HEADER    ELECTRON TRANSPORT                      31-MAR-05   1Z8U              
TITLE     CRYSTAL STRUCTURE OF OXIDIZED ALPHA HEMOGLOBIN BOUND TO AHSP          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ALPHA-HEMOGLOBIN STABILIZING PROTEIN;                      
COMPND   3 CHAIN: A, C;                                                         
COMPND   4 SYNONYM: ERYTHROID ASSOCIATED FACTOR, ERYTHROID DIFFERENTIATION      
COMPND   5 RELATED FACTOR, AHSP;                                                
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES;                                                       
COMPND   8 MOL_ID: 2;                                                           
COMPND   9 MOLECULE: HEMOGLOBIN ALPHA CHAIN;                                    
COMPND  10 CHAIN: B, D;                                                         
COMPND  11 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: AHSP, EDRF, ERAF;                                              
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 MOL_ID: 2;                                                           
SOURCE   9 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  10 ORGANISM_COMMON: HUMAN;                                              
SOURCE  11 ORGANISM_TAXID: 9606;                                                
SOURCE  12 GENE: HBA1;                                                          
SOURCE  13 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  14 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    ALPHA HAEMOGLOBIN, AHSP, OXIDATION, INTERACTION, ELECTRON TRANSPORT   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    L.FENG,S.ZHOU,L.GU,D.A.GELL,J.P.MACKAY,M.J.WEISS,A.J.GOW,Y.SHI        
REVDAT   4   14-FEB-24 1Z8U    1       REMARK                                   
REVDAT   3   20-OCT-21 1Z8U    1       REMARK SEQADV LINK                       
REVDAT   2   24-FEB-09 1Z8U    1       VERSN                                    
REVDAT   1   14-JUN-05 1Z8U    0                                                
JRNL        AUTH   L.FENG,S.ZHOU,L.GU,D.A.GELL,J.P.MACKAY,M.J.WEISS,A.J.GOW,    
JRNL        AUTH 2 Y.SHI                                                        
JRNL        TITL   STRUCTURE OF OXIDIZED ALPHA-HAEMOGLOBIN BOUND TO AHSP        
JRNL        TITL 2 REVEALS A PROTECTIVE MECHANISM FOR HAEM.                     
JRNL        REF    NATURE                        V. 435   697 2005              
JRNL        REFN                   ISSN 0028-0836                               
JRNL        PMID   15931225                                                     
JRNL        DOI    10.1038/NATURE03609                                          
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.40 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
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 : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 96.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 22253                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.222                           
REMARK   3   FREE R VALUE                     : 0.252                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 1086                            
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            : 3520                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 86                                      
REMARK   3   SOLVENT ATOMS            : 388                                     
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) : 0.009                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.500                           
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  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : 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 1Z8U COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-APR-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000032443.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 20-AUG-04                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X25                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.7319, 1.7338, 1.7                
REMARK 200  MONOCHROMATOR                  : X25                                
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 22990                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.400                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 99.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.05800                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 20.9000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.49                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.27000                            
REMARK 200  R SYM FOR SHELL            (I) : 0.27000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.500                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: MAD                                            
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD                          
REMARK 200 SOFTWARE USED: SOLVE                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: MES, PEG-2000 MONOMETHYL ETHER, PH       
REMARK 280  6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y,-Z                                                 
REMARK 290       3555   X+1/2,Y+1/2,Z                                           
REMARK 290       4555   -X+1/2,Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       32.90400            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       56.87350            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       32.90400            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       56.87350            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2, 3                                                 
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2700 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 11960 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -29.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2750 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 12210 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -30.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 350                                                                      
REMARK 350 BIOMOLECULE: 3                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 7260 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 22350 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -78.0 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 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH D 333  LIES ON A SPECIAL POSITION.                          
