     GLY B    18                                                      
REMARK 465     THR B    19                                                      
REMARK 465     LEU B    20                                                      
REMARK 465     ASN B    21                                                      
REMARK 465     LEU B    22                                                      
REMARK 465     PRO B    23                                                      
REMARK 465     HIS B   456                                                      
REMARK 465     HIS B   457                                                      
REMARK 465     HIS B   458                                                      
REMARK 465     HIS B   459                                                      
REMARK 465     HIS B   460                                                      
REMARK 465     HIS B   461                                                      
REMARK 465     HIS B   462                                                      
REMARK 465     HIS B   463                                                      
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 125   CB  -  CG  -  OD2 ANGL. DEV. =   6.4 DEGREES          
REMARK 500    ASP A 192   CB  -  CG  -  OD2 ANGL. DEV. =   5.5 DEGREES          
REMARK 500    ASP A 220   CB  -  CG  -  OD2 ANGL. DEV. =   5.5 DEGREES          
REMARK 500    ASP A 386   CB  -  CG  -  OD2 ANGL. DEV. =   5.5 DEGREES          
REMARK 500    ASP B 320   CB  -  CG  -  OD2 ANGL. DEV. =   5.7 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    THR A  19      -74.95    -11.06                                   
REMARK 500    ALA A  25      108.90    -48.97                                   
REMARK 500    PHE A  46      -88.21   -114.45                                   
REMARK 500    ARG A  62       86.67   -151.94                                   
REMARK 500    SER A 113     -147.55   -152.69                                   
REMARK 500    ASN A 144       30.87     71.67                                   
REMARK 500    ASN A 158       78.71     39.08                                   
REMARK 500    ALA A 165       36.04    -72.16                                   
REMARK 500    TYR A 306       72.53     72.48                                   
REMARK 500    ASN A 347      128.05   -173.79                                   
REMARK 500    ASP A 417       13.83     55.88                                   
REMARK 500    ASN A 422      133.42    177.84                                   
REMARK 500    ALA B  25       91.31    -56.59                                   
REMARK 500    SER B  29       86.04    -69.17                                   
REMARK 500    LYS B 107       81.36     42.09                                   
REMARK 500    SER B 113     -123.63   -143.84                                   
REMARK 500    GLU B 120       78.20     61.60                                   
REMARK 500    ASN B 158       58.38     39.75                                   
REMARK 500    ALA B 165       60.04    -67.49                                   
REMARK 500    ARG B 166      113.44   -163.66                                   
REMARK 500    GLU B 216      -65.93    -94.86                                   
REMARK 500    GLN B 229      -12.16     76.05                                   
REMARK 500    ASN B 237       41.03     26.26                                   
REMARK 500    TYR B 306       72.46     77.26                                   
REMARK 500    ASN B 347      124.58   -173.25                                   
REMARK 500    SER B 378      -63.49    -93.16                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 500  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 114   NE2                                                    
REMARK 620 2 ASP A 125   OD2  96.5                                              
