HEADER    OXYGEN STORAGE                          27-FEB-92   1MYG              
TITLE     HIGH RESOLUTION X-RAY STRUCTURES OF PIG METMYOGLOBIN AND              
TITLE    2 TWO CD3 MUTANTS MB(LYS45-> ARG) AND MB(LYS45-> SER)                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: MYOGLOBIN;                                                 
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SUS SCROFA                                      
KEYWDS    OXYGEN STORAGE                                                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.J.SMERDON,T.J.OLDFIELD,A.J.WILKINSON,Z.DAUTER,K.PETRATOS,           
AUTHOR   2 K.S.WILSON                                                           
REVDAT   3   01-APR-03 1MYG    1       JRNL                                     
REVDAT   2   30-APR-94 1MYG    3       REMARK FTNOTE FORMUL ATOM                
REVDAT   2 2                   3       HETATM TER    CONECT                     
REVDAT   1   31-JAN-94 1MYG    0                                                
JRNL        AUTH   T.J.OLDFIELD,S.J.SMERDON,Z.DAUTER,K.PETRATOS,                
JRNL        AUTH 2 K.S.WILSON,A.J.WILKINSON                                     
JRNL        TITL   HIGH-RESOLUTION X-RAY STRUCTURES OF PIG                      
JRNL        TITL 2 METMYOGLOBIN AND TWO CD3 MUTANTS: MB(LYS45----ARG)           
JRNL        TITL 3 AND MB(LYS45----SER).                                        
JRNL        REF    BIOCHEMISTRY                  V.  31  8732 1992              
JRNL        REFN   ASTM BICHAW  US ISSN 0006-2960                               
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   S.J.SMERDON,G.G.DODSON,A.J.WILKINSON,Q.H.GIBSON,             
REMARK   1  AUTH 2 R.S.BLACKMORE,T.E.CARVER,J.S.OLSON                           
REMARK   1  TITL   DISTAL POLARITY IN LIGAND BINDING TO MYOGLOBIN:              
REMARK   1  TITL 2 STRUCTURAL AND FUNCTIONAL CHARACTERIZATION OF A              
REMARK   1  TITL 3 THREONINE68(E11) MUTANT                                      
REMARK   1  REF    BIOCHEMISTRY                  V.  30  6252 1991              
REMARK   1  REFN   ASTM BICHAW  US ISSN 0006-2960                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   S.J.SMERDON,T.J.OLDFIELD,E.J.DODSON,G.G.DODSON,              
REMARK   1  AUTH 2 R.E.HUBBARD,A.J.WILKINSON                                    
REMARK   1  TITL   DETERMINATION OF THE CRYSTAL STRUCTURE OF                    
REMARK   1  TITL 2 RECOMBINANT PIG MYOGLOBIN BY MOLECULAR REPLACEMENT           
REMARK   1  TITL 3 AND ITS REFINEMENT                                           
REMARK   1  REF    ACTA CRYSTALLOGR.,SECT.B      V.  46   370 1990              
REMARK   1  REFN   ASTM ACBCAR  DK ISSN 0567-7408                               
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   G.G.DODSON,R.E.HUBBARD,T.J.OLDFIELD,S.J.SMERDON,             
REMARK   1  AUTH 2 A.J.WILKINSON                                                
REMARK   1  TITL   APOMYOGLOBIN AS A MOLECULAR RECOGNITION SURFACE:             
REMARK   1  TITL 2 EXPRESSION, RECONSTITUTION AND CRYSTALLISATION OF            
REMARK   1  TITL 3 RECOMBINANT PORCINE MYOGLOBIN IN ESCHERICHIA COLI            
REMARK   1  REF    PROTEIN ENG.                  V.   2   233 1988              
REMARK   1  REFN   ASTM PRENE9  UK ISSN 0269-2139                               
REMARK   2                                                                      
REMARK   2 RESOLUTION. 1.75 ANGSTROMS.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PROLSQ                                               
REMARK   3   AUTHORS     : KONNERT,HENDRICKSON                                  
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.75                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 42290                          
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 + TEST SET) : 0.198                           
REMARK   3   R VALUE            (WORKING SET) : NULL                            
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                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL WITH ALL DATA.                               