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     MET A     1                                                      
REMARK 465     HIS A    92                                                      
REMARK 465     GLU A    93                                                      
REMARK 465     LEU A    94                                                      
REMARK 465     PRO A    95                                                      
REMARK 465     SER A    96                                                      
REMARK 465     HIS A    97                                                      
REMARK 465     PRO A    98                                                      
REMARK 465     PRO A    99                                                      
REMARK 465     PRO A   100                                                      
REMARK 465     SER A   101                                                      
REMARK 465     SER A   102                                                      
REMARK 465     MET B     0                                                      
REMARK 465     VAL B     1                                                      
REMARK 465     THR B   137                                                      
REMARK 465     SER B   138                                                      
REMARK 465     LYS B   139                                                      
REMARK 465     TYR B   140                                                      
REMARK 465     ARG B   141                                                      
REMARK 465     HIS C    92                                                      
REMARK 465     GLU C    93                                                      
REMARK 465     LEU C    94                                                      
REMARK 465     PRO C    95                                                      
REMARK 465     SER C    96                                                      
REMARK 465     HIS C    97                                                      
REMARK 465     PRO C    98                                                      
REMARK 465     PRO C    99                                                      
REMARK 465     PRO C   100                                                      
REMARK 465     SER C   101                                                      
REMARK 465     SER C   102                                                      
REMARK 465     MET D     0                                                      
REMARK 465     VAL D     1                                                      
REMARK 465     THR D   137                                                      
REMARK 465     SER D   138                                                      
REMARK 465     LYS D   139                                                      
REMARK 465     TYR D   140                                                      
REMARK 465     ARG D   141                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     MET C   1    SD   CE                                             
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    TYR B    42     O    HOH B   263              2.12            
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    LEU A   4      125.68    155.07                                   
REMARK 500    LEU A  31       11.23     40.98                                   
REMARK 500    ASP A  87       33.98    -87.16                                   
REMARK 500    VAL B  17      -16.17   -141.10                                   
REMARK 500    PHE B  43       76.20     22.81                                   
REMARK 500    PRO B  44       44.09    -93.10                                   
REMARK 500    PHE B  46       -0.38     64.75                                   
REMARK 500    SER B 133     -167.35    -69.71                                   
REMARK 500    ALA C   2       49.23    177.46                                   
REMARK 500    LEU C   3      -64.73   -175.58                                   
REMARK 500    LEU C   4      107.71     67.06                                   
REMARK 500    LEU C  31      -29.69     67.35                                   
REMARK 500    PRO C  60      -10.19    -47.92                                   
REMARK 500    PHE D  46       16.78     56.52                                   
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 B 201  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS B  58   NE2                                                    