REMARK 620 3 HIS A 226   NE2 120.1  84.8                                        
REMARK 620 4 HOH A 546   O    90.7 159.5  75.0                                  
REMARK 620 5 HOH A 559   O   137.6 104.2  98.5  82.6                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 501  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 125   OD1                                                    
REMARK 620 2 GLU A 160   OE2  82.5                                              
REMARK 620 3 GLU A 160   OE1 132.4  57.2                                        
REMARK 620 4 HIS A 421   NE2  89.7 101.2  76.1                                  
REMARK 620 5 HOH A 559   O   109.3 131.3 116.1 125.1                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN B 500  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS B 114   NE2                                                    
REMARK 620 2 ASP B 125   OD1 112.2                                              
REMARK 620 3 GLU B 159   OE1  77.5 145.4                                        
REMARK 620 4 HIS B 226   NE2 115.6  76.0 131.5                                  
REMARK 620 5 HOH B1512   O    96.8 149.1  49.2  82.3                            
REMARK 620 6 HOH B1519   O   136.5  96.2  61.2 102.5  67.2                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN B 501  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP B 125   OD2                                                    
REMARK 620 2 GLU B 160   OE2  73.7                                              
REMARK 620 3 HIS B 421   NE2  73.8  80.7                                        
REMARK 620 4 HOH B1519   O   116.2 158.4 119.9                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 500                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 501                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 500                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 501                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DTT A 503                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TRS A 504                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BIB A 505                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BIB B 1505                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1R3N   RELATED DB: PDB                                   
REMARK 900 BETA-ALANINE SYNTHASE FROM SACCHAROMYCES KLUYVERI (NATIVE PROTEIN)   
DBREF  1R43 A    1   455  UNP    Q96W94   Q96W94_SACKL     1    455             
DBREF  1R43 B    1   455  UNP    Q96W94   Q96W94_SACKL     1    455             
SEQADV 1R43 MSE A    1  UNP  Q96W94    MET     1 MODIFIED RESIDUE               
SEQADV 1R43 MSE A   61  UNP  Q96W94    MET    61 MODIFIED RESIDUE               
SEQADV 1R43 MSE A   73  UNP  Q96W94    MET    73 MODIFIED RESIDUE               
SEQADV 1R43 MSE A   96  UNP  Q96W94    MET    96 MODIFIED RESIDUE               
SEQADV 1R43 MSE A  187  UNP  Q96W94    MET   187 MODIFIED RESIDUE               
SEQADV 1R43 MSE A  277  UNP  Q96W94    MET   277 MODIFIED RESIDUE               
SEQADV 1R43 MSE A  281  UNP  Q96W94    MET   281 MODIFIED RESIDUE               
SEQADV 1R43 MSE A  332  UNP  Q96W94    MET   332 MODIFIED RESIDUE               
SEQADV 1R43 MSE A  410  UNP  Q96W94    MET   410 MODIFIED RESIDUE               
SEQADV 1R43 HIS A  456  UNP  Q96W94              EXPRESSION TAG                 
SEQADV 1R43 HIS A  457  UNP  Q96W94              EXPRESSION TAG                 
SEQADV 1R43 HIS A  458  UNP  Q96W94              EXPRESSION TAG                 
SEQADV 1R43 HIS A  459  UNP  Q96W94              EXPRESSION TAG                 
SEQADV 1R43 HIS A  460  UNP  Q96W94              EXPRESSION TAG                 
SEQADV 1R43 HIS A  461  UNP  Q96W94              EXPRESSION TAG                 
SEQADV 1R43 HIS A  462  UNP  Q96W94              EXPRESSION TAG                 
SEQADV 1R43 HIS A  463  UNP  Q96W94              EXPRESSION TAG                 
