HEADER    OXYGEN TRANSPORT                        08-JUL-16   5KSI              
TITLE     CRYSTAL STRUCTURE OF DEOXYGENATED HEMOGLOBIN IN COMPLEX WITH          
TITLE    2 SPHINGOSINE PHOSPHATE AND 2,3-BISPHOSPHOGLYCERATE                    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HEMOGLOBIN SUBUNIT ALPHA;                                  
COMPND   3 CHAIN: A, C;                                                         
COMPND   4 SYNONYM: ALPHA-GLOBIN,HEMOGLOBIN ALPHA CHAIN;                        
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: HEMOGLOBIN SUBUNIT BETA;                                   
COMPND   7 CHAIN: B, D;                                                         
COMPND   8 SYNONYM: BETA-GLOBIN,HEMOGLOBIN BETA CHAIN                           
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 MOL_ID: 2;                                                           
SOURCE   6 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   7 ORGANISM_COMMON: HUMAN;                                              
SOURCE   8 ORGANISM_TAXID: 9606                                                 
KEYWDS    HEMOGLOBIN, SPHINGOSINE-1-PHOSPHATE, COMPLEX, ALLOSTERIC EFFECTOR,    
KEYWDS   2 OXYGEN TRANSPORT                                                     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.H.AHMED,M.K.SAFO,Y.XIA                                              
REVDAT   4   04-OCT-23 5KSI    1       REMARK                                   
REVDAT   3   04-DEC-19 5KSI    1       REMARK                                   
REVDAT   2   06-DEC-17 5KSI    1       JRNL                                     
REVDAT   1   26-JUL-17 5KSI    0                                                
JRNL        AUTH   K.SUN,A.D'ALESSANDRO,M.H.AHMED,Y.ZHANG,A.SONG,T.P.KO,        
JRNL        AUTH 2 T.NEMKOV,J.A.REISZ,H.WU,M.ADEBIYI,Z.PENG,J.GONG,H.LIU,       
JRNL        AUTH 3 A.HUANG,Y.E.WEN,A.Q.WEN,V.BERKA,M.V.BOGDANOV,O.ABDULMALIK,   
JRNL        AUTH 4 L.HAN,A.L.TSAI,M.IDOWU,H.S.JUNEJA,R.E.KELLEMS,W.DOWHAN,      
JRNL        AUTH 5 K.C.HANSEN,M.K.SAFO,Y.XIA                                    
JRNL        TITL   STRUCTURAL AND FUNCTIONAL INSIGHT OF SPHINGOSINE             
JRNL        TITL 2 1-PHOSPHATE-MEDIATED PATHOGENIC METABOLIC REPROGRAMMING IN   
JRNL        TITL 3 SICKLE CELL DISEASE.                                         
JRNL        REF    SCI REP                       V.   7 15281 2017              
JRNL        REFN                   ESSN 2045-2322                               
JRNL        PMID   29127281                                                     
JRNL        DOI    10.1038/S41598-017-13667-8                                   
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.1                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : NULL                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.00                          
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)   (%) : 93.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 54123                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.180                           
REMARK   3   FREE R VALUE                     : 0.220                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.800                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2764                            
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            : 4384                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 286                                     
REMARK   3   SOLVENT ATOMS            : 784                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 19.90                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 22.80                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.66700                                              
REMARK   3    B22 (A**2) : -4.46500                                             
REMARK   3    B33 (A**2) : 2.79800                                              
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 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) : NULL                            
REMARK   3   BOND ANGLES            (DEGREES) : NULL                            
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) : 1.199 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 1.602 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 1.987 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 2.760 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : 89.89                                                
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:                                           
REMARK   3  AUTHOR PROVIDED THE FOLLOWING EVIDENCE OF DIRECT S1P BINDING TO     
REMARK   3  HEMOGLOBIN: S1P BEADS SUCCESSFULLY PULLED DOWN HBA FROM NORMAL      
REMARK   3  HUMAN ERYTHROCYTE LYSATES, WHILE SPHINGOSINE OR LYSOPHOSPHATIDIC    
REMARK   3  ACID BEADS FAILED TO PULL DOWN HB.                                  
