HEADER    TRANSFERASE                             18-JUN-20   7CCY              
TITLE     CRYSTAL STRUCTURE OF THE 2-IODOPORPHOBILINOGEN-BOUND HOLO FORM OF     
TITLE    2 HUMAN HYDROXYMETHYLBILANE SYNTHASE                                   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PORPHOBILINOGEN DEAMINASE;                                 
COMPND   3 CHAIN: A, C;                                                         
COMPND   4 SYNONYM: PBG-D,HYDROXYMETHYLBILANE SYNTHASE,HMBS,PRE-UROPORPHYRINOGEN
COMPND   5 SYNTHASE;                                                            
COMPND   6 EC: 2.5.1.61;                                                        
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: HMBS, PBGD, UPS;                                               
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    PORPHYRIN SYNTHESIS, INHIBITOR, TRANSFERASE                           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.SATO,M.SUGISHIMA,K.WADA,K.HIRABAYASHI,M.TSUKAGUCHI                  
REVDAT   2   29-NOV-23 7CCY    1       REMARK                                   
REVDAT   1   17-MAR-21 7CCY    0                                                
JRNL        AUTH   H.SATO,M.SUGISHIMA,M.TSUKAGUCHI,T.MASUKO,M.IIJIMA,M.TAKANO,  
JRNL        AUTH 2 Y.OMATA,K.HIRABAYASHI,K.WADA,Y.HISAEDA,K.YAMAMOTO            
JRNL        TITL   CRYSTAL STRUCTURES OF HYDROXYMETHYLBILANE SYNTHASE COMPLEXED 
JRNL        TITL 2 WITH A SUBSTRATE ANALOG: A SINGLE SUBSTRATE-BINDING SITE FOR 
JRNL        TITL 3 FOUR CONSECUTIVE CONDENSATION STEPS.                         
JRNL        REF    BIOCHEM.J.                    V. 478  1023 2021              
JRNL        REFN                   ESSN 1470-8728                               
JRNL        PMID   33600566                                                     
JRNL        DOI    10.1042/BCJ20200996                                          
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.40 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX 1.18.2_3874                                   
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 : GEOSTD + MONOMER LIBRARY + CDL V1.2           
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 48.91                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.360                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 25874                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.205                           
REMARK   3   R VALUE            (WORKING SET) : 0.202                           
REMARK   3   FREE R VALUE                     : 0.273                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1293                            
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 48.9100 -  4.9900    1.00     2934   155  0.1755 0.2510        
REMARK   3     2  4.9900 -  3.9600    1.00     2824   149  0.1460 0.1941        
REMARK   3     3  3.9600 -  3.4600    0.99     2756   144  0.1829 0.2329        
REMARK   3     4  3.4600 -  3.1500    0.99     2730   143  0.2120 0.3252        
REMARK   3     5  3.1500 -  2.9200    0.98     2708   143  0.2305 0.3337        
REMARK   3     6  2.9200 -  2.7500    0.98     2673   140  0.2460 0.2906        
REMARK   3     7  2.7500 -  2.6100    0.98     2699   142  0.2645 0.3351        
REMARK   3     8  2.6100 -  2.5000    0.97     2658   139  0.2779 0.3672        
REMARK   3     9  2.5000 -  2.4000    0.95     2599   138  0.2908 0.3788        
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)     : 0.320            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 30.776           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 33.75                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 40.64                          
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      :  0.010           5013                                  
REMARK   3   ANGLE     :  1.319           6812                                  
REMARK   3   CHIRALITY :  0.067            800                                  
REMARK   3   PLANARITY :  0.008            886                                  
REMARK   3   DIHEDRAL  : 20.908           1843                                  
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 : 2                                           
REMARK   3   NCS GROUP : 1                                                      
REMARK   3    NCS OPERATOR : 1                                                  
REMARK   3     REFERENCE SELECTION: (chain "A" and (resid 19 through 21 or      
REMARK   3                          (resid 22 and (name N or name CA or name    
REMARK   3                          C or name O or name CB )) or resid 23       
REMARK   3                          through 31 or resid 33 through 127 or       