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                   
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE                  (NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : NULL                   
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2417                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 96                                      
REMARK   3   SOLVENT ATOMS            : 233                                     
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  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : 0.024 ; 0.020               
REMARK   3    ANGLE DISTANCE                  (A) : 0.068 ; 0.040               
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : 0.085 ; 0.060               
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : 0.020 ; 0.020               
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : 0.315 ; 0.120               
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : 0.228 ; 0.500               
REMARK   3    MULTIPLE TORSION                (A) : 0.352 ; 0.500               
REMARK   3    H-BOND (X...Y)                  (A) : NULL  ; NULL                
REMARK   3    H-BOND (X-H...Y)                (A) : 0.192 ; 0.500               
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : 3.665 ; 20.000              
REMARK   3    STAGGERED                 (DEGREES) : 22.530; 20.000              
REMARK   3    TRANSVERSE                (DEGREES) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 2.918 ; 1.000                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 4.371 ; 1.500                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 7.104 ; 1.500                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 10.820; 2.000                
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1MYG COMPLIES WITH FORMAT V. 3.0, 1-DEC-2006                         
REMARK   4                                                                      
REMARK   4 THIS IS THE REMEDIATED VERSION OF THIS PDB ENTRY.                    
REMARK   4 REMEDIATED DATA FILE REVISION 3.100 (2007-03-17)                     
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   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   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   (%): 65.97                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.61                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 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                                             
REMARK 290       3555   1/2+X,1/2+Y,1/2+Z                                       
REMARK 290       4555   1/2-X,Y,1/2-Z                                           
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000       21.24500            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       60.78457            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       21.24500            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       46.14812            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       60.78457            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000       46.14812            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
REMARK 300 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT             
REMARK 300 WHICH CONSISTS OF 2 CHAIN(S). SEE REMARK 350 FOR                     
REMARK 300 INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S).                
REMARK 350                                                                      
REMARK 350 GENERATING THE BIOMOLECULE                                           
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 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 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                             
REMARK 500   O    HOH      80     O    HOH      81              2.02            
REMARK 500  FE    HEM B   154     O    HOH       4              2.14            
REMARK 500   NE2  HIS B    93    FE    HEM B   154              2.18            
REMARK 500   O    ALA B   143     OXT  GLY B   153              2.18            
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   CD2  HIS A    48     CD2  HIS B    48     1546     2.19            
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  M RES CSSEQI        PSI       PHI                                   
REMARK 500    GLN A 152      125.98    119.93                                   
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525 THE FOLLOWING SOLVENT MOLECULES LIE FARTHER THAN EXPECTED            
REMARK 525 FROM THE PROTEIN OR NUCLEIC ACID MOLECULE AND MAY BE                 
REMARK 525 ASSOCIATED WITH A SYMMETRY RELATED MOLECULE (M=MODEL                 
REMARK 525 NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE          