REMARK   3  IN ADDITION, CO-BINDING OF 2,3-DPG AND S1P TO HEMOGLOBIN (HB) IS    
REMARK   3  REQUIRED FOR S1P-INDUCED DECREASE IN HB-O2 AFFINITY. WE MEASURED    
REMARK   3  OXYGEN EQUILIBRATION CURVES (OEC) OF PURIFIED HBA IN THE PRESENCE   
REMARK   3  OF 2,3-DPG ALONG WITH S1P. WE FOUND THAT S1P DECREASED HBA-O2       
REMARK   3  BINDING AFFINITY WITH INCREASED P50 IN A DOSE-DEPENDENT MANNER.     
REMARK   3  THUS, WE PROVIDE BIOCHEMICAL AND FUNCTIONAL EVIDENCE THAT S1P       
REMARK   3  BINDS DIRECTLY TO HB BUT REQUIRES COBINDING OF 2,3-DPG TO DECREASE  
REMARK   3  THE PROTEIN AFFINITY FOR O2                                         
REMARK   4                                                                      
REMARK   4 5KSI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-JUL-16.                  
REMARK 100 THE DEPOSITION ID IS D_1000222685.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 21-FEB-12                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : CU FINE FOCUS                      
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.54                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV++                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : D*TREK                             
REMARK 200  DATA SCALING SOFTWARE          : D*TREK                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 54124                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 93.9                               
REMARK 200  DATA REDUNDANCY                : 4.100                              
REMARK 200  R MERGE                    (I) : 0.07600                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 11.5000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.86                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 96.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.87                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.38000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.400                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHENIX 1.8                                            
REMARK 200 STARTING MODEL: 2DN2                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.17                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.47                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M SODIUM ACETATE TRIHYDRATE, 0.1 M   
REMARK 280  SODIUM CACODYLATE TRIHYDRATE, PH 6.5 AND 30% PEG 8000, LIQUID       
REMARK 280  DIFFUSION, 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       47.97000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       49.04000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       47.97000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       49.04000            
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 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: 13260 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 23170 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -101.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D                            
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    TYR A    42     O3   S1P D   202              2.00            
REMARK 500   OE2  GLU C   116     O    HOH C   301              2.13            
REMARK 500   O    HOH A   436     O    HOH D   318              2.14            
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       63.93   -154.64                                   
REMARK 500    ASN B  80       53.58   -145.26                                   
REMARK 500    ASP C  75       38.77   -152.63                                   
REMARK 500    LYS C  90      -70.84   -116.69                                   
REMARK 500    LEU C 113       65.60   -118.76                                   
REMARK 500    HIS D   2       71.43   -114.83                                   
REMARK 500    ASN D  80       46.78   -145.10                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A 488        DISTANCE =  6.75 ANGSTROMS                       
REMARK 525    HOH A 489        DISTANCE =  6.90 ANGSTROMS                       
REMARK 525    HOH C 499        DISTANCE =  5.94 ANGSTROMS                       
REMARK 525    HOH D 490        DISTANCE =  6.65 ANGSTROMS                       
REMARK 525    HOH D 491        DISTANCE =  7.29 ANGSTROMS                       
REMARK 610                                                                      
REMARK 610 MISSING HETEROATOM                                                   
REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 610 I=INSERTION CODE):                                                   
REMARK 610   M RES C SSEQI                                                      
