HEADER    OXYGEN STORAGE/TRANSPORT                21-FEB-02   1L2K              
TITLE     NEUTRON STRUCTURE DETERMINATION OF SPERM WHALE MET-MYOGLOBIN AT 1.5A  
TITLE    2 RESOLUTION.                                                          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: MYOGLOBIN;                                                 
COMPND   3 CHAIN: A                                                             
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: PHYSETER CATODON;                               
SOURCE   3 ORGANISM_COMMON: SPERM WHALE;                                        
SOURCE   4 ORGANISM_TAXID: 9755;                                                
SOURCE   5 TISSUE: MUSCLE                                                       
KEYWDS    NEUTRON STRUCTURE, HYDROGEN ATOMS, HYDRATION STRUCTURE, HEME PROTEIN, 
KEYWDS   2 OXYGEN STORAGE-TRANSPORT COMPLEX                                     
EXPDTA    NEUTRON DIFFRACTION                                                   
AUTHOR    A.OSTERMANN,I.TANAKA,N.ENGLER,N.NIIMURA,F.G.PARAK                     
REVDAT   5   03-APR-24 1L2K    1       REMARK                                   
REVDAT   4   14-FEB-24 1L2K    1       LINK                                     
REVDAT   3   13-JUL-11 1L2K    1       VERSN                                    
REVDAT   2   24-FEB-09 1L2K    1       VERSN                                    
REVDAT   1   21-AUG-02 1L2K    0                                                
JRNL        AUTH   A.OSTERMANN,I.TANAKA,N.ENGLER,N.NIIMURA,F.G.PARAK            
JRNL        TITL   HYDROGEN AND DEUTERIUM IN MYOGLOBIN AS SEEN BY A NEUTRON     
JRNL        TITL 2 STRUCTURE DETERMINATION AT 1.5 A RESOLUTION.                 
JRNL        REF    BIOPHYS.CHEM.                 V.  95   183 2002              
JRNL        REFN                   ISSN 0301-4622                               
JRNL        PMID   12062378                                                     
JRNL        DOI    10.1016/S0301-4622(01)00255-1                                
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   N.NIIMURA                                                    
REMARK   1  TITL   NEUTRONS EXPAND THE FIELD OF STRUCTURAL BIOLOGY              
REMARK   1  REF    CURR.OPIN.STRUCT.BIOL.        V.   9   602 1999              
REMARK   1  REFN                   ISSN 0959-440X                               
REMARK   1  DOI    10.1016/S0959-440X(99)00012-3                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.0                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : MAXIMUM LIKELIHOOD TARGET USING AMPLITUDES      
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 22.70                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 10000000.000                   
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 88.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 19063                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.201                           
REMARK   3   FREE R VALUE                     : 0.238                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 6.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1308                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.006                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 10                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.50                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.55                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 72.90                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 1431                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2825                       
REMARK   3   BIN FREE R VALUE                    : 0.3057                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 7.20                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 111                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.030                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1203                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 54                                      
REMARK   3   SOLVENT ATOMS            : 74                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 8.50                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 12.90                          
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) : 0.17                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.20                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.21                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.25                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.005                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.000                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 18.30                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 5.010                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; 2.200                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; 2.700                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.06                                                 
REMARK   3   BSOL        : 120.0                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN.PARAM                                  
REMARK   3  PARAMETER FILE  2  : PARAM19X.HEME                                  
REMARK   3  PARAMETER FILE  3  : PARNEUTRON.SOL                                 
REMARK   3  PARAMETER FILE  4  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN-ALLHDG.TOP                             
REMARK   3  TOPOLOGY FILE  2   : TOPH19X.HEME                                   
REMARK   3  TOPOLOGY FILE  3   : TOPNEUTRON.SOL                                 
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS:                                           
REMARK   3  X-PLOR 3.851 WAS ALSO USED IN REFINEMENT.                           
REMARK   3  THE STANDARD TOPOLOGY AND                                           
REMARK   3  PARAMETER FILES WERE CHANGED FOR SEVERAL HYDROGEN ATOM              
REMARK   3  PARAMETERS TO MEET THE REQUIREMENTS OF THE NEUTRON                  
REMARK   3  STRUCTURE REFINEMENT.  THE FOLLOWING NEUTRON-SCATTERING             
REMARK   3  LENGTHS WERE USED FOR THE REFINEMENT:                               
REMARK   3  ATOM H  =  -0.374  10**-12 CM.                                      
REMARK   3  ATOM D  =   0.667  10**-12 CM.                                      
REMARK   3  ATOM C  =   0.665  10**-12 CM.                                      
REMARK   3  ATOM N  =   0.921  10**-12 CM.                                      
REMARK   3  ATOM O  =   0.581  10**-12 CM.                                      
REMARK   3  ATOM S  =   0.285  10**-12 CM.                                      
REMARK   3  ATOM FE =   0.954  10**-12 CM.                                      
