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Database: PDB
Entry: 1Y0C
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Original site: 1Y0C 
HEADER    TRANSPORT PROTEIN                       15-NOV-04   1Y0C              
TITLE     T-TO-THIGH QUATERNARY TRANSITIONS IN HUMAN HEMOGLOBIN: ALPHAY140F     
TITLE    2 DEOXY LOW-SALT                                                       
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HEMOGLOBIN ALPHA CHAIN;                                    
COMPND   3 CHAIN: A, C;                                                         
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MUTATION: YES;                                                       
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: HEMOGLOBIN BETA CHAIN;                                     
COMPND   8 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 GENE: HBA1;                                                          
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 TISSUE: BLOOD                                                        
KEYWDS    HEMOGLOBIN MUTANT, GLOBIN, TRANSPORT PROTEIN                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.S.KAVANAUGH,P.H.ROGERS,A.ARNONE                                     
REVDAT   5   23-AUG-23 1Y0C    1       REMARK                                   
REVDAT   4   20-OCT-21 1Y0C    1       REMARK SEQADV                            
REVDAT   3   24-FEB-09 1Y0C    1       VERSN                                    
REVDAT   2   17-MAY-05 1Y0C    1       JRNL                                     
REVDAT   1   07-DEC-04 1Y0C    0                                                
JRNL        AUTH   J.S.KAVANAUGH,P.H.ROGERS,A.ARNONE                            
JRNL        TITL   CRYSTALLOGRAPHIC EVIDENCE FOR A NEW ENSEMBLE OF              
JRNL        TITL 2 LIGAND-INDUCED ALLOSTERIC TRANSITIONS IN HEMOGLOBIN: THE     
JRNL        TITL 3 T-TO-T(HIGH) QUATERNARY TRANSITIONS.                         
JRNL        REF    BIOCHEMISTRY                  V.  44  6101 2005              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   15835899                                                     
JRNL        DOI    10.1021/BI047813A                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.30 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PROLSQ                                               
REMARK   3   AUTHORS     : KONNERT,HENDRICKSON                                  
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 24004                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : MATCHED TO PDB ENTRY 1XXT       
REMARK   3   R VALUE     (WORKING + TEST SET) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.169                           
REMARK   3   FREE R VALUE                     : 0.256                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 2179                            
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL WITH ALL DATA.                               
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                   
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : 0.1700                 
REMARK   3   FREE R VALUE                  (NO CUTOFF) : 0.257                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 10.000                 
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : 2187                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 24070                  
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4378                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 172                                     
REMARK   3   SOLVENT ATOMS            : 194                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : 0.011 ; 0.010               
REMARK   3    ANGLE DISTANCE                  (A) : 0.026 ; 0.015               
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : 0.041 ; 0.030               
REMARK   3    H-BOND OR METAL COORDINATION    (A) : 0.139 ; 0.100               
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : 0.011 ; 0.010               
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : 0.139 ; 0.080               
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : 0.165 ; 0.200               
REMARK   3    MULTIPLE TORSION                (A) : 0.179 ; 0.200               
REMARK   3    H-BOND (X...Y)                  (A) : 0.192 ; 0.200               
REMARK   3    H-BOND (X-H...Y)                (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : 2.600 ; 5.000               
REMARK   3    STAGGERED                 (DEGREES) : 21.600; 15.000              
REMARK   3    TRANSVERSE                (DEGREES) : 31.700; 25.000              
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND               (A**2) : 2.610 ; 2.000               
REMARK   3   MAIN-CHAIN ANGLE              (A**2) : 3.736 ; 3.000               