SEQADV 1R43 MSE B    1  UNP  Q96W94    MET     1 MODIFIED RESIDUE               
SEQADV 1R43 MSE B   61  UNP  Q96W94    MET    61 MODIFIED RESIDUE               
SEQADV 1R43 MSE B   73  UNP  Q96W94    MET    73 MODIFIED RESIDUE               
SEQADV 1R43 MSE B   96  UNP  Q96W94    MET    96 MODIFIED RESIDUE               
SEQADV 1R43 MSE B  187  UNP  Q96W94    MET   187 MODIFIED RESIDUE               
SEQADV 1R43 MSE B  277  UNP  Q96W94    MET   277 MODIFIED RESIDUE               
SEQADV 1R43 MSE B  281  UNP  Q96W94    MET   281 MODIFIED RESIDUE               
SEQADV 1R43 MSE B  332  UNP  Q96W94    MET   332 MODIFIED RESIDUE               
SEQADV 1R43 MSE B  410  UNP  Q96W94    MET   410 MODIFIED RESIDUE               
SEQADV 1R43 HIS B  456  UNP  Q96W94              EXPRESSION TAG                 
SEQADV 1R43 HIS B  457  UNP  Q96W94              EXPRESSION TAG                 
SEQADV 1R43 HIS B  458  UNP  Q96W94              EXPRESSION TAG                 
SEQADV 1R43 HIS B  459  UNP  Q96W94              EXPRESSION TAG                 
SEQADV 1R43 HIS B  460  UNP  Q96W94              EXPRESSION TAG                 
SEQADV 1R43 HIS B  461  UNP  Q96W94              EXPRESSION TAG                 
SEQADV 1R43 HIS B  462  UNP  Q96W94              EXPRESSION TAG                 
SEQADV 1R43 HIS B  463  UNP  Q96W94              EXPRESSION TAG                 
SEQRES   1 A  463  MSE SER LYS ASP VAL SER SER THR ILE THR THR VAL SER          
SEQRES   2 A  463  ALA SER PRO ASP GLY THR LEU ASN LEU PRO ALA ALA ALA          
SEQRES   3 A  463  PRO LEU SER ILE ALA SER GLY ARG LEU ASN GLN THR ILE          
SEQRES   4 A  463  LEU GLU THR GLY SER GLN PHE GLY GLY VAL ALA ARG TRP          
SEQRES   5 A  463  GLY GLN GLU SER HIS GLU PHE GLY MSE ARG ARG LEU ALA          
SEQRES   6 A  463  GLY THR ALA LEU ASP GLY ALA MSE ARG ASP TRP PHE THR          
SEQRES   7 A  463  ASN GLU CYS GLU SER LEU GLY CYS LYS VAL LYS VAL ASP          
SEQRES   8 A  463  LYS ILE GLY ASN MSE PHE ALA VAL TYR PRO GLY LYS ASN          
SEQRES   9 A  463  GLY GLY LYS PRO THR ALA THR GLY SER HIS LEU ASP THR          
SEQRES  10 A  463  GLN PRO GLU ALA GLY LYS TYR ASP GLY ILE LEU GLY VAL          
SEQRES  11 A  463  LEU ALA GLY LEU GLU VAL LEU ARG THR PHE LYS ASP ASN          
SEQRES  12 A  463  ASN TYR VAL PRO ASN TYR ASP VAL CYS VAL VAL VAL TRP          
SEQRES  13 A  463  PHE ASN GLU GLU GLY ALA ARG PHE ALA ARG SER CYS THR          
SEQRES  14 A  463  GLY SER SER VAL TRP SER HIS ASP LEU SER LEU GLU GLU          
SEQRES  15 A  463  ALA TYR GLY LEU MSE SER VAL GLY GLU ASP LYS PRO GLU          
SEQRES  16 A  463  SER VAL TYR ASP SER LEU LYS ASN ILE GLY TYR ILE GLY          
SEQRES  17 A  463  ASP THR PRO ALA SER TYR LYS GLU ASN GLU ILE ASP ALA          
SEQRES  18 A  463  HIS PHE GLU LEU HIS ILE GLU GLN GLY PRO ILE LEU GLU          
SEQRES  19 A  463  ASP GLU ASN LYS ALA ILE GLY ILE VAL THR GLY VAL GLN          
SEQRES  20 A  463  ALA TYR ASN TRP GLN LYS VAL THR VAL HIS GLY VAL GLY          
SEQRES  21 A  463  ALA HIS ALA GLY THR THR PRO TRP ARG LEU ARG LYS ASP          
SEQRES  22 A  463  ALA LEU LEU MSE SER SER LYS MSE ILE VAL ALA ALA SER          
SEQRES  23 A  463  GLU ILE ALA GLN ARG HIS ASN GLY LEU PHE THR CYS GLY          
SEQRES  24 A  463  ILE ILE ASP ALA LYS PRO TYR SER VAL ASN ILE ILE PRO          
SEQRES  25 A  463  GLY GLU VAL SER PHE THR LEU ASP PHE ARG HIS PRO SER          
SEQRES  26 A  463  ASP ASP VAL LEU ALA THR MSE LEU LYS GLU ALA ALA ALA          
SEQRES  27 A  463  GLU PHE ASP ARG LEU ILE LYS ILE ASN ASP GLY GLY ALA          
SEQRES  28 A  463  LEU SER TYR GLU SER GLU THR LEU GLN VAL SER PRO ALA          
SEQRES  29 A  463  VAL ASN PHE HIS GLU VAL CYS ILE GLU CYS VAL SER ARG          
SEQRES  30 A  463  SER ALA PHE ALA GLN PHE LYS LYS ASP GLN VAL ARG GLN          
SEQRES  31 A  463  ILE TRP SER GLY ALA GLY HIS ASP SER CYS GLN THR ALA          
SEQRES  32 A  463  PRO HIS VAL PRO THR SER MSE ILE PHE ILE PRO SER LYS          
