HEADER    ELECTRON TRANSPORT                      03-JUL-20   6XNK              
TITLE     CRYSTAL STRUCTURE OF DIMERIC K72A HUMAN CYTOCHROME C ALKALINE         
TITLE    2 CONFORMER                                                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CYTOCHROME C;                                              
COMPND   3 CHAIN: A, C, E, G;                                                   
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 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: CYCS, CYC;                                                     
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    CYTOCHROME C, CARDIOLIPIN, HEME PROTEIN, ELECTRON TRANSPORT           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.LEI,B.E.BOWLER                                                      
REVDAT   4   23-OCT-24 6XNK    1       REMARK                                   
REVDAT   3   18-OCT-23 6XNK    1       REMARK                                   
REVDAT   2   16-NOV-22 6XNK    1       JRNL                                     
REVDAT   1   07-JUL-21 6XNK    0                                                
JRNL        AUTH   H.LEI,A.D.KELLY,B.E.BOWLER                                   
JRNL        TITL   ALKALINE STATE OF THE DOMAIN-SWAPPED DIMER OF HUMAN          
JRNL        TITL 2 CYTOCHROME C : A CONFORMATIONAL SWITCH FOR APOPTOTIC         
JRNL        TITL 3 PEROXIDASE ACTIVITY.                                         
JRNL        REF    J.AM.CHEM.SOC.                             2022              
JRNL        REFN                   ESSN 1520-5126                               
JRNL        PMID   36346995                                                     
JRNL        DOI    10.1021/JACS.2C08325                                         
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.08 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.7.0032                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : NULL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.08                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 42.11                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 1.960                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 90.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 22029                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : FREE R-VALUE                    
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.182                           
REMARK   3   R VALUE            (WORKING SET) : 0.176                           
REMARK   3   FREE R VALUE                     : 0.234                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 9.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1999                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.08                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.13                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1115                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 71.01                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2182                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 112                          
REMARK   3   BIN FREE R VALUE                    : 0.3003                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3244                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 172                                     
REMARK   3   SOLVENT ATOMS            : 109                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 28.49                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 42.90                          
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  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): NULL          
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.250         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL          
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : NULL                          
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : NULL                          
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):  NULL ;  NULL ;  NULL       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
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):  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):  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 : 1                                 
REMARK   3                                                                      
REMARK   3  NCS GROUP NUMBER               : 1                                  
REMARK   3     CHAIN NAMES                    : NULL                            
REMARK   3     NUMBER OF COMPONENTS NCS GROUP : 1                               
REMARK   3       COMPONENT C  SSSEQI  TO  C   SSSEQI   CODE                     
REMARK   3           1     A      1       A     104    NULL                     
REMARK   3           1     C      1       C     104    NULL                     
REMARK   3           1     E      1       E     104    NULL                     
REMARK   3           1     G      1       G     104    NULL                     
REMARK   3                   GROUP CHAIN        COUNT   RMS     WEIGHT          
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.11                                          
REMARK   3   ION PROBE RADIUS   : NULL                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 6XNK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-JUL-20.                  