REMARK   3   SIDE-CHAIN BOND               (A**2) : 6.275 ; 4.000               
REMARK   3   SIDE-CHAIN ANGLE              (A**2) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1Y0C COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-NOV-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000030955.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 27-JUN-98                          
REMARK 200  TEMPERATURE           (KELVIN) : 298.0                              
REMARK 200  PH                             : 7.0                                
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                         : GRAPHITE                           
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : AREA DETECTOR                      
REMARK 200  DETECTOR MANUFACTURER          : SDMS                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : SDMS                               
REMARK 200  DATA SCALING SOFTWARE          : SDMS                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 29663                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.270                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.9                               
REMARK 200  DATA REDUNDANCY                : 8.100                              
REMARK 200  R MERGE                    (I) : 0.09400                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 7.4000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.27                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.44                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 89.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.60                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.15000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.900                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: PDB ENTRY 1XXT                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 52.07                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.57                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 10% PEG 6000, 10 MM POTASSIUM            
REMARK 280  PHOSPHATE, 100 MM POTASSIUM CHLORIDE, 3 MM SODIUM DITHIONITE, 10    
REMARK 280  MG/ML HB, PH 7.0, BATCH, TEMPERATURE 298K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2                        
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       48.55000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       49.75000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       48.55000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       49.75000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 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: THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT IN THIS ENTRY IS AN     
REMARK 300 ALPHA2BETA2 TETRAMER. THE BIOLOGICAL UNIT IS AN ALPHA2BETA2          
REMARK 300 TETRAMER. THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT AND BIOLOGICAL UNIT   
REMARK 300 ARE EQUIVALENT                                                       
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: 11220 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 23080 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -102.0 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 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 A   1    CG   SD   CE                                        
REMARK 470     MET C   1    CG   SD   CE                                        
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ASP A  64   CB  -  CG  -  OD1 ANGL. DEV. =   5.8 DEGREES          
REMARK 500    ARG A 141   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.9 DEGREES          
REMARK 500    ARG B  30   CD  -  NE  -  CZ  ANGL. DEV. =   8.5 DEGREES          
REMARK 500    ARG B  40   CD  -  NE  -  CZ  ANGL. DEV. =   8.7 DEGREES          
REMARK 500    ARG B  40   NE  -  CZ  -  NH1 ANGL. DEV. =   7.5 DEGREES          
REMARK 500    LEU B  68   CA  -  CB  -  CG  ANGL. DEV. =  14.4 DEGREES          
REMARK 500    ASP B  94   CB  -  CG  -  OD2 ANGL. DEV. =  -5.8 DEGREES          
REMARK 500    ASP C   6   CB  -  CG  -  OD1 ANGL. DEV. =   6.8 DEGREES          
REMARK 500    ASP C  64   CB  -  CG  -  OD1 ANGL. DEV. =   6.2 DEGREES          
REMARK 500    ASP C  75   CB  -  CG  -  OD2 ANGL. DEV. =  -6.5 DEGREES          
REMARK 500    ARG C 141   NE  -  CZ  -  NH1 ANGL. DEV. =   3.6 DEGREES          
REMARK 500    ARG C 141   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.2 DEGREES          
REMARK 500    HIS D   2   N   -  CA  -  CB  ANGL. DEV. =  13.2 DEGREES          
REMARK 500    ARG D  30   NE  -  CZ  -  NH1 ANGL. DEV. =   8.0 DEGREES          
REMARK 500    ARG D  30   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.6 DEGREES          
REMARK 500    ARG D  40   NE  -  CZ  -  NH1 ANGL. DEV. =   3.8 DEGREES          