SEQRES  33 A  463  ASP GLY LEU SER HIS ASN TYR TYR GLU TYR SER SER PRO          
SEQRES  34 A  463  GLU GLU ILE GLU ASN GLY PHE LYS VAL LEU LEU GLN ALA          
SEQRES  35 A  463  ILE ILE ASN TYR ASP ASN TYR ARG VAL ILE ARG GLY HIS          
SEQRES  36 A  463  HIS HIS HIS HIS HIS HIS HIS HIS                              
SEQRES   1 B  463  MSE SER LYS ASP VAL SER SER THR ILE THR THR VAL SER          
SEQRES   2 B  463  ALA SER PRO ASP GLY THR LEU ASN LEU PRO ALA ALA ALA          
SEQRES   3 B  463  PRO LEU SER ILE ALA SER GLY ARG LEU ASN GLN THR ILE          
SEQRES   4 B  463  LEU GLU THR GLY SER GLN PHE GLY GLY VAL ALA ARG TRP          
SEQRES   5 B  463  GLY GLN GLU SER HIS GLU PHE GLY MSE ARG ARG LEU ALA          
SEQRES   6 B  463  GLY THR ALA LEU ASP GLY ALA MSE ARG ASP TRP PHE THR          
SEQRES   7 B  463  ASN GLU CYS GLU SER LEU GLY CYS LYS VAL LYS VAL ASP          
SEQRES   8 B  463  LYS ILE GLY ASN MSE PHE ALA VAL TYR PRO GLY LYS ASN          
SEQRES   9 B  463  GLY GLY LYS PRO THR ALA THR GLY SER HIS LEU ASP THR          
SEQRES  10 B  463  GLN PRO GLU ALA GLY LYS TYR ASP GLY ILE LEU GLY VAL          
SEQRES  11 B  463  LEU ALA GLY LEU GLU VAL LEU ARG THR PHE LYS ASP ASN          
SEQRES  12 B  463  ASN TYR VAL PRO ASN TYR ASP VAL CYS VAL VAL VAL TRP          
SEQRES  13 B  463  PHE ASN GLU GLU GLY ALA ARG PHE ALA ARG SER CYS THR          
SEQRES  14 B  463  GLY SER SER VAL TRP SER HIS ASP LEU SER LEU GLU GLU          
SEQRES  15 B  463  ALA TYR GLY LEU MSE SER VAL GLY GLU ASP LYS PRO GLU          
SEQRES  16 B  463  SER VAL TYR ASP SER LEU LYS ASN ILE GLY TYR ILE GLY          
SEQRES  17 B  463  ASP THR PRO ALA SER TYR LYS GLU ASN GLU ILE ASP ALA          
SEQRES  18 B  463  HIS PHE GLU LEU HIS ILE GLU GLN GLY PRO ILE LEU GLU          
SEQRES  19 B  463  ASP GLU ASN LYS ALA ILE GLY ILE VAL THR GLY VAL GLN          
SEQRES  20 B  463  ALA TYR ASN TRP GLN LYS VAL THR VAL HIS GLY VAL GLY          
SEQRES  21 B  463  ALA HIS ALA GLY THR THR PRO TRP ARG LEU ARG LYS ASP          
SEQRES  22 B  463  ALA LEU LEU MSE SER SER LYS MSE ILE VAL ALA ALA SER          
SEQRES  23 B  463  GLU ILE ALA GLN ARG HIS ASN GLY LEU PHE THR CYS GLY          
SEQRES  24 B  463  ILE ILE ASP ALA LYS PRO TYR SER VAL ASN ILE ILE PRO          
SEQRES  25 B  463  GLY GLU VAL SER PHE THR LEU ASP PHE ARG HIS PRO SER          
SEQRES  26 B  463  ASP ASP VAL LEU ALA THR MSE LEU LYS GLU ALA ALA ALA          
SEQRES  27 B  463  GLU PHE ASP ARG LEU ILE LYS ILE ASN ASP GLY GLY ALA          
SEQRES  28 B  463  LEU SER TYR GLU SER GLU THR LEU GLN VAL SER PRO ALA          
SEQRES  29 B  463  VAL ASN PHE HIS GLU VAL CYS ILE GLU CYS VAL SER ARG          
SEQRES  30 B  463  SER ALA PHE ALA GLN PHE LYS LYS ASP GLN VAL ARG GLN          
SEQRES  31 B  463  ILE TRP SER GLY ALA GLY HIS ASP SER CYS GLN THR ALA          
SEQRES  32 B  463  PRO HIS VAL PRO THR SER MSE ILE PHE ILE PRO SER LYS          
SEQRES  33 B  463  ASP GLY LEU SER HIS ASN TYR TYR GLU TYR SER SER PRO          
SEQRES  34 B  463  GLU GLU ILE GLU ASN GLY PHE LYS VAL LEU LEU GLN ALA          
SEQRES  35 B  463  ILE ILE ASN TYR ASP ASN TYR ARG VAL ILE ARG GLY HIS          
SEQRES  36 B  463  HIS HIS HIS HIS HIS HIS HIS HIS                              
MODRES 1R43 MSE A   61  MET  SELENOMETHIONINE                                   
MODRES 1R43 MSE A   73  MET  SELENOMETHIONINE                                   
MODRES 1R43 MSE A   96  MET  SELENOMETHIONINE                                   
MODRES 1R43 MSE A  187  MET  SELENOMETHIONINE                                   
MODRES 1R43 MSE A  277  MET  SELENOMETHIONINE                                   
MODRES 1R43 MSE A  281  MET  SELENOMETHIONINE                                   
MODRES 1R43 MSE A  332  MET  SELENOMETHIONINE                                   
MODRES 1R43 MSE A  410  MET  SELENOMETHIONINE                                   
MODRES 1R43 MSE B   61  MET  SELENOMETHIONINE                                   
