HEADER    OXYGEN TRANSPORT                        17-JUL-12   4G51              
TITLE     CRYSTALLOGRAPHIC ANALYSIS OF THE INTERACTION OF NITRIC OXIDE WITH     
TITLE    2 HEMOGLOBIN FROM TREMATOMUS BERNACCHII IN THE T QUATERNARY STRUCTURE  
TITLE    3 (FULLY LIGATED STATE).                                               
CAVEAT     4G51    COVALENT BOND ANGLES DEVIATION ZERO B-FACTOR VALUE PRESENTS  
CAVEAT   2 4G51    IN THE COORDINATES                                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HEMOGLOBIN SUBUNIT ALPHA;                                  
COMPND   3 CHAIN: A, C;                                                         
COMPND   4 SYNONYM: ALPHA-GLOBIN, HEMOGLOBIN ALPHA CHAIN;                       
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: HEMOGLOBIN SUBUNIT BETA;                                   
COMPND   7 CHAIN: B, D;                                                         
COMPND   8 SYNONYM: BETA-GLOBIN, HEMOGLOBIN BETA CHAIN                          
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: TREMATOMUS BERNACCHII;                          
SOURCE   3 ORGANISM_COMMON: ROCKCOD;                                            
SOURCE   4 ORGANISM_TAXID: 40690;                                               
SOURCE   5 MOL_ID: 2;                                                           
SOURCE   6 ORGANISM_SCIENTIFIC: TREMATOMUS BERNACCHII;                          
SOURCE   7 ORGANISM_COMMON: ROCKCOD;                                            
SOURCE   8 ORGANISM_TAXID: 40690                                                
KEYWDS    ALL ALPHA PROTEINS, OXYGEN TRANSPORTER, N-TERMINAL ACETYLATED SERINE, 
KEYWDS   2 OXYGEN TRANSPORT                                                     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.MERLINO,A.BALSAMO,A.PICA,L.MAZZARELLA,A.VERGARA                     
REVDAT   4   06-NOV-24 4G51    1       REMARK SEQADV LINK                       
REVDAT   3   20-FEB-19 4G51    1       CAVEAT LINK                              
REVDAT   2   06-JUN-18 4G51    1       REMARK                                   
REVDAT   1   16-JAN-13 4G51    0                                                
JRNL        AUTH   A.MERLINO,M.R.FUCHS,A.PICA,A.BALSAMO,F.S.DWORKOWSKI,         
JRNL        AUTH 2 G.POMPIDOR,L.MAZZARELLA,A.VERGARA                            
JRNL        TITL   SELECTIVE X-RAY-INDUCED NO PHOTODISSOCIATION IN HAEMOGLOBIN  
JRNL        TITL 2 CRYSTALS: EVIDENCE FROM A RAMAN-ASSISTED CRYSTALLOGRAPHIC    
JRNL        TITL 3 STUDY.                                                       
JRNL        REF    ACTA CRYSTALLOGR.,SECT.D      V.  69   137 2013              
JRNL        REFN                   ISSN 0907-4449                               
JRNL        PMID   23275172                                                     
JRNL        DOI    10.1107/S0907444912042229                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 50.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : NULL                           
REMARK   3   CROSS-VALIDATION METHOD           : NULL                           
REMARK   3   FREE R VALUE TEST SET SELECTION   : NULL                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (NO CUTOFF).                         
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                   
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : 0.181                  
REMARK   3   FREE R VALUE                  (NO CUTOFF) : 0.249                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : 1095                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 21249                  
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F).                     
REMARK   3   R VALUE   (WORKING + TEST SET, F>4SIG(F)) : NULL                   
REMARK   3   R VALUE          (WORKING SET, F>4SIG(F)) : NULL                   
REMARK   3   FREE R VALUE                  (F>4SIG(F)) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (F>4SIG(F)) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (F>4SIG(F)) : NULL                   
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS      : 4482                                          
REMARK   3   NUCLEIC ACID ATOMS : 0                                             
REMARK   3   HETEROGEN ATOMS    : 180                                           
REMARK   3   SOLVENT ATOMS      : 63                                            
REMARK   3                                                                      
REMARK   3  MODEL REFINEMENT.                                                   
REMARK   3   OCCUPANCY SUM OF NON-HYDROGEN ATOMS      : NULL                    
REMARK   3   OCCUPANCY SUM OF HYDROGEN ATOMS          : NULL                    
REMARK   3   NUMBER OF DISCRETELY DISORDERED RESIDUES : NULL                    
REMARK   3   NUMBER OF LEAST-SQUARES PARAMETERS       : NULL                    
REMARK   3   NUMBER OF RESTRAINTS                     : NULL                    
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM RESTRAINT TARGET VALUES.                        