REMARK   3                          (resid 128 and (name N or name CA or name   
REMARK   3                          C or name O or name CB )) or resid 129      
REMARK   3                          through 134 or (resid 135 and (name N or    
REMARK   3                          name CA or name C or name O or name CB ))   
REMARK   3                          or resid 136 through 139 or (resid 140      
REMARK   3                          and (name N or name CA or name C or name    
REMARK   3                          O or name CB )) or resid 141 through 161    
REMARK   3                          or (resid 162 and (name N or name CA or     
REMARK   3                          name C or name O or name CB )) or resid     
REMARK   3                          163 or (resid 164 and (name N or name CA    
REMARK   3                          or name C or name O or name CB )) or        
REMARK   3                          resid 165 through 228 or (resid 229 and     
REMARK   3                          (name N or name CA or name C or name O or   
REMARK   3                          name CB )) or resid 230 through 254 or      
REMARK   3                          resid 256 through 272 or (resid 273 and     
REMARK   3                          (name N or name CA or name C or name O or   
REMARK   3                          name CB )) or resid 274 through 299 or      
REMARK   3                          resid 313 through 348 or resid 350          
REMARK   3                          through 354))                               
REMARK   3     SELECTION          : (chain "C" and (resid 19 through 31 or      
REMARK   3                          resid 33 through 61 or (resid 62 and        
REMARK   3                          (name N or name CA or name C or name O or   
REMARK   3                          name CB )) or resid 80 through 86 or        
REMARK   3                          (resid 87 and (name N or name CA or name    
REMARK   3                          C or name O or name CB )) or resid 88       
REMARK   3                          through 131 or (resid 132 and (name N or    
REMARK   3                          name CA or name C or name O or name CB ))   
REMARK   3                          or resid 133 through 208 or (resid 209      
REMARK   3                          and (name N or name CA or name C or name    
REMARK   3                          O or name CB )) or resid 210 through 226    
REMARK   3                          or (resid 227 and (name N or name CA or     
REMARK   3                          name C or name O or name CB )) or resid     
REMARK   3                          228 through 254 or resid 256 through 257    
REMARK   3                          or (resid 258 and (name N or name CA or     
REMARK   3                          name C or name O or name CB )) or resid     
REMARK   3                          259 through 271 or (resid 272 through 273   
REMARK   3                          and (name N or name CA or name C or name    
REMARK   3                          O or name CB )) or resid 274 through 299    
REMARK   3                          or resid 313 through 348 or resid 350       
REMARK   3                          through 354))                               
REMARK   3     ATOM PAIRS NUMBER  : NULL                                        
REMARK   3     RMSD               : 1.52839717372                               
REMARK   3   NCS GROUP : 2                                                      
REMARK   3    NCS OPERATOR : 1                                                  
REMARK   3     REFERENCE SELECTION: (chain "A" and resid 401)                   
REMARK   3     SELECTION          : (chain "C" and resid 401)                   
REMARK   3     ATOM PAIRS NUMBER  : NULL                                        
REMARK   3     RMSD               : 0.253287830809                              
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 7CCY COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 25-JUN-20.                  
REMARK 100 THE DEPOSITION ID IS D_1300017401.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 19-JUL-14                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.3                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SPRING-8                           
REMARK 200  BEAMLINE                       : BL44XU                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5                                
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : RAYONIX MX225HE                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XDS                                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 25907                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.400                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 48.910                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.5                               