REMARK   3  DEUTERIUM ATOMS IN AMINO ACID SIDE CHAINS WERE ONLY                 
REMARK   3  INCLUDED INTO THE MODEL IF A SIGNIFICANT DENSITY FEATURE            
REMARK   3  WAS PRESENT.                                                        
REMARK   3  OCCUPANCIES FOR THE BACKBONE AMIDE HYDROGEN ATOMS WERE              
REMARK   3  REFINED (H/D EXCHANGE). FOR THE OCCUPANCY REFINEMENT NO             
REMARK   3  CONSTRAINT FOR ADDING UP THE OCCUPANCIES TO 1.0  WAS USED.          
REMARK   3  THE ADDED FRACTIONAL OCCUPANCY AVERAGED OVER ALL BACKBONE           
REMARK   3  AMIDE GROUPS YIELDS A VALUE OF 1.09 WITH AN S.D. OF 0.125.          
REMARK   3  THE VALUES GIVEN IN THIS COORDINATE FILE ARE NORMALIZED.            
REMARK   3  A POSITIONAL REFINEMENT FOR THE BACKBONE AMIDE HYDROGEN             
REMARK   3  ATOMS WITH WEAKENED IN-PLANE RESTRAINTS FOR THE HYDROGEN            
REMARK   3  ATOM WITH RESPECT TO THE AMIDE PLANE SHOWED DEVIATIONS              
REMARK   3  GREATER THAN 10 DEGREE FOR THE FOLLOWING RESIDUES: 12,15,           
REMARK   3  31,48,51,56,58,80,94,96,97,99,101,103,104,107,144. THE              
REMARK   3  COORDINATES GIVEN IN THIS FILE WERE REFINED WITH NORMAL             
REMARK   3  RESTRAINTS.                                                         
REMARK   3  IN HIS 97 THE HYDROGEN ATOM HE1 WHICH IS BOUND TO THE               
REMARK   3  CARBON ATOM CE1 IS EXCHANGED TO DEUTERIUM.                          
REMARK   3  FOR SEVERAL WATER MOLECULES (DOD) ONLY THE O-ATOM AND ONE           
REMARK   3  D-ATOM COULD BE OBSERVED IN THE DENSITY MAP. THE SECOND             
REMARK   3  D-ATOM IS STRONGLY DISORDERED. THESE WATER MOLECULES WERE           
REMARK   3  MODELED AS OD. IT DOES NOT MEAN HYDROXYL-ION.                       
REMARK   3  THERE IS NEARLY NO NEUTRON DENSITY FOR RESIDUE 152 AND 153.         
REMARK   3  THOSE RESIDUES WERE NOT INCLUDED INTO THE MODEL.                    
REMARK   4                                                                      
REMARK   4 1L2K COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-FEB-02.                  
REMARK 100 THE DEPOSITION ID IS D_1000015584.                                   
REMARK 230                                                                      
REMARK 230 EXPERIMENTAL DETAILS                                                 
REMARK 230  EXPERIMENT TYPE                : NEUTRON DIFFRACTION                
REMARK 230  DATE OF DATA COLLECTION        : 05-FEB-00                          
REMARK 230  TEMPERATURE           (KELVIN) : 298.0                              
REMARK 230  PH                             : 6.80                               
REMARK 230  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 230                                                                      
REMARK 230  NEUTRON SOURCE                 : NUCLEAR REACTOR                    
REMARK 230  BEAMLINE                       : BIX-3 (1G-A BEAM PORT)             
REMARK 230  WAVELENGTH OR RANGE        (A) : 2.35                               
REMARK 230  MONOCHROMATOR                  : ELASTICALLY BENT SILICON           
REMARK 230  OPTICS                         : NULL                               
REMARK 230                                                                      
REMARK 230  DETECTOR TYPE                  : NEUTRON IMAGE PLATE                
REMARK 230  DETECTOR MANUFACTURER          : MACSCIENCE                         
REMARK 230  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 230  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 230                                                                      
REMARK 230  NUMBER OF UNIQUE REFLECTIONS   : 19135                              
REMARK 230  RESOLUTION RANGE HIGH      (A) : 1.500                              
REMARK 230  RESOLUTION RANGE LOW       (A) : 25.000                             
REMARK 230  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 230                                                                      
REMARK 230 OVERALL.                                                             
REMARK 230  COMPLETENESS FOR RANGE     (%) : 87.9                               
REMARK 230  DATA REDUNDANCY                : 2.900                              
REMARK 230  R MERGE                    (I) : 0.10300                            
REMARK 230  R SYM                      (I) : NULL                               
REMARK 230  <I/SIGMA(I)> FOR THE DATA SET  : 6.3000                             
REMARK 230                                                                      
REMARK 230 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 230  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50                     
REMARK 230  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.55                     
REMARK 230  COMPLETENESS FOR SHELL     (%) : 67.0                               
REMARK 230  DATA REDUNDANCY IN SHELL       : 2.10                               
REMARK 230  R MERGE FOR SHELL          (I) : 0.24900                            
REMARK 230  R SYM FOR SHELL            (I) : NULL                               
REMARK 230  <I/SIGMA(I)> FOR SHELL         : 2.700                              
REMARK 230                                                                      