REMARK 620 2 HEM B 201   NA   93.2                                              
REMARK 620 3 HEM B 201   NB  102.2  89.2                                        
REMARK 620 4 HEM B 201   NC   87.3 177.1  87.9                                  
REMARK 620 5 HEM B 201   ND   78.8  93.0 177.5  89.9                            
REMARK 620 6 HIS B  87   NE2 166.5  79.7  89.3 100.4  90.0                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM D 201  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS D  58   NE2                                                    
REMARK 620 2 HEM D 201   NA   94.6                                              
REMARK 620 3 HEM D 201   NB   92.2  89.2                                        
REMARK 620 4 HEM D 201   NC   85.2 177.1  88.0                                  
REMARK 620 5 HEM D 201   ND   89.1  91.5 178.5  91.4                            
REMARK 620 6 HIS D  87   NE2 173.9  91.1  85.5  89.1  93.1                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 201                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM D 201                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1Y01   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF REDUCED ALPHA HEMOGLOBIN BOUND TO AHSP          
DBREF  1Z8U A    1   102  UNP    Q9NZD4   AHSP_HUMAN       1    102             
DBREF  1Z8U C    1   102  UNP    Q9NZD4   AHSP_HUMAN       1    102             
DBREF  1Z8U B    1   141  UNP    P69905   HBA_HUMAN        1    141             
DBREF  1Z8U D    1   141  UNP    P69905   HBA_HUMAN        1    141             
SEQADV 1Z8U ALA A   30  UNP  Q9NZD4    PRO    30 ENGINEERED MUTATION            
SEQADV 1Z8U ALA C   30  UNP  Q9NZD4    PRO    30 ENGINEERED MUTATION            
SEQADV 1Z8U MET B    0  UNP  P69905              INITIATING METHIONINE          
SEQADV 1Z8U MET D    0  UNP  P69905              INITIATING METHIONINE          
SEQRES   1 A  102  MET ALA LEU LEU LYS ALA ASN LYS ASP LEU ILE SER ALA          
SEQRES   2 A  102  GLY LEU LYS GLU PHE SER VAL LEU LEU ASN GLN GLN VAL          
SEQRES   3 A  102  PHE ASN ASP ALA LEU VAL SER GLU GLU ASP MET VAL THR          
SEQRES   4 A  102  VAL VAL GLU ASP TRP MET ASN PHE TYR ILE ASN TYR TYR          
SEQRES   5 A  102  ARG GLN GLN VAL THR GLY GLU PRO GLN GLU ARG ASP LYS          
SEQRES   6 A  102  ALA LEU GLN GLU LEU ARG GLN GLU LEU ASN THR LEU ALA          
SEQRES   7 A  102  ASN PRO PHE LEU ALA LYS TYR ARG ASP PHE LEU LYS SER          
SEQRES   8 A  102  HIS GLU LEU PRO SER HIS PRO PRO PRO SER SER                  
SEQRES   1 B  142  MET VAL LEU SER PRO ALA ASP LYS THR ASN VAL LYS ALA          
SEQRES   2 B  142  ALA TRP GLY LYS VAL GLY ALA HIS ALA GLY GLU TYR GLY          
SEQRES   3 B  142  ALA GLU ALA LEU GLU ARG MET PHE LEU SER PHE PRO THR          
SEQRES   4 B  142  THR LYS THR TYR PHE PRO HIS PHE ASP LEU SER HIS GLY          
SEQRES   5 B  142  SER ALA GLN VAL LYS GLY HIS GLY LYS LYS VAL ALA ASP          
SEQRES   6 B  142  ALA LEU THR ASN ALA VAL ALA HIS VAL ASP ASP MET PRO          
SEQRES   7 B  142  ASN ALA LEU SER ALA LEU SER ASP LEU HIS ALA HIS LYS          
SEQRES   8 B  142  LEU ARG VAL ASP PRO VAL ASN PHE LYS LEU LEU SER HIS          
SEQRES   9 B  142  CYS LEU LEU VAL THR LEU ALA ALA HIS LEU PRO ALA GLU          
SEQRES  10 B  142  PHE THR PRO ALA VAL HIS ALA SER LEU ASP LYS PHE LEU          
SEQRES  11 B  142  ALA SER VAL SER THR VAL LEU THR SER LYS TYR ARG              
SEQRES   1 C  102  MET ALA LEU LEU LYS ALA ASN LYS ASP LEU ILE SER ALA          
SEQRES   2 C  102  GLY LEU LYS GLU PHE SER VAL LEU LEU ASN GLN GLN VAL          
SEQRES   3 C  102  PHE ASN ASP ALA LEU VAL SER GLU GLU ASP MET VAL THR          
SEQRES   4 C  102  VAL VAL GLU ASP TRP MET ASN PHE TYR ILE ASN TYR TYR          
SEQRES   5 C  102  ARG GLN GLN VAL THR GLY GLU PRO GLN GLU ARG ASP LYS          
SEQRES   6 C  102  ALA LEU GLN GLU LEU ARG GLN GLU LEU ASN THR LEU ALA          
SEQRES   7 C  102  ASN PRO PHE LEU ALA LYS TYR ARG ASP PHE LEU LYS SER          
SEQRES   8 C  102  HIS GLU LEU PRO SER HIS PRO PRO PRO SER SER                  
SEQRES   1 D  142  MET VAL LEU SER PRO ALA ASP LYS THR ASN VAL LYS ALA          
SEQRES   2 D  142  ALA TRP GLY LYS VAL GLY ALA HIS ALA GLY GLU TYR GLY          
SEQRES   3 D  142  ALA GLU ALA LEU GLU ARG MET PHE LEU SER PHE PRO THR          
SEQRES   4 D  142  THR LYS THR TYR PHE PRO HIS PHE ASP LEU SER HIS GLY          
SEQRES   5 D  142  SER ALA GLN VAL LYS GLY HIS GLY LYS LYS VAL ALA ASP          
