PDB Short entry for 3VPM
HEADER    OXIDOREDUCTASE                          05-MAR-12   3VPM              
TITLE     CRYSTAL STRUCTURE OF HUMAN RIBONUCLEOTIDE REDUCTASE SUBUNIT M2 (HRRM2)
TITLE    2 MUTANT                                                               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: RIBONUCLEOSIDE-DIPHOSPHATE REDUCTASE SUBUNIT M2;           
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: UNP RESIDUES 66-350;                                       
COMPND   5 SYNONYM: RIBONUCLEOTIDE REDUCTASE SMALL CHAIN, RIBONUCLEOTIDE        
COMPND   6 REDUCTASE SMALL SUBUNIT;                                             
COMPND   7 EC: 1.17.4.1;                                                        
COMPND   8 ENGINEERED: YES;                                                     
COMPND   9 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: RR2, RRM2;                                                     
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3);                                
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID                               
KEYWDS    METAL-BINDING, OXIDOREDUCTASE                                         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    X.CHEN,Z.XU,H.LIU,L.ZHANG,B.CHEN,L.ZHU,C.YANG,W.ZHU,J.SHAO            
REVDAT   2   22-NOV-17 3VPM    1       REMARK                                   
REVDAT   1   06-MAR-13 3VPM    0                                                
JRNL        AUTH   X.CHEN,Z.XU,H.LIU,L.ZHANG,B.CHEN,L.ZHU,C.YANG,W.ZHU,J.SHAO   
JRNL        TITL   ESSENTIAL ROLE OF E106 IN THE PROTON-COUPLED ELECTRON        
JRNL        TITL 2 TRANSFER IN HUMAN RIBONUCLEOTIDE REDUCTASE M2 SUBUNIT        
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.70 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
REMARK   3   AUTHORS     : MURSHUDOV,VAGIN,DODSON                               
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 37.63                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 27951                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.209                           
REMARK   3   R VALUE            (WORKING SET) : 0.207                           
REMARK   3   FREE R VALUE                     : 0.249                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1494                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.70                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.77                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 2042                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 99.49                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2600                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 107                          
REMARK   3   BIN FREE R VALUE                    : 0.3120                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4726                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 4                                       
REMARK   3   SOLVENT ATOMS            : 46                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 56.56                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.97000                                              
REMARK   3    B22 (A**2) : 1.97000                                              
REMARK   3    B33 (A**2) : -3.94000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.421         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.284         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.203         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 9.703         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.942                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.921                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  4860 ; 0.010 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  6560 ; 1.168 ; 1.946       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   574 ; 4.856 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   248 ;36.365 ;23.710       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   868 ;16.342 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    32 ;17.181 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   694 ; 0.088 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  3714 ; 0.004 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  2862 ; 0.513 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  4628 ; 1.020 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1998 ; 1.443 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1930 ; 2.521 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 3VPM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 13-MAR-12.                  
REMARK 100 THE DEPOSITION ID IS D_1000095342.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 13-MAY-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               : SSRF                               
REMARK 200  BEAMLINE                       : BL17U                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97906                            