REMARK 610     S1P A  202                                                       
REMARK 610     S1P C  202                                                       
REMARK 610     S1P C  203                                                       
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 201  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  87   NE2                                                    
REMARK 620 2 HEM A 201   NA   96.2                                              
REMARK 620 3 HEM A 201   NB   99.6  87.1                                        
REMARK 620 4 HEM A 201   NC  107.4 156.4  89.0                                  
REMARK 620 5 HEM A 201   ND  104.5  87.6 155.7  86.4                            
REMARK 620 N                    1     2     3     4                             
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  92   NE2                                                    
REMARK 620 2 HEM B 201   NA   96.2                                              
REMARK 620 3 HEM B 201   NB   97.8  88.3                                        
REMARK 620 4 HEM B 201   NC  104.6 159.1  89.9                                  
REMARK 620 5 HEM B 201   ND   99.5  88.1 162.6  87.4                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM C 201  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS C  87   NE2                                                    
REMARK 620 2 HEM C 201   NA   97.5                                              
REMARK 620 3 HEM C 201   NB   98.5  88.2                                        
REMARK 620 4 HEM C 201   NC  106.2 156.3  86.8                                  
REMARK 620 5 HEM C 201   ND  105.6  87.4 155.9  87.8                            
REMARK 620 N                    1     2     3     4                             
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  92   NE2                                                    
REMARK 620 2 HEM D 201   NA   92.9                                              
REMARK 620 3 HEM D 201   NB   99.4  87.6                                        
REMARK 620 4 HEM D 201   NC  105.1 162.0  90.0                                  
REMARK 620 5 HEM D 201   ND   98.2  88.5 162.1  88.4                            
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 201                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue S1P A 202                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue S1P A 203                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue HEM B 201                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue DG2 B 202                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue HEM C 201                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue S1P C 202                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue S1P C 203                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue HEM D 201                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AD1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue S1P D 202                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AD2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue DG2 D 203                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 5KSJ   RELATED DB: PDB                                   
DBREF  5KSI A    1   141  UNP    P69905   HBA_HUMAN        2    142             
DBREF  5KSI B    1   146  UNP    P68871   HBB_HUMAN        2    147             
DBREF  5KSI C    1   141  UNP    P69905   HBA_HUMAN        2    142             
DBREF  5KSI D    1   146  UNP    P68871   HBB_HUMAN        2    147             
SEQRES   1 A  141  VAL LEU SER PRO ALA ASP LYS THR ASN VAL LYS ALA ALA          
SEQRES   2 A  141  TRP GLY LYS VAL GLY ALA HIS ALA GLY GLU TYR GLY ALA          
SEQRES   3 A  141  GLU ALA LEU GLU ARG MET PHE LEU SER PHE PRO THR THR          
SEQRES   4 A  141  LYS THR TYR PHE PRO HIS PHE ASP LEU SER HIS GLY SER          
SEQRES   5 A  141  ALA GLN VAL LYS GLY HIS GLY LYS LYS VAL ALA ASP ALA          
SEQRES   6 A  141  LEU THR ASN ALA VAL ALA HIS VAL ASP ASP MET PRO ASN          
SEQRES   7 A  141  ALA LEU SER ALA LEU SER ASP LEU HIS ALA HIS LYS LEU          
SEQRES   8 A  141  ARG VAL ASP PRO VAL ASN PHE LYS LEU LEU SER HIS CYS          
SEQRES   9 A  141  LEU LEU VAL THR LEU ALA ALA HIS LEU PRO ALA GLU PHE          
SEQRES  10 A  141  THR PRO ALA VAL HIS ALA SER LEU ASP LYS PHE LEU ALA          
SEQRES  11 A  141  SER VAL SER THR VAL LEU THR SER LYS TYR ARG                  
SEQRES   1 B  146  VAL HIS LEU THR PRO GLU GLU LYS 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  VAL LEU SER PRO ALA ASP LYS THR ASN VAL LYS ALA ALA          
SEQRES   2 C  141  TRP GLY LYS VAL GLY ALA HIS ALA GLY GLU TYR GLY ALA          
