HEADER    OXYGEN TRANSPORT                        05-MAR-99   1T1N              
TITLE     CRYSTAL STRUCTURE OF CARBONMONOXY HEMOGLOBIN                          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN (HEMOGLOBIN);                                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: HBTNCO;                                                     
COMPND   5 OTHER_DETAILS: HEM GROUP IS COMPLEXED WITH CARBON MONOXIDE;          
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: PROTEIN (HEMOGLOBIN);                                      
COMPND   8 CHAIN: B;                                                            
COMPND   9 SYNONYM: HBTNCO;                                                     
COMPND  10 OTHER_DETAILS: HEM GROUP IS COMPLEXED WITH CARBON MONOXIDE           
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: TREMATOMUS NEWNESI;                             
SOURCE   3 ORGANISM_COMMON: DUSKY NOTOTHEN;                                     
SOURCE   4 ORGANISM_TAXID: 35730;                                               
SOURCE   5 TISSUE: BLOOD;                                                       
SOURCE   6 CELL: RED BLOOD CELLS;                                               
SOURCE   7 MOL_ID: 2;                                                           
SOURCE   8 ORGANISM_SCIENTIFIC: TREMATOMUS NEWNESI;                             
SOURCE   9 ORGANISM_COMMON: DUSKY NOTOTHEN;                                     
SOURCE  10 ORGANISM_TAXID: 35730;                                               
SOURCE  11 TISSUE: BLOOD;                                                       
SOURCE  12 CELL: RED BLOOD CELLS                                                
KEYWDS    OXYGEN TRANSPORT, HEMOGLOBIN                                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    L.MAZZARELLA,L.VITAGLIANO,C.SAVINO,A.ZAGARI                           
REVDAT   7   30-OCT-24 1T1N    1       REMARK                                   
REVDAT   6   23-AUG-23 1T1N    1       REMARK LINK                              
REVDAT   5   11-DEC-19 1T1N    1       REMARK LINK                              
REVDAT   4   07-NOV-12 1T1N    1       VERSN                                    
REVDAT   3   24-FEB-09 1T1N    1       VERSN                                    
REVDAT   2   01-APR-03 1T1N    1       JRNL                                     
REVDAT   1   29-APR-99 1T1N    0                                                
JRNL        AUTH   L.MAZZARELLA,R.D'AVINO,G.DI PRISCO,C.SAVINO,L.VITAGLIANO,    
JRNL        AUTH 2 P.C.E.MOODY,A.ZAGARI                                         
JRNL        TITL   CRYSTAL STRUCTURE OF TREMATOMUS NEWNESI HAEMOGLOBIN RE-OPENS 
JRNL        TITL 2 THE ROOT EFFECT QUESTION.                                    
JRNL        REF    J.MOL.BIOL.                   V. 287   897 1999              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   10222199                                                     
JRNL        DOI    10.1006/JMBI.1999.2632                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.1                                           
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 16.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 4.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 82.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 18129                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.192                           
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            : 2247                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 90                                      
REMARK   3   SOLVENT ATOMS            : 51                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 34.70                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 37.00                          
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) : 0.011                           
REMARK   3   BOND ANGLES            (DEGREES) : 2.364                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 21.79                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.572                           
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) : 0.860 ; 1.400                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 1.510 ; 1.400                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 1.500 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 2.370 ; 2.000                
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: BULK SOLVENT MODEL USED                   
REMARK   4                                                                      
REMARK   4 1T1N COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-MAR-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000000597.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-APR-93                          
REMARK 200  TEMPERATURE           (KELVIN) : 293                                
REMARK 200  PH                             : 8.0                                
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                         : COLLIMATOR                         