REMARK 200  MONOCHROMATOR                  : SI(111)                            
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MAR SCANNER 345 MM PLATE           
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO, HKL-2000                    
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK, HKL-2000                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 29863                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY                : 13.60                              
REMARK 200  R MERGE                    (I) : 0.10000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 10.4000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.70                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.80                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 14.50                              
REMARK 200  R MERGE FOR SHELL          (I) : 0.70000                            
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: PHASES                                                
REMARK 200 STARTING MODEL: PDB ENTRY 3OLJ                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 68.22                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.87                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 50MM TRIS-HCL, 0.1MM KCL, PH 7.5,        
REMARK 280  TEMPERATURE 293K, VAPOR DIFFUSION, HANGING DROP                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y+1/2,X+1/2,Z+3/4                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+1/4                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+3/4                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+1/4                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-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       87.47400            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       54.49900            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       54.49900            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000      131.21100            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       54.49900            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       54.49900            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       43.73700            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       54.49900            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       54.49900            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000      131.21100            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       54.49900            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       54.49900            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       43.73700            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       87.47400            
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: 3300 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 22560 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -31.0 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 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    ARG A 148      -69.35   -130.33                                   
REMARK 500    MET A 252       67.27     63.49                                   
REMARK 500    GLU A 306      -60.15   -105.67                                   
REMARK 500    GLU B  75      121.98    -34.16                                   
REMARK 500    SER B 110        0.05    -65.34                                   
REMARK 500    ARG B 148      -77.29   -129.25                                   
REMARK 500    MET B 252       71.39     57.56                                   
REMARK 500    PHE B 337     -167.19   -114.66                                   
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                              FE B 402  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU B 232   OE1                                                    
REMARK 620 2 GLU B 266   OE1  95.7                                              
REMARK 620 3 GLU B 169   OE2 100.5 157.7                                        
REMARK 620 4 GLU B 266   OE2 146.9  61.8 108.5                                  
REMARK 620 5 HIS B 269   ND1  87.2 110.9  85.3  79.8                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              FE A 402  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A 232   OE1                                                    
REMARK 620 2 GLU A 266   OE1  91.7                                              
REMARK 620 3 GLU A 266   OE2 144.0  63.5                                        
REMARK 620 4 GLU A 169   OE2 109.8 146.3 104.6                                  
REMARK 620 5 HIS A 269   ND1  91.1 122.6  82.5  83.8                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 401  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 VAL A  81   O                                                      
REMARK 620 2 THR A 156   OG1  84.5                                              
