HEADER    OXIDOREDUCTASE                          05-FEB-22   7R2U              
TITLE     CRYSTAL STRUCTURE OF AS-ISOLATED Q262N MUTANT OF THREE-DOMAIN HEME-CU 
TITLE    2 NITRITE REDUCTASE FROM RALSTONIA PICKETTII                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: COPPER-CONTAINING NITRITE REDUCTASE;                       
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 1.7.2.1;                                                         
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: RALSTONIA PICKETTII;                            
SOURCE   3 ORGANISM_TAXID: 329;                                                 
SOURCE   4 GENE: RP6297_03937;                                                  
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID, PET-26B                      
KEYWDS    HAEM AND CU CONTAINING NITRITE REDUCTASE, ELECTRON TRANSFER, REDOX    
KEYWDS   2 REACTIONS, METAL BINDING PROTEIN, OXIDOREDUCTASE                     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    N.PETCHYAM,S.ANTONYUK,S.S.HASNAIN                                     
REVDAT   3   23-OCT-24 7R2U    1       REMARK                                   
REVDAT   2   07-FEB-24 7R2U    1       REMARK                                   
REVDAT   1   15-FEB-23 7R2U    0                                                
JRNL        AUTH   N.PETCHYAM,S.ANTONYUK,S.S.HASNAIN                            
JRNL        TITL   STRUCTURAL AND BIOCHEMICAL STUDIES OF THREE-DOMAIN HAEM      
JRNL        TITL 2 CUNIR FROM RALSTONIA PICKETTII MUTANTS                       
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.8.0267                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 37.63                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 100.0                          
REMARK   3   NUMBER OF REFLECTIONS             : 79820                          
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) : 0.108                           
REMARK   3   R VALUE            (WORKING SET) : 0.105                           
REMARK   3   FREE R VALUE                     : 0.153                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 4134                            
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) : 1.50                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.54                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 5901                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 99.94                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2670                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 335                          
REMARK   3   BIN FREE R VALUE                    : 0.2810                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3439                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 45                                      
REMARK   3   SOLVENT ATOMS            : 613                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 24.35                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.41000                                              
REMARK   3    B22 (A**2) : 1.41000                                              
REMARK   3    B33 (A**2) : -4.58000                                             
REMARK   3    B12 (A**2) : 0.71000                                              
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): 0.055         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.056         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.051         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.455         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.988                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.976                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  4109 ; 0.018 ; 0.012       
REMARK   3   BOND LENGTHS OTHERS               (A):  3912 ; 0.005 ; 0.016       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  5693 ; 2.052 ; 1.662       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  9126 ; 0.691 ; 1.574       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   588 ; 7.110 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   200 ;38.140 ;23.400       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   692 ;13.403 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    19 ;21.359 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   529 ; 0.131 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  4909 ; 0.013 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   934 ; 0.004 ; 0.020       
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):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
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):  8020 ; 4.523 ; 3.000       
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   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN USED IF PRESENT IN    
REMARK   3  THE INPUT U VALUES : REFINED INDIVIDUALLY                           
REMARK   4                                                                      
REMARK   4 7R2U COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 08-FEB-22.                  
