PDB Short entry for 1HHO
HEADER    OXYGEN TRANSPORT                        10-JUN-83   1HHO              
TITLE     STRUCTURE OF HUMAN OXYHAEMOGLOBIN AT 2.1 ANGSTROMS RESOLUTION         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HEMOGLOBIN A (OXY) (ALPHA CHAIN);                          
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: HEMOGLOBIN A (OXY) (BETA CHAIN);                           
COMPND   7 CHAIN: B;                                                            
COMPND   8 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 MOL_ID: 2;                                                           
SOURCE   6 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   7 ORGANISM_COMMON: HUMAN;                                              
SOURCE   8 ORGANISM_TAXID: 9606                                                 
KEYWDS    OXYGEN TRANSPORT                                                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    B.SHAANAN                                                             
REVDAT   6   13-JUL-11 1HHO    1       VERSN                                    
REVDAT   5   31-MAR-09 1HHO    1       CONECT MASTER LINK   REMARK              
REVDAT   4   24-FEB-09 1HHO    1       VERSN                                    
REVDAT   3   01-APR-03 1HHO    1       JRNL                                     
REVDAT   2   31-JAN-84 1HHO    1       JRNL                                     
REVDAT   1   27-OCT-83 1HHO    0                                                
JRNL        AUTH   B.SHAANAN                                                    
JRNL        TITL   STRUCTURE OF HUMAN OXYHAEMOGLOBIN AT 2.1 A RESOLUTION.       
JRNL        REF    J.MOL.BIOL.                   V. 171    31 1983              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   6644819                                                      
JRNL        DOI    10.1016/S0022-2836(83)80313-1                                
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   B.SHAANAN                                                    
REMARK   1  TITL   THE IRON-OXYGEN BOND IN HUMAN OXYHAEMOGLOBIN                 
REMARK   1  REF    NATURE                        V. 296   683 1982              
REMARK   1  REFN                   ISSN 0028-0836                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.10 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : NULL                                                 
REMARK   3   AUTHORS     : NULL                                                 
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : NULL                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : NULL                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.223                           
REMARK   3   FREE R VALUE                     : NULL                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2192                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 95                                      
REMARK   3   SOLVENT ATOMS            : 109                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.020                           
REMARK   3   BOND ANGLES            (DEGREES) : NULL                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
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  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  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: A TEMPERATURE FACTOR OF 100.00            
REMARK   3  INDICATES AN ATOM THAT IS NOT WELL DEFINED                          
REMARK   4                                                                      
REMARK   4 1HHO COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : NULL                               
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : NULL                               
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : NULL                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : NULL                               
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
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) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 45.32                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.25                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 285                                                                      
REMARK 285 THE ENTRY COORDINATES                                                
REMARK 285 ARE NOT PRESENTED IN THE STANDARD CRYSTAL FRAME.                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y+1/2,X+1/2,Z+1/4                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+3/4                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+1/4                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+3/4                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z+1/2                                            
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  0.453703  0.000000 -0.891256       82.61552            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2 -0.891050  0.000000 -0.453703      -50.63935            
REMARK 290   SMTRY1   3  0.726851  0.522718 -0.445628       41.30776            
REMARK 290   SMTRY2   3 -0.522555  0.000000 -0.852521       37.97084            
REMARK 290   SMTRY3   3 -0.445525  0.852590  0.273149      -25.31968            
REMARK 290   SMTRY1   4  0.726851 -0.522718 -0.445628      123.92328            
REMARK 290   SMTRY2   4  0.522555  0.000000  0.852521       37.97084            
REMARK 290   SMTRY3   4 -0.445525 -0.852590  0.273149      -75.95903            
REMARK 290   SMTRY1   5 -0.726851  0.522718  0.445628       41.30776            
REMARK 290   SMTRY2   5  0.522555  0.000000  0.852521       37.97084            
REMARK 290   SMTRY3   5  0.445525  0.852590 -0.273149      -25.31968            
REMARK 290   SMTRY1   6 -0.726851 -0.522718  0.445628      123.92328            
REMARK 290   SMTRY2   6 -0.522555  0.000000 -0.852521       37.97084            
REMARK 290   SMTRY3   6  0.445525 -0.852590 -0.273149      -75.95903            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8 -0.453703  0.000000  0.891256       82.61552            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.891050  0.000000  0.453703      -50.63935            
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                                  
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 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375 P    PO4 A 142  LIES ON A SPECIAL POSITION.                          
