PDB Short entry for 4L0D
HEADER    LYASE                                   31-MAY-13   4L0D              
TITLE     CRYSTAL STRUCTURE OF DELTA516-525 HUMAN CYSTATHIONINE BETA-SYNTHASE   
TITLE    2 CONTAINING C-TERMINAL 6XHIS-TAG                                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CYSTATHIONINE BETA-SYNTHASE;                               
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: BETA-THIONASE, SERINE SULFHYDRASE;                          
COMPND   5 EC: 4.2.1.22;                                                        
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: CBS;                                                           
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)                                  
KEYWDS    CBS DOMAIN, HOMOCYTEINE, CYSTEINE BIOSYNTHESIS, HEME, PYRIDOXAL 5'-   
KEYWDS   2 PHOSPHATE, S-ADENOSYLMETHIONINE, TRANSSULFURATION PATHWAY, LYASE     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.ERENO,T.MAJTAN,I.OYENARTE,J.P.KRAUS,L.A.MARTINEZ-CRUZ               
REVDAT   3   16-OCT-13 4L0D    1       JRNL                                     
REVDAT   2   02-OCT-13 4L0D    1       JRNL                                     
REVDAT   1   18-SEP-13 4L0D    0                                                
JRNL        AUTH   J.ERENO-ORBEA,T.MAJTAN,I.OYENARTE,J.P.KRAUS,                 
JRNL        AUTH 2 L.A.MARTINEZ-CRUZ                                            
JRNL        TITL   STRUCTURAL BASIS OF REGULATION AND OLIGOMERIZATION OF HUMAN  
JRNL        TITL 2 CYSTATHIONINE BETA-SYNTHASE, THE CENTRAL ENZYME OF           
JRNL        TITL 3 TRANSSULFURATION.                                            
JRNL        REF    PROC.NATL.ACAD.SCI.USA        V. 110 E3790 2013              
JRNL        REFN                   ISSN 0027-8424                               
JRNL        PMID   24043838                                                     
JRNL        DOI    10.1073/PNAS.1313683110                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.97 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE: 1.8.1_1168)                   
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VICENT CHEN,IAN             
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-                     
REMARK   3               : KUNSTLEVE,LI-WEI HUNG,ROBERT IMMORMINO,              
REMARK   3               : TOM IOERGER,AIRLIE MCCOY,ERIK MCKEE,NIGEL            
REMARK   3               : MORIARTY,REETAL PAI,RANDY READ,JANE                  
REMARK   3               : RICHARDSON,DAVID RICHARDSON,TOD ROMO,JIM             
REMARK   3               : SACCHETTINI,NICHOLAS SAUTER,JACOB SMITH,             
REMARK   3               : LAURENT STORONI,TOM TERWILLIGER,PETER                
REMARK   3               : ZWART                                                
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.97                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 53.06                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.090                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 95.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 29328                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.242                           
REMARK   3   R VALUE            (WORKING SET) : 0.240                           
REMARK   3   FREE R VALUE                     : 0.284                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1495                            
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 53.0708 -  8.0529    0.89     2458   114  0.1579 0.1851        
REMARK   3     2  8.0529 -  6.3953    0.93     2531   153  0.1825 0.2285        
REMARK   3     3  6.3953 -  5.5879    0.96     2601   160  0.2006 0.2502        
REMARK   3     4  5.5879 -  5.0774    0.97     2639   156  0.1998 0.2434        
REMARK   3     5  5.0774 -  4.7138    0.97     2659   130  0.1919 0.2718        
REMARK   3     6  4.7138 -  4.4360    0.94     2563   124  0.2085 0.2694        
REMARK   3     7  4.4360 -  4.2139    0.94     2573   123  0.2253 0.2931        
REMARK   3     8  4.2139 -  4.0306    0.96     2579   144  0.2274 0.2187        
REMARK   3     9  4.0306 -  3.8754    0.95     2610   125  0.2440 0.3259        
REMARK   3    10  3.8754 -  3.7417    0.97     2628   165  0.2538 0.2890        
REMARK   3    11  3.7417 -  3.6248    0.96     2617   140  0.3085 0.3387        
REMARK   3    12  3.6248 -  3.5212    0.99     2716   145  0.2800 0.3354        
REMARK   3    13  3.5212 -  3.4285    0.97     2644   114  0.3035 0.3185        
REMARK   3    14  3.4285 -  3.3449    0.97     2652   147  0.3187 0.3910        
REMARK   3    15  3.3449 -  3.2688    0.98     2639   124  0.3126 0.3308        
REMARK   3    16  3.2688 -  3.1993    0.94     2578   131  0.3581 0.4329        
REMARK   3    17  3.1993 -  3.1353    0.97     2613   162  0.3525 0.3890        
REMARK   3    18  3.1353 -  3.0761    0.96     2617   150  0.3750 0.3537        
REMARK   3    19  3.0761 -  3.0212    0.96     2612   135  0.3771 0.4703        
REMARK   3    20  3.0212 -  2.9700    0.91     2477   152  0.3876 0.3823        
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)     : 0.460            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 33.310           
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           7894                                  
REMARK   3   ANGLE     :  1.087          10744                                  
REMARK   3   CHIRALITY :  0.071           1213                                  
REMARK   3   PLANARITY :  0.005           1367                                  
REMARK   3   DIHEDRAL  : 13.466           2915                                  
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 4L0D COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-JUN-13.                  
