PDB entry 2lhb

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HEADER    OXYGEN TRANSPORT                        16-AUG-85   2LHB              
TITLE     REFINEMENT OF A MOLECULAR MODEL FOR LAMPREY HEMOGLOBIN FROM           
TITLE    2 PETROMYZON MARINUS                                                   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HEMOGLOBIN V (CYANO MET);                                  
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: PETROMYZON MARINUS                              
KEYWDS    OXYGEN TRANSPORT                                                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    R.B.HONZATKO,W.A.HENDRICKSON,W.E.LOVE                                 
REVDAT   2   15-APR-91 2LHB    1       HET    SITE                              
REVDAT   1   21-JAN-86 2LHB    0                                                
JRNL        AUTH   R.B.HONZATKO,W.A.HENDRICKSON,W.E.LOVE                        
JRNL        TITL   REFINEMENT OF A MOLECULAR MODEL FOR LAMPREY                  
JRNL        TITL 2 HEMOGLOBIN FROM PETROMYZON MARINUS.                          
JRNL        REF    J.MOL.BIOL.                   V. 184   147 1985              
JRNL        REFN   ASTM JMOBAK  UK ISSN 0022-2836                               
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   W.A.HENDRICKSON,W.E.LOVE,J.KARLE                             
REMARK   1  TITL   CRYSTAL STRUCTURE ANALYSIS OF SEA LAMPREY                    
REMARK   1  TITL 2 HEMOGLOBIN AT 2 ANGSTROMS RESOLUTION                         
REMARK   1  REF    J.MOL.BIOL.                   V.  74   331 1973              
REMARK   1  REFN   ASTM JMOBAK  UK ISSN 0022-2836                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   W.A.HENDRICKSON,W.E.LOVE                                     
REMARK   1  TITL   STRUCTURE OF LAMPREY HAEMOGLOBIN                             
REMARK   1  REF    NATURE NEW BIOL.              V. 232   197 1971              
REMARK   1  REFN   ASTM NNBYA7  UK ISSN 0369-4887                               
REMARK   2                                                                      
REMARK   2 RESOLUTION. 2.00 ANGSTROMS.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : NULL                                                 
REMARK   3   AUTHORS     : NULL                                                 
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : NULL                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : NULL                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.142                           
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            : 2360                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 45                                      
REMARK   3   SOLVENT ATOMS            : 215                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.014                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.50                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2LHB 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 (2007-03-23)                     
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   (%): 40.59                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.07                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   1/2-X,-Y,1/2+Z                                          
REMARK 290       3555   -X,1/2+Y,1/2-Z                                          
REMARK 290       4555   1/2+X,1/2-Y,-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       22.28500            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       15.67000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       48.31000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       15.67000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       22.28500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       48.31000            
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 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT             
REMARK 300 WHICH CONSISTS OF 1 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 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     175     O    HOH     358              1.65            
REMARK 500   O    HOH     272     O    HOH     316              1.86            
REMARK 500   C    CYN     150    FE    HEM     150              1.90            
REMARK 500   O    HOH     222     O    HOH     292              1.98            
REMARK 500   O    HOH     211     O    HOH     284              2.00            
REMARK 500   O    HOH     321     O    HOH     340              2.04            
REMARK 500   CE   LYS A    54     O    HOH     254              2.05            
REMARK 500   OE1  GLU A    63     O    HOH     214              2.05            
REMARK 500   OD1  ASP A    90     O    HOH     264              2.06            
REMARK 500   O    HOH     220     O    HOH     274              2.07            
REMARK 500   O    HOH     295     O    HOH     331              2.07            
REMARK 500   O    HOH     240     O    HOH     318              2.08            
REMARK 500   OG1  THR A   126     O    HOH     371              2.09            
REMARK 500   O    HOH     300     O    HOH     318              2.09            
REMARK 500   NE2  HIS A   105    FE    HEM     150              2.10            
REMARK 500   OE1  GLU A    75     O    HOH     378              2.14            