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   OE1  GLU A    30     O    HOH A   163              1.85            
REMARK 500   OD1  ASP A    64     O    HOH A   180              1.91            
REMARK 500   CB   PRO A    37     O    HOH A   155              1.98            
REMARK 500   OE2  GLU A    23     O    HOH A   158              2.12            
REMARK 500   OG   SER A     3     O    HOH A   190              2.15            
REMARK 500   N    THR B   123     O    HOH B   207              2.16            
REMARK 500   O    HOH A   177     O    HOH A   178              2.18            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   CD1  TRP A    14     O    HOH A   196     5655     2.06            
REMARK 500   C    CYS B    93     O    HOH A   166     7555     2.15            
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    ALA A  28   N   -  CA  -  CB  ANGL. DEV. =  -8.9 DEGREES          
REMARK 500    ARG A  31   NE  -  CZ  -  NH1 ANGL. DEV. =   8.3 DEGREES          
REMARK 500    ARG A  31   NE  -  CZ  -  NH2 ANGL. DEV. =  -5.4 DEGREES          
REMARK 500    TYR A  42   CB  -  CG  -  CD1 ANGL. DEV. =  -4.5 DEGREES          
REMARK 500    HIS A  89   O   -  C   -  N   ANGL. DEV. =  10.1 DEGREES          
REMARK 500    ARG A  92   NE  -  CZ  -  NH1 ANGL. DEV. =   6.3 DEGREES          
REMARK 500    ARG A  92   NE  -  CZ  -  NH2 ANGL. DEV. =  -6.5 DEGREES          
REMARK 500    ARG A 141   NE  -  CZ  -  NH1 ANGL. DEV. =   4.5 DEGREES          
REMARK 500    ARG A 141   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.7 DEGREES          
REMARK 500    VAL B   1   CA  -  CB  -  CG1 ANGL. DEV. = -10.8 DEGREES          
REMARK 500    THR B  12   N   -  CA  -  CB  ANGL. DEV. = -17.3 DEGREES          
REMARK 500    THR B  12   CA  -  CB  -  CG2 ANGL. DEV. =   9.9 DEGREES          
REMARK 500    ARG B  30   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.4 DEGREES          
REMARK 500    ARG B  40   NE  -  CZ  -  NH1 ANGL. DEV. =   3.4 DEGREES          
REMARK 500    PRO B 100   C   -  N   -  CA  ANGL. DEV. =  12.0 DEGREES          
REMARK 500    TYR B 145   CB  -  CG  -  CD2 ANGL. DEV. =   4.1 DEGREES          
REMARK 500    TYR B 145   CB  -  CG  -  CD1 ANGL. DEV. =  -5.9 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    LEU A   2      113.97     76.25                                   
REMARK 500    HIS A  72       17.08    119.82                                   
REMARK 500    ASP A  75       45.86   -165.28                                   
REMARK 500    HIS B   2      -71.20   -127.65                                   
REMARK 500    LEU B   3      115.80     60.33                                   
REMARK 500    ASN B  19       96.82    -66.76                                   
REMARK 500    ARG B  40      -34.75    -34.96                                   
REMARK 500    HIS B  77       34.63   -171.08                                   
REMARK 500    CYS B  93      -72.24    -87.96                                   
REMARK 500    ASP B  94       39.10    -98.87                                   
REMARK 500    LYS B  95      -38.10   -150.32                                   
REMARK 500    PRO B 100      -17.94    -40.71                                   
REMARK 500    PHE B 122       76.32   -100.47                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    ARG A 141         0.08    SIDE CHAIN                              
REMARK 500    TYR B 145         0.06    SIDE CHAIN                              
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 143  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  87   NE2                                                    
REMARK 620 2 HEM A 143   NA   93.0                                              
REMARK 620 3 HEM A 143   NB   93.4  83.2                                        
REMARK 620 4 HEM A 143   NC   97.5 168.9  92.5                                  
REMARK 620 5 HEM A 143   ND   90.2  96.5 176.4  87.1                            
REMARK 620 6 OXY A 150   O1  176.7  83.8  86.5  85.8  89.8                      
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   84.4                                              
REMARK 620 3 HEM B 147   NB   82.6  88.0                                        
REMARK 620 4 HEM B 147   NC   92.7 176.6  89.9                                  
REMARK 620 5 HEM B 147   ND   87.7  97.1 168.6  84.4                            
REMARK 620 6 OXY B 150   O1  174.8 100.8  96.7  82.1  92.4                      
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 PO4 A 142                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 143                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE OXY A 150                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 147                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE OXY B 150                 
DBREF  1HHO A    1   141  UNP    P69905   HBA_HUMAN        1    141             
DBREF  1HHO B    1   146  UNP    P68871   HBB_HUMAN        1    146             
SEQRES   1 A  141  VAL LEU SER PRO ALA ASP LYS THR ASN VAL LYS ALA ALA          
SEQRES   2 A  141  TRP GLY LYS VAL GLY ALA HIS ALA GLY GLU TYR GLY ALA          