REMARK 200  DATA REDUNDANCY                : 3.400                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.10200                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 11.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.55                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 95.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.40                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.62300                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.800                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: 3ECR                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 40.92                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.08                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 3350, DIAMMONIUM HYDROGEN CITRATE,   
REMARK 280  DITHOTHREITOL, PH 8.3, VAPOR DIFFUSION, SITTING DROP,               
REMARK 280  TEMPERATURE 293K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       37.00550            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       54.54850            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       40.61850            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       54.54850            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       37.00550            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       40.61850            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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 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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: C                                     
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     SER A     2                                                      
REMARK 465     GLY A     3                                                      
REMARK 465     ASN A     4                                                      
REMARK 465     GLY A     5                                                      
REMARK 465     ASN A     6                                                      
REMARK 465     ALA A     7                                                      
REMARK 465     ALA A     8                                                      
REMARK 465     ALA A     9                                                      
REMARK 465     THR A    10                                                      
REMARK 465     ALA A    11                                                      
REMARK 465     GLU A    12                                                      
REMARK 465     GLU A    13                                                      
REMARK 465     ASN A    14                                                      
REMARK 465     SER A    15                                                      
REMARK 465     PRO A    16                                                      
REMARK 465     LYS A    17                                                      
REMARK 465     MET A    18                                                      
REMARK 465     LYS A    62                                                      
REMARK 465     ILE A    63                                                      
REMARK 465     LEU A    64                                                      
REMARK 465     ASP A    65                                                      
REMARK 465     THR A    66                                                      
REMARK 465     ALA A    67                                                      
REMARK 465     LEU A    68                                                      
REMARK 465     SER A    69                                                      
REMARK 465     LYS A    70                                                      
REMARK 465     ILE A    71                                                      
REMARK 465     GLY A    72                                                      
REMARK 465     GLU A    73                                                      
REMARK 465     LYS A    74                                                      
REMARK 465     SER A    75                                                      
REMARK 465     LEU A    76                                                      
REMARK 465     PHE A    77                                                      
REMARK 465     THR A    78                                                      
REMARK 465     ARG A   355                                                      
REMARK 465     GLN A   356                                                      
REMARK 465     LEU A   357                                                      
