PDB Short entry for 1SHR
HEADER    OXYGEN STORAGE/TRANSPORT                26-FEB-04   1SHR              
TITLE     CRYSTAL STRUCTURE OF FERROCYANIDE BOUND HUMAN HEMOGLOBIN A2           
TITLE    2 AT 1.88A RESOLUTION                                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HEMOGLOBIN ALPHA CHAIN;                                    
COMPND   3 CHAIN: A, C;                                                         
COMPND   4 MOL_ID: 2;                                                           
COMPND   5 MOLECULE: HEMOGLOBIN DELTA CHAIN;                                    
COMPND   6 CHAIN: B, D                                                          
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 TISSUE: BETA-THALASSEMIC MINOR BLOOD;                                
SOURCE   6 MOL_ID: 2;                                                           
SOURCE   7 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   8 ORGANISM_COMMON: HUMAN;                                              
SOURCE   9 ORGANISM_TAXID: 9606;                                                
SOURCE  10 TISSUE: BETA-THALASSEMIC MINOR BLOOD                                 
KEYWDS    HEMOGLOBIN A2, FERROCYANIDE BINDING, OXYGEN TRANSPORT, BETA-          
KEYWDS   2 THALASSEMIA, OXYGEN STORAGE/TRANSPORT COMPLEX                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    U.SEN,J.DASGUPTA,D.CHOUDHURY,P.DATTA,A.CHAKRABARTI,                   
AUTHOR   2 S.B.CHAKRABARTY,A.CHAKRABARTY,J.K.DATTAGUPTA                         
REVDAT   2   24-FEB-09 1SHR    1       VERSN                                    
REVDAT   1   26-OCT-04 1SHR    0                                                
JRNL        AUTH   U.SEN,J.DASGUPTA,D.CHOUDHURY,P.DATTA,A.CHAKRABARTI,          
JRNL        AUTH 2 S.B.CHAKRABARTY,A.CHAKRABARTY,J.K.DATTAGUPTA                 
JRNL        TITL   CRYSTAL STRUCTURES OF HBA2 AND HBE AND MODELING OF           
JRNL        TITL 2 HEMOGLOBIN DELTA4: INTERPRETATION OF THE THERMAL             
JRNL        TITL 3 STABILITY AND THE ANTISICKLING EFFECT OF HBA2 AND            
JRNL        TITL 4 IDENTIFICATION OF THE FERROCYANIDE BINDING SITE IN           
JRNL        TITL 5 HB                                                           
JRNL        REF    BIOCHEMISTRY                  V.  43 12477 2004              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   15449937                                                     
JRNL        DOI    10.1021/BI048903I                                            
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   J.DASGUPTA,U.SEN,D.CHOUDHURY,P.DATTA,A.CHAKRABARTI,          
REMARK   1  AUTH 2 S.B.CHAKRABARTY,A.CHAKRABARTY,J.K.DATTAGUPTA                 
REMARK   1  TITL   CRYSTALLIZATION AND PRELIMINARY X-RAY STRUCTURAL             
REMARK   1  TITL 2 STUDIES OF HEMOGLOBIN A2 AND HEMOGLOBIN E,                   
REMARK   1  TITL 3 ISOLATED FROM THE BLOOD SAMPLES OF                           
REMARK   1  TITL 4 BETA-THALASSEMIC PATIENTS                                    
REMARK   1  REF    BIOCHEM.BIOPHYS.RES.COMMUN.   V. 303   619 2003              
REMARK   1  REFN                   ISSN 0006-291X                               
REMARK   1  PMID   12659864                                                     
REMARK   1  DOI    10.1016/S0006-291X(03)00379-6                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.88 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 : NULL                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.88                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 14.89                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 1426086.110                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 98.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 44538                          
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) : 0.167                           
REMARK   3   FREE R VALUE                     : 0.195                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2193                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.005                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.88                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.00                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 99.40                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 7081                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3170                       
REMARK   3   BIN FREE R VALUE                    : 0.3560                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 4.90                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 363                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.019                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4388                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 195                                     
REMARK   3   SOLVENT ATOMS            : 752                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 18.30                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 21.40                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -1.33000                                             
REMARK   3    B22 (A**2) : -0.12000                                             
REMARK   3    B33 (A**2) : 1.45000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 1.09000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.20                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.21                            
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) : 0.24                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.24                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.006                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.10                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 17.60                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.78                            
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) : 1.210 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 1.670 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.310 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 3.500 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.39                                                 
REMARK   3   BSOL        : 70.20                                                
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_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : HEM.PARAM                                      
REMARK   3  PARAMETER FILE  3  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  4  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  5  : CN.PARAM                                       
REMARK   3  PARAMETER FILE  6  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : HEM.TOP                                        
REMARK   3  TOPOLOGY FILE  3   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  4   : WATER_REP.TOP                                  
REMARK   3  TOPOLOGY FILE  5   : CN.TOP                                         
REMARK   3  TOPOLOGY FILE  6   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1SHR COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 01-MAR-04.                  