REMARK 500    ASP D  73   CB  -  CG  -  OD1 ANGL. DEV. =   6.8 DEGREES          
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       44.85   -156.05                                   
REMARK 500    LYS A  90      -65.79   -106.61                                   
REMARK 500    HIS B   2       72.07   -116.94                                   
REMARK 500    PHE D  42       50.48   -118.92                                   
REMARK 500    ASN D  80       64.28   -157.65                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    ARG A 141         0.09    SIDE CHAIN                              
REMARK 500    ARG C 141         0.10    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM A 142  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  87   NE2                                                    
REMARK 620 2 HEM A 142   NA  102.8                                              
REMARK 620 3 HEM A 142   NB   96.8  87.8                                        
REMARK 620 4 HEM A 142   NC   99.4 157.8  89.1                                  
REMARK 620 5 HEM A 142   ND  106.8  87.9 156.4  86.2                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM B 147  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS B  92   NE2                                                    
REMARK 620 2 HEM B 147   NA   98.5                                              
REMARK 620 3 HEM B 147   NB  102.7  89.2                                        
REMARK 620 4 HEM B 147   NC   98.2 163.1  89.5                                  
REMARK 620 5 HEM B 147   ND   94.6  88.6 162.7  87.7                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM C 142  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS C  87   NE2                                                    
REMARK 620 2 HEM C 142   NA  106.4                                              
REMARK 620 3 HEM C 142   NB   98.7  85.7                                        
REMARK 620 4 HEM C 142   NC  101.0 152.1  85.2                                  
REMARK 620 5 HEM C 142   ND  112.0  87.3 149.3  87.2                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM D 147  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS D  92   NE2                                                    
REMARK 620 2 HEM D 147   NA  101.6                                              
REMARK 620 3 HEM D 147   NB  100.8  88.3                                        
REMARK 620 4 HEM D 147   NC   99.3 159.2  88.0                                  
REMARK 620 5 HEM D 147   ND  101.0  88.9 158.2  87.0                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 142                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 147                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM C 142                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM D 147                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1XXT   RELATED DB: PDB                                   
REMARK 900 WILD-TYPE DEOXYHEMOGLOBIN                                            
DBREF  1Y0C A    1   141  UNP    P69905   HBA_HUMAN        1    141             
DBREF  1Y0C C    1   141  UNP    P69905   HBA_HUMAN        1    141             
DBREF  1Y0C B    1   146  UNP    P68871   HBB_HUMAN        1    146             
DBREF  1Y0C D    1   146  UNP    P68871   HBB_HUMAN        1    146             
SEQADV 1Y0C MET A    1  UNP  P69905    VAL     1 ENGINEERED MUTATION            
SEQADV 1Y0C PHE A  140  UNP  P69905    TYR   140 ENGINEERED MUTATION            
SEQADV 1Y0C MET C    1  UNP  P69905    VAL     1 ENGINEERED MUTATION            
SEQADV 1Y0C PHE C  140  UNP  P69905    TYR   140 ENGINEERED MUTATION            
SEQRES   1 A  141  MET 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 PHE ARG                  
SEQRES   1 B  146  VAL HIS LEU THR PRO GLU GLU LYS SER ALA VAL THR ALA          
SEQRES   2 B  146  LEU TRP GLY LYS VAL ASN VAL ASP GLU 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 THR 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 ALA THR 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 HIS HIS          
SEQRES  10 B  146  PHE GLY LYS GLU PHE THR PRO PRO VAL 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  MET 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 PHE ARG                  
SEQRES   1 D  146  VAL HIS LEU THR PRO GLU GLU LYS SER ALA VAL THR ALA          
SEQRES   2 D  146  LEU TRP GLY LYS VAL ASN VAL ASP GLU 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 THR 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 ALA THR 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 HIS HIS          
SEQRES  10 D  146  PHE GLY LYS GLU PHE THR PRO PRO VAL 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    HEM  A 142      43                                                       