REMARK   3   BOND LENGTHS                         (A) : NULL                    
REMARK   3   ANGLE DISTANCES                      (A) : NULL                    
REMARK   3   SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL                    
REMARK   3   DISTANCES FROM RESTRAINT PLANES      (A) : NULL                    
REMARK   3   ZERO CHIRAL VOLUMES               (A**3) : NULL                    
REMARK   3   NON-ZERO CHIRAL VOLUMES           (A**3) : NULL                    
REMARK   3   ANTI-BUMPING DISTANCE RESTRAINTS     (A) : NULL                    
REMARK   3   RIGID-BOND ADP COMPONENTS         (A**2) : NULL                    
REMARK   3   SIMILAR ADP COMPONENTS            (A**2) : NULL                    
REMARK   3   APPROXIMATELY ISOTROPIC ADPS      (A**2) : NULL                    
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED: NULL                                                  
REMARK   3                                                                      
REMARK   3  STEREOCHEMISTRY TARGET VALUES : NULL                                
REMARK   3   SPECIAL CASE: NULL                                                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 4G51 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-JUL-12.                  
REMARK 100 THE DEPOSITION ID IS D_1000073746.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 6.2                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SLS                                
REMARK 200  BEAMLINE                       : X10SA                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.000                              
REMARK 200  MONOCHROMATOR                  : GRAPHITE                           
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS 6M                 
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 26655                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.270                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 15.600                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 83.6                               
REMARK 200  DATA REDUNDANCY                : 3.900                              
REMARK 200  R MERGE                    (I) : 0.07300                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.38                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 56.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.80                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.11300                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 9.500                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 56.92                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.86                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: DEOXY-HBTB 8-9.5 MG/ML MIXED WITH        
REMARK 280  EQUAL AMOUNT OF 7-12 % W/V PEG 6000, PBS 100 MM, PH 6.2, VAPOR      
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 298.0K                         
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y+1/2,-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   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000       47.33600            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
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: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 12390 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 23020 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -110.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D                            
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   N     NO A   201     ND   HEM A   202              2.09            
REMARK 500   N     NO D   201     ND   HEM D   202              2.11            
REMARK 500   N     NO C   201     NB   HEM C   202              2.18            
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    ARG A 142   C     ARG A 142   OXT     0.172                       
REMARK 500    HIS D 146   C     HIS D 146   OXT     0.283                       
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  11   NE  -  CZ  -  NH1 ANGL. DEV. =  -4.9 DEGREES          
REMARK 500    ASP A  48   C   -  N   -  CA  ANGL. DEV. =  26.4 DEGREES          
REMARK 500    ARG A  93   CD  -  NE  -  CZ  ANGL. DEV. =   8.9 DEGREES          
REMARK 500    ARG A 140   CD  -  NE  -  CZ  ANGL. DEV. =  12.4 DEGREES          
REMARK 500    SER C   1   C   -  N   -  CA  ANGL. DEV. =  18.2 DEGREES          
REMARK 500    ARG C 142   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.6 DEGREES          