REMARK 100 THE RCSB ID CODE IS RCSB021716.                                      
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 26-MAR-03                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.5                                
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                         : OSMIC                              
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 44538                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.880                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 15.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.6                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.05400                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1BBB                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 45.83                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.27                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG, GLYCEROL, PH 8.5, VAPOR             
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 277K                           
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       41.99500            
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 300 REMARK: BIOLOGICAL ASSEMBLY IS A TETRAMER CONTAINING ALL FOUR        
REMARK 300 CHAINS                                                               
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: 13790 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 23210 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -160.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D                            
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           DISTANCE          
REMARK 500   O    HOH A  1437     O    HOH C  1006              2.12            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH C  1150     O    HOH D  1725     2656     1.64            
REMARK 500   OD2  ASP C    47    FE    FE  D   802     2656     1.93            
REMARK 500   NE2  HIS C    50    FE    FE  D   802     2656     2.11            
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  75       50.64   -151.50                                   
REMARK 500    LEU B  48       23.24   -143.38                                   
REMARK 500    ASN B  80       56.95   -140.23                                   
REMARK 500    ASP C  75       39.68   -143.87                                   
REMARK 500    HIS D  77       51.84   -140.51                                   
REMARK 500    ASN D  80       45.20   -145.81                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH B1380        DISTANCE =  5.08 ANGSTROMS                       
REMARK 525    HOH B1686        DISTANCE =  5.04 ANGSTROMS                       
REMARK 525    HOH A1658        DISTANCE =  6.97 ANGSTROMS                       
REMARK 525    HOH C1675        DISTANCE =  5.67 ANGSTROMS                       
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 142  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  87   NE2                                                    
REMARK 620 2 CYN A 143   C   175.5                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM B 347  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS B  92   NE2                                                    
REMARK 620 2 CYN B 348   C   176.0                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM C 542  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS C  87   NE2                                                    
REMARK 620 2 CYN C 543   C   175.0                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM D 747  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS D  92   NE2                                                    
REMARK 620 2 CYN D 748   C   177.0                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              FE A 803  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 MET A  76   N                                                      