MODRES 1R43 MSE B   73  MET  SELENOMETHIONINE                                   
MODRES 1R43 MSE B   96  MET  SELENOMETHIONINE                                   
MODRES 1R43 MSE B  187  MET  SELENOMETHIONINE                                   
MODRES 1R43 MSE B  277  MET  SELENOMETHIONINE                                   
MODRES 1R43 MSE B  281  MET  SELENOMETHIONINE                                   
MODRES 1R43 MSE B  332  MET  SELENOMETHIONINE                                   
MODRES 1R43 MSE B  410  MET  SELENOMETHIONINE                                   
HET    MSE  A  61       8                                                       
HET    MSE  A  73       8                                                       
HET    MSE  A  96       8                                                       
HET    MSE  A 187       8                                                       
HET    MSE  A 277       8                                                       
HET    MSE  A 281       8                                                       
HET    MSE  A 332       8                                                       
HET    MSE  A 410       8                                                       
HET    MSE  B  61       8                                                       
HET    MSE  B  73       8                                                       
HET    MSE  B  96       8                                                       
HET    MSE  B 187       8                                                       
HET    MSE  B 277       8                                                       
HET    MSE  B 281       8                                                       
HET    MSE  B 332       8                                                       
HET    MSE  B 410       8                                                       
HET     ZN  A 500       1                                                       
HET     ZN  A 501       1                                                       
HET    DTT  A 503       8                                                       
HET    TRS  A 504       8                                                       
HET    BIB  A 505       7                                                       
HET     ZN  B 500       1                                                       
HET     ZN  B 501       1                                                       
HET    BIB  B1505       7                                                       
HETNAM     MSE SELENOMETHIONINE                                                 
HETNAM      ZN ZINC ION                                                         
HETNAM     DTT 2,3-DIHYDROXY-1,4-DITHIOBUTANE                                   
HETNAM     TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL                         
HETNAM     BIB BETA-AMINO ISOBUTYRATE                                           
HETSYN     DTT 1,4-DITHIOTHREITOL                                               
HETSYN     TRS TRIS BUFFER                                                      
FORMUL   1  MSE    16(C5 H11 N O2 SE)                                           
FORMUL   3   ZN    4(ZN 2+)                                                     
FORMUL   5  DTT    C4 H10 O2 S2                                                 
FORMUL   6  TRS    C4 H12 N O3 1+                                               
FORMUL   7  BIB    2(C4 H8 N O2 1-)                                             
FORMUL  11  HOH   *68(H2 O)                                                     
HELIX    1   1 GLY A   33  PHE A   46  1                                  14    
HELIX    2   2 THR A   67  SER A   83  1                                  17    
HELIX    3   3 GLY A  126  ASN A  144  1                                  19    
HELIX    4   4 CYS A  168  SER A  175  1                                   8    
HELIX    5   5 SER A  179  GLY A  185  1                                   7    