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH    10        DISTANCE =  5.87 ANGSTROMS                       
DBREF  1MYG A    1   153  UNP    P02189   MYG_PIG          1    153             
DBREF  1MYG B    1   153  UNP    P02189   MYG_PIG          1    153             
SEQRES   1 A  153  GLY LEU SER ASP GLY GLU TRP GLN LEU VAL LEU ASN VAL          
SEQRES   2 A  153  TRP GLY LYS VAL GLU ALA ASP VAL ALA GLY HIS GLY GLN          
SEQRES   3 A  153  GLU VAL LEU ILE ARG LEU PHE LYS GLY HIS PRO GLU THR          
SEQRES   4 A  153  LEU GLU LYS PHE ASP LYS PHE LYS HIS LEU LYS SER GLU          
SEQRES   5 A  153  ASP GLU MET LYS ALA SER GLU ASP LEU LYS LYS HIS GLY          
SEQRES   6 A  153  ASN THR VAL LEU THR ALA LEU GLY GLY ILE LEU LYS LYS          
SEQRES   7 A  153  LYS GLY HIS HIS GLU ALA GLU LEU THR PRO LEU ALA GLN          
SEQRES   8 A  153  SER HIS ALA THR LYS HIS LYS ILE PRO VAL LYS TYR LEU          
SEQRES   9 A  153  GLU PHE ILE SER GLU ALA ILE ILE GLN VAL LEU GLN SER          
SEQRES  10 A  153  LYS HIS PRO GLY ASP PHE GLY ALA ASP ALA GLN GLY ALA          
SEQRES  11 A  153  MET SER LYS ALA LEU GLU LEU PHE ARG ASN ASP MET ALA          
SEQRES  12 A  153  ALA LYS TYR LYS GLU LEU GLY PHE GLN GLY                      
SEQRES   1 B  153  GLY LEU SER ASP GLY GLU TRP GLN LEU VAL LEU ASN VAL          
SEQRES   2 B  153  TRP GLY LYS VAL GLU ALA ASP VAL ALA GLY HIS GLY GLN          
SEQRES   3 B  153  GLU VAL LEU ILE ARG LEU PHE LYS GLY HIS PRO GLU THR          
SEQRES   4 B  153  LEU GLU LYS PHE ASP LYS PHE LYS HIS LEU LYS SER GLU          
SEQRES   5 B  153  ASP GLU MET LYS ALA SER GLU ASP LEU LYS LYS HIS GLY          
SEQRES   6 B  153  ASN THR VAL LEU THR ALA LEU GLY GLY ILE LEU LYS LYS          
SEQRES   7 B  153  LYS GLY HIS HIS GLU ALA GLU LEU THR PRO LEU ALA GLN          
SEQRES   8 B  153  SER HIS ALA THR LYS HIS LYS ILE PRO VAL LYS TYR LEU          
SEQRES   9 B  153  GLU PHE ILE SER GLU ALA ILE ILE GLN VAL LEU GLN SER          
SEQRES  10 B  153  LYS HIS PRO GLY ASP PHE GLY ALA ASP ALA GLN GLY ALA          
SEQRES  11 B  153  MET SER LYS ALA LEU GLU LEU PHE ARG ASN ASP MET ALA          
SEQRES  12 B  153  ALA LYS TYR LYS GLU LEU GLY PHE GLN GLY                      
FTNOTE   1 RESIDUES 152 AND 153 ARE DISORDERED AND NOT DEFINED IN               
FTNOTE   1  DENSITY MAPS.                                                       
FTNOTE   2 HOH 5 AND HOH 17 ARE WATER MOLECULES IN THE HEME POCKET              
FTNOTE   2  AND LIGATED TO THE HEME IRON.                                       
HET    SO4    300       5                                                       
HET    SO4    301       5                                                       
HET    HEM  A 154      43                                                       
HET    HEM  B 154      43                                                       
HETNAM     SO4 SULFATE ION                                                      
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETSYN     HEM HEME                                                             
FORMUL   3  SO4    2(O4 S 2-)                                                   
FORMUL   5  HEM    2(C34 H32 FE N4 O4)                                          
FORMUL   7  HOH   *233(H2 O)                                                    
HELIX    1  A1 SER A    3  GLU A   18  1                                  16    
HELIX    2  B1 ASP A   20  GLY A   35  1                                  16    
HELIX    3  C1 HIS A   36  LYS A   42  1                                   7    
HELIX    4  D1 SER A   51  ALA A   57  1                                   7    
HELIX    5  E1 SER A   58  LYS A   77  1                                  20    
HELIX    6  F1 LEU A   86  THR A   95  1                                  10    
HELIX    7  G1 PRO A  100  LYS A  118  1                                  19    
HELIX    8  H1 GLY A  124  LEU A  149  1                                  26    
HELIX    9  A2 SER B    3  GLU B   18  1                                  16    
HELIX   10  B2 ASP B   20  GLY B   35  1                                  16    
HELIX   11  C2 HIS B   36  LYS B   42  1                                   7    
HELIX   12  D2 SER B   51  ALA B   57  1                                   7    
HELIX   13  E2 SER B   58  LYS B   77  1                                  20    
HELIX   14  F2 LEU B   86  THR B   95  1                                  10    
HELIX   15  G2 PRO B  100  LYS B  118  1                                  19    
HELIX   16  H2 GLY B  124  LEU B  149  1                                  26    
CRYST1  125.260   42.490   92.370  90.00  92.29  90.00 I 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      0.007983  0.000000  0.000319        0.00000                         
SCALE2      0.000000  0.023535  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010835        0.00000