REMARK 100 THE DEPOSITION ID IS D_1000250402.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 18-FEB-18                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 9-9.9                              
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 19-ID                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.987                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS3 X 6M              
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : AIMLESS                            
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 22075                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.080                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 42.120                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 90.5                               
REMARK 200  DATA REDUNDANCY                : 3.000                              
REMARK 200  R MERGE                    (I) : 0.14000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 3.0500                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.08                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.15                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 72.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.60000                            
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: MOLREP                                                
REMARK 200 STARTING MODEL: 5TY3                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 45.43                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.25                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 30% MPD, 0.1 M CHES PH 9.9, VAPOR        
REMARK 280  DIFFUSION, SITTING DROP, TEMPERATURE 293K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1                              
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 6610 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 10990 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -90.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, C                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
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: 6700 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 10880 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -87.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: E, G                                  
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: 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   HZ2  LYS G    79    FE    HEC G   201              1.25            
REMARK 500   HZ2  LYS A    79    FE    HEC A   201              1.28            
REMARK 500   HZ2  LYS C    79    FE    HEC C   201              1.29            
REMARK 500   HH   TYR C    67     HZ3  LYS C    79              1.30            
REMARK 500   SG   CYS A    17     HAC  HEC A   201              1.35            
REMARK 500   HZ2  LYS E    79    FE    HEC E   201              1.37            
REMARK 500   SG   CYS G    17     HAC  HEC G   201              1.39            
REMARK 500   H    GLY A    23     O    HOH A   302              1.46            
REMARK 500   HZ3  LYS A    39     O    HOH A   304              1.54            
REMARK 500   HG1  THR A    28     O    HOH A   303              1.58            
REMARK 500   O    THR C    49     O    HOH C   301              1.89            
REMARK 500   SG   CYS C    17     CAC  HEC C   201              2.09            
REMARK 500   O    LYS C    53     O    HOH C   302              2.09            
REMARK 500   O    ALA C    50     O    HOH C   302              2.17            
REMARK 500   O    HOH C   302     O    HOH C   331              2.18            
REMARK 500   SG   CYS A    17     CAC  HEC A   201              2.18            
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    CYS A  14      -33.10   -130.81                                   
REMARK 500    LYS A  27     -138.87   -118.93                                   
REMARK 500    ASN A  52      -50.31    134.52                                   
REMARK 500    ASN A  54       28.69    -67.44                                   
REMARK 500    CYS C  14      -32.35   -131.13                                   
