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Database: PDB
Entry: 1Y8I
LinkDB: 1Y8I
Original site: 1Y8I 
HEADER    OXYGEN STORAGE/TRANSPORT                13-DEC-04   1Y8I              
TITLE     HORSE METHEMOGLOBIN LOW SALT, PH 7.0 (98% RELATIVE HUMIDITY)          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HEMOGLOBIN ALPHA CHAINS;                                   
COMPND   3 CHAIN: A, C;                                                         
COMPND   4 SYNONYM: SLOW AND FAST;                                              
COMPND   5 OTHER_DETAILS: PH 7.0 AQUOMET STRUCTURE;                             
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: HEMOGLOBIN BETA CHAIN;                                     
COMPND   8 CHAIN: B, D                                                          
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: EQUUS CABALLUS;                                 
SOURCE   3 ORGANISM_COMMON: HORSE;                                              
SOURCE   4 ORGANISM_TAXID: 9796;                                                
SOURCE   5 MOL_ID: 2;                                                           
SOURCE   6 ORGANISM_SCIENTIFIC: EQUUS CABALLUS;                                 
SOURCE   7 ORGANISM_COMMON: HORSE;                                              
SOURCE   8 ORGANISM_TAXID: 9796                                                 
KEYWDS    AQUO METHEMOGLOBIN, QUARTERNARY ASSOCIATION, ALLOSTERIC TRANSITION,   
KEYWDS   2 PROTEIN HYDRATION, OXYGEN STORAGE-TRANSPORT COMPLEX                  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    R.SANKARANARAYANAN,B.K.BISWAL,M.VIJAYAN                               
REVDAT   3   23-AUG-23 1Y8I    1       REMARK SEQADV LINK                       
REVDAT   2   24-FEB-09 1Y8I    1       VERSN                                    
REVDAT   1   26-JUL-05 1Y8I    0                                                
JRNL        AUTH   R.SANKARANARAYANAN,B.K.BISWAL,M.VIJAYAN                      
JRNL        TITL   A NEW RELAXED STATE IN HORSE METHEMOGLOBIN CHARACTERIZED BY  
JRNL        TITL 2 CRYSTALLOGRAPHIC STUDIES.                                    
JRNL        REF    PROTEINS                      V.  60   547 2005              
JRNL        REFN                   ISSN 0887-3585                               
JRNL        PMID   15887226                                                     
JRNL        DOI    10.1002/PROT.20510                                           
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   B.K.BISWAL,M.VIJAYAN                                         
REMARK   1  TITL   STRUCTURE OF HUMAN METHAEMOGLOBIN: THE VARIATION OF A THEME  
REMARK   1  REF    CURR.SCI.                     V.  81  1100 2001              
REMARK   1  REFN                   ISSN 0011-3891                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   B.K.BISWAL,M.VIJAYAN                                         
REMARK   1  TITL   STRUCTURES OF HUMAN OXY- AND DEOXYHAEMOGLOBIN AT DIFFERENT   
REMARK   1  TITL 2 LEVELS OF HUMIDITY: VARIABILITY IN THE T STATE               
REMARK   1  REF    ACTA CRYSTALLOGR.,SECT.D      V.  58  1155 2002              
REMARK   1  REFN                   ISSN 0907-4449                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.60 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 0.4                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : NULL                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 231708.250                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 94.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 17215                          
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 SET) : 0.167                           
REMARK   3   FREE R VALUE                     : 0.228                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.800                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 999                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.007                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.60                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.76                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 89.70                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 2500                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2240                       