REMARK 465     ASN A   358                                                      
REMARK 465     ASP A   359                                                      
REMARK 465     ALA A   360                                                      
REMARK 465     HIS A   361                                                      
REMARK 465     MET C     1                                                      
REMARK 465     SER C     2                                                      
REMARK 465     GLY C     3                                                      
REMARK 465     ASN C     4                                                      
REMARK 465     GLY C     5                                                      
REMARK 465     ASN C     6                                                      
REMARK 465     ALA C     7                                                      
REMARK 465     ALA C     8                                                      
REMARK 465     ALA C     9                                                      
REMARK 465     THR C    10                                                      
REMARK 465     ALA C    11                                                      
REMARK 465     GLU C    12                                                      
REMARK 465     GLU C    13                                                      
REMARK 465     ASN C    14                                                      
REMARK 465     SER C    15                                                      
REMARK 465     PRO C    16                                                      
REMARK 465     LYS C    17                                                      
REMARK 465     MET C    18                                                      
REMARK 465     LYS C    70                                                      
REMARK 465     ILE C    71                                                      
REMARK 465     GLY C    72                                                      
REMARK 465     GLU C    73                                                      
REMARK 465     LYS C    74                                                      
REMARK 465     VAL C   301                                                      
REMARK 465     PRO C   302                                                      
REMARK 465     ALA C   303                                                      
REMARK 465     GLN C   304                                                      
REMARK 465     HIS C   305                                                      
REMARK 465     GLU C   306                                                      
REMARK 465     ASP C   307                                                      
REMARK 465     GLY C   308                                                      
REMARK 465     PRO C   309                                                      
REMARK 465     GLU C   310                                                      
REMARK 465     ASP C   311                                                      
REMARK 465     ASP C   312                                                      
REMARK 465     ASN C   358                                                      
REMARK 465     ASP C   359                                                      
REMARK 465     ALA C   360                                                      
REMARK 465     HIS C   361                                                      
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     ARG A  19    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A  79    CG   CD   CE   NZ                                   
REMARK 470     GLU A  80    CG   CD   OE1  OE2                                  
REMARK 470     LYS A  87    CG   CD   CE   NZ                                   
REMARK 470     LYS A 132    CG   CD   CE   NZ                                   
REMARK 470     GLU A 209    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 227    CG   CD   CE   NZ                                   
REMARK 470     GLU A 258    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 272    CG   CD   CE   NZ                                   
REMARK 470     GLN A 304    CG   CD   OE1  NE2                                  
REMARK 470     GLU A 310    CG   CD   OE1  OE2                                  
REMARK 470     ASP A 311    CG   OD1  OD2                                       
REMARK 470     ARG C  19    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ARG C  22    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LEU C  64    CG   CD1  CD2                                       
REMARK 470     ASP C  65    CG   OD1  OD2                                       
REMARK 470     THR C  66    OG1  CG2                                            