SEQRES   3 C  141  GLU ALA LEU GLU ARG MET PHE LEU SER PHE PRO THR THR          
SEQRES   4 C  141  LYS THR TYR PHE PRO HIS PHE ASP LEU SER HIS GLY SER          
SEQRES   5 C  141  ALA GLN VAL LYS GLY HIS GLY LYS LYS VAL ALA ASP ALA          
SEQRES   6 C  141  LEU THR ASN ALA VAL ALA HIS VAL ASP ASP MET PRO ASN          
SEQRES   7 C  141  ALA LEU SER ALA LEU SER ASP LEU HIS ALA HIS LYS LEU          
SEQRES   8 C  141  ARG VAL ASP PRO VAL ASN PHE LYS LEU LEU SER HIS CYS          
SEQRES   9 C  141  LEU LEU VAL THR LEU ALA ALA HIS LEU PRO ALA GLU PHE          
SEQRES  10 C  141  THR PRO ALA VAL HIS ALA SER LEU ASP LYS PHE LEU ALA          
SEQRES  11 C  141  SER VAL SER THR VAL LEU THR SER LYS TYR ARG                  
SEQRES   1 D  146  VAL HIS LEU THR PRO GLU GLU LYS 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 201      43                                                       
HET    S1P  A 202      11                                                       
HET    S1P  A 203      25                                                       
HET    HEM  B 201      43                                                       
HET    DG2  B 202      15                                                       
HET    HEM  C 201      43                                                       
HET    S1P  C 202       7                                                       
HET    S1P  C 203      16                                                       
HET    HEM  D 201      43                                                       
HET    S1P  D 202      25                                                       
HET    DG2  D 203      15                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETNAM     S1P (2S,3R,4E)-2-AMINO-3-HYDROXYOCTADEC-4-EN-1-YL                    
HETNAM   2 S1P  DIHYDROGEN PHOSPHATE                                            
HETNAM     DG2 (2R)-2,3-DIPHOSPHOGLYCERIC ACID                                  
HETSYN     HEM HEME                                                             
HETSYN     S1P SPHINGOSINE 1-PHOSPHATE                                          
HETSYN     DG2 2,3-BISPHOSPHOGLYCERIC ACID; 2,3-BISPHOSPHOGLYCERATE;            
HETSYN   2 DG2  2,3-BPG; 2,3-DIPHOSPHOGLYCERIC ACID; 2,3-                       
HETSYN   3 DG2  DIPHOSPHOGLYCERATE; 2,3-DPG; (2~{R})-2,3-                       
HETSYN   4 DG2  DIPHOSPHONOOXYPROPANOIC ACID                                    
FORMUL   5  HEM    4(C34 H32 FE N4 O4)                                          
FORMUL   6  S1P    5(C18 H38 N O5 P)                                            
FORMUL   9  DG2    2(C3 H8 O10 P2)                                              
FORMUL  16  HOH   *784(H2 O)                                                    
HELIX    1 AA1 SER A    3  GLY A   18  1                                  16    
HELIX    2 AA2 HIS A   20  PHE A   36  1                                  17    
HELIX    3 AA3 PRO A   37  PHE A   43  5                                   7    
HELIX    4 AA4 SER A   52  HIS A   72  1                                  21    
HELIX    5 AA5 ASP A   75  LEU A   80  1                                   6    
HELIX    6 AA6 LEU A   80  LYS A   90  1                                  11    
HELIX    7 AA7 VAL A   96  LEU A  113  1                                  18    
HELIX    8 AA8 THR A  118  SER A  138  1                                  21    
HELIX    9 AA9 THR B    4  GLY B   16  1                                  13    
HELIX   10 AB1 ASN B   19  TYR B   35  1                                  17    
HELIX   11 AB2 PRO B   36  GLY B   46  5                                  11    
HELIX   12 AB3 THR B   50  ASN B   57  1                                   8    
HELIX   13 AB4 ASN B   57  LEU B   75  1                                  19    
HELIX   14 AB5 ALA B   76  LEU B   78  5                                   3    
HELIX   15 AB6 ASN B   80  LYS B   95  1                                  16    
HELIX   16 AB7 PRO B  100  GLY B  119  1                                  20    
HELIX   17 AB8 LYS B  120  PHE B  122  5                                   3    
HELIX   18 AB9 THR B  123  HIS B  143  1                                  21    
HELIX   19 AC1 SER C    3  GLY C   18  1                                  16    
HELIX   20 AC2 HIS C   20  PHE C   36  1                                  17    
HELIX   21 AC3 PRO C   37  PHE C   43  5                                   7    
HELIX   22 AC4 SER C   52  HIS C   72  1                                  21    
HELIX   23 AC5 ASP C   75  LEU C   80  1                                   6    
HELIX   24 AC6 LEU C   80  LYS C   90  1                                  11    
HELIX   25 AC7 VAL C   96  LEU C  113  1                                  18    
HELIX   26 AC8 THR C  118  SER C  138  1                                  21    