REMARK   3   BIN FREE R VALUE                    : 0.2670                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 6.20                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 166                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.021                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4406                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 172                                     
REMARK   3   SOLVENT ATOMS            : 304                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 31.50                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 34.40                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -3.91000                                             
REMARK   3    B22 (A**2) : 7.11000                                              
REMARK   3    B33 (A**2) : -3.20000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.26                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.23                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 20.0                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.36                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.32                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.009                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.300                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 19.00                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.120                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.28                                                 
REMARK   3   BSOL        : 48.25                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : PARAM19X.HEME                                  
REMARK   3  PARAMETER FILE  3  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  4  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : TOPH19X.HEME                                   
REMARK   3  TOPOLOGY FILE  3   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1Y8I COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-JAN-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000031249.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 26-AUG-02                          
REMARK 200  TEMPERATURE           (KELVIN) : 293.0                              
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU200                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : GRAPHITE                           
REMARK 200  OPTICS                         : OSMIC MIRROR                       
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 18160                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.600                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.14300                            
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) : 2.60                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.69                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.47400                            
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: AMORE                                                 
REMARK 200 STARTING MODEL: HORSE METHEMOGLOBIN, PDB ENTRY 2MHB                  
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 44.30                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.01M PHOSPHATE BUFFER, 30% PEG 3350,    
REMARK 280  PH 7.0, LIQUID DIFFUSION, TEMPERATURE 293K                          
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-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       31.39900            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       56.07950            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       40.45350            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       56.07950            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       31.39900            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       40.45350            
REMARK 290   SMTRY3   4  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 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: 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 B  79   CB  -  CG  -  OD1 ANGL. DEV. =   7.1 DEGREES          
REMARK 500    TYR C 140   N   -  CA  -  C   ANGL. DEV. =  20.3 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    LEU A   2       89.68     62.36                                   
REMARK 500    HIS A  72       49.90   -142.70                                   
REMARK 500    LYS A 139       58.27   -141.21                                   