REMARK 470     LYS C  79    CG   CD   CE   NZ                                   
REMARK 470     GLU C  80    CG   CD   OE1  OE2                                  
REMARK 470     LYS C 128    CG   CD   CE   NZ                                   
REMARK 470     GLU C 135    CG   CD   OE1  OE2                                  
REMARK 470     LYS C 140    CG   CD   CE   NZ                                   
REMARK 470     GLU C 162    CG   CD   OE1  OE2                                  
REMARK 470     ARG C 164    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     GLN C 229    CG   CD   OE1  NE2                                  
REMARK 470     ASP C 273    CG   OD1  OD2                                       
REMARK 470     GLN C 356    CG   CD   OE1  NE2                                  
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   OE2  GLU A   117     O    HOH A   501              2.07            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    LYS C  87   CE    LYS C  87   NZ      0.182                       
REMARK 500    LYS C 157   CE    LYS C 157   NZ     -0.187                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    GLU C  52   CB  -  CA  -  C   ANGL. DEV. = -15.6 DEGREES          
REMARK 500    GLU C  52   CA  -  CB  -  CG  ANGL. DEV. =  21.5 DEGREES          
REMARK 500    LYS C  87   CA  -  CB  -  CG  ANGL. DEV. =  17.9 DEGREES          
REMARK 500    LYS C  87   CB  -  CG  -  CD  ANGL. DEV. = -18.7 DEGREES          
REMARK 500    LYS C  87   CD  -  CE  -  NZ  ANGL. DEV. = -27.7 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    THR A  59     -129.62    -89.53                                   
REMARK 500    CYS A 211      100.43   -161.56                                   
REMARK 500    SER A 262       54.01   -103.58                                   
REMARK 500    VAL A 316       45.05     29.35                                   
REMARK 500    THR C  66      148.17    178.18                                   
REMARK 500    LEU C  68       39.69    -72.71                                   
REMARK 500    THR C 145      143.58   -170.51                                   
REMARK 500    CYS C 211      102.58   -162.18                                   
REMARK 500    SER C 262       53.37   -104.91                                   
REMARK 500    VAL C 316       43.44     29.92                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue DPM A 401                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue FWL C 401                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for Di-peptide DPM C 402 and CYS C    
REMARK 800  261                                                                 
DBREF  7CCY A    1   361  UNP    P08397   HEM3_HUMAN       1    361             
DBREF  7CCY C    1   361  UNP    P08397   HEM3_HUMAN       1    361             
SEQRES   1 A  361  MET SER GLY ASN GLY ASN ALA ALA ALA THR ALA GLU GLU          
SEQRES   2 A  361  ASN SER PRO LYS MET ARG VAL ILE ARG VAL GLY THR ARG          
SEQRES   3 A  361  LYS SER GLN LEU ALA ARG ILE GLN THR ASP SER VAL VAL          
SEQRES   4 A  361  ALA THR LEU LYS ALA SER TYR PRO GLY LEU GLN PHE GLU          
SEQRES   5 A  361  ILE ILE ALA MET SER THR THR GLY ASP LYS ILE LEU ASP          
SEQRES   6 A  361  THR ALA LEU SER LYS ILE GLY GLU LYS SER LEU PHE THR          
SEQRES   7 A  361  LYS GLU LEU GLU HIS ALA LEU GLU LYS ASN GLU VAL ASP          
SEQRES   8 A  361  LEU VAL VAL HIS SER LEU LYS ASP LEU PRO THR VAL LEU          
SEQRES   9 A  361  PRO PRO GLY PHE THR ILE GLY ALA ILE CYS LYS ARG GLU          
SEQRES  10 A  361  ASN PRO HIS ASP ALA VAL VAL PHE HIS PRO LYS PHE VAL          
SEQRES  11 A  361  GLY LYS THR LEU GLU THR LEU PRO GLU LYS SER VAL VAL          
SEQRES  12 A  361  GLY THR SER SER LEU ARG ARG ALA ALA GLN LEU GLN ARG          
SEQRES  13 A  361  LYS PHE PRO HIS LEU GLU PHE ARG SER ILE ARG GLY ASN          
SEQRES  14 A  361  LEU ASN THR ARG LEU ARG LYS LEU ASP GLU GLN GLN GLU          
SEQRES  15 A  361  PHE SER ALA ILE ILE LEU ALA THR ALA GLY LEU GLN ARG          
SEQRES  16 A  361  MET GLY TRP HIS ASN ARG VAL GLY GLN ILE LEU HIS PRO          
SEQRES  17 A  361  GLU GLU CYS MET TYR ALA VAL GLY GLN GLY ALA LEU GLY          
SEQRES  18 A  361  VAL GLU VAL ARG ALA LYS ASP GLN ASP ILE LEU ASP LEU          
SEQRES  19 A  361  VAL GLY VAL LEU HIS ASP PRO GLU THR LEU LEU ARG CYS          
SEQRES  20 A  361  ILE ALA GLU ARG ALA PHE LEU ARG HIS LEU GLU GLY GLY          
SEQRES  21 A  361  CYS SER VAL PRO VAL ALA VAL HIS THR ALA MET LYS ASP          
SEQRES  22 A  361  GLY GLN LEU TYR LEU THR GLY GLY VAL TRP SER LEU ASP          
SEQRES  23 A  361  GLY SER ASP SER ILE GLN GLU THR MET GLN ALA THR ILE          
SEQRES  24 A  361  HIS VAL PRO ALA GLN HIS GLU ASP GLY PRO GLU ASP ASP          
SEQRES  25 A  361  PRO GLN LEU VAL GLY ILE THR ALA ARG ASN ILE PRO ARG          