REMARK 500   O    HOH     323     O    HOH     379              2.16            
REMARK 500   NZ   LYS A   136     O    HOH     375              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   O    HOH     256     O    HOH     322     2565     1.77            
REMARK 500   O    HOH     164     O    HOH     306     2564     1.78            
REMARK 500   O    HOH     263     O    HOH     343     1455     1.84            
REMARK 500   O    HOH     229     O    HOH     241     4455     1.87            
REMARK 500   O    HOH     276     O    HOH     341     4454     2.01            
REMARK 500   O    HOH     354     O    HOH     374     4554     2.01            
REMARK 500   O    HOH     256     O    HOH     331     2565     2.02            
REMARK 500   O    HOH     223     O    HOH     269     4554     2.06            
REMARK 500   O    HOH     263     O    HOH     374     4454     2.06            
REMARK 500   O    HOH     298     O    HOH     343     1455     2.06            
REMARK 500   O    HOH     287     O    HOH     293     2565     2.12            
REMARK 500   O    HOH     169     O    HOH     239     1554     2.14            
REMARK 500   O    HOH     259     O    HOH     315     1455     2.15            
REMARK 500   O    HOH     156     O    HOH     166     2565     2.16            
REMARK 500   NH2  ARG A    99     O    HOH     193     1556     2.17            
REMARK 500   O    HOH     185     O    HOH     331     2565     2.17            
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: ENGH AND HUBER, 1991                                
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A  99   CG  -  CD  -  NE  ANGL. DEV. =-31.6 DEGREES           
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   193        DISTANCE =  5.10 ANGSTROMS                       
REMARK 525    HOH   324        DISTANCE =  5.91 ANGSTROMS                       
REMARK 525    HOH   364        DISTANCE =  5.95 ANGSTROMS                       
DBREF  2LHB A    1   149  UNP    P02208   GLB5_PETMA       1    149             
SEQADV 2LHB GLU A   63  UNP  P02208    GLN    63 CONFLICT                       
SEQADV 2LHB ASP A   82  UNP  P02208    ASN    82 CONFLICT                       
SEQADV 2LHB ASN A  100  UNP  P02208    ASP   100 CONFLICT                       
SEQADV 2LHB GLU A  114  UNP  P02208    GLN   114 CONFLICT                       
SEQRES   1 A  149  PRO ILE VAL ASP THR GLY SER VAL ALA PRO LEU SER ALA          
SEQRES   2 A  149  ALA GLU LYS THR LYS ILE ARG SER ALA TRP ALA PRO VAL          
SEQRES   3 A  149  TYR SER THR TYR GLU THR SER GLY VAL ASP ILE LEU VAL          
SEQRES   4 A  149  LYS PHE PHE THR SER THR PRO ALA ALA GLN GLU PHE PHE          
SEQRES   5 A  149  PRO LYS PHE LYS GLY LEU THR THR ALA ASP GLU LEU LYS          
SEQRES   6 A  149  LYS SER ALA ASP VAL ARG TRP HIS ALA GLU ARG ILE ILE          
SEQRES   7 A  149  ASN ALA VAL ASP ASP ALA VAL ALA SER MET ASP ASP THR          
SEQRES   8 A  149  GLU LYS MET SER MET LYS LEU ARG ASN LEU SER GLY LYS          
SEQRES   9 A  149  HIS ALA LYS SER PHE GLN VAL ASP PRO GLU TYR PHE LYS          
SEQRES  10 A  149  VAL LEU ALA ALA VAL ILE ALA ASP THR VAL ALA ALA GLY          
SEQRES  11 A  149  ASP ALA GLY PHE GLU LYS LEU MET SER MET ILE CYS ILE          
SEQRES  12 A  149  LEU LEU ARG SER ALA TYR                                      
FTNOTE   1 SEE REMARK 5.                                                        
FTNOTE   2 SEE REMARK 7.                                                        
HET    CYN    150       2                                                       
HET    HEM    150      43                                                       
HETNAM     CYN CYANIDE ION                                                      
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETSYN     HEM HEME                                                             
FORMUL   2  CYN    C N 1-                                                       
FORMUL   3  HEM    C34 H32 FE N4 O4                                             
FORMUL   4  HOH   *215(H2 O)                                                    
HELIX    1   A ALA A   13  SER A   28  1                                  16    
HELIX    2   B TYR A   30  SER A   44  1                                  15    
HELIX    3   C PRO A   46  PHE A   51  5                                   6    
HELIX    4   D ALA A   61  LYS A   66  1                                   6    
HELIX    5   E ALA A   68  ALA A   86  1                                  19    
HELIX    6   F THR A   91  PHE A  109  1                                  19    
HELIX    7   G PRO A  113  VAL A  127  1                                  15    
HELIX    8   H ALA A  132  ALA A  148  1                                  17    
TURN     1  GH ALA A 128  GLY A 130     TYPE II                                 
SITE     1 HEM 16 PHE A  52  HIS A  73  ARG A  76  ILE A  77                    
SITE     2 HEM 16 LEU A 101  SER A 102  LYS A 104  HIS A 105                    
SITE     3 HEM 16 ALA A 106  PHE A 109  VAL A 111  TYR A 115                    
SITE     4 HEM 16 PHE A 116  LEU A 119  TYR A 149  HEM   150                    
CRYST1   44.570   96.620   31.340  90.00  90.00  90.00 P 21 21 21    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      0.022437  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010350  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.031908        0.00000