REMARK 620 2 HOH A1143   O    91.2                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              FE B 801  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYN B 809   N                                                      
REMARK 620 2 HIS B 143   ND1 101.5                                              
REMARK 620 3 HIS B 146   ND1 108.5 114.8                                        
REMARK 620 4 HIS D 146   NE2 115.5 101.6 114.4                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              FE D 802  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYN D 808   N                                                      
REMARK 620 2 HIS D 143   NE2 103.8                                              
REMARK 620 N                    1                                               
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYN A 143                 
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYN B 348                 
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYN C 543                 
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYN D 748                 
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE B 801                  
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE D 802                  
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE A 803                  
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYN B 804                 
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYN D 805                 
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYN D 806                 
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYN D 807                 
REMARK 800 SITE_IDENTIFIER: BC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYN D 808                 
REMARK 800 SITE_IDENTIFIER: BC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYN B 809                 
REMARK 800 SITE_IDENTIFIER: BC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 142                 
REMARK 800 SITE_IDENTIFIER: BC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 347                 
REMARK 800 SITE_IDENTIFIER: BC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM C 542                 
REMARK 800 SITE_IDENTIFIER: BC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM D 747                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1SI4   RELATED DB: PDB                                   
REMARK 900 HEMOGLOBIN A2 (IN R2 STATE) AT 2.2 A RESOLUTION                      
DBREF  1SHR A    1   141  UNP    P69905   HBA_HUMAN        1    141             
DBREF  1SHR B    1   146  UNP    P02042   HBD_HUMAN        1    146             
DBREF  1SHR C    1   141  UNP    P69905   HBA_HUMAN        1    141             
DBREF  1SHR D    1   146  UNP    P02042   HBD_HUMAN        1    146             
SEQRES   1 A  141  VAL LEU SER PRO ALA ASP LYS THR ASN VAL LYS ALA ALA          
SEQRES   2 A  141  TRP GLY LYS VAL GLY ALA HIS ALA GLY GLU TYR GLY ALA          
SEQRES   3 A  141  GLU ALA LEU GLU ARG MET PHE LEU SER PHE PRO THR THR          
SEQRES   4 A  141  LYS THR TYR PHE PRO HIS PHE ASP LEU SER HIS GLY SER          
SEQRES   5 A  141  ALA GLN VAL LYS GLY HIS GLY LYS LYS VAL ALA ASP ALA          
SEQRES   6 A  141  LEU THR ASN ALA VAL ALA HIS VAL ASP ASP MET PRO ASN          
SEQRES   7 A  141  ALA LEU SER ALA LEU SER ASP LEU HIS ALA HIS LYS LEU          
SEQRES   8 A  141  ARG VAL ASP PRO VAL ASN PHE LYS LEU LEU SER HIS CYS          
SEQRES   9 A  141  LEU LEU VAL THR LEU ALA ALA HIS LEU PRO ALA GLU PHE          
SEQRES  10 A  141  THR PRO ALA VAL HIS ALA SER LEU ASP LYS PHE LEU ALA          
SEQRES  11 A  141  SER VAL SER THR VAL LEU THR SER LYS TYR ARG                  
SEQRES   1 B  146  VAL HIS LEU THR PRO GLU GLU LYS THR ALA VAL ASN ALA          
SEQRES   2 B  146  LEU TRP GLY LYS VAL ASN VAL ASP ALA VAL GLY GLY GLU          
SEQRES   3 B  146  ALA LEU GLY ARG LEU LEU VAL VAL TYR PRO TRP THR GLN          
SEQRES   4 B  146  ARG PHE PHE GLU SER PHE GLY ASP LEU SER SER PRO ASP          
SEQRES   5 B  146  ALA VAL MET GLY ASN PRO LYS VAL LYS ALA HIS GLY LYS          
