HEADER    OXIDOREDUCTASE                          02-MAR-17   5NC0              
TITLE     THE 0.91 A RESOLUTION STRUCTURE OF THE L16G MUTANT OF CYTOCHROME C    
TITLE    2 PRIME FROM ALCALIGENES XYLOSOXIDANS, COMPLEXED WITH NITRIC OXIDE     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CYTOCHROME C';                                             
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MUTATION: YES;                                                       
COMPND   6 OTHER_DETAILS: RESIDUE PCA IS PYROGLUTAMIC ACID - 2-PYRROLIDONE-5-   
COMPND   7 CARBOXYLIC ACID                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ALCALIGENES XYLOSOXYDANS XYLOSOXYDANS;          
SOURCE   3 ORGANISM_TAXID: 85698;                                               
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    NITRIC OXIDE, CYTOCHROME, HOMODIMER, OXIDOREDUCTASE                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    R.STRANGE,M.HOUGH,S.ANTONYUK,N.RUSTAGE                                
REVDAT   4   06-NOV-24 5NC0    1       REMARK                                   
REVDAT   3   17-JAN-24 5NC0    1       REMARK                                   
REVDAT   2   11-MAR-20 5NC0    1       SEQRES                                   
REVDAT   1   10-JAN-18 5NC0    0                                                
JRNL        AUTH   Z.N.NILSSON,B.L.MANDELLA,K.SEN,D.KEKILLI,M.A.HOUGH,          
JRNL        AUTH 2 P.MOENNE-LOCCOZ,R.W.STRANGE,C.R.ANDREW                       
JRNL        TITL   DISTINGUISHING NITRO VS NITRITO COORDINATION IN CYTOCHROME   
JRNL        TITL 2 C' USING VIBRATIONAL SPECTROSCOPY AND DENSITY FUNCTIONAL     
JRNL        TITL 3 THEORY.                                                      
JRNL        REF    INORG CHEM                    V.  56 13205 2017              
JRNL        REFN                   ISSN 1520-510X                               
JRNL        PMID   29053273                                                     
JRNL        DOI    10.1021/ACS.INORGCHEM.7B01945                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    0.91 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.8.0158                                      
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) : 0.91                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 44.07                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 101466                         
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) : 0.125                           
REMARK   3   R VALUE            (WORKING SET) : 0.125                           
REMARK   3   FREE R VALUE                     : 0.132                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 5378                            
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) : 0.91                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 0.93                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 7086                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 95.31                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2730                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 359                          
REMARK   3   BIN FREE R VALUE                    : 0.2710                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 936                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 87                                      
REMARK   3   SOLVENT ATOMS            : 230                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 8.98                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.15000                                             
REMARK   3    B22 (A**2) : -0.15000                                             
REMARK   3    B33 (A**2) : 0.48000                                              
REMARK   3    B12 (A**2) : -0.07000                                             
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): 0.014         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.014         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.010         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.378         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.979                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.978                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1091 ; 0.018 ; 0.020       
REMARK   3   BOND LENGTHS OTHERS               (A):   991 ; 0.003 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  1484 ; 2.471 ; 2.077       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  2306 ; 1.075 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   138 ; 4.750 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    41 ;30.774 ;24.390       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   170 ;11.017 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     5 ;11.307 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   149 ; 0.096 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1264 ; 0.012 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):   209 ; 0.002 ; 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):   521 ; 0.716 ; 0.598       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):   518 ; 0.623 ; 0.593       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):   653 ; 0.976 ; 0.900       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):   654 ; 0.984 ; 0.904       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   570 ; 1.530 ; 0.839       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):   570 ; 1.530 ; 0.839       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):   827 ; 1.816 ; 1.169       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  1366 ; 2.578 ; 9.424       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  1367 ; 2.577 ; 9.430       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  2081 ; 5.075 ; 3.000       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):   156 ;19.653 ; 5.000       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  2149 ; 6.354 ; 5.000       
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 : NULL                                                 
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 ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 5NC0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 03-MAR-17.                  