REMARK 500    GLU B  22      -71.01    -96.53                                   
REMARK 500    HIS B  77       48.03    -90.61                                   
REMARK 500    ASP B  79       52.73   -104.80                                   
REMARK 500    ASN B  80       60.77    173.98                                   
REMARK 500    HIS B  97       43.97     71.18                                   
REMARK 500    ASP C  75       65.68   -154.36                                   
REMARK 500    LYS C 139       67.59   -107.66                                   
REMARK 500    TYR C 140     -148.57    -93.29                                   
REMARK 500    GLN D   2       99.76     71.70                                   
REMARK 500    HIS D  77       45.13   -141.43                                   
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 142  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  87   NE2                                                    
REMARK 620 2 HEM A 142   NA   88.9                                              
REMARK 620 3 HEM A 142   NB   85.4  90.8                                        
REMARK 620 4 HEM A 142   NC   87.5 176.4  89.0                                  
REMARK 620 5 HEM A 142   ND   95.3  91.1 177.9  89.1                            
REMARK 620 6 HOH A 900   O   170.5  98.6  88.6  85.0  90.4                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM B 147  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS B  92   NE2                                                    
REMARK 620 2 HEM B 147   NA   94.0                                              
REMARK 620 3 HEM B 147   NB   90.9  89.0                                        
REMARK 620 4 HEM B 147   NC   92.6 173.2  89.8                                  
REMARK 620 5 HEM B 147   ND   95.9  91.1 173.2  89.3                            
REMARK 620 6 HOH B 901   O   168.3  92.0  79.2  81.2  94.1                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM C 142  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS C  87   NE2                                                    
REMARK 620 2 HEM C 142   NA   92.7                                              
REMARK 620 3 HEM C 142   NB   91.3  89.4                                        
REMARK 620 4 HEM C 142   NC   87.5 179.8  90.7                                  
REMARK 620 5 HEM C 142   ND   93.3  89.9 175.3  90.0                            
REMARK 620 6 HOH C 902   O   171.4  95.3  92.1  84.6  83.4                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM D 147  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS D  92   NE2                                                    
REMARK 620 2 HEM D 147   NA   95.8                                              
REMARK 620 3 HEM D 147   NB   90.9  88.2                                        
REMARK 620 4 HEM D 147   NC   87.9 176.3  91.4                                  
REMARK 620 5 HEM D 147   ND   87.4  91.1 178.1  89.5                            
REMARK 620 6 HOH D 903   O   172.0  92.1  87.6  84.3  94.2                      
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 HEM A 142                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 147                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM C 142                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM D 147                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1JY7   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1LFQ   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1Y8H   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1Y8K   RELATED DB: PDB                                   
DBREF  1Y8I A    1   141  UNP    P01958   HBA_HORSE        1    141             
DBREF  1Y8I C    1   141  UNP    P01958   HBA_HORSE        1    141             
DBREF  1Y8I B    1   146  UNP    P02062   HBB_HORSE        1    146             
DBREF  1Y8I D    1   146  UNP    P02062   HBB_HORSE        1    146             
SEQADV 1Y8I ASP A   82  UNP  P01958    ASN    82 CONFLICT                       
SEQADV 1Y8I ASN A   85  UNP  P01958    ASP    85 CONFLICT                       
SEQADV 1Y8I ASP C   82  UNP  P01958    ASN    82 CONFLICT                       
SEQADV 1Y8I ASN C   85  UNP  P01958    ASP    85 CONFLICT                       
SEQRES   1 A  141  VAL LEU SER ALA ALA ASP LYS THR ASN VAL LYS ALA ALA          
SEQRES   2 A  141  TRP SER LYS VAL GLY GLY HIS ALA GLY GLU TYR GLY ALA          