REMARK 500    LYS C  27     -139.11   -122.57                                   
REMARK 500    ASN C  52      -49.31    166.73                                   
REMARK 500    ASN C  54       28.66     39.88                                   
REMARK 500    CYS E  14      -31.01   -130.83                                   
REMARK 500    LYS E  27     -139.00   -122.44                                   
REMARK 500    ASN E  52       89.41     90.51                                   
REMARK 500    LYS E  53      -27.01    141.75                                   
REMARK 500    CYS G  14      -32.82   -131.10                                   
REMARK 500    LYS G  27     -138.04   -121.36                                   
REMARK 500    ASN G  54       28.71     43.21                                   
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                             HEC A 201  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  18   NE2                                                    
REMARK 620 2 HEC A 201   NA   86.6                                              
REMARK 620 3 HEC A 201   NB   87.2  93.7                                        
REMARK 620 4 HEC A 201   NC   88.7 175.1  87.3                                  
REMARK 620 5 HEC A 201   ND   88.8  84.6 175.7  94.0                            
REMARK 620 6 LYS A  79   NZ  173.1  86.5  92.4  98.2  91.4                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEC C 201  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS C  18   NE2                                                    
REMARK 620 2 HEC C 201   NA   86.7                                              
REMARK 620 3 HEC C 201   NB   83.2  87.0                                        
REMARK 620 4 HEC C 201   NC   88.4 175.0  91.7                                  
REMARK 620 5 HEC C 201   ND   91.4  89.4 173.7  91.5                            
REMARK 620 6 LYS C  79   NZ  173.7  87.2  95.3  97.7  89.7                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEC E 201  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS E  18   NE2                                                    
REMARK 620 2 HEC E 201   NA   88.0                                              
REMARK 620 3 HEC E 201   NB   91.0  92.5                                        
REMARK 620 4 HEC E 201   NC   89.0 176.9  86.7                                  
REMARK 620 5 HEC E 201   ND   85.5  85.8 176.2  94.8                            
REMARK 620 6 LYS E  79   NZ  174.0  86.9  86.1  96.1  97.2                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEC G 201  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS G  18   NE2                                                    
REMARK 620 2 HEC G 201   NA   88.7                                              
REMARK 620 3 HEC G 201   NB   93.3  90.8                                        
REMARK 620 4 HEC G 201   NC   93.5 177.1  87.1                                  
REMARK 620 5 HEC G 201   ND   86.8  88.3 179.1  93.8                            
REMARK 620 6 LYS G  79   NZ  172.0  83.5  88.4  94.3  91.4                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue HEC A 201                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for Di-peptide HEC C 201 and CYS C    
REMARK 800  14                                                                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for Di-peptide HEC E 201 and CYS E    
REMARK 800  17                                                                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for Di-peptide HEC E 201 and CYS E    
REMARK 800  14                                                                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for Di-peptide HEC G 201 and CYS G    
REMARK 800  14                                                                  
DBREF  6XNK A    1   104  UNP    P99999   CYC_HUMAN        2    105             
DBREF  6XNK C    1   104  UNP    P99999   CYC_HUMAN        2    105             
DBREF  6XNK E    1   104  UNP    P99999   CYC_HUMAN        2    105             
DBREF  6XNK G    1   104  UNP    P99999   CYC_HUMAN        2    105             