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS II                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 25207                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.100                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY                : 2.500                              
REMARK 200  R MERGE                    (I) : 0.07700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 10.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.20                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.8                               
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: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: 1PBX                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 64.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.40                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 8.0                                   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y,-Z                                                 
REMARK 290       3555   X+1/2,Y+1/2,Z                                           
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        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       45.58500            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       44.03000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       45.58500            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       44.03000            
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 12850 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 23780 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -112.0 KCAL/MOL                       
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 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   ND   HEM B   147     C    CMO B   148              2.09            
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    ACE A   0   O   -  C   -  N   ANGL. DEV. = -18.5 DEGREES          
REMARK 500    ARG A  31   NE  -  CZ  -  NH2 ANGL. DEV. =  -5.6 DEGREES          
REMARK 500    ILE A  41   CB  -  CA  -  C   ANGL. DEV. = -13.6 DEGREES          
REMARK 500    ARG A  93   NE  -  CZ  -  NH1 ANGL. DEV. =   3.5 DEGREES          
REMARK 500    ASP A 127   CB  -  CG  -  OD2 ANGL. DEV. =   6.6 DEGREES          
REMARK 500    ARG A 140   NE  -  CZ  -  NH1 ANGL. DEV. =   3.9 DEGREES          
REMARK 500    TYR A 141   CB  -  CG  -  CD2 ANGL. DEV. =  -4.5 DEGREES          
REMARK 500    TYR A 141   CB  -  CG  -  CD1 ANGL. DEV. =   4.2 DEGREES          
REMARK 500    ASP B   5   CB  -  CG  -  OD1 ANGL. DEV. =   5.5 DEGREES          
REMARK 500    TYR B  41   CB  -  CG  -  CD2 ANGL. DEV. =   3.8 DEGREES          
REMARK 500    ASP B 101   CB  -  CG  -  OD1 ANGL. DEV. =   7.1 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  53      131.10    -13.72                                   
REMARK 500    TYR A  90      -81.90   -101.87                                   
REMARK 500    LYS A  91      -88.24    -42.72                                   
REMARK 500    LEU A  92       -5.90    -59.91                                   
REMARK 500    ARG A  93       29.76     41.29                                   
REMARK 500    PHE B  45      -25.35   -156.84                                   
REMARK 500    TYR B  49     -102.59    -21.42                                   
REMARK 500    ASN B  50     -159.61    -94.01                                   
REMARK 500    ASN B  77       58.50   -140.48                                   
REMARK 500    GLU B  94       -9.29   -171.99                                   
REMARK 500    LYS B 143      -38.02    -28.06                                   
REMARK 500    GLN B 144      -72.29    -56.33                                   
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  88   NE2                                                    
REMARK 620 2 HEM A 143   NA   88.5                                              
REMARK 620 3 HEM A 143   NB   88.9  89.1                                        
REMARK 620 4 HEM A 143   NC   90.8 178.6  89.6                                  
REMARK 620 5 HEM A 143   ND   90.4  89.6 178.6  91.6                            
REMARK 620 6 CMO A 144   C   177.5  92.5  88.9  88.2  91.8                      
REMARK 620 7 CMO A 144   O   174.9  95.3  87.9  85.3  92.9   3.0                
REMARK 620 N                    1     2     3     4     5     6                 
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   90.3                                              
REMARK 620 3 HEM B 147   NB   95.0  89.8                                        
REMARK 620 4 HEM B 147   NC   90.4 178.9  89.4                                  
REMARK 620 5 HEM B 147   ND   89.6  90.6 175.5  90.2                            
REMARK 620 6 CMO B 148   C   155.4  83.6 108.8  96.1  66.8                      
REMARK 620 7 CMO B 148   O   161.3  97.4 102.0  82.2  73.4  15.4                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: STA                                                 
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: HEME GROUPS ARE BOUND TO CO                        
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: STB                                                 
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: HEME GROUPS ARE BOUND TO CO                        