REMARK 500    ARG D   8   CD  -  NE  -  CZ  ANGL. DEV. =  19.2 DEGREES          
REMARK 500    ARG D   8   NE  -  CZ  -  NH1 ANGL. DEV. =   4.4 DEGREES          
REMARK 500    ARG D   8   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.2 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    SER A  20       73.44   -112.38                                   
REMARK 500    ASP A  48        4.08    -60.31                                   
REMARK 500    VAL A  49       56.22    -68.45                                   
REMARK 500    PRO A  51      108.16    -55.38                                   
REMARK 500    ILE A  74       17.53    -69.42                                   
REMARK 500    LYS A  78      -73.33    -57.23                                   
REMARK 500    TRP B   3      100.83   -174.74                                   
REMARK 500    THR B   4      175.06    -56.74                                   
REMARK 500    PHE B  42        4.87    -67.61                                   
REMARK 500    SER B  43      -26.36    -36.88                                   
REMARK 500    ALA B  62      -79.70    -36.81                                   
REMARK 500    ASN B  77       47.25    -95.40                                   
REMARK 500    ASN B  80       55.33   -154.24                                   
REMARK 500    HIS B  97       13.39     86.71                                   
REMARK 500    PRO B 100       -2.20    -58.86                                   
REMARK 500    THR B 111      -75.64    -50.18                                   
REMARK 500    PHE B 122       55.81    -94.51                                   
REMARK 500    THR B 123      172.72    -43.66                                   
REMARK 500    GLU B 125      -70.04    -24.23                                   
REMARK 500    SER B 139      -70.56    -47.72                                   
REMARK 500    GLN B 144       41.08   -107.79                                   
REMARK 500    SER C   3     -165.98    -60.75                                   
REMARK 500    LYS C   5      -54.14    -27.28                                   
REMARK 500    VAL C  10      -92.25    -53.42                                   
REMARK 500    ARG C  11      -50.00    -16.48                                   
REMARK 500    ASP C  22      -80.57    -62.13                                   
REMARK 500    VAL C  34      -76.62    -76.23                                   
REMARK 500    TYR C  36       73.37   -116.68                                   
REMARK 500    SER C  44      -17.80    -38.31                                   
REMARK 500    VAL C  49       74.65    -69.72                                   
REMARK 500    PRO C  51      120.31    -38.99                                   
REMARK 500    PRO C  54      -59.81    -23.12                                   
REMARK 500    LYS C  62       30.37    -76.47                                   
REMARK 500    VAL C  63      -31.33   -136.66                                   
REMARK 500    SER C  72      -71.74    -64.05                                   
REMARK 500    LYS C  73       25.11    -65.57                                   
REMARK 500    ASP C  76       71.41   -161.34                                   
REMARK 500    MET C  82      -36.25    -34.48                                   
REMARK 500    LYS C  91     -100.23   -115.24                                   
REMARK 500    ARG C  93       83.22    -38.96                                   
REMARK 500    PHE C 118       82.62    -51.41                                   
REMARK 500    ALA C 138       45.73    -88.15                                   
REMARK 500    ASP D  13      -76.04    -50.25                                   
REMARK 500    ASP D  22      -82.89    -86.52                                   
REMARK 500    ILE D  23      -52.41    -29.58                                   
REMARK 500    ASN D  50      150.81    148.96                                   
REMARK 500    ILE D  54      -70.38    -71.94                                   
REMARK 500    ASN D  77       34.89    -91.71                                   
REMARK 500    MET D  78      -10.94    -42.77                                   
REMARK 500    ALA D  86       -6.45    -57.73                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      53 RAMACHANDRAN OUTLIERS.                        
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                             HEM A 202  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  88   NE2                                                    
REMARK 620 2 HEM A 202   NA   83.6                                              
