HEADER    TRANSFERASE                             09-SEP-15   5DMM              
TITLE     CRYSTAL STRUCTURE OF THE HOMOCYSTEINE METHYLTRANSFERASE MMUM FROM     
TITLE    2 ESCHERICHIA COLI, METALLATED FORM                                    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HOMOCYSTEINE S-METHYLTRANSFERASE;                          
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: S-METHYLMETHIONINE:HOMOCYSTEINE METHYLTRANSFERASE;          
COMPND   5 EC: 2.1.1.10;                                                        
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI (STRAIN K12);                  
SOURCE   3 ORGANISM_TAXID: 83333;                                               
SOURCE   4 STRAIN: K12;                                                         
SOURCE   5 GENE: MMUM, YAGD, B0261, JW0253;                                     
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: C43                                        
KEYWDS    HOMOCYSTEINE METHYLTRANSFERASE, TRANSFERASE                           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    K.LI,G.LI,L.M.T.BRADBURY,H.D.ANDREW,S.D.BRUNER                        
REVDAT   6   01-MAY-24 5DMM    1       SSBOND LINK                              
REVDAT   5   03-APR-24 5DMM    1       HETSYN                                   
REVDAT   4   15-NOV-23 5DMM    1       REMARK                                   
REVDAT   3   27-SEP-23 5DMM    1       JRNL   REMARK LINK                       
REVDAT   2   03-FEB-16 5DMM    1       JRNL                                     
REVDAT   1   25-NOV-15 5DMM    0                                                
JRNL        AUTH   K.LI,G.LI,L.M.BRADBURY,A.D.HANSON,S.D.BRUNER                 
JRNL        TITL   CRYSTAL STRUCTURE OF THE HOMOCYSTEINE METHYLTRANSFERASE MMUM 
JRNL        TITL 2 FROM ESCHERICHIA COLI.                                       
JRNL        REF    BIOCHEM.J.                    V. 473   277 2016              
JRNL        REFN                   ESSN 1470-8728                               
JRNL        PMID   26564203                                                     
JRNL        DOI    10.1042/BJ20150980                                           
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.78 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX 1.9_1692                                      
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.78                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 24.23                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.340                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 93.4                           
REMARK   3   NUMBER OF REFLECTIONS             : NULL                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.184                           
REMARK   3   R VALUE            (WORKING SET) : 0.183                           
REMARK   3   FREE R VALUE                     : 0.205                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.280                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1427                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 24.2269 -  3.8289    0.85     2436   145  0.1569 0.1636        
REMARK   3     2  3.8289 -  3.0410    0.90     2520   112  0.1611 0.1946        
REMARK   3     3  3.0410 -  2.6571    0.92     2543   148  0.1867 0.2229        
REMARK   3     4  2.6571 -  2.4144    0.93     2558   140  0.1916 0.2034        
REMARK   3     5  2.4144 -  2.2415    0.95     2570   145  0.1845 0.2095        
REMARK   3     6  2.2415 -  2.1094    0.95     2561   179  0.1848 0.2156        
REMARK   3     7  2.1094 -  2.0038    0.96     2614   122  0.1985 0.2102        
REMARK   3     8  2.0038 -  1.9166    0.96     2575   151  0.2131 0.2214        
REMARK   3     9  1.9166 -  1.8429    0.97     2683   113  0.2397 0.2799        
REMARK   3    10  1.8429 -  1.7793    0.95     2538   172  0.2573 0.2838        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.160            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 20.370           
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  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.007           2238                                  
REMARK   3   ANGLE     :  1.119           3047                                  
REMARK   3   CHIRALITY :  0.044            349                                  
REMARK   3   PLANARITY :  0.006            402                                  
REMARK   3   DIHEDRAL  : 14.163            801                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 5DMM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-SEP-15.                  