REMARK 100 THE DEPOSITION ID IS D_1292120576.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 10-MAR-21                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.7                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : DIAMOND                            
REMARK 200  BEAMLINE                       : I24                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.99990                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS3 6M                
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XIA2                               
REMARK 200  DATA SCALING SOFTWARE          : AIMLESS 0.7.4                      
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 83956                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 37.630                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY                : 5.000                              
REMARK 200  R MERGE                    (I) : 0.10800                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 8.3000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.53                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 1.32400                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.200                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS            
REMARK 200 SOFTWARE USED: AUTOPROCESS                                           
REMARK 200 STARTING MODEL: 3ZIY                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 54.08                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.68                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM BIS-TRIS PROPANE PH 7.7, 200 MM   
REMARK 280  SODIUM CITRATE, AND 22% PEG3350, VAPOR DIFFUSION, HANGING DROP,     
REMARK 280  TEMPERATURE 277K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3                              
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z                                                
REMARK 290       3555   -X+Y,-X,Z                                               
REMARK 290       4555   X+2/3,Y+1/3,Z+1/3                                       
REMARK 290       5555   -Y+2/3,X-Y+1/3,Z+1/3                                    
REMARK 290       6555   -X+Y+2/3,-X+1/3,Z+1/3                                   
REMARK 290       7555   X+1/3,Y+2/3,Z+2/3                                       
REMARK 290       8555   -Y+1/3,X-Y+2/3,Z+2/3                                    
REMARK 290       9555   -X+Y+1/3,-X+2/3,Z+2/3                                   
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       63.82500            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       36.84938            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       28.76333            
REMARK 290   SMTRY1   5 -0.500000 -0.866025  0.000000       63.82500            
REMARK 290   SMTRY2   5  0.866025 -0.500000  0.000000       36.84938            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       28.76333            
REMARK 290   SMTRY1   6 -0.500000  0.866025  0.000000       63.82500            
REMARK 290   SMTRY2   6 -0.866025 -0.500000  0.000000       36.84938            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       28.76333            
REMARK 290   SMTRY1   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       73.69876            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000       57.52667            
REMARK 290   SMTRY1   8 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.866025 -0.500000  0.000000       73.69876            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000       57.52667            
REMARK 290   SMTRY1   9 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025 -0.500000  0.000000       73.69876            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000       57.52667            
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: TRIMERIC                          
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC                   
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 18100 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 44520 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -211.0 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 350   BIOMT1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   3  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 A1142  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A1208  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     ALA A     1                                                      