REMARK 100 THE RCSB ID CODE IS RCSB080021.                                      
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 26-NOV-11                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID23-2                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9793                             
REMARK 200  MONOCHROMATOR                  : SI(111)                            
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARMOSAIC 225 MM CCD               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 29364                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.970                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 53.062                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.8                               
REMARK 200  DATA REDUNDANCY                : 3.700                              
REMARK 200  R MERGE                    (I) : 0.09000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 9.3700                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.97                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.02                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 95.3                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.60                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.45000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.160                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: PDB ENTRIES 1JBQ AND 3KPC                            
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 58.41                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.96                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1 M SODIUM ACETATE, 0.1 M HEPES, PH      
REMARK 280  7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K                
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       62.18250            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       68.10150            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       84.65350            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       62.18250            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       68.10150            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       84.65350            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       62.18250            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       68.10150            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       84.65350            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       62.18250            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       68.10150            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       84.65350            
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 10670 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 39030 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -79.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A     1                                                      
REMARK 465     GLY A     2                                                      
REMARK 465     SER A     3                                                      
REMARK 465     GLU A     4                                                      
REMARK 465     THR A     5                                                      
REMARK 465     PRO A     6                                                      
REMARK 465     GLN A     7                                                      
REMARK 465     ALA A     8                                                      
REMARK 465     GLU A     9                                                      
REMARK 465     VAL A    10                                                      
REMARK 465     GLY A    11                                                      
REMARK 465     PRO A    12                                                      
REMARK 465     THR A    13                                                      
REMARK 465     GLY A    14                                                      
REMARK 465     CYS A    15                                                      
REMARK 465     PRO A    16                                                      
REMARK 465     HIS A    17                                                      
REMARK 465     ARG A    18                                                      
REMARK 465     SER A    19                                                      
REMARK 465     GLY A    20                                                      
REMARK 465     PRO A    21                                                      
REMARK 465     HIS A    22                                                      
REMARK 465     SER A    23                                                      
REMARK 465     ALA A    24                                                      
REMARK 465     LYS A    25                                                      
REMARK 465     GLY A    26                                                      
REMARK 465     SER A    27                                                      