SEQRES   3 A  141  GLU ALA LEU GLU ARG MET PHE LEU GLY PHE PRO THR THR          
SEQRES   4 A  141  LYS THR TYR PHE PRO HIS PHE ASP LEU SER HIS GLY SER          
SEQRES   5 A  141  ALA GLN VAL LYS ALA HIS GLY LYS LYS VAL GLY ASP ALA          
SEQRES   6 A  141  LEU THR LEU ALA VAL GLY HIS LEU ASP ASP LEU PRO GLY          
SEQRES   7 A  141  ALA LEU SER ASP LEU SER ASN LEU HIS ALA HIS LYS LEU          
SEQRES   8 A  141  ARG VAL ASP PRO VAL ASN PHE LYS LEU LEU SER HIS CYS          
SEQRES   9 A  141  LEU LEU SER THR LEU ALA VAL HIS LEU PRO ASN ASP PHE          
SEQRES  10 A  141  THR PRO ALA VAL HIS ALA SER LEU ASP LYS PHE LEU SER          
SEQRES  11 A  141  SER VAL SER THR VAL LEU THR SER LYS TYR ARG                  
SEQRES   1 B  146  VAL GLN LEU SER GLY GLU GLU LYS ALA ALA VAL LEU ALA          
SEQRES   2 B  146  LEU TRP ASP LYS VAL ASN GLU GLU GLU VAL GLY GLY GLU          
SEQRES   3 B  146  ALA LEU GLY ARG LEU LEU VAL VAL TYR PRO TRP THR GLN          
SEQRES   4 B  146  ARG PHE PHE ASP SER PHE GLY ASP LEU SER ASN PRO GLY          
SEQRES   5 B  146  ALA VAL MET GLY ASN PRO LYS VAL LYS ALA HIS GLY LYS          
SEQRES   6 B  146  LYS VAL LEU HIS SER PHE GLY GLU GLY VAL HIS HIS LEU          
SEQRES   7 B  146  ASP ASN LEU LYS GLY THR PHE ALA ALA LEU SER GLU LEU          
SEQRES   8 B  146  HIS CYS ASP LYS LEU HIS VAL ASP PRO GLU ASN PHE ARG          
SEQRES   9 B  146  LEU LEU GLY ASN VAL LEU VAL VAL VAL LEU ALA ARG HIS          
SEQRES  10 B  146  PHE GLY LYS ASP PHE THR PRO GLU LEU GLN ALA SER TYR          
SEQRES  11 B  146  GLN LYS VAL VAL ALA GLY VAL ALA ASN ALA LEU ALA HIS          
SEQRES  12 B  146  LYS TYR HIS                                                  
SEQRES   1 C  141  VAL LEU SER ALA ALA ASP LYS THR ASN VAL LYS ALA ALA          
SEQRES   2 C  141  TRP SER LYS VAL GLY GLY HIS ALA GLY GLU TYR GLY ALA          
SEQRES   3 C  141  GLU ALA LEU GLU ARG MET PHE LEU GLY PHE PRO THR THR          
SEQRES   4 C  141  LYS THR TYR PHE PRO HIS PHE ASP LEU SER HIS GLY SER          
SEQRES   5 C  141  ALA GLN VAL LYS ALA HIS GLY LYS LYS VAL GLY ASP ALA          
SEQRES   6 C  141  LEU THR LEU ALA VAL GLY HIS LEU ASP ASP LEU PRO GLY          
SEQRES   7 C  141  ALA LEU SER ASP LEU SER ASN LEU HIS ALA HIS LYS LEU          
SEQRES   8 C  141  ARG VAL ASP PRO VAL ASN PHE LYS LEU LEU SER HIS CYS          
SEQRES   9 C  141  LEU LEU SER THR LEU ALA VAL HIS LEU PRO ASN ASP PHE          
SEQRES  10 C  141  THR PRO ALA VAL HIS ALA SER LEU ASP LYS PHE LEU SER          
SEQRES  11 C  141  SER VAL SER THR VAL LEU THR SER LYS TYR ARG                  
SEQRES   1 D  146  VAL GLN LEU SER GLY GLU GLU LYS ALA ALA VAL LEU ALA          
SEQRES   2 D  146  LEU TRP ASP LYS VAL ASN GLU GLU GLU VAL GLY GLY GLU          
SEQRES   3 D  146  ALA LEU GLY ARG LEU LEU VAL VAL TYR PRO TRP THR GLN          
SEQRES   4 D  146  ARG PHE PHE ASP SER PHE GLY ASP LEU SER ASN PRO GLY          
SEQRES   5 D  146  ALA VAL MET GLY ASN PRO LYS VAL LYS ALA HIS GLY LYS          
SEQRES   6 D  146  LYS VAL LEU HIS SER PHE GLY GLU GLY VAL HIS HIS LEU          
SEQRES   7 D  146  ASP ASN LEU LYS GLY THR PHE ALA ALA LEU SER GLU LEU          
SEQRES   8 D  146  HIS CYS ASP LYS LEU HIS VAL ASP PRO GLU ASN PHE ARG          
SEQRES   9 D  146  LEU LEU GLY ASN VAL LEU VAL VAL VAL LEU ALA ARG HIS          
SEQRES  10 D  146  PHE GLY LYS ASP PHE THR PRO GLU LEU GLN ALA SER TYR          
SEQRES  11 D  146  GLN LYS VAL VAL ALA GLY VAL ALA ASN ALA LEU ALA HIS          
SEQRES  12 D  146  LYS TYR HIS                                                  
HET    HEM  A 142      43                                                       
HET    HEM  B 147      43                                                       
HET    HEM  C 142      43                                                       
HET    HEM  D 147      43                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETSYN     HEM HEME                                                             
FORMUL   5  HEM    4(C34 H32 FE N4 O4)                                          
FORMUL   9  HOH   *304(H2 O)                                                    
HELIX    1   1 SER A    3  GLY A   18  1                                  16    
HELIX    2   2 HIS A   20  PHE A   36  1                                  17    
HELIX    3   3 PRO A   37  PHE A   43  5                                   7    
HELIX    4   4 SER A   52  GLY A   71  1                                  20    
HELIX    5   5 ASP A   75  LEU A   80  1                                   6    