REMARK 465     SER A     2                                                      
REMARK 465     ALA A     3                                                      
REMARK 465     PRO A   461                                                      
REMARK 465     ALA A   462                                                      
REMARK 465     LYS A   463                                                      
REMARK 465     ALA A   464                                                      
REMARK 465     VAL A   465                                                      
REMARK 465     ALA A   466                                                      
REMARK 465     GLU A   467                                                      
REMARK 465     HIS A   468                                                      
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     LYS A   4    CG   CD   CE   NZ                                   
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   HE2  HIS A   368    FE    HEC A   503              1.15            
REMARK 500   H    LEU A     5     O    HOH A   607              1.46            
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   OH   TYR A   314     O    HOH A   959     3555     2.06            
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    GLU A  44   CD    GLU A  44   OE1     0.123                       
REMARK 500    GLU A  49   CD    GLU A  49   OE1     0.068                       
REMARK 500    GLU A 158   CD    GLU A 158   OE1     0.071                       
REMARK 500    GLU A 182   CD    GLU A 182   OE1     0.078                       
REMARK 500    GLU A 428   CD    GLU A 428   OE1     0.067                       
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    ARG A 279   NE  -  CZ  -  NH1 ANGL. DEV. =   3.3 DEGREES          
REMARK 500    ASP A 386   CB  -  CG  -  OD1 ANGL. DEV. =   5.9 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    ASP A   8       71.85   -103.60                                   
REMARK 500    ARG A 197       70.88   -118.61                                   
REMARK 500    GLU A 252     -127.14     46.97                                   
REMARK 500    ASN A 260       45.57     71.48                                   
REMARK 500    GLN A 369      159.93     73.30                                   
REMARK 500    GLN A 369      157.81     76.76                                   
REMARK 500    ASP A 391       82.03   -162.93                                   
REMARK 500    ASP A 391       92.57   -162.93                                   
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 A1211        DISTANCE =  6.05 ANGSTROMS                       
REMARK 525    HOH A1212        DISTANCE =  6.33 ANGSTROMS                       
REMARK 525    HOH A1213        DISTANCE =  7.01 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                              CU A 501  CU                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  94   ND1                                                    
REMARK 620 2 CYS A 135   SG  136.3                                              
REMARK 620 3 HIS A 143   ND1 102.8 108.0                                        
REMARK 620 4 MET A 148   SD   84.1 111.2 111.9                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CU A 502  CU                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  99   NE2                                                    
REMARK 620 2 HIS A 134   NE2 115.4                                              
REMARK 620 3 HIS A 289   NE2  76.9 103.5                                        
REMARK 620 4 HOH A 651   O    96.9 109.0 146.1                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEC A 503  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 368   NE2                                                    
REMARK 620 2 HEC A 503   NA   91.6                                              
REMARK 620 3 HEC A 503   NB   86.7  89.5                                        
REMARK 620 4 HEC A 503   NC   90.2 178.2  90.2                                  