REMARK 465     LEU A    28                                                      
REMARK 465     GLU A    29                                                      
REMARK 465     LYS A    30                                                      
REMARK 465     GLY A    31                                                      
REMARK 465     SER A    32                                                      
REMARK 465     PRO A    33                                                      
REMARK 465     GLU A    34                                                      
REMARK 465     ASP A    35                                                      
REMARK 465     LYS A    36                                                      
REMARK 465     GLU A    37                                                      
REMARK 465     ALA A    38                                                      
REMARK 465     LYS A    39                                                      
REMARK 465     GLU A    40                                                      
REMARK 465     LEU A   402                                                      
REMARK 465     GLN A   525                                                      
REMARK 465     GLN A   526                                                      
REMARK 465     ARG A   527                                                      
REMARK 465     LYS A   551                                                      
REMARK 465     GLU A   552                                                      
REMARK 465     LEU A   553                                                      
REMARK 465     HIS A   554                                                      
REMARK 465     HIS A   555                                                      
REMARK 465     HIS A   556                                                      
REMARK 465     HIS A   557                                                      
REMARK 465     HIS A   558                                                      
REMARK 465     HIS A   559                                                      
REMARK 465     MET B     1                                                      
REMARK 465     GLY B     2                                                      
REMARK 465     SER B     3                                                      
REMARK 465     GLU B     4                                                      
REMARK 465     THR B     5                                                      
REMARK 465     PRO B     6                                                      
REMARK 465     GLN B     7                                                      
REMARK 465     ALA B     8                                                      
REMARK 465     GLU B     9                                                      
REMARK 465     VAL B    10                                                      
REMARK 465     GLY B    11                                                      
REMARK 465     PRO B    12                                                      
REMARK 465     THR B    13                                                      
REMARK 465     GLY B    14                                                      
REMARK 465     CYS B    15                                                      
REMARK 465     PRO B    16                                                      
REMARK 465     HIS B    17                                                      
REMARK 465     ARG B    18                                                      
REMARK 465     SER B    19                                                      
REMARK 465     GLY B    20                                                      
REMARK 465     PRO B    21                                                      
REMARK 465     HIS B    22                                                      
REMARK 465     SER B    23                                                      
REMARK 465     ALA B    24                                                      
REMARK 465     LYS B    25                                                      
REMARK 465     GLY B    26                                                      
REMARK 465     SER B    27                                                      
REMARK 465     LEU B    28                                                      
REMARK 465     GLU B    29                                                      
REMARK 465     LYS B    30                                                      
REMARK 465     GLY B    31                                                      
REMARK 465     SER B    32                                                      
REMARK 465     PRO B    33                                                      
REMARK 465     GLU B    34                                                      
REMARK 465     ASP B    35                                                      
REMARK 465     LYS B    36                                                      
REMARK 465     GLU B    37                                                      
REMARK 465     ALA B    38                                                      
REMARK 465     LYS B    39                                                      