REMARK 100 THE DEPOSITION ID IS D_1000213171.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 22-JUL-15                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 4.8                                
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 21-ID-G                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9787                             
REMARK 200  MONOCHROMATOR                  : DIAMOND [111]                      
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARMOSAIC 300 MM CCD               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS DARWIN 13.4.0                  
REMARK 200  DATA SCALING SOFTWARE          : AIMLESS 0.5.8                      
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 13523                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.779                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 24.230                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 93.4                               
REMARK 200  DATA REDUNDANCY                : 5.200                              
REMARK 200  R MERGE                    (I) : 0.09300                            
REMARK 200  R SYM                      (I) : 0.10400                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 14.8600                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.78                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.84                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 95.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.66000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.490                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP 2.12                                           
REMARK 200 STARTING MODEL: 1Q7M                                                 
REMARK 200                                                                      
REMARK 200 REMARK: ROD-SHAPED                                                   
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 48.93                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.41                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1.6 M AMMONIUM SULPHATE, 10% V/V         
REMARK 280  GLYCEROL AND 0.1 M SODIUM ACETATE PH 4.8, PH 4.6, VAPOR             
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 298K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 2 2 2                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X,Y,-Z                                                 
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z+1/2                                       
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   X+1/2,-Y+1/2,-Z+1/2                                     
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       39.47450            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       42.96200            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       43.83100            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       39.47450            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       42.96200            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       43.83100            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       39.47450            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       42.96200            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       43.83100            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       39.47450            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       42.96200            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       43.83100            
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 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: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 430 ANGSTROM**2                           
REMARK 350 SURFACE AREA OF THE COMPLEX: 11410 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -52.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A 636  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 724  LIES ON A SPECIAL POSITION.                          
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A     1                                                      
REMARK 465     SER A     2                                                      
REMARK 465     GLN A     3                                                      
REMARK 465     ASN A     4                                                      
REMARK 465     GLU A   258                                                      
REMARK 465     HIS A   259                                                      
REMARK 465     TYR A   260                                                      
REMARK 465     ASP A   261                                                      
REMARK 465     ALA A   262                                                      