REMARK 620 5 HEC A 503   ND   91.3  90.1 177.9  90.3                            
REMARK 620 6 MET A 418   SD  176.1  84.6  92.6  93.7  89.4                      
REMARK 620 N                    1     2     3     4     5                       
DBREF  7R2U A    1   468  UNP    I6NAW4   I6NAW4_RALPI    32    499             
SEQADV 7R2U ASN A  262  UNP  I6NAW4    GLN   293 ENGINEERED MUTATION            
SEQRES   1 A  468  ALA SER ALA LYS LEU PRO GLY ASP PHE GLY PRO PRO ARG          
SEQRES   2 A  468  GLY GLU PRO ILE HIS ALA VAL LEU THR SER PRO PRO LEU          
SEQRES   3 A  468  VAL PRO PRO PRO VAL ASN ARG THR TYR PRO ALA LYS VAL          
SEQRES   4 A  468  ILE VAL GLU LEU GLU VAL VAL GLU LYS GLU MET GLN ILE          
SEQRES   5 A  468  SER GLU GLY VAL SER TYR THR PHE TRP THR PHE GLY GLY          
SEQRES   6 A  468  THR VAL PRO GLY SER PHE ILE ARG VAL ARG GLN GLY ASP          
SEQRES   7 A  468  THR VAL GLU PHE HIS LEU LYS ASN HIS PRO SER SER LYS          
SEQRES   8 A  468  MET PRO HIS ASN ILE ASP LEU HIS GLY VAL THR GLY PRO          
SEQRES   9 A  468  GLY GLY GLY ALA ALA SER SER PHE THR ALA PRO GLY HIS          
SEQRES  10 A  468  GLU SER GLN PHE THR PHE LYS ALA LEU ASN GLU GLY ILE          
SEQRES  11 A  468  TYR VAL TYR HIS CYS ALA THR ALA PRO VAL GLY MET HIS          
SEQRES  12 A  468  ILE ALA ASN GLY MET TYR GLY LEU ILE LEU VAL GLU PRO          
SEQRES  13 A  468  PRO GLU GLY LEU PRO LYS VAL ASP HIS GLU TYR TYR VAL          
SEQRES  14 A  468  MET GLN GLY ASP PHE TYR THR ALA GLY LYS TYR ARG GLU          
SEQRES  15 A  468  LYS GLY LEU GLN PRO PHE ASP MET GLU LYS ALA ILE ASP          
SEQRES  16 A  468  GLU ARG PRO SER TYR VAL LEU PHE ASN GLY ALA GLU GLY          
SEQRES  17 A  468  ALA LEU THR GLY ASP LYS ALA LEU HIS ALA LYS VAL GLY          
SEQRES  18 A  468  GLU THR VAL ARG ILE PHE VAL GLY ASN GLY GLY PRO ASN          
SEQRES  19 A  468  LEU VAL SER SER PHE HIS VAL ILE GLY ALA ILE PHE ASP          
SEQRES  20 A  468  GLN VAL ARG TYR GLU GLY GLY THR ASN VAL GLN LYS ASN          
SEQRES  21 A  468  VAL ASN THR THR LEU ILE PRO ALA GLY GLY ALA ALA VAL          
SEQRES  22 A  468  VAL LYS PHE THR ALA ARG VAL PRO GLY SER TYR VAL LEU          
SEQRES  23 A  468  VAL ASP HIS SER ILE PHE ARG ALA PHE ASN LYS GLY ALA          
SEQRES  24 A  468  MET ALA ILE LEU LYS ILE ASP GLY ALA GLU ASN LYS LEU          
SEQRES  25 A  468  VAL TYR SER GLY LYS GLU LEU ASP SER VAL TYR LEU GLY          
SEQRES  26 A  468  ASP ARG ALA ALA PRO ASN MET SER ALA VAL THR LYS ALA          
SEQRES  27 A  468  THR GLN ALA SER VAL SER GLY THR LEU THR VAL GLN ASP          
SEQRES  28 A  468  GLN VAL GLN ALA GLY ARG ALA LEU PHE ALA GLY THR CYS          
SEQRES  29 A  468  SER VAL CYS HIS GLN GLY ASN GLY ALA GLY LEU PRO GLY          
SEQRES  30 A  468  VAL PHE PRO PRO LEU ALA LYS SER ASP PHE LEU ALA ALA          
SEQRES  31 A  468  ASP PRO LYS ARG ALA MET ASN ILE VAL LEU HIS GLY LEU          
SEQRES  32 A  468  ASN GLY LYS ILE LYS VAL ASN GLY GLN GLU TYR ASP SER          
SEQRES  33 A  468  VAL MET PRO PRO MET THR GLN LEU ASN ASP ASP GLU VAL          
SEQRES  34 A  468  ALA ASN ILE LEU THR TYR VAL LEU ASN SER TRP ASP ASN          
SEQRES  35 A  468  PRO GLY GLY ARG VAL SER ALA GLU ASP VAL LYS LYS VAL          
SEQRES  36 A  468  ARG ALA GLN PRO ALA PRO ALA LYS ALA VAL ALA GLU HIS          
HET     CU  A 501       1                                                       
HET     CU  A 502       1                                                       
HET    HEC  A 503      75                                                       
HETNAM      CU COPPER (II) ION                                                  
HETNAM     HEC HEME C                                                           
FORMUL   2   CU    2(CU 2+)                                                     
FORMUL   4  HEC    C34 H34 FE N4 O4                                             
FORMUL   5  HOH   *613(H2 O)                                                    
HELIX    1 AA1 GLY A  103  PHE A  112  5                                  10    
HELIX    2 AA2 PRO A  139  ASN A  146  1                                   8    
HELIX    3 AA3 ASP A  189  ASP A  195  1                                   7    
HELIX    4 AA4 THR A  211  ALA A  215  5                                   5    
HELIX    5 AA5 SER A  290  LYS A  297  1                                   8    