REMARK 100 THE DEPOSITION ID IS D_1200003862.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 05-SEP-10                          
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               : SOLEIL                             
REMARK 200  BEAMLINE                       : PROXIMA 1                          
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.78720                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS 20161101                       
REMARK 200  DATA SCALING SOFTWARE          : AIMLESS 0.5.27                     
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 106845                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 0.910                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 44.070                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY                : 8.000                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 16.1000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 0.91                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 0.93                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 93.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.40                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.300                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: REFMAC 5.8.0158                                       
REMARK 200 STARTING MODEL: 2YL7                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 53.88                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.67                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULPHATE, TRIS PH 7.5, VAPOR    
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 298K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 65 2 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
REMARK 290       4555   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+1/6                                            
REMARK 290       6555   X-Y,X,Z+5/6                                             
REMARK 290       7555   Y,X,-Z+2/3                                              
REMARK 290       8555   X-Y,-Y,-Z                                               
REMARK 290       9555   -X,-X+Y,-Z+1/3                                          
REMARK 290      10555   -Y,-X,-Z+1/6                                            
REMARK 290      11555   -X+Y,Y,-Z+1/2                                           
REMARK 290      12555   X,X-Y,-Z+5/6                                            
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      122.16667            
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       61.08333            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       91.62500            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       30.54167            
REMARK 290   SMTRY1   6  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000      152.70833            
REMARK 290   SMTRY1   7 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000      122.16667            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   9 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   9  0.000000  0.000000 -1.000000       61.08333            
REMARK 290   SMTRY1  10  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  10 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000       30.54167            
REMARK 290   SMTRY1  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  11  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000       91.62500            
REMARK 290   SMTRY1  12  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  12  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000      152.70833            
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: 7270 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 12400 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -141.0 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       30.54167            
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     LYS A   126                                                      
REMARK 465     LYS A   127                                                      
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  FE    HEC A   201     N     NO A   202              1.65            
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   6   CD    GLU A   6   OE1    -0.072                       
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    ASP A  37   CB  -  CG  -  OD1 ANGL. DEV. =   5.5 DEGREES          
REMARK 500    ASP A  98   CB  -  CG  -  OD1 ANGL. DEV. =   5.7 DEGREES          
REMARK 500    ASP A 103   CB  -  CG  -  OD1 ANGL. DEV. =   6.1 DEGREES          
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 A 526        DISTANCE =  6.13 ANGSTROMS                       
REMARK 525    HOH A 527        DISTANCE =  6.21 ANGSTROMS                       
REMARK 525    HOH A 528        DISTANCE =  6.47 ANGSTROMS                       
REMARK 525    HOH A 529        DISTANCE =  6.78 ANGSTROMS                       