HELIX    6   6 SER A  196  GLY A  205  1                                  10    
HELIX    7   7 PRO A  231  GLU A  236  1                                   6    
HELIX    8   8 PRO A  267  ARG A  271  5                                   5    
HELIX    9   9 ASP A  273  HIS A  292  1                                  20    
HELIX   10  10 SER A  325  ILE A  344  1                                  20    
HELIX   11  11 HIS A  368  PHE A  383  1                                  16    
HELIX   12  12 LYS A  384  ASP A  386  5                                   3    
HELIX   13  13 HIS A  397  ALA A  403  1                                   7    
HELIX   14  14 SER A  415  LEU A  419  5                                   5    
HELIX   15  15 SER A  428  GLY A  454  1                                  27    
HELIX   16  16 GLY B   33  GLY B   47  1                                  15    
HELIX   17  17 THR B   67  SER B   83  1                                  17    
HELIX   18  18 GLY B  126  ASN B  144  1                                  19    
HELIX   19  19 CYS B  168  SER B  175  1                                   8    
HELIX   20  20 SER B  179  LEU B  186  1                                   8    
HELIX   21  21 SER B  196  GLY B  205  1                                  10    
HELIX   22  22 PRO B  231  GLU B  236  1                                   6    
HELIX   23  23 PRO B  267  ARG B  271  5                                   5    
HELIX   24  24 ASP B  273  HIS B  292  1                                  20    
HELIX   25  25 SER B  325  ILE B  344  1                                  20    
HELIX   26  26 HIS B  368  PHE B  383  1                                  16    
HELIX   27  27 ASP B  398  ALA B  403  1                                   6    
HELIX   28  28 SER B  415  LEU B  419  5                                   5    
HELIX   29  29 SER B  428  HIS B  455  1                                  28    
SHEET    1   A 2 GLY A  48  VAL A  49  0                                        
SHEET    2   A 2 GLY A  60  MSE A  61 -1  O  GLY A  60   N  VAL A  49           
SHEET    1   B 8 LYS A  87  VAL A  90  0                                        
SHEET    2   B 8 MSE A  96  TYR A 100 -1  O  VAL A  99   N  LYS A  87           
SHEET    3   B 8 VAL A 151  TRP A 156 -1  O  VAL A 153   N  ALA A  98           
SHEET    4   B 8 THR A 109  HIS A 114  1  N  THR A 111   O  VAL A 154           
SHEET    5   B 8 HIS A 222  ILE A 227  1  O  PHE A 223   N  ALA A 110           
SHEET    6   B 8 THR A 408  ILE A 413  1  O  ILE A 411   N  HIS A 226           
SHEET    7   B 8 ILE A 240  VAL A 246 -1  N  GLY A 241   O  PHE A 412           
SHEET    8   B 8 VAL A 365  ASN A 366 -1  O  VAL A 365   N  VAL A 246           
SHEET    1   C 8 LYS A  87  VAL A  90  0                                        
SHEET    2   C 8 MSE A  96  TYR A 100 -1  O  VAL A  99   N  LYS A  87           
SHEET    3   C 8 VAL A 151  TRP A 156 -1  O  VAL A 153   N  ALA A  98           
SHEET    4   C 8 THR A 109  HIS A 114  1  N  THR A 111   O  VAL A 154           
SHEET    5   C 8 HIS A 222  ILE A 227  1  O  PHE A 223   N  ALA A 110           
SHEET    6   C 8 THR A 408  ILE A 413  1  O  ILE A 411   N  HIS A 226           
SHEET    7   C 8 ILE A 240  VAL A 246 -1  N  GLY A 241   O  PHE A 412           
SHEET    8   C 8 VAL A 388  SER A 393  1  O  SER A 393   N  GLY A 245           
SHEET    1   D 3 LEU A 295  THR A 297  0                                        
SHEET    2   D 3 GLU A 314  HIS A 323 -1  O  ARG A 322   N  LEU A 295           
SHEET    3   D 3 ILE A 301  LYS A 304 -1  N  LYS A 304   O  GLU A 314           
SHEET    1   E 4 LEU A 295  THR A 297  0                                        
SHEET    2   E 4 GLU A 314  HIS A 323 -1  O  ARG A 322   N  LEU A 295           
SHEET    3   E 4 ALA A 248  HIS A 257 -1  N  VAL A 256   O  VAL A 315           