REMARK 465     GLU B    40                                                      
REMARK 465     GLN B   525                                                      
REMARK 465     GLN B   526                                                      
REMARK 465     ARG B   527                                                      
REMARK 465     GLN B   550                                                      
REMARK 465     LYS B   551                                                      
REMARK 465     GLU B   552                                                      
REMARK 465     LEU B   553                                                      
REMARK 465     HIS B   554                                                      
REMARK 465     HIS B   555                                                      
REMARK 465     HIS B   556                                                      
REMARK 465     HIS B   557                                                      
REMARK 465     HIS B   558                                                      
REMARK 465     HIS B   559                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     ASN A 194    CG   OD1  ND2                                       
REMARK 470     LYS A 398    CG   CD   CE   NZ                                   
REMARK 470     GLU A 399    CG   CD   OE1  OE2                                  
REMARK 470     GLU A 400    CG   CD   OE1  OE2                                  
REMARK 470     ASP A 401    CG   OD1  OD2                                       
REMARK 470     THR A 403    OG1  CG2                                            
REMARK 470     GLU A 404    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 405    CG   CD   CE   NZ                                   
REMARK 470     LYS A 406    CG   CD   CE   NZ                                   
REMARK 470     GLU A 451    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 481    N                                                   
REMARK 470     GLU A 514    CG   CD   OE1  OE2                                  
REMARK 470     ASP A 549    CG   OD1  OD2                                       
REMARK 470     ASN B 194    CG   OD1  ND2                                       
REMARK 470     LYS B 398    CG   CD   CE   NZ                                   
REMARK 470     GLU B 399    CG   CD   OE1  OE2                                  
REMARK 470     GLU B 400    CG   CD   OE1  OE2                                  
REMARK 470     ASP B 401    CG   OD1  OD2                                       
REMARK 470     LEU B 402    CG   CD1  CD2                                       
REMARK 470     THR B 403    OG1  CG2                                            
REMARK 470     GLU B 404    CG   CD   OE1  OE2                                  
REMARK 470     LYS B 405    CG   CD   CE   NZ                                   
REMARK 470     LYS B 406    CG   CD   CE   NZ                                   
REMARK 470     GLU B 514    CG   CD   OE1  OE2                                  
REMARK 470     ASP B 549    CG   OD1  OD2                                       
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   NH1  ARG A   413     O    THR A   493              1.89            
REMARK 500   OE2  GLU B   110     NE   ARG B   121              2.14            
REMARK 500   NE   ARG A    58     OE1  GLU A    62              2.16            
REMARK 500   O    ARG A   196     OG   SER A   199              2.19            
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    ASP A 221       72.16     59.38                                   
REMARK 500    THR A 235      -67.35   -108.01                                   
REMARK 500    ASP A 245       -4.91     70.46                                   
REMARK 500    ASP A 249      -63.10   -104.38                                   
REMARK 500    LYS A 384      -79.53   -106.91                                   
REMARK 500    LEU A 419     -139.50     50.59                                   
REMARK 500    SER A 420      163.30    176.18                                   
REMARK 500    ASP B 221       73.27     59.02                                   
REMARK 500    THR B 235      -67.14   -108.23                                   
REMARK 500    ASP B 245       -4.18     70.71                                   
REMARK 500    ASP B 249      -62.07   -104.77                                   
REMARK 500    LYS B 384      -79.77   -106.98                                   
REMARK 500    LEU B 419     -139.19     50.90                                   
REMARK 500    SER B 420      162.21    177.00                                   
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                             HEM B 602  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS B  65   NE2                                                    
REMARK 620 2 HEM B 602   NA   90.0                                              
REMARK 620 3 HEM B 602   NB   90.0  90.2                                        
REMARK 620 4 HEM B 602   NC   89.9 178.2  91.6                                  
REMARK 620 5 HEM B 602   ND   90.0  90.9 178.9  87.3                            