SEQRES   6 D  142  ALA LEU THR ASN ALA VAL ALA HIS VAL ASP ASP MET PRO          
SEQRES   7 D  142  ASN ALA LEU SER ALA LEU SER ASP LEU HIS ALA HIS LYS          
SEQRES   8 D  142  LEU ARG VAL ASP PRO VAL ASN PHE LYS LEU LEU SER HIS          
SEQRES   9 D  142  CYS LEU LEU VAL THR LEU ALA ALA HIS LEU PRO ALA GLU          
SEQRES  10 D  142  PHE THR PRO ALA VAL HIS ALA SER LEU ASP LYS PHE LEU          
SEQRES  11 D  142  ALA SER VAL SER THR VAL LEU THR SER LYS TYR ARG              
HET    HEM  B 201      43                                                       
HET    HEM  D 201      43                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETSYN     HEM HEME                                                             
FORMUL   5  HEM    2(C34 H32 FE N4 O4)                                          
FORMUL   7  HOH   *388(H2 O)                                                    
HELIX    1   1 LEU A    4  GLN A   24  1                                  21    
HELIX    2   2 VAL A   26  ALA A   30  5                                   5    
HELIX    3   3 SER A   33  ARG A   53  1                                  21    
HELIX    4   4 GLU A   59  ASP A   87  1                                  29    
HELIX    5   5 SER B    3  GLY B   18  1                                  16    
HELIX    6   6 HIS B   20  GLU B   23  5                                   4    
HELIX    7   7 TYR B   24  PHE B   36  1                                  13    
HELIX    8   8 PRO B   37  THR B   41  5                                   5    
HELIX    9   9 ASP B   47  GLY B   51  5                                   5    
HELIX   10  10 SER B   52  HIS B   72  1                                  21    
HELIX   11  11 ASN B   78  LYS B   90  1                                  13    
HELIX   12  12 ASP B   94  LEU B  113  1                                  20    
HELIX   13  13 THR B  118  ALA B  130  1                                  13    
HELIX   14  14 LEU C    4  GLN C   24  1                                  21    
HELIX   15  15 VAL C   26  ALA C   30  5                                   5    
HELIX   16  16 SER C   33  ARG C   53  1                                  21    
HELIX   17  17 GLU C   59  SER C   91  1                                  33    
HELIX   18  18 SER D    3  GLY D   18  1                                  16    
HELIX   19  19 ALA D   19  GLU D   23  5                                   5    
HELIX   20  20 TYR D   24  PHE D   36  1                                  13    
HELIX   21  21 PRO D   37  LYS D   40  5                                   4    
HELIX   22  22 ASP D   47  GLY D   51  5                                   5    
HELIX   23  23 SER D   52  HIS D   72  1                                  21    
HELIX   24  24 ASN D   78  LYS D   90  1                                  13    
HELIX   25  25 ASP D   94  LEU D  113  1                                  20    
HELIX   26  26 THR D  118  ALA D  130  1                                  13    
LINK         NE2 HIS B  58                FE   HEM B 201     1555   1555  2.21  
LINK         NE2 HIS B  87                FE   HEM B 201     1555   1555  2.20  
LINK         NE2 HIS D  58                FE   HEM D 201     1555   1555  2.10  
LINK         NE2 HIS D  87                FE   HEM D 201     1555   1555  2.13  
SITE     1 AC1 21 PHE B  43  HIS B  45  PHE B  46  HIS B  58                    
SITE     2 AC1 21 LYS B  61  VAL B  62  ALA B  65  LEU B  83                    
SITE     3 AC1 21 HIS B  87  VAL B  93  ASN B  97  PHE B  98                    
SITE     4 AC1 21 LEU B 101  SER B 102  HOH B 203  HOH B 236                    
SITE     5 AC1 21 HOH B 243  MET D  76  PRO D  77  ASN D  78                    
SITE     6 AC1 21 ALA D  79                                                     
SITE     1 AC2 22 MET B  76  PRO B  77  ASN B  78  ALA B  79                    
SITE     2 AC2 22 PHE D  43  HIS D  45  PHE D  46  HIS D  58                    
SITE     3 AC2 22 LYS D  61  VAL D  62  ALA D  65  LEU D  83                    
SITE     4 AC2 22 HIS D  87  LEU D  91  VAL D  93  ASN D  97                    
SITE     5 AC2 22 PHE D  98  LEU D 101  SER D 102  HOH D 204                    
SITE     6 AC2 22 HOH D 208  HOH D 227                                          
CRYST1   65.808  113.747   80.098  90.00  94.66  90.00 C 1 2 1       8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.015196  0.000000  0.001239        0.00000                         
SCALE2      0.000000  0.008791  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012526        0.00000