REMARK 620 3 HEM A 202   NB   90.0  89.4                                        
REMARK 620 4 HEM A 202   NC  105.4 170.8  89.0                                  
REMARK 620 5 HEM A 202   ND  100.3  90.0 169.5  90.0                            
REMARK 620 6  NO A 201   N   166.3  93.9 103.4  77.7  66.2                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM B 202  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS B  92   NE2                                                    
REMARK 620 2 HEM B 202   NA  100.6                                              
REMARK 620 3 HEM B 202   NB  109.0  90.2                                        
REMARK 620 4 HEM B 202   NC   85.8 173.1  90.3                                  
REMARK 620 5 HEM B 202   ND   77.8  89.4 173.1  89.4                            
REMARK 620 6  NO B 201   N   156.4 102.3  76.5  71.1  96.9                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM C 202  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS C  88   NE2                                                    
REMARK 620 2 HEM C 202   NA   89.5                                              
REMARK 620 3 HEM C 202   NB   91.1  89.5                                        
REMARK 620 4 HEM C 202   NC   79.4 168.8  89.0                                  
REMARK 620 5 HEM C 202   ND   75.4  89.4 166.4  89.5                            
REMARK 620 6  NO C 201   N   150.5 110.8  68.8  78.9 124.0                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM D 202  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS D  92   NE2                                                    
REMARK 620 2 HEM D 202   NA   96.5                                              
REMARK 620 3 HEM D 202   NB  105.2  89.2                                        
REMARK 620 4 HEM D 202   NC   93.4 170.0  89.5                                  
REMARK 620 5 HEM D 202   ND   88.7  89.4 166.1  89.5                            
REMARK 620 6  NO D 201   N   155.0  81.0  99.7  89.5  66.4                      
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 NO A 201                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 202                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NO B 201                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 202                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NO C 201                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM C 202                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NO D 201                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM D 202                 
DBREF  4G51 A    1   142  UNP    P80043   HBA_TREBE        1    142             
DBREF  4G51 B    1   146  UNP    P80044   HBB_TREBE        2    147             
DBREF  4G51 C    1   142  UNP    P80043   HBA_TREBE        1    142             
DBREF  4G51 D    1   146  UNP    P80044   HBB_TREBE        2    147             
SEQADV 4G51 ACE A    0  UNP  P80043              ACETYLATION                    
SEQADV 4G51 ACE C    0  UNP  P80043              ACETYLATION                    
SEQRES   1 A  143  ACE SER LEU SER ASP LYS ASP LYS ALA ALA VAL ARG ALA          
SEQRES   2 A  143  LEU TRP SER LYS ILE GLY LYS SER ALA ASP ALA ILE GLY          
SEQRES   3 A  143  ASN ASP ALA LEU SER ARG MET ILE VAL VAL TYR PRO GLN          
SEQRES   4 A  143  THR LYS THR TYR PHE SER HIS TRP PRO ASP VAL THR PRO          
SEQRES   5 A  143  GLY SER PRO HIS ILE LYS ALA HIS GLY LYS LYS VAL MET          
SEQRES   6 A  143  GLY GLY ILE ALA LEU ALA VAL SER LYS ILE ASP ASP LEU          
SEQRES   7 A  143  LYS THR GLY LEU MET GLU LEU SER GLU GLN HIS ALA TYR          
SEQRES   8 A  143  LYS LEU ARG VAL ASP PRO ALA ASN PHE LYS ILE LEU ASN          
SEQRES   9 A  143  HIS CYS ILE LEU VAL VAL ILE SER THR MET PHE PRO LYS          
SEQRES  10 A  143  GLU PHE THR PRO GLU ALA HIS VAL SER LEU ASP LYS PHE          
SEQRES  11 A  143  LEU SER GLY VAL ALA LEU ALA LEU ALA GLU ARG TYR ARG          
SEQRES   1 B  146  VAL GLU TRP THR ASP LYS GLU ARG SER ILE ILE SER ASP          
SEQRES   2 B  146  ILE PHE SER HIS MET ASP TYR ASP ASP ILE GLY PRO LYS          
SEQRES   3 B  146  ALA LEU SER ARG CYS LEU ILE VAL TYR PRO TRP THR GLN          
SEQRES   4 B  146  ARG HIS PHE SER GLY PHE GLY ASN LEU TYR ASN ALA GLU          
SEQRES   5 B  146  ALA ILE ILE GLY ASN ALA ASN VAL ALA ALA HIS GLY ILE          
SEQRES   6 B  146  LYS VAL LEU HIS GLY LEU ASP ARG GLY VAL LYS ASN MET          
SEQRES   7 B  146  ASP ASN ILE ALA ALA THR TYR ALA ASP LEU SER THR LEU          