REMARK 620 6 CYS B  52   SG  179.9  90.1  90.0  90.0  90.0                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM A 602  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  65   NE2                                                    
REMARK 620 2 HEM A 602   NA   90.0                                              
REMARK 620 3 HEM A 602   NB   90.0  90.4                                        
REMARK 620 4 HEM A 602   NC   90.0 178.0  91.6                                  
REMARK 620 5 HEM A 602   ND   90.0  90.7 178.9  87.3                            
REMARK 620 6 CYS A  52   SG  180.0  90.0  90.0  89.9  90.1                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP A 601                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 602                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP B 601                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 602                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1JBQ   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4L27   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4L28   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4L3V   RELATED DB: PDB                                   
DBREF  4L0D A    1   551  UNP    P35520   CBS_HUMAN        1    551             
DBREF  4L0D B    1   551  UNP    P35520   CBS_HUMAN        1    551             
SEQADV 4L0D GLY A    2  UNP  P35520    PRO     2 ENGINEERED MUTATION            
SEQADV 4L0D     A       UNP  P35520    ILE   516 DELETION                       
SEQADV 4L0D     A       UNP  P35520    GLN   517 DELETION                       
SEQADV 4L0D     A       UNP  P35520    TYR   518 DELETION                       
SEQADV 4L0D     A       UNP  P35520    HIS   519 DELETION                       
SEQADV 4L0D     A       UNP  P35520    SER   520 DELETION                       
SEQADV 4L0D     A       UNP  P35520    THR   521 DELETION                       
SEQADV 4L0D     A       UNP  P35520    GLY   522 DELETION                       
SEQADV 4L0D     A       UNP  P35520    LYS   523 DELETION                       
SEQADV 4L0D     A       UNP  P35520    SER   524 DELETION                       
SEQADV 4L0D     A       UNP  P35520    SER   525 DELETION                       
SEQADV 4L0D GLU A  552  UNP  P35520              EXPRESSION TAG                 
SEQADV 4L0D LEU A  553  UNP  P35520              EXPRESSION TAG                 
SEQADV 4L0D HIS A  554  UNP  P35520              EXPRESSION TAG                 
SEQADV 4L0D HIS A  555  UNP  P35520              EXPRESSION TAG                 
SEQADV 4L0D HIS A  556  UNP  P35520              EXPRESSION TAG                 
SEQADV 4L0D HIS A  557  UNP  P35520              EXPRESSION TAG                 
SEQADV 4L0D HIS A  558  UNP  P35520              EXPRESSION TAG                 
SEQADV 4L0D HIS A  559  UNP  P35520              EXPRESSION TAG                 
SEQADV 4L0D GLY B    2  UNP  P35520    PRO     2 ENGINEERED MUTATION            
SEQADV 4L0D     B       UNP  P35520    ILE   516 DELETION                       
SEQADV 4L0D     B       UNP  P35520    GLN   517 DELETION                       
SEQADV 4L0D     B       UNP  P35520    TYR   518 DELETION                       
SEQADV 4L0D     B       UNP  P35520    HIS   519 DELETION                       
SEQADV 4L0D     B       UNP  P35520    SER   520 DELETION                       
SEQADV 4L0D     B       UNP  P35520    THR   521 DELETION                       
SEQADV 4L0D     B       UNP  P35520    GLY   522 DELETION                       
SEQADV 4L0D     B       UNP  P35520    LYS   523 DELETION                       
SEQADV 4L0D     B       UNP  P35520    SER   524 DELETION                       
SEQADV 4L0D     B       UNP  P35520    SER   525 DELETION                       
SEQADV 4L0D GLU B  552  UNP  P35520              EXPRESSION TAG                 
SEQADV 4L0D LEU B  553  UNP  P35520              EXPRESSION TAG                 
SEQADV 4L0D HIS B  554  UNP  P35520              EXPRESSION TAG                 
SEQADV 4L0D HIS B  555  UNP  P35520              EXPRESSION TAG                 
SEQADV 4L0D HIS B  556  UNP  P35520              EXPRESSION TAG                 
SEQADV 4L0D HIS B  557  UNP  P35520              EXPRESSION TAG                 
SEQADV 4L0D HIS B  558  UNP  P35520              EXPRESSION TAG                 
SEQADV 4L0D HIS B  559  UNP  P35520              EXPRESSION TAG                 
SEQRES   1 A  549  MET GLY SER GLU THR PRO GLN ALA GLU VAL GLY PRO THR          
SEQRES   2 A  549  GLY CYS PRO HIS ARG SER GLY PRO HIS SER ALA LYS GLY          
SEQRES   3 A  549  SER LEU GLU LYS GLY SER PRO GLU ASP LYS GLU ALA LYS          
SEQRES   4 A  549  GLU PRO LEU TRP ILE ARG PRO ASP ALA PRO SER ARG CYS          
SEQRES   5 A  549  THR TRP GLN LEU GLY ARG PRO ALA SER GLU SER PRO HIS          
SEQRES   6 A  549  HIS HIS THR ALA PRO ALA LYS SER PRO LYS ILE LEU PRO          
SEQRES   7 A  549  ASP ILE LEU LYS LYS ILE GLY ASP THR PRO MET VAL ARG          
SEQRES   8 A  549  ILE ASN LYS ILE GLY LYS LYS PHE GLY LEU LYS CYS GLU          
SEQRES   9 A  549  LEU LEU ALA LYS CYS GLU PHE PHE ASN ALA GLY GLY SER          
SEQRES  10 A  549  VAL LYS ASP ARG ILE SER LEU ARG MET ILE GLU ASP ALA          
