HEADER    METAL BINDING PROTEIN                   03-JAN-24   8XP6              
TITLE     2OG-FE(II) OXYGENASE-COLD                                             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 2OG-FE(II) OXYGENASE;                                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: STREPTOMYCES COLLINUS;                          
SOURCE   3 ORGANISM_TAXID: 42684;                                               
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI 'BL21-GOLD(DE3)PLYSS AG';        
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 866768                                      
KEYWDS    OXIDASE, METAL BINDING PROTEIN                                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    B.ZHANG,J.SHI,Y.ZHANG,H.M.GE                                          
REVDAT   1   15-JAN-25 8XP6    0                                                
JRNL        AUTH   J.SHI,H.M.GE                                                 
JRNL        TITL   BIOSYNTHESIS OF COLLINODINS                                  
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.40 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 : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.40                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 62.75                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 89.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 61290                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.160                           
REMARK   3   R VALUE            (WORKING SET) : 0.159                           
REMARK   3   FREE R VALUE                     : 0.174                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 3.230                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1982                            
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 62.7500 -  3.3700    0.93     4678   154  0.1608 0.1768        
REMARK   3     2  3.3700 -  2.6900    1.00     4682   156  0.1678 0.1636        
REMARK   3     3  2.6700 -  2.3400    1.00     4665   160  0.1653 0.1655        
REMARK   3     4  2.3400 -  2.1300    0.90     4274   144  0.1606 0.1812        
REMARK   3     5  2.1300 -  1.9700    0.90     4257   134  0.1506 0.1789        
REMARK   3     6  1.9700 -  1.8600    0.56     2652    93  0.1701 0.2092        
REMARK   3     7  1.8600 -  1.7600    1.00     4725   156  0.1571 0.1628        
REMARK   3     8  1.7600 -  1.6900    0.99     4674   158  0.1473 0.1842        
REMARK   3     9  1.6900 -  1.6200    0.99     4647   160  0.1413 0.1634        
REMARK   3    10  1.6200 -  1.5700    0.99     4637   148  0.1445 0.1672        
REMARK   3    11  1.5700 -  1.5200    0.80     3784   121  0.1459 0.1594        
REMARK   3    12  1.5200 -  1.4700    0.77     3573   133  0.1498 0.1678        
REMARK   3    13  1.4700 -  1.4400    0.75     3530   110  0.1624 0.1837        
REMARK   3    14  1.4400 -  1.4000    0.97     4530   155  0.1741 0.2153        
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)     : 0.100            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 15.670           
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      :  0.005           2386                                  
REMARK   3   ANGLE     :  0.858           3262                                  
REMARK   3   CHIRALITY :  0.077            357                                  
REMARK   3   PLANARITY :  0.007            426                                  
REMARK   3   DIHEDRAL  : 14.833            856                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 1                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: ALL                                                    
REMARK   3    ORIGIN FOR THE GROUP (A):   2.9862  10.9396  14.8950              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0649 T22:   0.0440                                     
REMARK   3      T33:   0.0566 T12:  -0.0067                                     
REMARK   3      T13:  -0.0046 T23:   0.0012                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.5645 L22:   0.2139                                     
REMARK   3      L33:   0.5792 L12:   0.0070                                     
REMARK   3      L13:  -0.0536 L23:   0.0842                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0124 S12:  -0.0195 S13:   0.0814                       
REMARK   3      S21:  -0.0013 S22:  -0.0010 S23:  -0.0031                       
REMARK   3      S31:  -0.0783 S32:   0.0425 S33:   0.0044                       
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 8XP6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 05-JAN-24.                  
REMARK 100 THE DEPOSITION ID IS D_1300043954.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 02-OCT-21                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRF                               
REMARK 200  BEAMLINE                       : BL19U1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97852                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS3 6M                
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : AIMLESS                            
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 62023                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.400                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 62.750                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 90.2                               
REMARK 200  DATA REDUNDANCY                : 12.30                              
REMARK 200  R MERGE                    (I) : 0.06400                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 23.8000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.40                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.42                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 12.10                              
REMARK 200  R MERGE FOR SHELL          (I) : 0.30100                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
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: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.22                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.47                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M MAGNESIUM CHLORIDE HEXAHYDRATE     
REMARK 280  0.1 M SODIUM HEPES 7.5 30 % V/V PEG 400, VAPOR DIFFUSION,           
REMARK 280  SITTING DROP, TEMPERATURE 291.15K                                   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 2 21                        
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+1/2,-Y,-Z+1/2                                         
REMARK 290       4555   -X+1/2,-Y,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       29.77500            
REMARK 290   SMTRY2   3  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       46.07000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       29.77500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       46.07000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 140 ANGSTROM**2                           
REMARK 350 SURFACE AREA OF THE COMPLEX: 13990 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -12.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A 890  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A1013  LIES ON A SPECIAL POSITION.                          