REMARK 620 3 ARG A  78   O    76.0  74.8                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG B 401  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 THR B 156   OG1                                                    
REMARK 620 2 ARG B  78   O    74.9                                              
REMARK 620 3 VAL B  81   O    73.4  61.7                                        
REMARK 620 N                    1     2                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 401                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE A 402                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 401                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE B 402                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3OLJ   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3VPN   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3VPO   RELATED DB: PDB                                   
DBREF  3VPM A   66   350  UNP    P31350   RIR2_HUMAN      66    350             
DBREF  3VPM B   66   350  UNP    P31350   RIR2_HUMAN      66    350             
SEQADV 3VPM MET A   65  UNP  P31350              EXPRESSION TAG                 
SEQADV 3VPM ALA A  106  UNP  P31350    GLU   106 ENGINEERED MUTATION            
SEQADV 3VPM MET B   65  UNP  P31350              EXPRESSION TAG                 
SEQADV 3VPM ALA B  106  UNP  P31350    GLU   106 ENGINEERED MUTATION            
SEQRES   1 A  286  MET GLY VAL GLU ASP GLU PRO LEU LEU ARG GLU ASN PRO          
SEQRES   2 A  286  ARG ARG PHE VAL ILE PHE PRO ILE GLU TYR HIS ASP ILE          
SEQRES   3 A  286  TRP GLN MET TYR LYS LYS ALA GLU ALA SER PHE TRP THR          
SEQRES   4 A  286  ALA GLU ALA VAL ASP LEU SER LYS ASP ILE GLN HIS TRP          
SEQRES   5 A  286  GLU SER LEU LYS PRO GLU GLU ARG TYR PHE ILE SER HIS          
SEQRES   6 A  286  VAL LEU ALA PHE PHE ALA ALA SER ASP GLY ILE VAL ASN          
SEQRES   7 A  286  GLU ASN LEU VAL GLU ARG PHE SER GLN GLU VAL GLN ILE          
SEQRES   8 A  286  THR GLU ALA ARG CYS PHE TYR GLY PHE GLN ILE ALA MET          
SEQRES   9 A  286  GLU ASN ILE HIS SER GLU MET TYR SER LEU LEU ILE ASP          
SEQRES  10 A  286  THR TYR ILE LYS ASP PRO LYS GLU ARG GLU PHE LEU PHE          
SEQRES  11 A  286  ASN ALA ILE GLU THR MET PRO CYS VAL LYS LYS LYS ALA          
SEQRES  12 A  286  ASP TRP ALA LEU ARG TRP ILE GLY ASP LYS GLU ALA THR          
SEQRES  13 A  286  TYR GLY GLU ARG VAL VAL ALA PHE ALA ALA VAL GLU GLY          
SEQRES  14 A  286  ILE PHE PHE SER GLY SER PHE ALA SER ILE PHE TRP LEU          
SEQRES  15 A  286  LYS LYS ARG GLY LEU MET PRO GLY LEU THR PHE SER ASN          
SEQRES  16 A  286  GLU LEU ILE SER ARG ASP GLU GLY LEU HIS CYS ASP PHE          
SEQRES  17 A  286  ALA CYS LEU MET PHE LYS HIS LEU VAL HIS LYS PRO SER          
SEQRES  18 A  286  GLU GLU ARG VAL ARG GLU ILE ILE ILE ASN ALA VAL ARG          
SEQRES  19 A  286  ILE GLU GLN GLU PHE LEU THR GLU ALA LEU PRO VAL LYS          
SEQRES  20 A  286  LEU ILE GLY MET ASN CYS THR LEU MET LYS GLN TYR ILE          
SEQRES  21 A  286  GLU PHE VAL ALA ASP ARG LEU MET LEU GLU LEU GLY PHE          
SEQRES  22 A  286  SER LYS VAL PHE ARG VAL GLU ASN PRO PHE ASP PHE MET          
SEQRES   1 B  286  MET GLY VAL GLU ASP GLU PRO LEU LEU ARG GLU ASN PRO          
SEQRES   2 B  286  ARG ARG PHE VAL ILE PHE PRO ILE GLU TYR HIS ASP ILE          
SEQRES   3 B  286  TRP GLN MET TYR LYS LYS ALA GLU ALA SER PHE TRP THR          
SEQRES   4 B  286  ALA GLU ALA VAL ASP LEU SER LYS ASP ILE GLN HIS TRP          
SEQRES   5 B  286  GLU SER LEU LYS PRO GLU GLU ARG TYR PHE ILE SER HIS          
SEQRES   6 B  286  VAL LEU ALA PHE PHE ALA ALA SER ASP GLY ILE VAL ASN          
SEQRES   7 B  286  GLU ASN LEU VAL GLU ARG PHE SER GLN GLU VAL GLN ILE          
SEQRES   8 B  286  THR GLU ALA ARG CYS PHE TYR GLY PHE GLN ILE ALA MET          
SEQRES   9 B  286  GLU ASN ILE HIS SER GLU MET TYR SER LEU LEU ILE ASP          
SEQRES  10 B  286  THR TYR ILE LYS ASP PRO LYS GLU ARG GLU PHE LEU PHE          
SEQRES  11 B  286  ASN ALA ILE GLU THR MET PRO CYS VAL LYS LYS LYS ALA          
SEQRES  12 B  286  ASP TRP ALA LEU ARG TRP ILE GLY ASP LYS GLU ALA THR          
SEQRES  13 B  286  TYR GLY GLU ARG VAL VAL ALA PHE ALA ALA VAL GLU GLY          
SEQRES  14 B  286  ILE PHE PHE SER GLY SER PHE ALA SER ILE PHE TRP LEU          
SEQRES  15 B  286  LYS LYS ARG GLY LEU MET PRO GLY LEU THR PHE SER ASN          
SEQRES  16 B  286  GLU LEU ILE SER ARG ASP GLU GLY LEU HIS CYS ASP PHE          
SEQRES  17 B  286  ALA CYS LEU MET PHE LYS HIS LEU VAL HIS LYS PRO SER          
SEQRES  18 B  286  GLU GLU ARG VAL ARG GLU ILE ILE ILE ASN ALA VAL ARG          
SEQRES  19 B  286  ILE GLU GLN GLU PHE LEU THR GLU ALA LEU PRO VAL LYS          
SEQRES  20 B  286  LEU ILE GLY MET ASN CYS THR LEU MET LYS GLN TYR ILE          
SEQRES  21 B  286  GLU PHE VAL ALA ASP ARG LEU MET LEU GLU LEU GLY PHE          
SEQRES  22 B  286  SER LYS VAL PHE ARG VAL GLU ASN PRO PHE ASP PHE MET          
HET     MG  A 401       1                                                       
HET     FE  A 402       1                                                       