REMARK 465     VAL A   263                                                      
REMARK 465     SER A   264                                                      
REMARK 465     LYS A   265                                                      
REMARK 465     THR A   266                                                      
REMARK 465     TRP A   267                                                      
REMARK 465     HIS A   268                                                      
REMARK 465     HIS A   269                                                      
REMARK 465     HIS A   270                                                      
REMARK 465     GLY A   271                                                      
REMARK 465     GLU A   272                                                      
REMARK 465     HIS A   273                                                      
REMARK 465     CYS A   274                                                      
REMARK 465     ALA A   275                                                      
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    ASP A  20     -162.91   -100.05                                   
REMARK 500    ALA A  69       48.72    -83.38                                   
REMARK 500    CYS A 295     -128.97   -114.08                                   
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 502  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A 104   OE1                                                    
REMARK 620 2 GLU A 104   OE2  54.5                                              
REMARK 620 3 ASP A 138   OD1 106.4  53.1                                        
REMARK 620 4 HIS A 140   NE2 106.8  54.5   4.2                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 503  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A 109   OE2                                                    
REMARK 620 2 GLU A 144   OE1  39.4                                              
REMARK 620 3 HOH A 738   O    41.8   4.3                                        
REMARK 620 4 HOH A 741   O    39.3   1.5   3.3                                  
REMARK 620 N                    1     2     3                                   
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 CYS A 229   SG                                                     
REMARK 620 2 CYS A 295   SG  134.3                                              
REMARK 620 3 HCS A 505   SD   82.8 107.0                                        
REMARK 620 N                    1     2                                         
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 501                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue ZN A 502                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue ZN A 503                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue BME A 504                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue HCS A 505                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 5DMN   RELATED DB: PDB                                   
DBREF  5DMM A    1   310  UNP    Q47690   MMUM_ECOLI       1    310             
SEQRES   1 A  310  MET SER GLN ASN ASN PRO LEU ARG ALA LEU LEU ASP LYS          
SEQRES   2 A  310  GLN ASP ILE LEU LEU LEU ASP GLY ALA MET ALA THR GLU          
SEQRES   3 A  310  LEU GLU ALA ARG GLY CYS ASN LEU ALA ASP SER LEU TRP          
SEQRES   4 A  310  SER ALA LYS VAL LEU VAL GLU ASN PRO GLU LEU ILE ARG          
SEQRES   5 A  310  GLU VAL HIS LEU ASP TYR TYR ARG ALA GLY ALA GLN CYS          
SEQRES   6 A  310  ALA ILE THR ALA SER TYR GLN ALA THR PRO ALA GLY PHE          
SEQRES   7 A  310  ALA ALA ARG GLY LEU ASP GLU ALA GLN SER LYS ALA LEU          
SEQRES   8 A  310  ILE GLY LYS SER VAL GLU LEU ALA ARG LYS ALA ARG GLU          
SEQRES   9 A  310  ALA TYR LEU ALA GLU ASN PRO GLN ALA GLY THR LEU LEU          
SEQRES  10 A  310  VAL ALA GLY SER VAL GLY PRO TYR GLY ALA TYR LEU ALA          
SEQRES  11 A  310  ASP GLY SER GLU TYR ARG GLY ASP TYR HIS CYS SER VAL          
SEQRES  12 A  310  GLU ALA PHE GLN ALA PHE HIS ARG PRO ARG VAL GLU ALA          
SEQRES  13 A  310  LEU LEU ASP ALA GLY ALA ASP LEU LEU ALA CYS GLU THR          
SEQRES  14 A  310  LEU PRO ASN PHE SER GLU ILE GLU ALA LEU ALA GLU LEU          
SEQRES  15 A  310  LEU THR ALA TYR PRO ARG ALA ARG ALA TRP PHE SER PHE          
SEQRES  16 A  310  THR LEU ARG ASP SER GLU HIS LEU SER ASP GLY THR PRO          
SEQRES  17 A  310  LEU ARG ASP VAL VAL ALA LEU LEU ALA GLY TYR PRO GLN          
SEQRES  18 A  310  VAL VAL ALA LEU GLY ILE ASN CYS ILE ALA LEU GLU ASN          
SEQRES  19 A  310  THR THR ALA ALA LEU GLN HIS LEU HIS GLY LEU THR VAL          
SEQRES  20 A  310  LEU PRO LEU VAL VAL TYR PRO ASN SER GLY GLU HIS TYR          
SEQRES  21 A  310  ASP ALA VAL SER LYS THR TRP HIS HIS HIS GLY GLU HIS          
SEQRES  22 A  310  CYS ALA GLN LEU ALA ASP TYR LEU PRO GLN TRP GLN ALA          
SEQRES  23 A  310  ALA GLY ALA ARG LEU ILE GLY GLY CYS CYS ARG THR THR          