HET    HEM  B 147      43                                                       
HET    HEM  C 142      43                                                       
HET    HEM  D 147      43                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETSYN     HEM HEME                                                             
FORMUL   5  HEM    4(C34 H32 FE N4 O4)                                          
FORMUL   9  HOH   *194(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  LYS A   90  1                                  11    
HELIX    7   7 PRO A   95  ALA A  111  1                                  17    
HELIX    8   8 THR A  118  THR A  137  1                                  20    
HELIX    9   9 THR B    4  VAL B   18  1                                  15    
HELIX   10  10 ASN B   19  TYR B   35  1                                  17    
HELIX   11  11 PRO B   36  GLY B   46  5                                  11    
HELIX   12  12 THR B   50  ASN B   57  1                                   8    
HELIX   13  13 ASN B   57  LEU B   75  1                                  19    
HELIX   14  14 ASN B   80  LYS B   95  1                                  16    
HELIX   15  15 PRO B  100  GLY B  119  1                                  20    
HELIX   16  16 LYS B  120  PHE B  122  5                                   3    
HELIX   17  17 THR B  123  HIS B  143  1                                  21    
HELIX   18  18 SER C    3  GLY C   18  1                                  16    
HELIX   19  19 HIS C   20  PHE C   36  1                                  17    
HELIX   20  20 PRO C   37  PHE C   43  5                                   7    
HELIX   21  21 SER C   52  HIS C   72  1                                  21    
HELIX   22  22 ASP C   75  LEU C   80  1                                   6    
HELIX   23  23 LEU C   80  LYS C   90  1                                  11    
HELIX   24  24 PRO C   95  LEU C  113  1                                  19    
HELIX   25  25 THR C  118  THR C  137  1                                  20    
HELIX   26  26 THR D    4  GLY D   16  1                                  13    
HELIX   27  27 ASN D   19  TYR D   35  1                                  17    
HELIX   28  28 PRO D   36  GLY D   46  5                                  11    
HELIX   29  29 THR D   50  ASN D   57  1                                   8    
HELIX   30  30 ASN D   57  LEU D   75  1                                  19    
HELIX   31  31 ASN D   80  PHE D   85  1                                   6    
HELIX   32  32 PHE D   85  LYS D   95  1                                  11    
HELIX   33  33 PRO D  100  GLY D  119  1                                  20    
HELIX   34  34 LYS D  120  PHE D  122  5                                   3    
HELIX   35  35 THR D  123  HIS D  143  1                                  21    
LINK         NE2 HIS A  87                FE   HEM A 142     1555   1555  2.19  
LINK         NE2 HIS B  92                FE   HEM B 147     1555   1555  2.21  
LINK         NE2 HIS C  87                FE   HEM C 142     1555   1555  2.20  
LINK         NE2 HIS D  92                FE   HEM D 147     1555   1555  2.18  
SITE     1 AC1 17 TYR A  42  PHE A  43  HIS A  45  HIS A  58                    
SITE     2 AC1 17 LYS A  61  LEU A  83  LEU A  86  HIS A  87                    
SITE     3 AC1 17 LEU A  91  VAL A  93  ASN A  97  PHE A  98                    
SITE     4 AC1 17 LEU A 101  VAL A 132  LEU A 136  HOH A 219                    
SITE     5 AC1 17 HOH A 336                                                     
SITE     1 AC2 14 HIS A  72  ASP A  75  PHE B  41  HIS B  63                    
SITE     2 AC2 14 VAL B  67  ALA B  70  LEU B  91  HIS B  92                    
SITE     3 AC2 14 LEU B  96  ASN B 102  PHE B 103  LEU B 141                    
SITE     4 AC2 14 HOH B 244  HOH B 262                                          
SITE     1 AC3 17 LYS B  17  LYS B 120  TYR C  42  PHE C  43                    
SITE     2 AC3 17 HIS C  45  PHE C  46  HIS C  58  LYS C  61                    
SITE     3 AC3 17 LEU C  83  HIS C  87  LEU C  91  VAL C  93                    
SITE     4 AC3 17 ASN C  97  PHE C  98  LEU C 101  LEU C 136                    
SITE     5 AC3 17 HOH C 256                                                     
SITE     1 AC4  9 PHE D  42  HIS D  63  LYS D  66  VAL D  67                    
SITE     2 AC4  9 HIS D  92  LEU D  96  ASN D 102  PHE D 103                    
SITE     3 AC4  9 LEU D 141                                                     
CRYST1   97.100   99.500   66.000  90.00  90.00  90.00 P 21 21 2     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      0.010299  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010050  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015152        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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