SEQADV 6XNK ALA A   72  UNP  P99999    LYS    73 ENGINEERED MUTATION            
SEQADV 6XNK ALA C   72  UNP  P99999    LYS    73 ENGINEERED MUTATION            
SEQADV 6XNK ALA E   72  UNP  P99999    LYS    73 ENGINEERED MUTATION            
SEQADV 6XNK ALA G   72  UNP  P99999    LYS    73 ENGINEERED MUTATION            
SEQRES   1 A  104  GLY ASP VAL GLU LYS GLY LYS LYS ILE PHE ILE MET LYS          
SEQRES   2 A  104  CYS SER GLN CYS HIS THR VAL GLU LYS GLY GLY LYS HIS          
SEQRES   3 A  104  LYS THR GLY PRO ASN LEU HIS GLY LEU PHE GLY ARG LYS          
SEQRES   4 A  104  THR GLY GLN ALA PRO GLY TYR SER TYR THR ALA ALA ASN          
SEQRES   5 A  104  LYS ASN LYS GLY ILE ILE TRP GLY GLU ASP THR LEU MET          
SEQRES   6 A  104  GLU TYR LEU GLU ASN PRO ALA LYS TYR ILE PRO GLY THR          
SEQRES   7 A  104  LYS MET ILE PHE VAL GLY ILE LYS LYS LYS GLU GLU ARG          
SEQRES   8 A  104  ALA ASP LEU ILE ALA TYR LEU LYS LYS ALA THR ASN GLU          
SEQRES   1 C  104  GLY ASP VAL GLU LYS GLY LYS LYS ILE PHE ILE MET LYS          
SEQRES   2 C  104  CYS SER GLN CYS HIS THR VAL GLU LYS GLY GLY LYS HIS          
SEQRES   3 C  104  LYS THR GLY PRO ASN LEU HIS GLY LEU PHE GLY ARG LYS          
SEQRES   4 C  104  THR GLY GLN ALA PRO GLY TYR SER TYR THR ALA ALA ASN          
SEQRES   5 C  104  LYS ASN LYS GLY ILE ILE TRP GLY GLU ASP THR LEU MET          
SEQRES   6 C  104  GLU TYR LEU GLU ASN PRO ALA LYS TYR ILE PRO GLY THR          
SEQRES   7 C  104  LYS MET ILE PHE VAL GLY ILE LYS LYS LYS GLU GLU ARG          
SEQRES   8 C  104  ALA ASP LEU ILE ALA TYR LEU LYS LYS ALA THR ASN GLU          
SEQRES   1 E  104  GLY ASP VAL GLU LYS GLY LYS LYS ILE PHE ILE MET LYS          
SEQRES   2 E  104  CYS SER GLN CYS HIS THR VAL GLU LYS GLY GLY LYS HIS          
SEQRES   3 E  104  LYS THR GLY PRO ASN LEU HIS GLY LEU PHE GLY ARG LYS          
SEQRES   4 E  104  THR GLY GLN ALA PRO GLY TYR SER TYR THR ALA ALA ASN          
SEQRES   5 E  104  LYS ASN LYS GLY ILE ILE TRP GLY GLU ASP THR LEU MET          
SEQRES   6 E  104  GLU TYR LEU GLU ASN PRO ALA LYS TYR ILE PRO GLY THR          
SEQRES   7 E  104  LYS MET ILE PHE VAL GLY ILE LYS LYS LYS GLU GLU ARG          
SEQRES   8 E  104  ALA ASP LEU ILE ALA TYR LEU LYS LYS ALA THR ASN GLU          
SEQRES   1 G  104  GLY ASP VAL GLU LYS GLY LYS LYS ILE PHE ILE MET LYS          
SEQRES   2 G  104  CYS SER GLN CYS HIS THR VAL GLU LYS GLY GLY LYS HIS          
SEQRES   3 G  104  LYS THR GLY PRO ASN LEU HIS GLY LEU PHE GLY ARG LYS          
SEQRES   4 G  104  THR GLY GLN ALA PRO GLY TYR SER TYR THR ALA ALA ASN          
SEQRES   5 G  104  LYS ASN LYS GLY ILE ILE TRP GLY GLU ASP THR LEU MET          
SEQRES   6 G  104  GLU TYR LEU GLU ASN PRO ALA LYS TYR ILE PRO GLY THR          
SEQRES   7 G  104  LYS MET ILE PHE VAL GLY ILE LYS LYS LYS GLU GLU ARG          
SEQRES   8 G  104  ALA ASP LEU ILE ALA TYR LEU LYS LYS ALA THR ASN GLU          
HET    HEC  A 201      75                                                       
HET    HEC  C 201      73                                                       
HET    HEC  E 201      74                                                       
HET    HEC  G 201      75                                                       
HETNAM     HEC HEME C                                                           
FORMUL   5  HEC    4(C34 H34 FE N4 O4)                                          
FORMUL   9  HOH   *109(H2 O)                                                    
HELIX    1 AA1 ASP A    2  CYS A   14  1                                  13    
HELIX    2 AA2 THR A   49  ASN A   54  1                                   6    
HELIX    3 AA3 GLY A   60  ASN A   70  1                                  11    
HELIX    4 AA4 ASN A   70  ILE A   75  1                                   6    
HELIX    5 AA5 PRO A   76  THR A  102  1                                  27    
HELIX    6 AA6 ASP C    2  CYS C   14  1                                  13    
HELIX    7 AA7 GLY C   60  ASN C   70  1                                  11    
HELIX    8 AA8 PRO C   71  TYR C   74  5                                   4    
HELIX    9 AA9 PRO C   76  THR C  102  1                                  27    
HELIX   10 AB1 ASP E    2  CYS E   14  1                                  13    