REMARK 525    HOH A 530        DISTANCE =  7.61 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                             HEC A 201  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 120   NE2                                                    
REMARK 620 2 HEC A 201   NA   89.3                                              
REMARK 620 3 HEC A 201   NB   86.9  89.3                                        
REMARK 620 4 HEC A 201   NC   86.9 176.2  90.5                                  
REMARK 620 5 HEC A 201   ND   87.6  90.0 174.5  89.9                            
REMARK 620 6  NO A 202   N   175.9  93.8  90.4  90.0  95.1                      
REMARK 620 7  NO A 202   O   168.5  99.0  85.2  84.8 100.4   7.4                
REMARK 620 8  NO A 202   O   160.9 104.9 105.7  78.8  79.8  19.0  21.4          
REMARK 620 N                    1     2     3     4     5     6     7           
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 residue NO A 202                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue NO3 A 203                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue NO2 A 204                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 205                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 206                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 207                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 208                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue NO2 A 209                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AD1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue EDO A 210                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AD2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue EDO A 211                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AD3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue EDO A 212                 
DBREF  5NC0 A    1   127  UNP    P00138   CYCP_ALCXX       1    127             
SEQADV 5NC0 GLY A   16  UNP  P00138    LEU    16 ENGINEERED MUTATION            
SEQRES   1 A  127  PCA PHE ALA LYS PRO GLU ASP ALA VAL LYS TYR ARG GLN          
SEQRES   2 A  127  SER ALA GLY THR LEU MET ALA SER HIS PHE GLY ARG MET          
SEQRES   3 A  127  THR PRO VAL VAL LYS GLY GLN ALA PRO TYR ASP ALA ALA          
SEQRES   4 A  127  GLN ILE LYS ALA ASN VAL GLU VAL LEU LYS THR LEU SER          
SEQRES   5 A  127  ALA LEU PRO TRP ALA ALA PHE GLY PRO GLY THR GLU GLY          
SEQRES   6 A  127  GLY ASP ALA ARG PRO GLU ILE TRP SER ASP ALA ALA SER          
SEQRES   7 A  127  PHE LYS GLN LYS GLN GLN ALA PHE GLN ASP ASN ILE VAL          
SEQRES   8 A  127  LYS LEU SER ALA ALA ALA ASP ALA GLY ASP LEU ASP LYS          
SEQRES   9 A  127  LEU ARG ALA ALA PHE GLY ASP VAL GLY ALA SER CYS LYS          
SEQRES  10 A  127  ALA CYS HIS ASP ALA TYR ARG LYS LYS LYS                      
MODRES 5NC0 PCA A    1  GLN  MODIFIED RESIDUE                                   
HET    PCA  A   1       8                                                       
HET    HEC  A 201      43                                                       
HET     NO  A 202       4                                                       
HET    NO3  A 203       4                                                       
HET    NO2  A 204       3                                                       
HET    SO4  A 205       5                                                       
HET    SO4  A 206      10                                                       
HET    SO4  A 207       5                                                       
HET    SO4  A 208       5                                                       
HET    NO2  A 209       3                                                       
HET    EDO  A 210       4                                                       
HET    EDO  A 211       4                                                       
HET    EDO  A 212       4                                                       
HETNAM     PCA PYROGLUTAMIC ACID                                                
HETNAM     HEC HEME C                                                           
HETNAM      NO NITRIC OXIDE                                                     
HETNAM     NO3 NITRATE ION                                                      
HETNAM     NO2 NITRITE ION                                                      
HETNAM     SO4 SULFATE ION                                                      
HETNAM     EDO 1,2-ETHANEDIOL                                                   
HETSYN      NO NITROGEN MONOXIDE                                                
HETSYN     EDO ETHYLENE GLYCOL                                                  
FORMUL   1  PCA    C5 H7 N O3                                                   
FORMUL   2  HEC    C34 H34 FE N4 O4                                             
FORMUL   3   NO    N O                                                          
FORMUL   4  NO3    N O3 1-                                                      