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 143                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CMO A 144                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 147                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CMO B 148                 
DBREF  1T1N A    1   142  UNP    P45718   HBA1_TRENE       1    142             
DBREF  1T1N B    1   146  UNP    P45720   HBB_TRENE        1    146             
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 SER 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 ILE TYR PHE SER HIS TRP PRO ASP VAL THR PRO          
SEQRES   5 A  143  GLY SER PRO ASN 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 SER 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 VAL VAL TYR PRO TRP THR GLN          
SEQRES   4 B  146  ARG TYR PHE SER GLY PHE GLY ASN LEU TYR ASN ALA GLU          
SEQRES   5 B  146  GLY ILE MET SER ASN ALA ASN VAL ALA ALA HIS GLY ILE          
SEQRES   6 B  146  LYS VAL LEU HIS GLY LEU ASP ARG GLY MET LYS ASN MET          
SEQRES   7 B  146  ASP ASN ILE ALA ASP ALA TYR THR 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 ALA VAL VAL SER ALA LEU GLY LYS          
SEQRES  12 B  146  GLN TYR HIS                                                  
HET    ACE  A   0       3                                                       
HET    HEM  A 143      43                                                       
HET    CMO  A 144       2                                                       
HET    HEM  B 147      43                                                       
HET    CMO  B 148       2                                                       
HETNAM     ACE ACETYL GROUP                                                     
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETNAM     CMO CARBON MONOXIDE                                                  
HETSYN     HEM HEME                                                             
FORMUL   1  ACE    C2 H4 O                                                      
FORMUL   3  HEM    2(C34 H32 FE N4 O4)                                          
FORMUL   4  CMO    2(C O)                                                       
FORMUL   7  HOH   *51(H2 O)                                                     
HELIX    1  AA SER A    3  GLY A   18  1                                  16    
HELIX    2  BA SER A   20  VAL A   35  1                                  16    
HELIX    3  CA TYR A   36  TYR A   42  1                                   7    
HELIX    4  EA SER A   53  SER A   72  1                                  20    
HELIX    5  FA LEU A   81  ALA A   89  1                                   9    
HELIX    6  GA ASP A   95  MET A  113  1                                  19    
HELIX    7  HA THR A  119  GLU A  139  1                                  21    
HELIX    8  AB THR B    4  MET B   18  1                                  15    
HELIX    9  BB ASP B   19  VAL B   34  1                                  16    
HELIX   10  EB ASN B   57  LYS B   76  1                                  20    
HELIX   11  FB TYR B   85  SER B   93  1                                   9    
HELIX   12  GB ASP B   99  LYS B  117  1                                  19    
HELIX   13  HB THR B  123  LYS B  143  1                                  21    
LINK         C   ACE A   0                 N   SER A   1     1555   1555  1.34  
LINK         O   ACE A   0                 N   SER A   1     1555   1555  2.02  
LINK         NE2 HIS A  88                FE   HEM A 143     1555   1555  2.14  
LINK        FE   HEM A 143                 C   CMO A 144     1555   1555  1.75  
LINK        FE   HEM A 143                 O   CMO A 144     1555   1555  2.88  
LINK         NE2 HIS B  92                FE   HEM B 147     1555   1555  2.13  
LINK        FE   HEM B 147                 C   CMO B 148     1555   1555  1.78  
LINK        FE   HEM B 147                 O   CMO B 148     1555   1555  2.75  
SITE     1 STA  2 HIS A  88  HEM A 143                                          
SITE     1 STB  2 HIS B  92  HEM B 147                                          
SITE     1 AC1 13 TYR A  42  PHE A  43  HIS A  45  TRP A  46                    
SITE     2 AC1 13 HIS A  59  LYS A  62  GLN A  87  HIS A  88                    
SITE     3 AC1 13 LEU A  92  ASN A  98  LEU A 102  LEU A 137                    
SITE     4 AC1 13 CMO A 144                                                     
SITE     1 AC2  3 HIS A  59  VAL A  63  HEM A 143                               
SITE     1 AC3 12 TYR B  41  PHE B  42  HIS B  63  LYS B  66                    
SITE     2 AC3 12 HIS B  92  LEU B  96  VAL B  98  ASN B 102                    
SITE     3 AC3 12 PHE B 103  LEU B 106  LEU B 141  CMO B 148                    
SITE     1 AC4  3 HIS B  63  VAL B  67  HEM B 147                               
CRYST1   91.170   88.060   55.250  90.00  97.65  90.00 C 1 2 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      0.010968  0.000000  0.001473        0.00000                         
SCALE2      0.000000  0.011356  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.018262        0.00000                         
HETATM    1  C   ACE A   0       4.501 -16.502  -5.040  1.00 36.11           C  
HETATM    2  O   ACE A   0       5.388 -16.508  -4.212  1.00 36.68           O  
HETATM    3  CH3 ACE A   0       3.831 -15.355  -5.727  1.00 36.28           C