SEQRES  11 A  549  GLU ARG ASP GLY THR LEU LYS PRO GLY ASP THR ILE ILE          
SEQRES  12 A  549  GLU PRO THR SER GLY ASN THR GLY ILE GLY LEU ALA LEU          
SEQRES  13 A  549  ALA ALA ALA VAL ARG GLY TYR ARG CYS ILE ILE VAL MET          
SEQRES  14 A  549  PRO GLU LYS MET SER SER GLU LYS VAL ASP VAL LEU ARG          
SEQRES  15 A  549  ALA LEU GLY ALA GLU ILE VAL ARG THR PRO THR ASN ALA          
SEQRES  16 A  549  ARG PHE ASP SER PRO GLU SER HIS VAL GLY VAL ALA TRP          
SEQRES  17 A  549  ARG LEU LYS ASN GLU ILE PRO ASN SER HIS ILE LEU ASP          
SEQRES  18 A  549  GLN TYR ARG ASN ALA SER ASN PRO LEU ALA HIS TYR ASP          
SEQRES  19 A  549  THR THR ALA ASP GLU ILE LEU GLN GLN CYS ASP GLY LYS          
SEQRES  20 A  549  LEU ASP MET LEU VAL ALA SER VAL GLY THR GLY GLY THR          
SEQRES  21 A  549  ILE THR GLY ILE ALA ARG LYS LEU LYS GLU LYS CYS PRO          
SEQRES  22 A  549  GLY CYS ARG ILE ILE GLY VAL ASP PRO GLU GLY SER ILE          
SEQRES  23 A  549  LEU ALA GLU PRO GLU GLU LEU ASN GLN THR GLU GLN THR          
SEQRES  24 A  549  THR TYR GLU VAL GLU GLY ILE GLY TYR ASP PHE ILE PRO          
SEQRES  25 A  549  THR VAL LEU ASP ARG THR VAL VAL ASP LYS TRP PHE LYS          
SEQRES  26 A  549  SER ASN ASP GLU GLU ALA PHE THR PHE ALA ARG MET LEU          
SEQRES  27 A  549  ILE ALA GLN GLU GLY LEU LEU CYS GLY GLY SER ALA GLY          
SEQRES  28 A  549  SER THR VAL ALA VAL ALA VAL LYS ALA ALA GLN GLU LEU          
SEQRES  29 A  549  GLN GLU GLY GLN ARG CYS VAL VAL ILE LEU PRO ASP SER          
SEQRES  30 A  549  VAL ARG ASN TYR MET THR LYS PHE LEU SER ASP ARG TRP          
SEQRES  31 A  549  MET LEU GLN LYS GLY PHE LEU LYS GLU GLU ASP LEU THR          
SEQRES  32 A  549  GLU LYS LYS PRO TRP TRP TRP HIS LEU ARG VAL GLN GLU          
SEQRES  33 A  549  LEU GLY LEU SER ALA PRO LEU THR VAL LEU PRO THR ILE          
SEQRES  34 A  549  THR CYS GLY HIS THR ILE GLU ILE LEU ARG GLU LYS GLY          
SEQRES  35 A  549  PHE ASP GLN ALA PRO VAL VAL ASP GLU ALA GLY VAL ILE          
SEQRES  36 A  549  LEU GLY MET VAL THR LEU GLY ASN MET LEU SER SER LEU          
SEQRES  37 A  549  LEU ALA GLY LYS VAL GLN PRO SER ASP GLN VAL GLY LYS          
SEQRES  38 A  549  VAL ILE TYR LYS GLN PHE LYS GLN ILE ARG LEU THR ASP          
SEQRES  39 A  549  THR LEU GLY ARG LEU SER HIS ILE LEU GLU MET ASP HIS          
SEQRES  40 A  549  PHE ALA LEU VAL VAL HIS GLU GLN GLN ARG GLN MET VAL          
SEQRES  41 A  549  PHE GLY VAL VAL THR ALA ILE ASP LEU LEU ASN PHE VAL          
SEQRES  42 A  549  ALA ALA GLN GLU ARG ASP GLN LYS GLU LEU HIS HIS HIS          
SEQRES  43 A  549  HIS HIS HIS                                                  
SEQRES   1 B  549  MET GLY SER GLU THR PRO GLN ALA GLU VAL GLY PRO THR          
SEQRES   2 B  549  GLY CYS PRO HIS ARG SER GLY PRO HIS SER ALA LYS GLY          
SEQRES   3 B  549  SER LEU GLU LYS GLY SER PRO GLU ASP LYS GLU ALA LYS          
SEQRES   4 B  549  GLU PRO LEU TRP ILE ARG PRO ASP ALA PRO SER ARG CYS          
SEQRES   5 B  549  THR TRP GLN LEU GLY ARG PRO ALA SER GLU SER PRO HIS          
SEQRES   6 B  549  HIS HIS THR ALA PRO ALA LYS SER PRO LYS ILE LEU PRO          
SEQRES   7 B  549  ASP ILE LEU LYS LYS ILE GLY ASP THR PRO MET VAL ARG          
SEQRES   8 B  549  ILE ASN LYS ILE GLY LYS LYS PHE GLY LEU LYS CYS GLU          
SEQRES   9 B  549  LEU LEU ALA LYS CYS GLU PHE PHE ASN ALA GLY GLY SER          
SEQRES  10 B  549  VAL LYS ASP ARG ILE SER LEU ARG MET ILE GLU ASP ALA          
SEQRES  11 B  549  GLU ARG ASP GLY THR LEU LYS PRO GLY ASP THR ILE ILE          
SEQRES  12 B  549  GLU PRO THR SER GLY ASN THR GLY ILE GLY LEU ALA LEU          
SEQRES  13 B  549  ALA ALA ALA VAL ARG GLY TYR ARG CYS ILE ILE VAL MET          
SEQRES  14 B  549  PRO GLU LYS MET SER SER GLU LYS VAL ASP VAL LEU ARG          
SEQRES  15 B  549  ALA LEU GLY ALA GLU ILE VAL ARG THR PRO THR ASN ALA          
SEQRES  16 B  549  ARG PHE ASP SER PRO GLU SER HIS VAL GLY VAL ALA TRP          
SEQRES  17 B  549  ARG LEU LYS ASN GLU ILE PRO ASN SER HIS ILE LEU ASP          
SEQRES  18 B  549  GLN TYR ARG ASN ALA SER ASN PRO LEU ALA HIS TYR ASP          
SEQRES  19 B  549  THR THR ALA ASP GLU ILE LEU GLN GLN CYS ASP GLY LYS          
SEQRES  20 B  549  LEU ASP MET LEU VAL ALA SER VAL GLY THR GLY GLY THR          
SEQRES  21 B  549  ILE THR GLY ILE ALA ARG LYS LEU LYS GLU LYS CYS PRO          
SEQRES  22 B  549  GLY CYS ARG ILE ILE GLY VAL ASP PRO GLU GLY SER ILE          
SEQRES  23 B  549  LEU ALA GLU PRO GLU GLU LEU ASN GLN THR GLU GLN THR          
SEQRES  24 B  549  THR TYR GLU VAL GLU GLY ILE GLY TYR ASP PHE ILE PRO          
SEQRES  25 B  549  THR VAL LEU ASP ARG THR VAL VAL ASP LYS TRP PHE LYS          
SEQRES  26 B  549  SER ASN ASP GLU GLU ALA PHE THR PHE ALA ARG MET LEU          
SEQRES  27 B  549  ILE ALA GLN GLU GLY LEU LEU CYS GLY GLY SER ALA GLY          
SEQRES  28 B  549  SER THR VAL ALA VAL ALA VAL LYS ALA ALA GLN GLU LEU          
SEQRES  29 B  549  GLN GLU GLY GLN ARG CYS VAL VAL ILE LEU PRO ASP SER          
SEQRES  30 B  549  VAL ARG ASN TYR MET THR LYS PHE LEU SER ASP ARG TRP          
SEQRES  31 B  549  MET LEU GLN LYS GLY PHE LEU LYS GLU GLU ASP LEU THR          
SEQRES  32 B  549  GLU LYS LYS PRO TRP TRP TRP HIS LEU ARG VAL GLN GLU          
