HEADER    TRANSPORT PROTEIN                       30-NOV-04   1Y4F              
TITLE     T-TO-T(HIGH) QUATERNARY TRANSITIONS IN HUMAN HEMOGLOBIN: BETAW37A     
TITLE    2 DEOXY LOW-SALT (10 TEST SETS)                                        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HEMOGLOBIN ALPHA CHAIN;                                    
COMPND   3 CHAIN: A, C;                                                         
COMPND   4 MOL_ID: 2;                                                           
COMPND   5 MOLECULE: HEMOGLOBIN BETA CHAIN;                                     
COMPND   6 CHAIN: B, D;                                                         
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 TISSUE: BLOOD;                                                       
SOURCE   6 MOL_ID: 2;                                                           
SOURCE   7 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   8 ORGANISM_COMMON: HUMAN;                                              
SOURCE   9 ORGANISM_TAXID: 9606;                                                
SOURCE  10 GENE: HBB;                                                           
SOURCE  11 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  12 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    HEMOGLOBIN MUTANT, GLOBIN, TRANSPORT PROTEIN                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.S.KAVANAUGH,P.H.ROGERS,A.ARNONE                                     
REVDAT   5   23-AUG-23 1Y4F    1       REMARK                                   
REVDAT   4   20-OCT-21 1Y4F    1       REMARK SEQADV                            
REVDAT   3   24-FEB-09 1Y4F    1       VERSN                                    
REVDAT   2   17-MAY-05 1Y4F    1       JRNL                                     
REVDAT   1   07-DEC-04 1Y4F    0                                                
SPRSDE     07-DEC-04 1Y4F      1A0W                                             
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   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   J.S.KAVANAUGH,J.A.WEYDERT,P.H.ROGERS,A.ARNONE                
REMARK   1  TITL   HIGH-RESOLUTION CRYSTAL STRUCTURES OF HUMAN HEMOGLOBIN WITH  
REMARK   1  TITL 2 MUTATIONS AT TRYPTOPHAN 37BETA: STRUCTURAL BASIS FOR A       
REMARK   1  TITL 3 HIGH-AFFINITY T-STATE                                        
REMARK   1  REF    BIOCHEMISTRY                  V.  37  4358 1998              
REMARK   1  REFN                   ISSN 0006-2960                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.0.                                          
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 38054                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT AND LOCALRFREE       
REMARK   3   FREE R VALUE TEST SET SELECTION  : 10 SETS MATCHED TO PDB ENTRY    
REMARK   3                                      1Y0W                            
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.184                           
REMARK   3   R VALUE            (WORKING SET) : 0.181                           
REMARK   3   FREE R VALUE                     : 0.216                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 4231                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 7                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.00                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.15                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 6892                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2440                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 764                          
REMARK   3   BIN FREE R VALUE                    : 0.2800                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4368                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 172                                     
REMARK   3   SOLVENT ATOMS            : 175                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 24.38                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.32000                                             
REMARK   3    B22 (A**2) : 1.21000                                              
REMARK   3    B33 (A**2) : -0.89000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.187         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.159         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.160         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.829         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.959                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.939                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  4708 ; 0.016 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  4172 ; 0.000 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  6414 ; 1.592 ; 2.060       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  9686 ; 1.116 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   570 ; 3.406 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   759 ;17.037 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   698 ; 0.087 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  5172 ; 0.007 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   884 ; 0.006 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1083 ; 0.240 ; 0.300       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  3606 ; 0.197 ; 0.300       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   168 ; 0.184 ; 0.500       
REMARK   3   H-BOND (X...Y) OTHERS             (A):     4 ; 0.089 ; 0.500       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):     4 ; 0.094 ; 0.300       
REMARK   3   SYMMETRY VDW OTHERS               (A):    20 ; 0.180 ; 0.300       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     6 ; 0.157 ; 0.500       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  2858 ; 0.736 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  4566 ; 1.450 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1850 ; 2.360 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1848 ; 3.862 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 1Y4F COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-DEC-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000031102.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 20-OCT-95                          
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   : 43934                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.990                              
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     (%) : 97.1                               
REMARK 200  DATA REDUNDANCY                : 6.200                              
REMARK 200  R MERGE                    (I) : 0.06500                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 9.8000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.99                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.14                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 86.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.10                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.23200                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.800                              
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 1Y0W                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 52.08                                     
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       48.40000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       49.60000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       48.40000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       49.60000            
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 FOR THIS ENTRY IS AN    
REMARK 300 ALPHA2BETA2 TETRAMER. THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT AND       
REMARK 300 BIOLOGICAL UNIT 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: 11080 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 24020 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -105.0 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   NH1  ARG B   104     O    HOH B   248              2.07            
REMARK 500   OE2  GLU A   116     O    HOH A   352              2.12            
REMARK 500   O    MET D     1     N    LEU D     3              2.13            
REMARK 500   NZ   LYS A     7     OD1  ASP A    74              2.14            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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    LEU C 105   CA  -  CB  -  CG  ANGL. DEV. =  14.4 DEGREES          
REMARK 500    ASP D  73   CB  -  CG  -  OD2 ANGL. DEV. =   5.7 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    ALA A  19       39.26    -84.81                                   
REMARK 500    ASP A  75       35.77   -154.01                                   
REMARK 500    ASP C  75       44.63   -143.49                                   
REMARK 500    HIS D   2       65.16    -42.51                                   
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   96.0                                              
REMARK 620 3 HEM A 142   NB   96.8  85.5                                        
REMARK 620 4 HEM A 142   NC  107.3 156.1  86.4                                  
REMARK 620 5 HEM A 142   ND  109.5  89.2 153.6  88.1                            
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   94.3                                              
REMARK 620 3 HEM B 147   NB  101.9  86.9                                        
REMARK 620 4 HEM B 147   NC  102.7 162.9  88.9                                  
REMARK 620 5 HEM B 147   ND   97.9  89.8 160.1  88.6                            
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   98.0                                              
REMARK 620 3 HEM C 142   NB   99.9  86.6                                        
REMARK 620 4 HEM C 142   NC  105.9 155.7  85.0                                  
REMARK 620 5 HEM C 142   ND  107.5  88.5 152.5  88.6                            
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   98.9                                              
REMARK 620 3 HEM D 147   NB  102.7  90.2                                        
REMARK 620 4 HEM D 147   NC   97.1 163.4  90.6                                  
REMARK 620 5 HEM D 147   ND   92.4  86.3 164.8  88.7                            
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: 1Y0W   RELATED DB: PDB                                   
REMARK 900 BETAV1M DEOXY LOW-SALT 10 TEST SETS                                  
REMARK 900 RELATED ID: 1A0W   RELATED DB: PDB                                   
REMARK 900 BETAW37A DEOXY LOW-SALT. THE CURRENT ENTRY REPLACES 1A0W.            