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A     1                                                      
REMARK 465     ARG A   296                                                      
REMARK 465     VAL A   297                                                      
REMARK 465     ALA A   298                                                      
REMARK 465     SER A   299                                                      
REMARK 465     LYS A   300                                                      
REMARK 465     LEU A   301                                                      
REMARK 465     ALA A   302                                                      
REMARK 465     ALA A   303                                                      
REMARK 465     ALA A   304                                                      
REMARK 465     LEU A   305                                                      
REMARK 465     GLU A   306                                                      
REMARK 465     HIS A   307                                                      
REMARK 465     HIS A   308                                                      
REMARK 465     HIS A   309                                                      
REMARK 465     HIS A   310                                                      
REMARK 465     HIS A   311                                                      
REMARK 465     HIS A   312                                                      
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   O    HOH A   554     O    HOH A   583              1.78            
REMARK 500   O    HOH A   837     O    HOH A   971              1.83            
REMARK 500   O    HOH A   933     O    HOH A   956              1.85            
REMARK 500   O    HOH A   877     O    HOH A   924              1.94            
REMARK 500   OD2  ASP A    40     O    HOH A   501              1.95            
REMARK 500   O    HOH A   621     O    HOH A   688              1.95            
REMARK 500   O    HOH A   843     O    HOH A   975              1.96            
REMARK 500   O    HOH A   558     O    HOH A   805              1.96            
REMARK 500   OD1  ASP A   243     O    HOH A   502              1.96            
REMARK 500   O    HOH A   778     O    HOH A   865              1.97            
REMARK 500   O    HOH A   511     O    HOH A   573              1.97            
REMARK 500   O    HOH A   980     O    HOH A  1006              2.01            
REMARK 500   O    HOH A   758     O    HOH A   797              2.02            
REMARK 500   O    HOH A   664     O    HOH A   680              2.02            
REMARK 500   O    HOH A   662     O    HOH A   958              2.02            
REMARK 500  FE     FE A   401     O    HOH A   778              2.03            
REMARK 500   O    HOH A   506     O    HOH A   550              2.03            
REMARK 500   O    HOH A   869     O    HOH A  1005              2.03            
REMARK 500   O    HOH A   529     O    HOH A   803              2.05            
REMARK 500   NH2  ARG A    13     O    HOH A   503              2.06            
REMARK 500   O    HOH A   509     O    HOH A   793              2.09            
REMARK 500   O    HOH A  1007     O    HOH A  1017              2.10            
REMARK 500   NZ   LYS A    55     O    HOH A   504              2.10            
REMARK 500   O    HOH A   736     O    HOH A   763              2.10            
REMARK 500   O    HOH A  1015     O    HOH A  1019              2.11            
REMARK 500  FE     FE A   401     O    HOH A   806              2.12            
REMARK 500   O    HOH A   828     O    HOH A   981              2.14            
REMARK 500   O    HOH A   923     O    HOH A   944              2.14            
REMARK 500   O    HOH A   809     O    HOH A  1001              2.14            
REMARK 500   O    HOH A   526     O    HOH A   779              2.15            
REMARK 500   O    HOH A   506     O    HOH A   850              2.16            
REMARK 500   O    HOH A   506     O    HOH A   827              2.17            
REMARK 500  FE     FE A   401     O    HOH A   632              2.19            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A   506     O    HOH A   811     3455     1.96            
REMARK 500   O    HOH A   506     O    HOH A   914     3455     1.99            
REMARK 500   O    HOH A   956     O    HOH A   985     3465     2.04            
REMARK 500   O    HOH A   902     O    HOH A   999     3455     2.05            
REMARK 500   O    HOH A   517     O    HOH A   882     3555     2.08            
REMARK 500   O    HOH A   573     O    HOH A   946     3555     2.16            
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    VAL A 153      -83.36   -119.40                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A1018        DISTANCE =  6.01 ANGSTROMS                       
REMARK 525    HOH A1019        DISTANCE =  6.29 ANGSTROMS                       
REMARK 525    HOH A1020        DISTANCE =  6.34 ANGSTROMS                       
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                              FE A 401  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 113   NE2                                                    