FORMUL   5  NO2    2(N O2 1-)                                                   
FORMUL   6  SO4    4(O4 S 2-)                                                   
FORMUL  11  EDO    3(C2 H6 O2)                                                  
FORMUL  14  HOH   *230(H2 O)                                                    
HELIX    1 AA1 LYS A    4  ARG A   25  1                                  22    
HELIX    2 AA2 MET A   26  LYS A   31  1                                   6    
HELIX    3 AA3 ASP A   37  ALA A   53  1                                  17    
HELIX    4 AA4 LEU A   54  GLY A   60  5                                   7    
HELIX    5 AA5 PRO A   70  ASP A   75  1                                   6    
HELIX    6 AA6 ASP A   75  GLY A  100  1                                  26    
HELIX    7 AA7 ASP A  101  ARG A  124  1                                  24    
LINK         C   PCA A   1                 N   PHE A   2     1555   1555  1.34  
LINK         SG  CYS A 116                 CAB HEC A 201     1555   1555  1.85  
LINK         SG  CYS A 119                 CAC HEC A 201     1555   1555  1.85  
LINK         NE2 HIS A 120                FE   HEC A 201     1555   1555  2.06  
LINK        FE   HEC A 201                 N  B NO A 202     1555   1555  1.85  
LINK        FE   HEC A 201                 O  A NO A 202     1555   1555  2.79  
LINK        FE   HEC A 201                 O  B NO A 202     1555   1555  2.79  
SITE     1 AC1 19 GLN A  13  GLY A  16  THR A  17  MET A  19                    
SITE     2 AC1 19 ALA A  20  TRP A  56  PHE A  59  ILE A  72                    
SITE     3 AC1 19 GLN A  83  PHE A  86  CYS A 116  CYS A 119                    
SITE     4 AC1 19 HIS A 120  ARG A 124   NO A 202  NO3 A 203                    
SITE     5 AC1 19 NO2 A 204  SO4 A 207  HOH A 333                               
SITE     1 AC2  5 MET A  19  PRO A  55  TRP A  56  HEC A 201                    
SITE     2 AC2  5 NO2 A 204                                                     
SITE     1 AC3  7 ARG A  12  GLN A  13  GLY A  65  GLY A  66                    
SITE     2 AC3  7 ASP A  67  ALA A  68  HEC A 201                               
SITE     1 AC4  5 ARG A  12  GLY A  16  PHE A  59  HEC A 201                    
SITE     2 AC4  5  NO A 202                                                     
SITE     1 AC5  4 ARG A  69  PRO A  70  GLU A  71  HOH A 528                    
SITE     1 AC6 11 PRO A  61  LYS A  92  ASP A 103  ARG A 106                    
SITE     2 AC6 11 ALA A 107  ASP A 111  HOH A 307  HOH A 334                    
SITE     3 AC6 11 HOH A 336  HOH A 441  HOH A 513                               
SITE     1 AC7  6 ASP A  67  ARG A 124  HEC A 201  HOH A 308                    
SITE     2 AC7  6 HOH A 321  HOH A 326                                          
SITE     1 AC8  4 LYS A 117  HIS A 120  ARG A 124  HOH A 301                    
SITE     1 AC9  8 GLU A   6  GLY A  65  GLY A  66  GLN A  81                    
SITE     2 AC9  8 GLN A  84  ALA A  85  HOH A 323  HOH A 412                    
SITE     1 AD1  6 LYS A  49  THR A  50  HOH A 367  HOH A 385                    
SITE     2 AD1  6 HOH A 409  HOH A 487                                          
SITE     1 AD2  3 LYS A   4  LYS A  82  HOH A 332                               
SITE     1 AD3  5 LYS A  49  ASP A  98  HOH A 304  HOH A 320                    
SITE     2 AD3  5 HOH A 330                                                     
CRYST1   52.430   52.430  183.250  90.00  90.00 120.00 P 65 2 2     12          
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      0.019073  0.011012  0.000000        0.00000                         
SCALE2      0.000000  0.022024  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.005457        0.00000                         
HETATM    1  N   PCA A   1     -29.256   7.565   1.887  1.00 11.91           N  
ANISOU    1  N   PCA A   1     1668   2157    698   1043   -383   -542       N  
HETATM    2  CA  PCA A   1     -29.822   7.001   3.056  1.00  9.93           C  
ANISOU    2  CA  PCA A   1     1572   1532    667    621   -561   -562       C  
HETATM    3  CB  PCA A   1     -28.686   7.223   4.115  1.00  9.98           C  
ANISOU    3  CB  PCA A   1     1652   1436    704    471   -611   -404       C  
HETATM    4  CG  PCA A   1     -27.914   8.405   3.571  1.00 10.50           C  
ANISOU    4  CG  PCA A   1     2156   1165    666    461   -612   -323       C  
HETATM    5  CD  PCA A   1     -28.236   8.410   2.103  1.00 10.86           C  
ANISOU    5  CD  PCA A   1     2061   1542    522    820   -416   -615       C  
HETATM    6  OE  PCA A   1     -27.690   9.095   1.229  1.00 13.61           O  
ANISOU    6  OE  PCA A   1     2253   2271    645   1033   -283   -340       O  
HETATM    7  C   PCA A   1     -31.117   7.624   3.536  1.00  8.88           C  
ANISOU    7  C   PCA A   1     1588   1405    380    437   -450   -361       C  
HETATM    8  O   PCA A   1     -31.558   7.330   4.638  1.00 11.06           O  
ANISOU    8  O   PCA A   1     2041   1620    539    476   -420    -98       O