SEQRES  24 A  310  PRO ALA ASP ILE ALA ALA LEU LYS ALA ARG SER                  
HET     ZN  A 501       1                                                       
HET     ZN  A 502       1                                                       
HET     ZN  A 503       1                                                       
HET    BME  A 504       4                                                       
HET    HCS  A 505       8                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM     BME BETA-MERCAPTOETHANOL                                             
HETNAM     HCS 2-AMINO-4-MERCAPTO-BUTYRIC ACID                                  
HETSYN     HCS L-HOMOCYSTEINE                                                   
FORMUL   2   ZN    3(ZN 2+)                                                     
FORMUL   5  BME    C2 H6 O S                                                    
FORMUL   6  HCS    C4 H9 N O2 S                                                 
FORMUL   7  HOH   *180(H2 O)                                                    
HELIX    1 AA1 LEU A    7  ASP A   12  1                                   6    
HELIX    2 AA2 MET A   23  ARG A   30  1                                   8    
HELIX    3 AA3 LEU A   38  ASN A   47  1                                  10    
HELIX    4 AA4 ASN A   47  GLY A   62  1                                  16    
HELIX    5 AA5 THR A   74  ALA A   79  1                                   6    
HELIX    6 AA6 ALA A   80  GLY A   82  5                                   3    
HELIX    7 AA7 ASP A   84  ASN A  110  1                                  27    
HELIX    8 AA8 PRO A  111  GLY A  114  5                                   4    
HELIX    9 AA9 PRO A  124  ALA A  130  1                                   7    
HELIX   10 AB1 SER A  142  ALA A  160  1                                  19    
HELIX   11 AB2 ASN A  172  THR A  184  1                                  13    
HELIX   12 AB3 PRO A  208  GLY A  218  1                                  11    
HELIX   13 AB4 ALA A  231  GLU A  233  5                                   3    
HELIX   14 AB5 ASN A  234  GLY A  244  1                                  11    
HELIX   15 AB6 GLN A  276  ASP A  279  5                                   4    
HELIX   16 AB7 TYR A  280  ALA A  287  1                                   8    
HELIX   17 AB8 THR A  299  SER A  310  1                                  12    
SHEET    1 AA1 8 LEU A  17  LEU A  18  0                                        
SHEET    2 AA1 8 ALA A 289  ILE A 292  1  O  ARG A 290   N  LEU A  17           
SHEET    3 AA1 8 LEU A 250  TYR A 253  1  N  LEU A 250   O  ARG A 290           
SHEET    4 AA1 8 VAL A 222  ASN A 228  1  N  LEU A 225   O  VAL A 251           
SHEET    5 AA1 8 ALA A 191  PHE A 195  1  N  PHE A 195   O  GLY A 226           
SHEET    6 AA1 8 LEU A 164  LEU A 170  1  N  CYS A 167   O  SER A 194           
SHEET    7 AA1 8 LEU A 117  VAL A 122  1  N  VAL A 122   O  ALA A 166           
SHEET    8 AA1 8 CYS A  65  ILE A  67  1  N  ALA A  66   O  ALA A 119           
SHEET    1 AA2 2 LEU A 197  ASP A 199  0                                        
SHEET    2 AA2 2 HIS A 202  LEU A 203 -1  O  HIS A 202   N  ARG A 198           
LINK         SG  CYS A 296                 S2  BME A 504     1555   1555  2.03  
LINK         OE1 GLU A 104                ZN    ZN A 502     1555   6555  2.66  
LINK         OE2 GLU A 104                ZN    ZN A 502     1555   6555  1.86  
LINK         OE2 GLU A 109                ZN    ZN A 503     1555   8455  1.95  
LINK         OD1 ASP A 138                ZN    ZN A 502     1555   1555  2.04  
LINK         NE2 HIS A 140                ZN    ZN A 502     1555   1555  2.03  
LINK         OE1 GLU A 144                ZN    ZN A 503     1555   1555  2.08  
LINK         SG  CYS A 229                ZN    ZN A 501     1555   1555  2.55  
LINK         SG  CYS A 295                ZN    ZN A 501     1555   1555  2.00  
LINK        ZN    ZN A 501                 SD  HCS A 505     1555   1555  2.83  
LINK        ZN    ZN A 503                 O   HOH A 738     1555   1555  2.52  
LINK        ZN    ZN A 503                 O   HOH A 741     1555   1555  2.10  
SITE     1 AC1  5 CYS A 229  ASN A 255  CYS A 295  CYS A 296                    
SITE     2 AC1  5 HCS A 505                                                     
SITE     1 AC2  4 GLU A 104  ASP A 138  HIS A 140  HOH A 745                    
SITE     1 AC3  4 GLU A 109  GLU A 144  HOH A 738  HOH A 741                    
SITE     1 AC4  3 ALA A  24  CYS A 296  ARG A 297                               
SITE     1 AC5  8 ILE A  67  TYR A  71  SER A 121  GLU A 168                    
SITE     2 AC5  8 THR A 169  CYS A 229   ZN A 501  HOH A 606                    
CRYST1   78.949   85.924   87.662  90.00  90.00  90.00 I 2 2 2       8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.012666  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011638  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011407        0.00000