SHEET    4   E 4 SER A 353  SER A 362 -1  O  GLN A 360   N  TRP A 251           
SHEET    1   F 2 ALA A 261  HIS A 262  0                                        
SHEET    2   F 2 ILE A 310  ILE A 311 -1  O  ILE A 311   N  ALA A 261           
SHEET    1   G 2 GLY B  48  VAL B  49  0                                        
SHEET    2   G 2 GLY B  60  MSE B  61 -1  O  GLY B  60   N  VAL B  49           
SHEET    1   H 8 LYS B  89  VAL B  90  0                                        
SHEET    2   H 8 MSE B  96  TYR B 100 -1  O  PHE B  97   N  LYS B  89           
SHEET    3   H 8 VAL B 151  VAL B 155 -1  O  VAL B 155   N  MSE B  96           
SHEET    4   H 8 THR B 109  SER B 113  1  N  THR B 111   O  CYS B 152           
SHEET    5   H 8 HIS B 222  ILE B 227  1  O  PHE B 223   N  ALA B 110           
SHEET    6   H 8 THR B 408  ILE B 413  1  O  ILE B 411   N  HIS B 226           
SHEET    7   H 8 ILE B 240  VAL B 243 -1  N  GLY B 241   O  PHE B 412           
SHEET    8   H 8 VAL B 388  ILE B 391  1  O  ARG B 389   N  ILE B 242           
SHEET    1   I 2 GLY B 245  VAL B 246  0                                        
SHEET    2   I 2 VAL B 365  ASN B 366 -1  O  VAL B 365   N  VAL B 246           
SHEET    1   J 3 LEU B 295  THR B 297  0                                        
SHEET    2   J 3 GLU B 314  HIS B 323 -1  O  ASP B 320   N  THR B 297           
SHEET    3   J 3 ILE B 301  LYS B 304 -1  N  LYS B 304   O  GLU B 314           
SHEET    1   K 4 LEU B 295  THR B 297  0                                        
SHEET    2   K 4 GLU B 314  HIS B 323 -1  O  ASP B 320   N  THR B 297           
SHEET    3   K 4 ALA B 248  HIS B 257 -1  N  VAL B 256   O  VAL B 315           
SHEET    4   K 4 SER B 353  SER B 362 -1  O  GLU B 355   N  THR B 255           
SHEET    1   L 2 ALA B 261  HIS B 262  0                                        
SHEET    2   L 2 ILE B 310  ILE B 311 -1  O  ILE B 311   N  ALA B 261           
LINK         C   GLY A  60                 N   MSE A  61     1555   1555  1.33  
LINK         C   MSE A  61                 N   ARG A  62     1555   1555  1.33  
LINK         C   ALA A  72                 N   MSE A  73     1555   1555  1.33  
LINK         C   MSE A  73                 N   ARG A  74     1555   1555  1.33  
LINK         C   ASN A  95                 N   MSE A  96     1555   1555  1.32  
LINK         C   MSE A  96                 N   PHE A  97     1555   1555  1.33  
LINK         SG  CYS A 168                 S1  DTT A 503     1555   1555  1.76  
LINK         C   LEU A 186                 N   MSE A 187     1555   1555  1.33  
LINK         C   MSE A 187                 N   SER A 188     1555   1555  1.33  
LINK         C   LEU A 276                 N   MSE A 277     1555   1555  1.34  
LINK         C   MSE A 277                 N   SER A 278     1555   1555  1.33  
LINK         C   LYS A 280                 N   MSE A 281     1555   1555  1.33  
LINK         C   MSE A 281                 N   ILE A 282     1555   1555  1.33  
LINK         C   THR A 331                 N   MSE A 332     1555   1555  1.33  
LINK         C   MSE A 332                 N   LEU A 333     1555   1555  1.32  
LINK         C   SER A 409                 N   MSE A 410     1555   1555  1.33  
LINK         C   MSE A 410                 N   ILE A 411     1555   1555  1.34  
LINK         C   GLY B  60                 N   MSE B  61     1555   1555  1.34  
LINK         C   MSE B  61                 N   ARG B  62     1555   1555  1.33  
LINK         C   ALA B  72                 N   MSE B  73     1555   1555  1.33  
LINK         C   MSE B  73                 N   ARG B  74     1555   1555  1.33  
LINK         C   ASN B  95                 N   MSE B  96     1555   1555  1.33  
LINK         C   MSE B  96                 N   PHE B  97     1555   1555  1.33  
LINK         C   LEU B 186                 N   MSE B 187     1555   1555  1.33  
LINK         C   MSE B 187                 N   SER B 188     1555   1555  1.34  