SEQRES   3 A  141  GLU ALA LEU GLU ARG MET PHE LEU SER 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 GLY HIS GLY LYS LYS VAL ALA ASP ALA          
SEQRES   6 A  141  LEU THR ASN ALA VAL ALA HIS VAL ASP ASP MET PRO ASN          
SEQRES   7 A  141  ALA LEU SER ALA LEU SER ASP 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 VAL THR LEU ALA ALA HIS LEU PRO ALA GLU PHE          
SEQRES  10 A  141  THR PRO ALA VAL HIS ALA SER LEU ASP LYS PHE LEU ALA          
SEQRES  11 A  141  SER VAL SER THR VAL LEU THR SER LYS TYR ARG                  
SEQRES   1 B  146  VAL HIS LEU THR PRO GLU GLU LYS SER ALA VAL THR ALA          
SEQRES   2 B  146  LEU TRP GLY LYS VAL ASN VAL ASP 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 GLU SER PHE GLY ASP LEU SER THR PRO ASP          
SEQRES   5 B  146  ALA VAL MET GLY ASN PRO LYS VAL LYS ALA HIS GLY LYS          
SEQRES   6 B  146  LYS VAL LEU GLY ALA PHE SER ASP GLY LEU ALA HIS LEU          
SEQRES   7 B  146  ASP ASN LEU LYS GLY THR PHE ALA THR 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 CYS VAL LEU ALA HIS HIS          
SEQRES  10 B  146  PHE GLY LYS GLU PHE THR PRO PRO VAL GLN ALA ALA 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                                                  
HET    PO4  A 142       5                                                       
HET    HEM  A 143      43                                                       
HET    OXY  A 150       2                                                       
HET    HEM  B 147      43                                                       
HET    OXY  B 150       2                                                       
HETNAM     PO4 PHOSPHATE ION                                                    
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETNAM     OXY OXYGEN MOLECULE                                                  
HETSYN     HEM HEME                                                             
FORMUL   3  PO4    O4 P 3-                                                      
FORMUL   4  HEM    2(C34 H32 FE N4 O4)                                          
FORMUL   5  OXY    2(O2)                                                        
FORMUL   8  HOH   *109(H2 O)                                                    
HELIX    1  AA SER A    3  GLY A   18  1                                  16    
HELIX    2  AB HIS A   20  SER A   35  1                                  16    
HELIX    3  AC PHE A   36  TYR A   42  1                                   7    
HELIX    4  AD HIS A   50  GLY A   51  1DEGEN 2 RES HLX RETAIN HOMOL       2    
HELIX    5  AE SER A   52  ALA A   71  1                                  20    
HELIX    6  AF LEU A   80  ALA A   88  1                                   9    
HELIX    7  AG ASP A   94  HIS A  112  1                                  19    
HELIX    8  AH THR A  118  SER A  138  1                                  21    
HELIX    9  BA THR B    4  VAL B   18  1                                  15    
HELIX   10  BB ASN B   19  VAL B   34  1                                  16    
HELIX   11  BC TYR B   35  PHE B   41  1                                   7    
HELIX   12  BD THR B   50  GLY B   56  1                                   7    
HELIX   13  BE ASN B   57  ALA B   76  1                                  20    
HELIX   14  BF PHE B   85  CYS B   93  1                                   9    
HELIX   15  BG ASP B   99  HIS B  117  1                                  19    
HELIX   16  BH THR B  123  HIS B  143  1                                  21    
LINK         NE2 HIS A  87                FE   HEM A 143     1555   1555  1.94  
LINK         NE2 HIS B  92                FE   HEM B 147     1555   1555  2.07  
LINK        FE   HEM B 147                 O1  OXY B 150     1555   1555  1.87  
LINK        FE   HEM A 143                 O1  OXY A 150     1555   1555  1.66  
SITE     1 AC1  2 LYS A  99  ARG A 141                                          
SITE     1 AC2 15 PHE A  43  HIS A  45  HIS A  58  LYS A  61                    
SITE     2 AC2 15 ALA A  65  LEU A  83  HIS A  87  LEU A  91                    
SITE     3 AC2 15 VAL A  93  ASN A  97  PHE A  98  LEU A 101                    
SITE     4 AC2 15 VAL A 132  OXY A 150  HOH A 189                               
SITE     1 AC3  4 HIS A  58  VAL A  62  HIS A  87  HEM A 143                    
SITE     1 AC4 16 PRO A   4  THR B  38  PHE B  41  PHE B  42                    
SITE     2 AC4 16 HIS B  63  LYS B  66  VAL B  67  PHE B  71                    
SITE     3 AC4 16 LEU B  88  HIS B  92  VAL B  98  ASN B 102                    
SITE     4 AC4 16 LEU B 106  LEU B 141  OXY B 150  HOH B 158                    
SITE     1 AC5  4 LEU B  28  HIS B  63  VAL B  67  HEM B 147                    
CRYST1   53.700   53.700  193.800  90.00  90.00  90.00 P 41 21 2     8          
ORIGX1     -0.369493  0.707114 -0.602812       28.50700                         
ORIGX2      0.369493  0.707114  0.602812       28.50700                         
ORIGX3      0.852534  0.000000 -0.522635        0.00000                         
SCALE1     -0.006881  0.013168 -0.011226        0.53086                         
SCALE2      0.006881  0.013168  0.011226        0.53086                         
SCALE3      0.004399  0.000000 -0.002697        0.00000