SEQRES  26 A  361  GLY PRO GLN LEU ALA ALA GLN ASN LEU GLY ILE SER LEU          
SEQRES  27 A  361  ALA ASN LEU LEU LEU SER LYS GLY ALA LYS ASN ILE LEU          
SEQRES  28 A  361  ASP VAL ALA ARG GLN LEU ASN ASP ALA HIS                      
SEQRES   1 C  361  MET SER GLY ASN GLY ASN ALA ALA ALA THR ALA GLU GLU          
SEQRES   2 C  361  ASN SER PRO LYS MET ARG VAL ILE ARG VAL GLY THR ARG          
SEQRES   3 C  361  LYS SER GLN LEU ALA ARG ILE GLN THR ASP SER VAL VAL          
SEQRES   4 C  361  ALA THR LEU LYS ALA SER TYR PRO GLY LEU GLN PHE GLU          
SEQRES   5 C  361  ILE ILE ALA MET SER THR THR GLY ASP LYS ILE LEU ASP          
SEQRES   6 C  361  THR ALA LEU SER LYS ILE GLY GLU LYS SER LEU PHE THR          
SEQRES   7 C  361  LYS GLU LEU GLU HIS ALA LEU GLU LYS ASN GLU VAL ASP          
SEQRES   8 C  361  LEU VAL VAL HIS SER LEU LYS ASP LEU PRO THR VAL LEU          
SEQRES   9 C  361  PRO PRO GLY PHE THR ILE GLY ALA ILE CYS LYS ARG GLU          
SEQRES  10 C  361  ASN PRO HIS ASP ALA VAL VAL PHE HIS PRO LYS PHE VAL          
SEQRES  11 C  361  GLY LYS THR LEU GLU THR LEU PRO GLU LYS SER VAL VAL          
SEQRES  12 C  361  GLY THR SER SER LEU ARG ARG ALA ALA GLN LEU GLN ARG          
SEQRES  13 C  361  LYS PHE PRO HIS LEU GLU PHE ARG SER ILE ARG GLY ASN          
SEQRES  14 C  361  LEU ASN THR ARG LEU ARG LYS LEU ASP GLU GLN GLN GLU          
SEQRES  15 C  361  PHE SER ALA ILE ILE LEU ALA THR ALA GLY LEU GLN ARG          
SEQRES  16 C  361  MET GLY TRP HIS ASN ARG VAL GLY GLN ILE LEU HIS PRO          
SEQRES  17 C  361  GLU GLU CYS MET TYR ALA VAL GLY GLN GLY ALA LEU GLY          
SEQRES  18 C  361  VAL GLU VAL ARG ALA LYS ASP GLN ASP ILE LEU ASP LEU          
SEQRES  19 C  361  VAL GLY VAL LEU HIS ASP PRO GLU THR LEU LEU ARG CYS          
SEQRES  20 C  361  ILE ALA GLU ARG ALA PHE LEU ARG HIS LEU GLU GLY GLY          
SEQRES  21 C  361  CYS SER VAL PRO VAL ALA VAL HIS THR ALA MET LYS ASP          
SEQRES  22 C  361  GLY GLN LEU TYR LEU THR GLY GLY VAL TRP SER LEU ASP          
SEQRES  23 C  361  GLY SER ASP SER ILE GLN GLU THR MET GLN ALA THR ILE          
SEQRES  24 C  361  HIS VAL PRO ALA GLN HIS GLU ASP GLY PRO GLU ASP ASP          
SEQRES  25 C  361  PRO GLN LEU VAL GLY ILE THR ALA ARG ASN ILE PRO ARG          
SEQRES  26 C  361  GLY PRO GLN LEU ALA ALA GLN ASN LEU GLY ILE SER LEU          
SEQRES  27 C  361  ALA ASN LEU LEU LEU SER LYS GLY ALA LYS ASN ILE LEU          
SEQRES  28 C  361  ASP VAL ALA ARG GLN LEU ASN ASP ALA HIS                      
HET    DPM  A 401      30                                                       
HET    FWL  C 401      17                                                       
HET    DPM  C 402      30                                                       
HETNAM     DPM 3-[5-{[3-(2-CARBOXYETHYL)-4-(CARBOXYMETHYL)-5-METHYL-            
HETNAM   2 DPM  1H-PYRROL-2-YL]METHYL}-4-(CARBOXYMETHYL)-1H-PYRROL-3-           
HETNAM   3 DPM  YL]PROPANOIC ACID                                               
HETNAM     FWL 3-[5-(AMINOMETHYL)-4-(CARBOXYMETHYL)-2-IODO-1H-PYRROL-           
HETNAM   2 FWL  3-YL]PROPANOIC ACID                                             
HETSYN     DPM DIPYRROMETHANE COFACTOR                                          
HETSYN     FWL 2-IODOPORPHOBILINOGEN                                            
FORMUL   3  DPM    2(C20 H24 N2 O8)                                             
FORMUL   4  FWL    C10 H13 I N2 O4                                              
FORMUL   6  HOH   *64(H2 O)                                                     
HELIX    1 AA1 SER A   28  TYR A   46  1                                  19    
HELIX    2 AA2 GLU A   80  LYS A   87  1                                   8    
HELIX    3 AA3 LYS A   98  LEU A  100  5                                   3    
HELIX    4 AA4 PRO A  127  VAL A  130  5                                   4    
HELIX    5 AA5 SER A  147  PHE A  158  1                                  12    
HELIX    6 AA6 ASN A  169  GLN A  180  1                                  12    
HELIX    7 AA7 THR A  190  GLY A  197  1                                   8    
HELIX    8 AA8 TRP A  198  VAL A  202  5                                   5    
HELIX    9 AA9 ASP A  228  GLY A  236  1                                   9    
HELIX   10 AB1 VAL A  237  HIS A  239  5                                   3    
HELIX   11 AB2 ASP A  240  LEU A  257  1                                  18    
HELIX   12 AB3 PRO A  324  LYS A  345  1                                  22    
HELIX   13 AB4 GLY A  346  ALA A  354  1                                   9    
HELIX   14 AB5 SER C   28  TYR C   46  1                                  19    
HELIX   15 AB6 THR C   78  LYS C   87  1                                  10    
HELIX   16 AB7 LYS C   98  LEU C  100  5                                   3    