HELIX   11 AB2 GLY E   60  ASN E   70  1                                  11    
HELIX   12 AB3 ASN E   70  ILE E   75  1                                   6    
HELIX   13 AB4 PRO E   76  THR E  102  1                                  27    
HELIX   14 AB5 ASP G    2  CYS G   14  1                                  13    
HELIX   15 AB6 GLY G   60  ASN G   70  1                                  11    
HELIX   16 AB7 PRO G   71  TYR G   74  5                                   4    
HELIX   17 AB8 PRO G   76  THR G  102  1                                  27    
LINK         SG  CYS A  14                 CAB HEC A 201     1555   1555  1.83  
LINK         SG  CYS C  14                 CAB HEC C 201     1555   1555  1.95  
LINK         SG  CYS E  14                 CAB HEC E 201     1555   1555  1.89  
LINK         SG  CYS E  17                 CAC HEC E 201     1555   1555  1.99  
LINK         SG  CYS G  14                 CAB HEC G 201     1555   1555  1.80  
LINK         NE2 HIS A  18                FE   HEC A 201     1555   1555  1.86  
LINK         NZ  LYS A  79                FE   HEC A 201     1555   1555  1.97  
LINK         NE2 HIS C  18                FE   HEC C 201     1555   1555  2.01  
LINK         NZ  LYS C  79                FE   HEC C 201     1555   1555  1.91  
LINK         NE2 HIS E  18                FE   HEC E 201     1555   1555  1.93  
LINK         NZ  LYS E  79                FE   HEC E 201     1555   1555  2.05  
LINK         NE2 HIS G  18                FE   HEC G 201     1555   1555  1.97  
LINK         NZ  LYS G  79                FE   HEC G 201     1555   1555  1.93  
SITE     1 AC1 20 LYS A  13  CYS A  14  CYS A  17  HIS A  18                    
SITE     2 AC1 20 THR A  28  PRO A  30  THR A  40  GLY A  41                    
SITE     3 AC1 20 TYR A  46  TYR A  48  THR A  49  ALA A  51                    
SITE     4 AC1 20 ASN A  52  TRP A  59  PRO A  76  LYS A  79                    
SITE     5 AC1 20 PHE A  82  HOH A 307  HOH A 313  LEU C  94                    
SITE     1 AC2 22 PHE C  10  LYS C  13  SER C  15  GLN C  16                    
SITE     2 AC2 22 CYS C  17  HIS C  18  THR C  28  PRO C  30                    
SITE     3 AC2 22 GLY C  41  TYR C  46  TYR C  48  THR C  49                    
SITE     4 AC2 22 ASN C  52  TRP C  59  TYR C  67  LYS C  79                    
SITE     5 AC2 22 PHE C  82  VAL C  83  LYS C  86  HOH C 301                    
SITE     6 AC2 22 HOH C 306  HOH C 321                                          
SITE     1 AC3 22 LYS E  13  CYS E  14  SER E  15  GLN E  16                    
SITE     2 AC3 22 HIS E  18  LYS E  27  THR E  28  GLY E  29                    
SITE     3 AC3 22 PRO E  30  LEU E  35  GLY E  41  TYR E  48                    
SITE     4 AC3 22 THR E  49  ALA E  51  ASN E  52  TRP E  59                    
SITE     5 AC3 22 TYR E  67  LYS E  79  PHE E  82  LYS E  86                    
SITE     6 AC3 22 HOH E 304  HOH E 306                                          
SITE     1 AC4 22 PHE E  10  LYS E  13  SER E  15  GLN E  16                    
SITE     2 AC4 22 CYS E  17  HIS E  18  THR E  28  GLY E  29                    
SITE     3 AC4 22 PRO E  30  LEU E  35  GLY E  41  TYR E  48                    
SITE     4 AC4 22 THR E  49  ALA E  51  ASN E  52  TRP E  59                    
SITE     5 AC4 22 TYR E  67  LYS E  79  PHE E  82  LYS E  86                    
SITE     6 AC4 22 HOH E 304  HOH E 306                                          
SITE     1 AC5 22 PHE G  10  MET G  12  LYS G  13  SER G  15                    
SITE     2 AC5 22 GLN G  16  CYS G  17  HIS G  18  THR G  28                    
SITE     3 AC5 22 THR G  40  GLY G  41  TYR G  46  TYR G  48                    
SITE     4 AC5 22 THR G  49  ALA G  51  ASN G  52  TRP G  59                    
SITE     5 AC5 22 TYR G  67  PRO G  76  LYS G  79  PHE G  82                    
SITE     6 AC5 22 LYS G  86  HOH G 313                                          
CRYST1   35.660   49.595   61.556  77.97  79.02  90.19 P 1           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      0.028043  0.000093 -0.005591        0.00000                         
SCALE2      0.000000  0.020163 -0.004396        0.00000                         
SCALE3      0.000000  0.000000  0.016937        0.00000