HELIX    6   6 LEU A   80  HIS A   89  1                                  10    
HELIX    7   7 PRO A   95  LEU A  113  1                                  19    
HELIX    8   8 THR A  118  SER A  138  1                                  21    
HELIX    9   9 SER B    4  LYS B   17  1                                  14    
HELIX   10  10 GLU B   22  TYR B   35  1                                  14    
HELIX   11  11 PRO B   36  GLY B   46  5                                  11    
HELIX   12  12 ASN B   50  ASN B   57  1                                   8    
HELIX   13  13 ASN B   57  HIS B   77  1                                  21    
HELIX   14  14 ASN B   80  PHE B   85  1                                   6    
HELIX   15  15 PHE B   85  LYS B   95  1                                  11    
HELIX   16  16 PRO B  100  GLY B  119  1                                  20    
HELIX   17  17 LYS B  120  PHE B  122  5                                   3    
HELIX   18  18 THR B  123  ALA B  142  1                                  20    
HELIX   19  19 SER C    3  GLY C   18  1                                  16    
HELIX   20  20 HIS C   20  PHE C   36  1                                  17    
HELIX   21  21 PRO C   37  PHE C   43  5                                   7    
HELIX   22  22 SER C   52  HIS C   72  1                                  21    
HELIX   23  23 ASP C   75  LEU C   80  1                                   6    
HELIX   24  24 LEU C   80  HIS C   89  1                                  10    
HELIX   25  25 PRO C   95  LEU C  113  1                                  19    
HELIX   26  26 THR C  118  SER C  138  1                                  21    
HELIX   27  27 SER D    4  ASP D   16  1                                  13    
HELIX   28  28 ASN D   19  TYR D   35  1                                  17    
HELIX   29  29 PRO D   36  GLY D   46  5                                  11    
HELIX   30  30 ASN D   50  ASN D   57  1                                   8    
HELIX   31  31 ASN D   57  HIS D   76  1                                  20    
HELIX   32  32 ASN D   80  ASP D   94  1                                  15    
HELIX   33  33 PRO D  100  GLY D  119  1                                  20    
HELIX   34  34 LYS D  120  PHE D  122  5                                   3    
HELIX   35  35 THR D  123  ALA D  142  1                                  20    
HELIX   36  36 HIS D  143  HIS D  146  5                                   4    
LINK         NE2 HIS A  87                FE   HEM A 142     1555   1555  2.17  
LINK        FE   HEM A 142                 O   HOH A 900     1555   1555  2.14  
LINK         NE2 HIS B  92                FE   HEM B 147     1555   1555  2.11  
LINK        FE   HEM B 147                 O   HOH B 901     1555   1555  2.13  
LINK         NE2 HIS C  87                FE   HEM C 142     1555   1555  2.11  
LINK        FE   HEM C 142                 O   HOH C 902     1555   1555  2.14  
LINK         NE2 HIS D  92                FE   HEM D 147     1555   1555  2.11  
LINK        FE   HEM D 147                 O   HOH D 903     1555   1555  2.15  
SITE     1 AC1 12 TYR A  42  PHE A  43  HIS A  45  HIS A  58                    
SITE     2 AC1 12 LYS A  61  HIS A  87  LEU A  91  VAL A  93                    
SITE     3 AC1 12 PHE A  98  LEU A 136  HOH A 190  HOH A 900                    
SITE     1 AC2 11 PHE B  41  PHE B  42  HIS B  63  LYS B  66                    
SITE     2 AC2 11 SER B  70  PHE B  71  HIS B  92  VAL B  98                    
SITE     3 AC2 11 ASN B 102  LEU B 141  HOH B 901                               
SITE     1 AC3 13 TYR C  42  PHE C  43  HIS C  45  PHE C  46                    
SITE     2 AC3 13 HIS C  58  LYS C  61  LEU C  83  HIS C  87                    
SITE     3 AC3 13 LEU C  91  VAL C  93  PHE C  98  LEU C 101                    
SITE     4 AC3 13 HOH C 902                                                     
SITE     1 AC4 12 LYS C  11  PHE D  41  HIS D  63  PHE D  71                    
SITE     2 AC4 12 HIS D  92  LEU D  96  ASN D 102  LEU D 106                    
SITE     3 AC4 12 LEU D 141  HOH D 235  HOH D 328  HOH D 903                    
CRYST1   62.798   80.907  112.159  90.00  90.00  90.00 P 21 21 21    8          
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      0.015924  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.012360  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008916        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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