HELIX    6 AA6 ASP A  320  GLY A  325  1                                   6    
HELIX    7 AA7 ASP A  326  ALA A  328  5                                   3    
HELIX    8 AA8 MET A  332  GLY A  345  1                                  14    
HELIX    9 AA9 THR A  348  ALA A  361  1                                  14    
HELIX   10 AB1 CYS A  364  GLN A  369  1                                   6    
HELIX   11 AB2 SER A  385  ASP A  391  1                                   7    
HELIX   12 AB3 ASP A  391  GLY A  402  1                                  12    
HELIX   13 AB4 ASN A  425  ASN A  438  1                                  14    
HELIX   14 AB5 SER A  448  GLN A  458  1                                  11    
SHEET    1 AA1 4 ILE A  17  HIS A  18  0                                        
SHEET    2 AA1 4 LYS A  38  SER A  53  1  O  ILE A  40   N  ILE A  17           
SHEET    3 AA1 4 THR A  79  ASN A  86  1  O  HIS A  83   N  VAL A  41           
SHEET    4 AA1 4 GLU A 118  LYS A 124 -1  O  PHE A 123   N  VAL A  80           
SHEET    1 AA2 4 ILE A  17  HIS A  18  0                                        
SHEET    2 AA2 4 LYS A  38  SER A  53  1  O  ILE A  40   N  ILE A  17           
SHEET    3 AA2 4 VAL A  56  PHE A  63 -1  O  VAL A  56   N  SER A  53           
SHEET    4 AA2 4 GLY A 184  LEU A 185  1  O  GLY A 184   N  SER A  57           
SHEET    1 AA3 4 ILE A  72  ARG A  75  0                                        
SHEET    2 AA3 4 TYR A 149  GLU A 155  1  O  GLU A 155   N  VAL A  74           
SHEET    3 AA3 4 GLY A 129  HIS A 134 -1  N  GLY A 129   O  VAL A 154           
SHEET    4 AA3 4 ASP A  97  LEU A  98 -1  N  ASP A  97   O  HIS A 134           
SHEET    1 AA4 6 TYR A 200  PHE A 203  0                                        
SHEET    2 AA4 6 HIS A 165  PHE A 174 -1  N  PHE A 174   O  TYR A 200           
SHEET    3 AA4 6 THR A 223  GLY A 232  1  O  PHE A 227   N  TYR A 167           
SHEET    4 AA4 6 ALA A 271  THR A 277 -1  O  ALA A 272   N  VAL A 228           
SHEET    5 AA4 6 PHE A 246  TYR A 251 -1  N  ARG A 250   O  VAL A 273           
SHEET    6 AA4 6 GLN A 258  VAL A 261 -1  O  VAL A 261   N  PHE A 246           
SHEET    1 AA5 5 LEU A 216  LYS A 219  0                                        
SHEET    2 AA5 5 MET A 300  ASP A 306  1  O  LYS A 304   N  LEU A 216           
SHEET    3 AA5 5 GLY A 282  ASP A 288 -1  N  GLY A 282   O  ILE A 305           
SHEET    4 AA5 5 SER A 237  ILE A 242 -1  N  ILE A 242   O  VAL A 285           
SHEET    5 AA5 5 THR A 263  ILE A 266 -1  O  THR A 264   N  PHE A 239           
SHEET    1 AA6 2 LEU A 403  VAL A 409  0                                        
SHEET    2 AA6 2 GLN A 412  MET A 418 -1  O  MET A 418   N  LEU A 403           
LINK         SG  CYS A 364                 CAB HEC A 503     1555   1555  1.76  
LINK         SG  CYS A 367                 CAC HEC A 503     1555   1555  1.83  
LINK         ND1 HIS A  94                CU    CU A 501     1555   1555  2.03  
LINK         NE2 HIS A  99                CU    CU A 502     1555   1555  1.98  
LINK         NE2 HIS A 134                CU    CU A 502     1555   1555  2.04  
LINK         SG  CYS A 135                CU    CU A 501     1555   1555  2.22  
LINK         ND1 HIS A 143                CU    CU A 501     1555   1555  2.05  
LINK         SD  MET A 148                CU    CU A 501     1555   1555  2.55  
LINK         NE2 HIS A 289                CU    CU A 502     1555   3555  2.03  
LINK         NE2 HIS A 368                FE   HEC A 503     1555   1555  2.02  
LINK         SD  MET A 418                FE   HEC A 503     1555   1555  2.34  
LINK        CU    CU A 502                 O   HOH A 651     1555   1555  2.16  
CISPEP   1 PRO A   24    PRO A   25          0         0.85                     
CISPEP   2 VAL A   67    PRO A   68          0        -3.37                     
CISPEP   3 ALA A  138    PRO A  139          0        -8.09                     
CISPEP   4 GLY A  232    PRO A  233          0        12.48                     
CRYST1  127.650  127.650   86.290  90.00  90.00 120.00 H 3           9          
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      0.007834  0.004523  0.000000        0.00000                         
SCALE2      0.000000  0.009046  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011589        0.00000