LINK         C   LEU B 276                 N   MSE B 277     1555   1555  1.34  
LINK         C   MSE B 277                 N   SER B 278     1555   1555  1.32  
LINK         C   LYS B 280                 N   MSE B 281     1555   1555  1.33  
LINK         C   MSE B 281                 N   ILE B 282     1555   1555  1.33  
LINK         C   THR B 331                 N   MSE B 332     1555   1555  1.33  
LINK         C   MSE B 332                 N   LEU B 333     1555   1555  1.33  
LINK         C   SER B 409                 N   MSE B 410     1555   1555  1.33  
LINK         C   MSE B 410                 N   ILE B 411     1555   1555  1.33  
LINK         NE2 HIS A 114                ZN    ZN A 500     1555   1555  2.08  
LINK         OD2 ASP A 125                ZN    ZN A 500     1555   1555  2.01  
LINK         OD1 ASP A 125                ZN    ZN A 501     1555   1555  2.00  
LINK         OE2 GLU A 160                ZN    ZN A 501     1555   1555  2.00  
LINK         OE1 GLU A 160                ZN    ZN A 501     1555   1555  2.49  
LINK         NE2 HIS A 226                ZN    ZN A 500     1555   1555  2.08  
LINK         NE2 HIS A 421                ZN    ZN A 501     1555   1555  2.05  
LINK        ZN    ZN A 500                 O   HOH A 546     1555   1555  2.36  
LINK        ZN    ZN A 500                 O   HOH A 559     1555   1555  2.39  
LINK        ZN    ZN A 501                 O   HOH A 559     1555   1555  2.44  
LINK         NE2 HIS B 114                ZN    ZN B 500     1555   1555  2.07  
LINK         OD1 ASP B 125                ZN    ZN B 500     1555   1555  2.51  
LINK         OD2 ASP B 125                ZN    ZN B 501     1555   1555  2.28  
LINK         OE1 GLU B 159                ZN    ZN B 500     1555   1555  2.74  
LINK         OE2 GLU B 160                ZN    ZN B 501     1555   1555  1.99  
LINK         NE2 HIS B 226                ZN    ZN B 500     1555   1555  2.09  
LINK         NE2 HIS B 421                ZN    ZN B 501     1555   1555  2.59  
LINK        ZN    ZN B 500                 O   HOH B1512     1555   1555  2.76  
LINK        ZN    ZN B 500                 O   HOH B1519     1555   1555  1.76  
LINK        ZN    ZN B 501                 O   HOH B1519     1555   1555  2.53  
CISPEP   1 LYS A  304    PRO A  305          0         3.31                     
CISPEP   2 LYS B  304    PRO B  305          0        11.87                     
SITE     1 AC1  8 HIS A 114  ASP A 125  GLU A 159  GLU A 160                    
SITE     2 AC1  8 HIS A 226   ZN A 501  HOH A 546  HOH A 559                    
SITE     1 AC2  6 ASP A 125  GLU A 160  GLN A 229  HIS A 421                    
SITE     2 AC2  6  ZN A 500  HOH A 559                                          
SITE     1 AC3  7 HIS B 114  ASP B 125  GLU B 159  HIS B 226                    
SITE     2 AC3  7  ZN B 501  HOH B1512  HOH B1519                               
SITE     1 AC4  6 ASP B 125  GLU B 159  GLU B 160  HIS B 421                    
SITE     2 AC4  6  ZN B 500  HOH B1519                                          
SITE     1 AC5  5 ARG A 166  SER A 167  CYS A 168  GLN A 401                    
SITE     2 AC5  5 BIB A 505                                                     
SITE     1 AC6  7 GLY A  48  VAL A  49  ARG A  51  ASP A 341                    
SITE     2 AC6  7 ARG A 342  LYS A 345  HOH A 529                               
SITE     1 AC7  6 ARG A 322  ALA A 395  GLY A 396  DTT A 503                    
SITE     2 AC7  6 HIS B 262  ASN B 309                                          
SITE     1 AC8  6 HIS A 262  ASN A 309  SER B 167  TYR B 249                    
SITE     2 AC8  6 ARG B 322  GLY B 396                                          
CRYST1   60.430   77.630  110.570  90.00  95.63  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      0.016548  0.000000  0.001631        0.00000                         
SCALE2      0.000000  0.012882  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009088        0.00000