REMARK 230 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 230 SOFTWARE USED : X-PLOR                                               
REMARK 230 STARTING MODEL: X-RAY STRUCTURE                                      
REMARK 230                                                                      
REMARK 230 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): NULL                                      
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): NULL                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, POTASSIUM PHOSPHATE,   
REMARK 280  PH 6.8, BATCH CRYSTALLIZATION, TEMPERATURE 298K                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y+1/2,-Z                                             
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000       15.43500            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
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 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     GLN A   152                                                      
REMARK 465     GLY A   153                                                      
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   D1   DOD A   183     O    DOD A   409              1.42            
REMARK 500   D    LEU A     2     O    DOD A   961              1.59            
REMARK 500   H    LEU A     2     O    DOD A   961              1.59            
REMARK 500   OE2  GLU A    18     O    DOD A   958              2.01            
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    ASP A  20       72.94   -154.19                                   
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 154  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  93   NE2                                                    
REMARK 620 2 HEM A 154   NA   88.2                                              
REMARK 620 3 HEM A 154   NB   93.6  89.2                                        
REMARK 620 4 HEM A 154   NC   95.2 176.6  90.6                                  
REMARK 620 5 HEM A 154   ND   93.0  90.2 173.4  89.6                            
REMARK 620 6 DOD A 156   O   178.3  93.1  87.4  83.4  86.1                      
REMARK 620 N                    1     2     3     4     5                       
DBREF  1L2K A    1   153  UNP    P02185   MYG_PHYCA        1    153             
SEQRES   1 A  153  VAL LEU SER GLU GLY GLU TRP GLN LEU VAL LEU HIS VAL          
SEQRES   2 A  153  TRP ALA LYS VAL GLU ALA ASP VAL ALA GLY HIS GLY GLN          
SEQRES   3 A  153  ASP ILE LEU ILE ARG LEU PHE LYS SER HIS PRO GLU THR          
SEQRES   4 A  153  LEU GLU LYS PHE ASP ARG PHE LYS HIS LEU LYS THR GLU          
SEQRES   5 A  153  ALA GLU MET LYS ALA SER GLU ASP LEU LYS LYS HIS GLY          
SEQRES   6 A  153  VAL THR VAL LEU THR ALA LEU GLY ALA ILE LEU LYS LYS          
SEQRES   7 A  153  LYS GLY HIS HIS GLU ALA GLU LEU LYS PRO LEU ALA GLN          
SEQRES   8 A  153  SER HIS ALA THR LYS HIS LYS ILE PRO ILE LYS TYR LEU          
SEQRES   9 A  153  GLU PHE ILE SER GLU ALA ILE ILE HIS VAL LEU HIS SER          
SEQRES  10 A  153  ARG HIS PRO GLY ASP PHE GLY ALA ASP ALA GLN GLY ALA          
SEQRES  11 A  153  MET ASN LYS ALA LEU GLU LEU PHE ARG LYS ASP ILE ALA          
SEQRES  12 A  153  ALA LYS TYR LYS GLU LEU GLY TYR GLN GLY                      
HET    SO4  A 155       5                                                       
HET    ND4  A 818       5                                                       
HET    SO4  A 901       5                                                       
HET    HEM  A 154      73                                                       
HETNAM     SO4 SULFATE ION                                                      
HETNAM     ND4 AMMONIUM CATION WITH D                                           
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETSYN     HEM HEME                                                             
FORMUL   2  SO4    2(O4 S 2-)                                                   
FORMUL   3  ND4    N 1+                                                         
FORMUL   5  HEM    C34 H32 FE N4 O4                                             
FORMUL   6  DOD   *74(D2 O)                                                     
HELIX    1   1 SER A    3  GLU A   18  1                                  16    
HELIX    2   2 ASP A   20  HIS A   36  1                                  17    
HELIX    3   3 PRO A   37  PHE A   43  5                                   7    
HELIX    4   4 THR A   51  SER A   58  1                                   8    
HELIX    5   5 SER A   58  LYS A   77  1                                  20    
HELIX    6   6 HIS A   82  LYS A   96  1                                  15    
HELIX    7   7 PRO A  100  HIS A  119  1                                  20    
HELIX    8   8 GLY A  124  GLY A  150  1                                  27    
LINK         NE2 HIS A  93                FE   HEM A 154     1555   1555  2.22  
LINK        FE   HEM A 154                 O   DOD A 156     1555   1555  2.21  
CRYST1   64.530   30.870   34.870  90.00 105.70  90.00 P 1 21 1      2          
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      0.015497  0.000000  0.004356        0.00000                         
SCALE2      0.000000  0.032394  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.029789        0.00000