HELIX   27 AC9 THR D    4  GLY D   16  1                                  13    
HELIX   28 AD1 ASN D   19  TYR D   35  1                                  17    
HELIX   29 AD2 PRO D   36  GLY D   46  5                                  11    
HELIX   30 AD3 THR D   50  GLY D   56  1                                   7    
HELIX   31 AD4 ASN D   57  LEU D   75  1                                  19    
HELIX   32 AD5 ALA D   76  ASP D   79  5                                   4    
HELIX   33 AD6 ASN D   80  PHE D   85  1                                   6    
HELIX   34 AD7 PHE D   85  LYS D   95  1                                  11    
HELIX   35 AD8 PRO D  100  GLY D  119  1                                  20    
HELIX   36 AD9 LYS D  120  PHE D  122  5                                   3    
HELIX   37 AE1 THR D  123  HIS D  143  1                                  21    
LINK         NE2 HIS A  87                FE   HEM A 201     1555   1555  2.09  
LINK         NE2 HIS B  92                FE   HEM B 201     1555   1555  2.07  
LINK         NE2 HIS C  87                FE   HEM C 201     1555   1555  2.09  
LINK         NE2 HIS D  92                FE   HEM D 201     1555   1555  2.09  
SITE     1 AC1 23 TYR A  42  PHE A  43  HIS A  45  PHE A  46                    
SITE     2 AC1 23 HIS A  58  LYS A  61  LEU A  83  LEU A  86                    
SITE     3 AC1 23 HIS A  87  LEU A  91  VAL A  93  ASN A  97                    
SITE     4 AC1 23 PHE A  98  LEU A 101  LEU A 136  HOH A 315                    
SITE     5 AC1 23 HOH A 320  HOH A 332  HOH A 334  HOH A 349                    
SITE     6 AC1 23 HOH A 368  LYS D  17  S1P D 202                               
SITE     1 AC2  7 PHE A  36  LYS A  99  LEU A 100  HIS A 103                    
SITE     2 AC2  7 HOH A 302  HOH A 310  ASN B 108                               
SITE     1 AC3 14 THR A  41  TYR A  42  PRO A  44  HIS A  45                    
SITE     2 AC3 14 LYS A  90  LEU A  91  ARG A  92  ARG D  40                    
SITE     3 AC3 14 PHE D  41  LEU D  96  HIS D  97  HEM D 201                    
SITE     4 AC3 14 S1P D 202  HOH D 307                                          
SITE     1 AC4 12 LYS A  56  HIS B  63  LYS B  66  VAL B  67                    
SITE     2 AC4 12 LEU B  91  HIS B  92  LEU B  96  ASN B 102                    
SITE     3 AC4 12 PHE B 103  LEU B 141  HOH B 362  HOH B 394                    
SITE     1 AC5  7 LYS B  82  HOH B 329  HOH B 330  HOH B 342                    
SITE     2 AC5  7 HOH B 358  DG2 D 203  HOH D 338                               
SITE     1 AC6 20 MET C  32  TYR C  42  PHE C  43  HIS C  45                    
SITE     2 AC6 20 PHE C  46  HIS C  58  LYS C  61  LEU C  83                    
SITE     3 AC6 20 LEU C  86  HIS C  87  LEU C  91  VAL C  93                    
SITE     4 AC6 20 ASN C  97  PHE C  98  LEU C 101  LEU C 136                    
SITE     5 AC6 20 S1P C 203  HOH C 336  HOH C 360  HOH C 403                    
SITE     1 AC7 10 PHE C  36  LYS C  99  LEU C 100  HIS C 103                    
SITE     2 AC7 10 HOH C 304  HOH C 355  HOH C 361  HOH C 390                    
SITE     3 AC7 10 ASN D 108  GLN D 131                                          
SITE     1 AC8  9 ARG B  40  HIS B  97  THR C  41  TYR C  42                    
SITE     2 AC8  9 PRO C  44  LYS C  90  LEU C  91  ARG C  92                    
SITE     3 AC8  9 HEM C 201                                                     
SITE     1 AC9 21 S1P A 203  HIS C  72  HOH C 331  PHE D  41                    
SITE     2 AC9 21 PHE D  42  HIS D  63  LYS D  66  VAL D  67                    
SITE     3 AC9 21 LEU D  91  HIS D  92  LEU D  96  ASN D 102                    
SITE     4 AC9 21 PHE D 103  LEU D 141  S1P D 202  HOH D 302                    
SITE     5 AC9 21 HOH D 313  HOH D 316  HOH D 341  HOH D 344                    
SITE     6 AC9 21 HOH D 392                                                     
SITE     1 AD1 18 THR A  41  TYR A  42  HIS A  45  LYS A  90                    
SITE     2 AD1 18 LEU A  91  HEM A 201  S1P A 203  HIS C  72                    
SITE     3 AD1 18 ARG D  40  PHE D  41  LEU D  96  HIS D  97                    
SITE     4 AD1 18 LYS D 120  HEM D 201  HOH D 301  HOH D 316                    
SITE     5 AD1 18 HOH D 344  HOH D 385                                          
SITE     1 AD2  9 LYS B  82  DG2 B 202  HOH B 330  VAL D   1                    
SITE     2 AD2  9 LYS D  82  HOH D 334  HOH D 337  HOH D 338                    
SITE     3 AD2  9 HOH D 403                                                     
CRYST1   95.940   98.080   65.140  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      0.010423  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010196  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015352        0.00000