SEQRES   8 B  146  HIS SER GLU LYS LEU HIS VAL ASP PRO ASP ASN PHE LYS          
SEQRES   9 B  146  LEU LEU SER ASP CYS ILE THR ILE VAL LEU ALA ALA LYS          
SEQRES  10 B  146  MET GLY HIS ALA PHE THR ALA GLU THR GLN GLY ALA PHE          
SEQRES  11 B  146  GLN LYS PHE LEU ALA VAL VAL VAL SER ALA LEU GLY LYS          
SEQRES  12 B  146  GLN TYR HIS                                                  
SEQRES   1 C  143  ACE SER LEU SER ASP LYS ASP LYS ALA ALA VAL ARG ALA          
SEQRES   2 C  143  LEU TRP SER LYS ILE GLY LYS SER ALA ASP ALA ILE GLY          
SEQRES   3 C  143  ASN ASP ALA LEU SER ARG MET ILE VAL VAL TYR PRO GLN          
SEQRES   4 C  143  THR LYS THR TYR PHE SER HIS TRP PRO ASP VAL THR PRO          
SEQRES   5 C  143  GLY SER PRO HIS ILE LYS ALA HIS GLY LYS LYS VAL MET          
SEQRES   6 C  143  GLY GLY ILE ALA LEU ALA VAL SER LYS ILE ASP ASP LEU          
SEQRES   7 C  143  LYS THR GLY LEU MET GLU LEU SER GLU GLN HIS ALA TYR          
SEQRES   8 C  143  LYS LEU ARG VAL ASP PRO ALA ASN PHE LYS ILE LEU ASN          
SEQRES   9 C  143  HIS CYS ILE LEU VAL VAL ILE SER THR MET PHE PRO LYS          
SEQRES  10 C  143  GLU PHE THR PRO GLU ALA HIS VAL SER LEU ASP LYS PHE          
SEQRES  11 C  143  LEU SER GLY VAL ALA LEU ALA LEU ALA GLU ARG TYR ARG          
SEQRES   1 D  146  VAL GLU TRP THR ASP LYS GLU ARG SER ILE ILE SER ASP          
SEQRES   2 D  146  ILE PHE SER HIS MET ASP TYR ASP ASP ILE GLY PRO LYS          
SEQRES   3 D  146  ALA LEU SER ARG CYS LEU ILE VAL TYR PRO TRP THR GLN          
SEQRES   4 D  146  ARG HIS PHE SER GLY PHE GLY ASN LEU TYR ASN ALA GLU          
SEQRES   5 D  146  ALA ILE ILE GLY ASN ALA ASN VAL ALA ALA HIS GLY ILE          
SEQRES   6 D  146  LYS VAL LEU HIS GLY LEU ASP ARG GLY VAL LYS ASN MET          
SEQRES   7 D  146  ASP ASN ILE ALA ALA THR TYR ALA ASP LEU SER THR LEU          
SEQRES   8 D  146  HIS SER GLU LYS LEU HIS VAL ASP PRO ASP ASN PHE LYS          
SEQRES   9 D  146  LEU LEU SER ASP CYS ILE THR ILE VAL LEU ALA ALA LYS          
SEQRES  10 D  146  MET GLY HIS ALA PHE THR ALA GLU THR GLN GLY ALA PHE          
SEQRES  11 D  146  GLN LYS PHE LEU ALA VAL VAL VAL SER ALA LEU GLY LYS          
SEQRES  12 D  146  GLN TYR HIS                                                  
HET    ACE  A   0       3                                                       
HET    ACE  C   0       3                                                       
HET     NO  A 201       2                                                       
HET    HEM  A 202      43                                                       
HET     NO  B 201       2                                                       
HET    HEM  B 202      43                                                       
HET     NO  C 201       2                                                       
HET    HEM  C 202      43                                                       
HET     NO  D 201       2                                                       
HET    HEM  D 202      43                                                       
HETNAM     ACE ACETYL GROUP                                                     
HETNAM      NO NITRIC OXIDE                                                     
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETSYN      NO NITROGEN MONOXIDE                                                
HETSYN     HEM HEME                                                             
FORMUL   1  ACE    2(C2 H4 O)                                                   
FORMUL   5   NO    4(N O)                                                       
FORMUL   6  HEM    4(C34 H32 FE N4 O4)                                          
FORMUL  13  HOH   *63(H2 O)                                                     
HELIX    1   1 SER A    3  GLY A   18  1                                  16    
HELIX    2   2 SER A   20  TYR A   36  1                                  17    
HELIX    3   3 PRO A   37  LYS A   40  5                                   4    
HELIX    4   4 PRO A   54  LYS A   73  1                                  20    
HELIX    5   5 ASP A   76  LEU A   81  1                                   6    
HELIX    6   6 LEU A   81  LYS A   91  1                                  11    
HELIX    7   7 PRO A   96  PHE A  114  1                                  19    
HELIX    8   8 THR A  119  LEU A  137  1                                  19    
HELIX    9   9 ASP B    5  MET B   18  1                                  14    
HELIX   10  10 ASP B   19  TYR B   35  1                                  17    
HELIX   11  11 THR B   38  SER B   43  1                                   6    