SEQRES  33 B  549  LEU GLY LEU SER ALA PRO LEU THR VAL LEU PRO THR ILE          
SEQRES  34 B  549  THR CYS GLY HIS THR ILE GLU ILE LEU ARG GLU LYS GLY          
SEQRES  35 B  549  PHE ASP GLN ALA PRO VAL VAL ASP GLU ALA GLY VAL ILE          
SEQRES  36 B  549  LEU GLY MET VAL THR LEU GLY ASN MET LEU SER SER LEU          
SEQRES  37 B  549  LEU ALA GLY LYS VAL GLN PRO SER ASP GLN VAL GLY LYS          
SEQRES  38 B  549  VAL ILE TYR LYS GLN PHE LYS GLN ILE ARG LEU THR ASP          
SEQRES  39 B  549  THR LEU GLY ARG LEU SER HIS ILE LEU GLU MET ASP HIS          
SEQRES  40 B  549  PHE ALA LEU VAL VAL HIS GLU GLN GLN ARG GLN MET VAL          
SEQRES  41 B  549  PHE GLY VAL VAL THR ALA ILE ASP LEU LEU ASN PHE VAL          
SEQRES  42 B  549  ALA ALA GLN GLU ARG ASP GLN LYS GLU LEU HIS HIS HIS          
SEQRES  43 B  549  HIS HIS HIS                                                  
HET    PLP  A 601      15                                                       
HET    HEM  A 602      43                                                       
HET    PLP  B 601      15                                                       
HET    HEM  B 602      43                                                       
HETNAM     PLP PYRIDOXAL-5'-PHOSPHATE                                           
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETSYN     PLP VITAMIN B6 PHOSPHATE                                             
HETSYN     HEM HEME                                                             
FORMUL   3  PLP    2(C8 H10 N O6 P)                                             
FORMUL   4  HEM    2(C34 H32 FE N4 O4)                                          
HELIX    1   1 PRO A   59  SER A   63  5                                   5    
HELIX    2   2 ASP A   79  ILE A   84  5                                   6    
HELIX    3   3 ASN A   93  PHE A   99  1                                   7    
HELIX    4   4 PHE A  111  ASN A  113  5                                   3    
HELIX    5   5 VAL A  118  ASP A  133  1                                  16    
HELIX    6   6 GLY A  148  GLY A  162  1                                  15    
HELIX    7   7 SER A  174  LEU A  184  1                                  11    
HELIX    8   8 SER A  202  ILE A  214  1                                  13    
HELIX    9   9 ALA A  226  THR A  235  1                                  10    
HELIX   10  10 THR A  235  CYS A  244  1                                  10    
HELIX   11  11 GLY A  258  CYS A  272  1                                  15    
HELIX   12  12 PRO A  290  GLN A  295  5                                   6    
HELIX   13  13 ASP A  316  VAL A  320  5                                   5    
HELIX   14  14 ASN A  327  GLY A  343  1                                  17    
HELIX   15  15 GLY A  347  ALA A  361  1                                  15    
HELIX   16  16 GLN A  362  LEU A  364  5                                   3    
HELIX   17  17 SER A  377  TYR A  381  5                                   5    
HELIX   18  18 SER A  387  LYS A  394  1                                   8    
HELIX   19  19 GLU A  400  ASP A  401  5                                   2    
HELIX   20  20 THR A  403  LYS A  405  5                                   3    
HELIX   21  21 PRO A  407  HIS A  411  5                                   5    
HELIX   22  22 ARG A  413  GLY A  418  5                                   6    
HELIX   23  23 THR A  430  GLY A  442  1                                  13    
HELIX   24  24 LEU A  461  ALA A  470  1                                  10    
HELIX   25  25 THR A  495  ASP A  506  1                                  12    
HELIX   26  26 THR A  535  ARG A  548  1                                  14    
HELIX   27  27 PRO B   59  SER B   63  5                                   5    
HELIX   28  28 ASP B   79  ILE B   84  5                                   6    
HELIX   29  29 ASN B   93  PHE B   99  1                                   7    
HELIX   30  30 PHE B  111  ASN B  113  5                                   3    
HELIX   31  31 VAL B  118  ASP B  133  1                                  16    
HELIX   32  32 GLY B  148  GLY B  162  1                                  15    
HELIX   33  33 SER B  174  GLY B  185  1                                  12    
HELIX   34  34 SER B  202  ILE B  214  1                                  13    
HELIX   35  35 ALA B  226  THR B  235  1                                  10    
HELIX   36  36 THR B  235  ASP B  245  1                                  11    
HELIX   37  37 GLY B  258  CYS B  272  1                                  15    
HELIX   38  38 PRO B  290  GLN B  295  5                                   6    
HELIX   39  39 ASP B  316  VAL B  320  5                                   5    
HELIX   40  40 ASN B  327  GLY B  343  1                                  17    
HELIX   41  41 GLY B  347  ALA B  361  1                                  15    
HELIX   42  42 GLN B  362  LEU B  364  5                                   3    
HELIX   43  43 SER B  387  LYS B  394  1                                   8    
HELIX   44  44 LYS B  398  LYS B  406  1                                   9    