HET     MG  B 401       1                                                       
HET     FE  B 402       1                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM      FE FE (III) ION                                                     
FORMUL   3   MG    2(MG 2+)                                                     
FORMUL   4   FE    2(FE 3+)                                                     
FORMUL   7  HOH   *46(H2 O)                                                     
HELIX    1   1 TYR A   87  SER A  100  1                                  14    
HELIX    2   2 THR A  103  VAL A  107  5                                   5    
HELIX    3   3 ASP A  112  LEU A  119  1                                   8    
HELIX    4   4 LYS A  120  ARG A  148  1                                  29    
HELIX    5   5 ARG A  148  VAL A  153  1                                   6    
HELIX    6   6 ILE A  155  ILE A  184  1                                  30    
HELIX    7   7 ASP A  186  ASN A  195  1                                  10    
HELIX    8   8 ASN A  195  MET A  200  1                                   6    
HELIX    9   9 VAL A  203  ASP A  216  1                                  14    
HELIX   10  10 THR A  220  ILE A  234  1                                  15    
HELIX   11  11 PHE A  236  ARG A  249  1                                  14    
HELIX   12  12 MET A  252  HIS A  279  1                                  28    
HELIX   13  13 SER A  285  GLU A  306  1                                  22    
HELIX   14  14 PRO A  309  GLY A  314  5                                   6    
HELIX   15  15 ASN A  316  LEU A  335  1                                  20    
HELIX   16  16 TYR B   87  SER B  100  1                                  14    
HELIX   17  17 THR B  103  VAL B  107  5                                   5    
HELIX   18  18 LYS B  111  LEU B  119  1                                   9    
HELIX   19  19 LYS B  120  ARG B  148  1                                  29    
HELIX   20  20 ARG B  148  VAL B  153  1                                   6    
HELIX   21  21 ILE B  155  ILE B  184  1                                  30    
HELIX   22  22 ASP B  186  ASN B  195  1                                  10    
HELIX   23  23 ASN B  195  MET B  200  1                                   6    
HELIX   24  24 MET B  200  ASP B  216  1                                  17    
HELIX   25  25 THR B  220  ILE B  234  1                                  15    
HELIX   26  26 PHE B  236  ARG B  249  1                                  14    
HELIX   27  27 MET B  252  HIS B  279  1                                  28    
HELIX   28  28 SER B  285  GLU B  306  1                                  22    
HELIX   29  29 PRO B  309  GLY B  314  5                                   6    
HELIX   30  30 ASN B  316  LEU B  335  1                                  20    
LINK         OE1 GLU B 232                FE    FE B 402     1555   1555  1.95  
LINK         OE1 GLU A 232                FE    FE A 402     1555   1555  1.96  
LINK         OE1 GLU A 266                FE    FE A 402     1555   1555  1.97  
LINK         OE1 GLU B 266                FE    FE B 402     1555   1555  2.02  
LINK         OE2 GLU B 169                FE    FE B 402     1555   1555  2.07  
LINK         OE2 GLU A 266                FE    FE A 402     1555   1555  2.20  
LINK         OE2 GLU A 169                FE    FE A 402     1555   1555  2.22  
LINK         OE2 GLU B 266                FE    FE B 402     1555   1555  2.24  
LINK         O   VAL A  81                MG    MG A 401     1555   1555  2.38  
LINK         ND1 HIS A 269                FE    FE A 402     1555   1555  2.53  
LINK         ND1 HIS B 269                FE    FE B 402     1555   1555  2.57  
LINK         OG1 THR A 156                MG    MG A 401     1555   1555  2.62  
LINK         OG1 THR B 156                MG    MG B 401     1555   1555  2.64  
LINK         O   ARG A  78                MG    MG A 401     1555   1555  2.71  
LINK         O   ARG B  78                MG    MG B 401     1555   1555  2.76  
LINK         O   VAL B  81                MG    MG B 401     1555   1555  2.87  
CISPEP   1 MET A   65    GLY A   66          0         7.39                     
CISPEP   2 PHE A   83    PRO A   84          0        -3.40                     
CISPEP   3 MET B   65    GLY B   66          0         4.52                     
CISPEP   4 PHE B   83    PRO B   84          0        -7.16                     
SITE     1 AC1  3 ARG A  78  VAL A  81  THR A 156                               
SITE     1 AC2  5 GLN A 165  GLU A 169  GLU A 232  GLU A 266                    
SITE     2 AC2  5 HIS A 269                                                     
SITE     1 AC3  3 ARG B  78  VAL B  81  THR B 156                               
SITE     1 AC4  4 GLU B 169  GLU B 232  GLU B 266  HIS B 269                    
CRYST1  108.998  108.998  174.948  90.00  90.00  90.00 P 43 21 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      0.009174  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009174  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.005716        0.00000