SEQRES   6 B  146  LYS VAL LEU GLY ALA PHE SER ASP GLY LEU ALA HIS LEU          
SEQRES   7 B  146  ASP ASN LEU LYS GLY THR PHE SER GLN LEU SER GLU LEU          
SEQRES   8 B  146  HIS CYS ASP LYS LEU HIS VAL ASP PRO GLU ASN PHE ARG          
SEQRES   9 B  146  LEU LEU GLY ASN VAL LEU VAL CYS VAL LEU ALA ARG ASN          
SEQRES  10 B  146  PHE GLY LYS GLU PHE THR PRO GLN MET GLN ALA ALA TYR          
SEQRES  11 B  146  GLN LYS VAL VAL ALA GLY VAL ALA ASN ALA LEU ALA HIS          
SEQRES  12 B  146  LYS TYR HIS                                                  
SEQRES   1 C  141  VAL LEU SER PRO ALA ASP LYS THR ASN VAL LYS ALA ALA          
SEQRES   2 C  141  TRP GLY LYS VAL GLY ALA HIS ALA GLY GLU TYR GLY ALA          
SEQRES   3 C  141  GLU ALA LEU GLU ARG MET PHE LEU SER PHE PRO THR THR          
SEQRES   4 C  141  LYS THR TYR PHE PRO HIS PHE ASP LEU SER HIS GLY SER          
SEQRES   5 C  141  ALA GLN VAL LYS GLY HIS GLY LYS LYS VAL ALA ASP ALA          
SEQRES   6 C  141  LEU THR ASN ALA VAL ALA HIS VAL ASP ASP MET PRO ASN          
SEQRES   7 C  141  ALA LEU SER ALA LEU SER ASP LEU HIS ALA HIS LYS LEU          
SEQRES   8 C  141  ARG VAL ASP PRO VAL ASN PHE LYS LEU LEU SER HIS CYS          
SEQRES   9 C  141  LEU LEU VAL THR LEU ALA ALA HIS LEU PRO ALA GLU PHE          
SEQRES  10 C  141  THR PRO ALA VAL HIS ALA SER LEU ASP LYS PHE LEU ALA          
SEQRES  11 C  141  SER VAL SER THR VAL LEU THR SER LYS TYR ARG                  
SEQRES   1 D  146  VAL HIS LEU THR PRO GLU GLU LYS THR ALA VAL ASN ALA          
SEQRES   2 D  146  LEU TRP GLY LYS VAL ASN VAL ASP ALA VAL GLY GLY GLU          
SEQRES   3 D  146  ALA LEU GLY ARG LEU LEU VAL VAL TYR PRO TRP THR GLN          
SEQRES   4 D  146  ARG PHE PHE GLU SER PHE GLY ASP LEU SER SER PRO ASP          
SEQRES   5 D  146  ALA VAL MET GLY ASN PRO LYS VAL LYS ALA HIS GLY LYS          
SEQRES   6 D  146  LYS VAL LEU GLY ALA PHE SER ASP GLY LEU ALA HIS LEU          
SEQRES   7 D  146  ASP ASN LEU LYS GLY THR PHE SER GLN LEU SER GLU LEU          
SEQRES   8 D  146  HIS CYS ASP LYS LEU HIS VAL ASP PRO GLU ASN PHE ARG          
SEQRES   9 D  146  LEU LEU GLY ASN VAL LEU VAL CYS VAL LEU ALA ARG ASN          
SEQRES  10 D  146  PHE GLY LYS GLU PHE THR PRO GLN MET GLN ALA ALA TYR          
SEQRES  11 D  146  GLN LYS VAL VAL ALA GLY VAL ALA ASN ALA LEU ALA HIS          
SEQRES  12 D  146  LYS TYR HIS                                                  
HET    CYN  A 143       2                                                       
HET    CYN  B 348       2                                                       
HET    CYN  C 543       2                                                       
HET    CYN  D 748       2                                                       
HET     FE  B 801       1                                                       
HET     FE  D 802       1                                                       
HET     FE  A 803       1                                                       
HET    CYN  B 804       2                                                       
HET    CYN  D 805       2                                                       
HET    CYN  D 806       2                                                       
HET    CYN  D 807       2                                                       
HET    CYN  D 808       2                                                       
HET    CYN  B 809       2                                                       
HET    HEM  A 142      43                                                       
HET    HEM  B 347      43                                                       
HET    HEM  C 542      43                                                       
HET    HEM  D 747      43                                                       
HETNAM     CYN CYANIDE ION                                                      
HETNAM      FE FE (III) ION                                                     
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETSYN     HEM HEME                                                             
FORMUL   5  CYN    10(C N 1-)                                                   