HELIX   17 AB8 PRO C  127  VAL C  130  5                                   4    
HELIX   18 AB9 SER C  147  PHE C  158  1                                  12    
HELIX   19 AC1 ASN C  169  GLN C  180  1                                  12    
HELIX   20 AC2 THR C  190  GLY C  197  1                                   8    
HELIX   21 AC3 TRP C  198  VAL C  202  5                                   5    
HELIX   22 AC4 ASP C  228  GLY C  236  1                                   9    
HELIX   23 AC5 VAL C  237  HIS C  239  5                                   3    
HELIX   24 AC6 ASP C  240  LEU C  257  1                                  18    
HELIX   25 AC7 PRO C  324  LYS C  345  1                                  22    
HELIX   26 AC8 GLY C  346  LEU C  357  1                                  12    
SHEET    1 AA1 5 GLN A  50  MET A  56  0                                        
SHEET    2 AA1 5 VAL A  20  ARG A  26  1  N  VAL A  23   O  GLU A  52           
SHEET    3 AA1 5 LEU A  92  SER A  96  1  O  LEU A  92   N  GLY A  24           
SHEET    4 AA1 5 LEU A 220  ARG A 225 -1  O  GLY A 221   N  HIS A  95           
SHEET    5 AA1 5 PHE A 108  ILE A 113 -1  N  ALA A 112   O  VAL A 222           
SHEET    1 AA2 5 GLU A 162  ARG A 164  0                                        
SHEET    2 AA2 5 VAL A 142  GLY A 144  1  N  VAL A 143   O  GLU A 162           
SHEET    3 AA2 5 ALA A 185  ALA A 189  1  O  ALA A 185   N  GLY A 144           
SHEET    4 AA2 5 ASP A 121  PHE A 125 -1  N  ALA A 122   O  LEU A 188           
SHEET    5 AA2 5 GLN A 204  ILE A 205 -1  O  GLN A 204   N  VAL A 123           
SHEET    1 AA3 3 VAL A 265  LYS A 272  0                                        
SHEET    2 AA3 3 GLN A 275  TRP A 283 -1  O  THR A 279   N  HIS A 268           
SHEET    3 AA3 3 SER A 290  THR A 298 -1  O  MET A 295   N  LEU A 278           
SHEET    1 AA4 5 PHE C  51  MET C  56  0                                        
SHEET    2 AA4 5 ILE C  21  ARG C  26  1  N  VAL C  23   O  ILE C  54           
SHEET    3 AA4 5 LEU C  92  SER C  96  1  O  LEU C  92   N  GLY C  24           
SHEET    4 AA4 5 LEU C 220  ARG C 225 -1  O  GLY C 221   N  HIS C  95           
SHEET    5 AA4 5 PHE C 108  ILE C 113 -1  N  THR C 109   O  VAL C 224           
SHEET    1 AA5 5 GLU C 162  ARG C 164  0                                        
SHEET    2 AA5 5 VAL C 142  GLY C 144  1  N  VAL C 143   O  ARG C 164           
SHEET    3 AA5 5 ALA C 185  ALA C 189  1  O  ALA C 185   N  GLY C 144           
SHEET    4 AA5 5 ASP C 121  PHE C 125 -1  N  ALA C 122   O  LEU C 188           
SHEET    5 AA5 5 GLN C 204  ILE C 205 -1  O  GLN C 204   N  VAL C 123           
SHEET    1 AA6 3 VAL C 265  LYS C 272  0                                        
SHEET    2 AA6 3 GLN C 275  TRP C 283 -1  O  TYR C 277   N  ALA C 270           
SHEET    3 AA6 3 SER C 290  THR C 298 -1  O  GLU C 293   N  GLY C 280           
LINK         SG  CYS A 261                 CHA DPM A 401     1555   1555  1.77  
LINK         SG  CYS C 261                 CHA DPM C 402     1555   1555  1.77  
SITE     1 AC1 16 SER A  96  LYS A  98  ASP A  99  SER A 146                    
SITE     2 AC1 16 SER A 147  ARG A 149  ARG A 150  ARG A 173                    
SITE     3 AC1 16 ALA A 189  ARG A 195  GLY A 218  CYS A 261                    
SITE     4 AC1 16 HOH A 503  HOH A 504  HOH A 507  HOH A 523                    
SITE     1 AC2 12 ARG C  26  SER C  28  GLN C  34  PHE C  77                    
SITE     2 AC2 12 SER C  96  ASP C  99  ARG C 167  GLY C 168                    
SITE     3 AC2 12 ASN C 169  LEU C 170  ARG C 173  DPM C 402                    
SITE     1 AC3 18 SER C  96  LYS C  98  ASP C  99  THR C 145                    
SITE     2 AC3 18 SER C 146  SER C 147  ARG C 149  ARG C 150                    
SITE     3 AC3 18 ARG C 173  LEU C 188  ALA C 189  GLY C 218                    
SITE     4 AC3 18 GLY C 260  SER C 262  VAL C 263  FWL C 401                    
SITE     5 AC3 18 HOH C 509  HOH C 519                                          
CRYST1   74.011   81.237  109.097  90.00  90.00  90.00 P 21 21 21    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      0.013512  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.012310  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009166        0.00000                         
MTRIX1   1  0.999988 -0.004013 -0.002728      -31.82894    1                    
MTRIX2   1  0.004048  0.999910  0.012784        0.55140    1                    
MTRIX3   1  0.002677 -0.012795  0.999915       18.52929    1                    
MTRIX1   2  0.999950  0.002629 -0.009607      -31.93691    1                    
MTRIX2   2 -0.001947  0.997519  0.070366        1.47106    1                    
MTRIX3   2  0.009768 -0.070344  0.997475       18.20039    1