HELIX   12  12 ASN B   50  ILE B   54  5                                   5    
HELIX   13  13 ASN B   57  GLY B   70  1                                  14    
HELIX   14  14 LEU B   71  ASN B   77  1                                   7    
HELIX   15  15 ASN B   80  LYS B   95  1                                  16    
HELIX   16  16 PRO B  100  GLY B  119  1                                  20    
HELIX   17  17 HIS B  120  PHE B  122  5                                   3    
HELIX   18  18 THR B  123  GLN B  144  1                                  22    
HELIX   19  19 SER C    3  GLY C   18  1                                  16    
HELIX   20  20 SER C   20  TYR C   36  1                                  17    
HELIX   21  21 GLN C   38  TYR C   42  5                                   5    
HELIX   22  22 SER C   53  LYS C   73  1                                  21    
HELIX   23  23 ASP C   76  LYS C   91  1                                  16    
HELIX   24  24 PRO C   96  THR C  112  1                                  17    
HELIX   25  25 PRO C  120  ALA C  138  1                                  19    
HELIX   26  26 THR D    4  MET D   18  1                                  15    
HELIX   27  27 ASP D   19  TYR D   35  1                                  17    
HELIX   28  28 PRO D   36  GLY D   46  5                                  11    
HELIX   29  29 ASN D   50  GLY D   56  1                                   7    
HELIX   30  30 ASN D   57  ASN D   77  1                                  21    
HELIX   31  31 ASN D   80  LYS D   95  1                                  16    
HELIX   32  32 PRO D  100  GLY D  119  1                                  20    
HELIX   33  33 THR D  123  GLY D  142  1                                  20    
LINK         C   ACE A   0                 N   SER A   1     1555   1555  1.29  
LINK         C   ACE C   0                 N   SER C   1     1555   1555  1.29  
LINK         NE2 HIS A  88                FE   HEM A 202     1555   1555  2.10  
LINK         N    NO A 201                FE   HEM A 202     1555   1555  1.82  
LINK         NE2 HIS B  92                FE   HEM B 202     1555   1555  2.10  
LINK         N    NO B 201                FE   HEM B 202     1555   1555  1.83  
LINK         NE2 HIS C  88                FE   HEM C 202     1555   1555  2.10  
LINK         N    NO C 201                FE   HEM C 202     1555   1555  1.83  
LINK         NE2 HIS D  92                FE   HEM D 202     1555   1555  2.11  
LINK         N    NO D 201                FE   HEM D 202     1555   1555  1.83  
SITE     1 AC1  3 HIS A  59  VAL A  63  HEM A 202                               
SITE     1 AC2 13 MET A  32  TYR A  42  PHE A  43  HIS A  45                    
SITE     2 AC2 13 TRP A  46  HIS A  59  LYS A  62  VAL A  63                    
SITE     3 AC2 13 LEU A  84  HIS A  88  ASN A  98  LEU A 102                    
SITE     4 AC2 13  NO A 201                                                     
SITE     1 AC3  3 HIS B  63  VAL B  67  HEM B 202                               
SITE     1 AC4 13 HIS B  41  PHE B  42  HIS B  63  VAL B  67                    
SITE     2 AC4 13 LEU B  71  LEU B  91  HIS B  92  LEU B  96                    
SITE     3 AC4 13 VAL B  98  ASN B 102  PHE B 103  LEU B 141                    
SITE     4 AC4 13  NO B 201                                                     
SITE     1 AC5  3 VAL C  63  LEU C 102  HEM C 202                               
SITE     1 AC6 15 TYR C  42  PHE C  43  TRP C  46  HIS C  59                    
SITE     2 AC6 15 LYS C  62  VAL C  63  LEU C  84  GLN C  87                    
SITE     3 AC6 15 HIS C  88  LEU C  92  VAL C  94  ASN C  98                    
SITE     4 AC6 15 PHE C  99  LEU C 102   NO C 201                               
SITE     1 AC7  3 HIS D  63  VAL D  67  HEM D 202                               
SITE     1 AC8 11 THR D  38  PHE D  42  HIS D  63  LYS D  66                    
SITE     2 AC8 11 VAL D  67  HIS D  92  LEU D  96  VAL D  98                    
SITE     3 AC8 11 ASN D 102  PHE D 103   NO D 201                               
CRYST1   62.002   94.672   61.956  90.00  89.16  90.00 P 1 21 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      0.016129  0.000000 -0.000236        0.00000                         
SCALE2      0.000000  0.010563  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.016142        0.00000                         
HETATM    1  C   ACE A   0       8.410   3.118   2.869  1.00 40.84           C  
HETATM    2  O   ACE A   0       8.799   2.175   3.672  1.00 38.86           O  
HETATM    3  CH3 ACE A   0       7.139   3.797   3.060  1.00 33.66           C