FORMUL   9   FE    3(FE 3+)                                                     
FORMUL  18  HEM    4(C34 H32 FE N4 O4)                                          
FORMUL  22  HOH   *752(H2 O)                                                    
HELIX    1   1 SER A    3  GLY A   18  1                                  16    
HELIX    2   2 HIS A   20  PHE A   36  1                                  17    
HELIX    3   3 PRO A   37  PHE A   43  5                                   7    
HELIX    4   4 SER A   52  HIS A   72  1                                  21    
HELIX    5   5 ASP A   75  LEU A   80  1                                   6    
HELIX    6   6 LEU A   80  ALA A   88  1                                   9    
HELIX    7   7 ASP A   94  LEU A  113  1                                  20    
HELIX    8   8 THR A  118  THR A  137  1                                  20    
HELIX    9   9 THR B    4  GLY B   16  1                                  13    
HELIX   10  10 ALA B   22  TYR B   35  1                                  14    
HELIX   11  11 PRO B   36  GLY B   46  5                                  11    
HELIX   12  12 SER B   50  GLY B   56  1                                   7    
HELIX   13  13 ASN B   57  HIS B   77  1                                  21    
HELIX   14  14 ASN B   80  PHE B   85  1                                   6    
HELIX   15  15 PHE B   85  ASP B   94  1                                  10    
HELIX   16  16 PRO B  100  GLY B  119  1                                  20    
HELIX   17  17 LYS B  120  PHE B  122  5                                   3    
HELIX   18  18 THR B  123  ALA B  142  1                                  20    
HELIX   19  19 HIS B  143  HIS B  146  5                                   4    
HELIX   20  20 SER C    3  GLY C   18  1                                  16    
HELIX   21  21 HIS C   20  PHE C   36  1                                  17    
HELIX   22  22 PRO C   37  PHE C   43  5                                   7    
HELIX   23  23 SER C   52  HIS C   72  1                                  21    
HELIX   24  24 ASP C   75  LEU C   80  1                                   6    
HELIX   25  25 LEU C   80  ALA C   88  1                                   9    
HELIX   26  26 ASP C   94  LEU C  113  1                                  20    
HELIX   27  27 THR C  118  SER C  138  1                                  21    
HELIX   28  28 THR D    4  GLY D   16  1                                  13    
HELIX   29  29 ASN D   19  TYR D   35  1                                  17    
HELIX   30  30 PRO D   36  GLY D   46  5                                  11    
HELIX   31  31 SER D   50  ASN D   57  1                                   8    
HELIX   32  32 ASN D   57  ALA D   76  1                                  20    
HELIX   33  33 ASN D   80  LYS D   95  1                                  16    
HELIX   34  34 PRO D  100  GLY D  119  1                                  20    
HELIX   35  35 LYS D  120  PHE D  122  5                                   3    
HELIX   36  36 THR D  123  HIS D  143  1                                  21    
LINK        FE   HEM A 142                 NE2 HIS A  87     1555   1555  2.20  
LINK        FE   HEM B 347                 NE2 HIS B  92     1555   1555  2.20  
LINK        FE   HEM C 542                 NE2 HIS C  87     1555   1555  2.21  
LINK        FE   HEM D 747                 NE2 HIS D  92     1555   1555  2.16  
LINK        FE   HEM A 142                 C   CYN A 143     1555   1555  2.38  
LINK        FE   HEM B 347                 C   CYN B 348     1555   1555  2.36  
LINK        FE   HEM C 542                 C   CYN C 543     1555   1555  2.41  
LINK        FE   HEM D 747                 C   CYN D 748     1555   1555  2.38  
LINK        FE    FE A 803                 N   MET A  76     1555   1555  2.24  
LINK        FE    FE A 803                 O   HOH A1143     1555   1555  1.90  
LINK        FE    FE B 801                 N   CYN B 809     1555   1555  1.85  
LINK        FE    FE B 801                 ND1 HIS B 143     1555   1555  2.14  