HELIX   45  45 PRO B  407  HIS B  411  5                                   5    
HELIX   46  46 ARG B  413  GLY B  418  5                                   6    
HELIX   47  47 THR B  430  GLY B  442  1                                  13    
HELIX   48  48 LEU B  461  ALA B  470  1                                  10    
HELIX   49  49 GLN B  478  VAL B  482  5                                   5    
HELIX   50  50 THR B  495  ASP B  506  1                                  12    
HELIX   51  51 THR B  535  ASP B  549  1                                  15    
SHEET    1   A 7 ILE A  76  LEU A  77  0                                        
SHEET    2   A 7 MET B  89  ARG B  91  1  O  ARG B  91   N  LEU A  77           
SHEET    3   A 7 GLU B 104  CYS B 109 -1  O  ALA B 107   N  VAL B  90           
SHEET    4   A 7 ARG B 369  LEU B 374  1  O  VAL B 372   N  LYS B 108           
SHEET    5   A 7 MET B 250  SER B 254  1  N  VAL B 252   O  VAL B 371           
SHEET    6   A 7 ARG B 276  PRO B 282  1  O  ILE B 278   N  LEU B 251           
SHEET    7   A 7 LYS B 322  SER B 326  1  O  PHE B 324   N  ASP B 281           
SHEET    1   B 7 LYS A 322  SER A 326  0                                        
SHEET    2   B 7 ARG A 276  PRO A 282  1  N  ASP A 281   O  PHE A 324           
SHEET    3   B 7 MET A 250  SER A 254  1  N  LEU A 251   O  ILE A 278           
SHEET    4   B 7 ARG A 369  LEU A 374  1  O  VAL A 371   N  VAL A 252           
SHEET    5   B 7 GLU A 104  CYS A 109  1  N  GLU A 104   O  CYS A 370           
SHEET    6   B 7 MET A  89  ARG A  91 -1  N  VAL A  90   O  ALA A 107           
SHEET    7   B 7 ILE B  76  LEU B  77  1  O  LEU B  77   N  ARG A  91           
SHEET    1   C 4 GLU A 187  THR A 191  0                                        
SHEET    2   C 4 ARG A 164  PRO A 170  1  N  ILE A 167   O  GLU A 187           
SHEET    3   C 4 THR A 141  PRO A 145  1  N  ILE A 142   O  ARG A 164           
SHEET    4   C 4 SER A 217  HIS A 218  1  O  HIS A 218   N  THR A 141           
SHEET    1   D 2 GLN A 445  VAL A 448  0                                        
SHEET    2   D 2 GLY A 457  THR A 460 -1  O  VAL A 459   N  ALA A 446           
SHEET    1   E 3 LYS A 488  ILE A 490  0                                        
SHEET    2   E 3 ALA A 509  VAL A 512  1  O  VAL A 512   N  ILE A 490           
SHEET    3   E 3 VAL A 530  VAL A 534 -1  O  PHE A 531   N  VAL A 511           
SHEET    1   F 4 GLU B 187  THR B 191  0                                        
SHEET    2   F 4 ARG B 164  PRO B 170  1  N  ILE B 167   O  GLU B 187           
SHEET    3   F 4 THR B 141  PRO B 145  1  N  ILE B 142   O  ARG B 164           
SHEET    4   F 4 SER B 217  HIS B 218  1  O  HIS B 218   N  ILE B 143           
SHEET    1   G 2 GLN B 445  VAL B 448  0                                        
SHEET    2   G 2 GLY B 457  THR B 460 -1  O  VAL B 459   N  ALA B 446           
SHEET    1   H 3 LYS B 488  ILE B 490  0                                        
SHEET    2   H 3 ALA B 509  VAL B 512  1  O  VAL B 512   N  ILE B 490           
SHEET    3   H 3 VAL B 530  VAL B 534 -1  O  PHE B 531   N  VAL B 511           
LINK         NE2 HIS B  65                FE   HEM B 602     1555   1555  2.05  
LINK         NE2 HIS A  65                FE   HEM A 602     1555   1555  2.07  
LINK         SG  CYS A  52                FE   HEM A 602     1555   1555  2.21  
LINK         SG  CYS B  52                FE   HEM B 602     1555   1555  2.22  
LINK         NZ  LYS A 119                 C4A PLP A 601     1555   1555  1.40  
LINK         NZ  LYS B 119                 C4A PLP B 601     1555   1555  1.42  
CISPEP   1 GLU A  289    PRO A  290          0        -2.19                     
CISPEP   2 GLU B  289    PRO B  290          0        -2.52                     
SITE     1 AC1 14 LYS A 119  ASN A 149  SER A 254  VAL A 255                    
SITE     2 AC1 14 GLY A 256  THR A 257  GLY A 258  GLY A 259                    
SITE     3 AC1 14 THR A 260  GLY A 305  ILE A 306  SER A 349                    
SITE     4 AC1 14 PRO A 375  ASP A 376                                          
SITE     1 AC2 10 ARG A  51  CYS A  52  THR A  53  TRP A  54                    
SITE     2 AC2 10 GLU A  62  PRO A  64  HIS A  65  ALA A 226                    
SITE     3 AC2 10 PRO A 229  ARG A 266                                          
SITE     1 AC3 13 LYS B 119  ASN B 149  VAL B 255  GLY B 256                    
SITE     2 AC3 13 THR B 257  GLY B 258  THR B 260  GLY B 305                    
SITE     3 AC3 13 ILE B 306  SER B 349  PRO B 375  ASP B 376                    
SITE     4 AC3 13 TYR B 381                                                     
SITE     1 AC4 11 ARG B  51  CYS B  52  THR B  53  TRP B  54                    
SITE     2 AC4 11 GLU B  62  SER B  63  PRO B  64  HIS B  65                    
SITE     3 AC4 11 ALA B 226  ARG B 266  VAL B 314                               
CRYST1  124.365  136.203  169.307  90.00  90.00  90.00 I 2 2 2      16          
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      0.008041  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.007342  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.005906        0.00000