DBREF  1Y4F A    1   141  UNP    P69905   HBA_HUMAN        1    141             
DBREF  1Y4F C    1   141  UNP    P69905   HBA_HUMAN        1    141             
DBREF  1Y4F B    1   146  UNP    P68871   HBB_HUMAN        1    146             
DBREF  1Y4F D    1   146  UNP    P68871   HBB_HUMAN        1    146             
SEQADV 1Y4F MET B    1  UNP  P68871    VAL     1 ENGINEERED MUTATION            
SEQADV 1Y4F ALA B   37  UNP  P68871    TRP    37 ENGINEERED MUTATION            
SEQADV 1Y4F MET D    1  UNP  P68871    VAL     1 ENGINEERED MUTATION            
SEQADV 1Y4F ALA D   37  UNP  P68871    TRP    37 ENGINEERED MUTATION            
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  MET 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 ALA 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  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  MET 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 ALA 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   *175(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  LEU A  113  1                                  19    
HELIX    8   8 THR A  118  SER A  138  1                                  21    
HELIX    9   9 THR B    4  GLY B   16  1                                  13    
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  GLY B   56  1                                   7    
HELIX   13  13 ASN B   57  ALA B   76  1                                  20    
HELIX   14  14 ASN B   80  PHE B   85  1                                   6    
HELIX   15  15 PHE B   85  LYS B   95  1                                  11    
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  HIS B  143  1                                  21    
HELIX   19  19 SER C    3  GLY C   18  1                                  16    
HELIX   20  20 HIS C   20  PHE C   36  1                                  17    
HELIX   21  21 PRO C   37  PHE C   43  5                                   7    
HELIX   22  22 SER C   52  HIS C   72  1                                  21    
HELIX   23  23 ASP C   75  LEU C   80  1                                   6    
HELIX   24  24 LEU C   80  LYS C   90  1                                  11    
HELIX   25  25 PRO C   95  LEU C  113  1                                  19    
HELIX   26  26 THR C  118  SER C  138  1                                  21    
HELIX   27  27 THR D    4  GLY D   16  1                                  13    
HELIX   28  28 ASN D   19  TYR D   35  1                                  17    
HELIX   29  29 PRO D   36  GLY D   46  5                                  11    
HELIX   30  30 THR D   50  ASN D   57  1                                   8    
HELIX   31  31 ASN D   57  LEU D   75  1                                  19    
HELIX   32  32 ASN D   80  LYS D   95  1                                  16    
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  2.26  
LINK         NE2 HIS B  92                FE   HEM B 147     1555   1555  2.20  
LINK         NE2 HIS C  87                FE   HEM C 142     1555   1555  2.19  
LINK         NE2 HIS D  92                FE   HEM D 147     1555   1555  2.25  
SITE     1 AC1 15 TYR A  42  PHE A  43  HIS A  45  HIS A  58                    
SITE     2 AC1 15 LYS A  61  LEU A  83  HIS A  87  LEU A  91                    
SITE     3 AC1 15 VAL A  93  ASN A  97  PHE A  98  LEU A 101                    
SITE     4 AC1 15 LEU A 136  HOH A 219  HOH A 336                               
SITE     1 AC2 13 HIS A  72  PHE B  41  HIS B  63  LYS B  66                    
SITE     2 AC2 13 VAL B  67  LEU B  91  HIS B  92  LEU B  96                    
SITE     3 AC2 13 ASN B 102  LEU B 141  HOH B 244  HOH B 262                    
SITE     4 AC2 13 HOH B 402                                                     
SITE     1 AC3 19 LYS B  17  LYS B 120  HOH B 289  TYR C  42                    
SITE     2 AC3 19 PHE C  43  HIS C  45  HIS C  58  LYS C  61                    
SITE     3 AC3 19 LEU C  83  LEU C  86  HIS C  87  LEU C  91                    
SITE     4 AC3 19 VAL C  93  ASN C  97  PHE C  98  LEU C 101                    
SITE     5 AC3 19 LEU C 136  HOH C 256  HOH C 437                               
SITE     1 AC4  8 LYS C  56  HIS D  63  VAL D  67  ALA D  70                    
SITE     2 AC4  8 HIS D  92  LEU D  96  ASN D 102  LEU D 141                    
CRYST1   96.800   99.200   66.200  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      0.010331  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010081  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015106        0.00000