LINK        FE    FE B 801                 ND1 HIS B 146     1555   1555  2.06  
LINK        FE    FE B 801                 NE2 HIS D 146     1555   1555  2.11  
LINK        FE    FE D 802                 N   CYN D 808     1555   1555  2.01  
LINK        FE    FE D 802                 NE2 HIS D 143     1555   1555  1.92  
SITE     1 AC1  4 LEU A  29  HIS A  58  VAL A  62  HEM A 142                    
SITE     1 AC2  4 LEU B  28  HIS B  63  VAL B  67  HEM B 347                    
SITE     1 AC3  4 LEU C  29  HIS C  58  VAL C  62  HEM C 542                    
SITE     1 AC4  5 LEU D  28  PHE D  42  HIS D  63  VAL D  67                    
SITE     2 AC4  5 HEM D 747                                                     
SITE     1 AC5  4 HIS B 143  HIS B 146  CYN B 809  HIS D 146                    
SITE     1 AC6  2 HIS D 143  CYN D 808                                          
SITE     1 AC7  5 ASP A  75  MET A  76  PRO A  77  HOH A1143                    
SITE     2 AC7  5 HOH A1248                                                     
SITE     1 AC8  6 LYS B  82  HIS B 143  CYN B 809  CYN D 805                    
SITE     2 AC8  6 CYN D 806  CYN D 807                                          
SITE     1 AC9  7 CYN B 804  CYN B 809  LYS D  82  CYN D 806                    
SITE     2 AC9  7 CYN D 808  HOH D1430  HOH D1736                               
SITE     1 BC1  4 CYN B 804  CYN D 805  CYN D 807  CYN D 808                    
SITE     1 BC2  6 CYN B 804  CYN B 809  TYR D 145  HIS D 146                    
SITE     2 BC2  6 CYN D 806  CYN D 808                                          
SITE     1 BC3  7 CYN B 809  LYS D  82  HIS D 143   FE D 802                    
SITE     2 BC3  7 CYN D 805  CYN D 806  CYN D 807                               
SITE     1 BC4  9 HIS B 143  HIS B 146   FE B 801  CYN B 804                    
SITE     2 BC4  9 LYS D  82  HIS D 146  CYN D 805  CYN D 807                    
SITE     3 BC4  9 CYN D 808                                                     
SITE     1 BC5 22 TYR A  42  PHE A  43  PHE A  46  HIS A  58                    
SITE     2 BC5 22 LYS A  61  LEU A  83  LEU A  86  HIS A  87                    
SITE     3 BC5 22 LEU A  91  VAL A  93  ASN A  97  PHE A  98                    
SITE     4 BC5 22 LEU A 101  LEU A 136  CYN A 143  HOH A1259                    
SITE     5 BC5 22 HOH A1341  HOH A1444  HOH A1464  HOH A1485                    
SITE     6 BC5 22 HOH A1617  HOH A1692                                          
SITE     1 BC6 21 THR B  38  PHE B  41  PHE B  42  HIS B  63                    
SITE     2 BC6 21 LYS B  66  PHE B  71  LEU B  88  HIS B  92                    
SITE     3 BC6 21 LEU B  96  VAL B  98  ASN B 102  LEU B 106                    
SITE     4 BC6 21 LEU B 141  CYN B 348  HOH B1157  HOH B1175                    
SITE     5 BC6 21 HOH B1255  HOH B1302  PRO C   4  ALA C   5                    
SITE     6 BC6 21 THR C   8                                                     
SITE     1 BC7 19 TYR C  42  PHE C  43  HIS C  45  PHE C  46                    
SITE     2 BC7 19 HIS C  58  LYS C  61  LEU C  83  LEU C  86                    
SITE     3 BC7 19 HIS C  87  LEU C  91  VAL C  93  ASN C  97                    
SITE     4 BC7 19 PHE C  98  LEU C 101  LEU C 136  CYN C 543                    
SITE     5 BC7 19 HOH C1284  HOH C1633  HOH C1698                               
SITE     1 BC8 18 THR D  38  PHE D  41  PHE D  42  HIS D  63                    
SITE     2 BC8 18 ALA D  70  HIS D  92  LEU D  96  VAL D  98                    
SITE     3 BC8 18 ASN D 102  PHE D 103  LEU D 106  LEU D 141                    
SITE     4 BC8 18 CYN D 748  HOH D1107  HOH D1131  HOH D1587                    
SITE     5 BC8 18 HOH D1609  HOH D1695                                          
CRYST1   54.449   83.990   62.688  90.00  99.86  90.00 P 1 21 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      0.018366  0.000000  0.003191        0.00000                         
SCALE2      0.000000  0.011906  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.016191        0.00000