REMARK 620 2 ASP A 115   OD2  94.4                                              
REMARK 620 3 HIS A 203   NE2  92.4  85.3                                        
REMARK 620 N                    1     2                                         
DBREF  8XP6 A    1   312  PDB    8XP6     8XP6             1    312             
SEQRES   1 A  312  MET ASP SER LYS SER ILE ALA ALA GLU LEU ALA THR ARG          
SEQRES   2 A  312  GLY TYR ALA LEU VAL PRO ASP PHE LEU THR GLY ASP ALA          
SEQRES   3 A  312  LEU THR GLU ALA VAL ALA ALA ILE GLU THR TYR PHE PRO          
SEQRES   4 A  312  ASP PRO GLU ALA ASP ASP SER THR ALA ASP ASP VAL ALA          
SEQRES   5 A  312  ALA LEU LYS HIS ALA VAL PRO PHE PRO PHE THR SER ASN          
SEQRES   6 A  312  ALA LEU ASN ARG HIS PRO LEU ASP LEU ARG VAL ILE SER          
SEQRES   7 A  312  VAL VAL GLU GLU LEU LEU GLY THR THR ASP LEU ARG MET          
SEQRES   8 A  312  THR SER SER PHE ILE GLN ALA LYS TYR GLY THR ALA TYR          
SEQRES   9 A  312  GLY GLU SER LYS ASP GLN ARG LEU HIS ASN ASP ALA TRP          
SEQRES  10 A  312  ALA ALA SER SER LEU VAL HIS PRO ARG ALA ASP GLY VAL          
SEQRES  11 A  312  TYR GLN ARG VAL TYR GLY ILE LEU TYR LEU THR ASP VAL          
SEQRES  12 A  312  THR GLU ASP THR ALA PRO THR TYR VAL VAL ASP ARG ALA          
SEQRES  13 A  312  ALA HIS LEU GLY VAL PRO LEU LEU THR PRO GLU GLY THR          
SEQRES  14 A  312  GLY ALA TYR SER LYS GLU ALA TYR PRO GLU LEU TYR GLU          
SEQRES  15 A  312  ARG GLU ARG PRO VAL VAL VAL SER LYS GLY SER LEU LEU          
SEQRES  16 A  312  LEU PHE VAL GLY ASP ILE VAL HIS ARG GLY SER ALA TYR          
SEQRES  17 A  312  HIS GLY HIS LEU GLY ARG ARG LEU ALA LEU PHE PHE ASN          
SEQRES  18 A  312  ILE HIS GLY ALA GLN ALA ARG TRP THR ASP LYS HIS LEU          
SEQRES  19 A  312  TRP SER LEU ARG PRO ALA HIS PRO ASP TRP GLY THR PHE          
SEQRES  20 A  312  ARG ASP LEU MET ILE GLU LEU GLU PRO ARG GLN ARG HIS          
SEQRES  21 A  312  LEU LEU GLY PHE PRO PRO PRO GLY ASP ASP TYR TRP THR          
SEQRES  22 A  312  GLU GLU THR ILE LYS HIS LEU SER GLU MET TYR PRO GLY          
SEQRES  23 A  312  ILE ASP VAL GLU PRO TYR LEU PRO ALA ARG VAL ALA SER          
SEQRES  24 A  312  LYS LEU ALA ALA ALA LEU GLU HIS HIS HIS HIS HIS HIS          
HET     FE  A 401       1                                                       
HETNAM      FE FE (III) ION                                                     
FORMUL   2   FE    FE 3+                                                        
FORMUL   3  HOH   *520(H2 O)                                                    
HELIX    1 AA1 ASP A    2  GLY A   14  1                                  13    
HELIX    2 AA2 THR A   23  THR A   36  1                                  14    
HELIX    3 AA3 THR A   47  ALA A   53  1                                   7    
HELIX    4 AA4 SER A   64  ARG A   69  1                                   6    
HELIX    5 AA5 HIS A   70  LEU A   72  5                                   3    
HELIX    6 AA6 ASP A   73  GLY A   85  1                                  13    
HELIX    7 AA7 THR A  102  GLY A  105  5                                   4    
HELIX    8 AA8 ASP A  128  GLN A  132  5                                   5    
HELIX    9 AA9 ALA A  157  GLY A  160  5                                   4    
HELIX   10 AB1 TYR A  177  GLU A  184  1                                   8    
HELIX   11 AB2 ASP A  243  LEU A  254  1                                  12    
HELIX   12 AB3 GLU A  255  HIS A  260  1                                   6    
HELIX   13 AB4 LEU A  261  GLY A  263  5                                   3    
HELIX   14 AB5 THR A  273  TYR A  284  1                                  12    
HELIX   15 AB6 VAL A  289  LEU A  293  5                                   5    
SHEET    1 AA1 6 TYR A  15  VAL A  18  0                                        
SHEET    2 AA1 6 LEU A 194  VAL A 198 -1  O  LEU A 194   N  VAL A  18           
SHEET    3 AA1 6 VAL A 134  TYR A 139 -1  N  TYR A 135   O  PHE A 197           
SHEET    4 AA1 6 ARG A 214  GLY A 224 -1  O  LEU A 218   N  LEU A 138           
SHEET    5 AA1 6 LEU A  89  TYR A 100 -1  N  PHE A  95   O  PHE A 219           
SHEET    6 AA1 6 ALA A  57  PRO A  59 -1  N  VAL A  58   O  ILE A  96           
SHEET    1 AA2 3 ARG A 185  PRO A 186  0                                        
SHEET    2 AA2 3 TYR A 151  ARG A 155 -1  N  VAL A 152   O  ARG A 185           
SHEET    3 AA2 3 ILE A 201  ARG A 204 -1  O  ARG A 204   N  TYR A 151           
LINK         NE2 HIS A 113                FE    FE A 401     1555   1555  2.23  
LINK         OD2 ASP A 115                FE    FE A 401     1555   1555  2.01  
LINK         NE2 HIS A 203                FE    FE A 401     1555   1555  2.22  
CISPEP   1 PHE A   60    PRO A   61          0         0.57                     
CRYST1   59.550   62.750   92.140  90.00  90.00  90.00 P 21 2 21     4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.016793  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.015936  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010853        0.00000