PDB entry 1mwb

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HEADER    OXYGEN STORAGE/TRANSPORT                27-SEP-02   1MWB              
TITLE     SOLUTION STRUCTURE OF THE RECOMBINANT HEMOGLOBIN FROM THE             
TITLE    2 CYANOBACTERIUM SYNECHOCYSTIS SP. PCC 6803 IN ITS                     
TITLE    3 HEMICHROME STATE                                                     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CYANOGLOBIN;                                               
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: HEMOGLOBIN, HB;                                             
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SYNECHOCYSTIS SP.;                              
SOURCE   3 ORGANISM_COMMON: CYANOBACTERIA;                                      
SOURCE   4 STRAIN: PCC 6803;                                                    
SOURCE   5 GENE: SLR2097 (GLBN);                                                
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_COMMON: BACTERIA;                                  
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET3C                                     
KEYWDS    GLOBIN, CYANOGLOBIN                                                   
EXPDTA    NMR, 20 STRUCTURES                                                    
AUTHOR    C.J.FALZONE,B.C.VU,N.L.SCOTT,J.T.LECOMTE                              
REVDAT   1   04-DEC-02 1MWB    0                                                
JRNL        AUTH   C.J.FALZONE,B.C.VU,N.L.SCOTT,J.T.LECOMTE                     
JRNL        TITL   THE SOLUTION STRUCTURE OF THE RECOMBINANT                    
JRNL        TITL 2 HEMOGLOBIN FROM THE CYANOBACTERIUM SYNECHOCYSTIS             
JRNL        TITL 3 SP. PCC 6803 IN ITS HEMICHROME STATE                         
JRNL        REF    J.MOL.BIOL.                   V. 324  1015 2002              
JRNL        REFN   ASTM JMOBAK  UK ISSN 0022-2836                               
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   C.J.FALZONE,J.T.LECOMTE                                      
REMARK   1  TITL   ASSIGNMENT OF THE 1H, 13C, AND 15N SIGNALS OF                
REMARK   1  TITL 2 SYNECHOCYSTIS SP. PCC 6803 METHEMOGLOBIN                     
REMARK   1  REF    J.BIOMOL.NMR                  V.  23    71 2002              
REMARK   1  REFN   ASTM JBNME9  NE ISSN 0925-2738                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   N.L.SCOTT,J.T.LECOMTE                                        
REMARK   1  TITL   CLONING, EXPRESSION, PURIFICATION, AND PRELIMINARY           
REMARK   1  TITL 2 CHARACTERIZATION OF A PUTATIVE HEMOGLOBIN FROM THE           
REMARK   1  TITL 3 CYANOBACTERIUM SYNECHOCYSTIS SP. PCC 6803                    
REMARK   1  REF    PROTEIN SCI.                  V.   9   587 2000              
REMARK   1  REFN   ASTM PRCIEI  US ISSN 0961-8368                               
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR-NIH 1.2.1                                     
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1MWB COMPLIES WITH FORMAT V. 3.0, 1-DEC-2006                         
REMARK   4                                                                      
REMARK   4 THIS IS THE REMEDIATED VERSION OF THIS PDB ENTRY.                    
REMARK   4 REMEDIATED DATA FILE REVISION 3.100 (2007-03-17)                     
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB .                              
REMARK 100 THE RCSB ID CODE IS RCSB017245.                                      
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 298                                
REMARK 210  PH                             : 7.5                                
REMARK 210  IONIC STRENGTH                 : 50 MM                              
REMARK 210  PRESSURE                       : AMBIENT                            
REMARK 210  SAMPLE CONTENTS                : 0.6 - 2 MM PROTEIN, 20 MM K        
REMARK 210                                   OR NA PHOSPHATE; 0.6 - 2 MM        
REMARK 210                                   PROTEIN, 20 MM K OR NA             
REMARK 210                                   PHOSPHATE; 1 MM U-15N PROTEIN,     
REMARK 210                                   20 MM K OR NA PHOSPHATE; 1 MM      
REMARK 210                                   U-15N, 13C PROTEIN, 20 MM K OR     
REMARK 210                                   NA PHOSPHATE                       
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : 2D NOESY, 3D_13C-SEPARATED_        
REMARK 210                                   NOESY, 3D_15N-SEPARATED_NOESY,     
REMARK 210                                   J-MODULATED 1H-15N HSQC, 2D        
REMARK 210                                   TOCSY                              
REMARK 210  SPECTROMETER FIELD STRENGTH    : 600 MHZ, 800 MHZ                   
REMARK 210  SPECTROMETER MODEL             : DRX, INOVA                         
REMARK 210  SPECTROMETER MANUFACTURER      : BRUKER, VARIAN                     
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : X-PLOR 3.851, FELIX 2000,          
REMARK 210                                   XWINNMR 2.5, NMRPIPE 2.1           
REMARK 210   METHOD USED                   : DISTANCE GEOMETRY, SIMULATED       
REMARK 210                                   ANNEALING, MOLECULAR DYNAMICS,     
REMARK 210                                   TORSIONAL ANGLE DATABASE           
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : 100                                
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 20                                 
REMARK 210 CONFORMERS, SELECTION CRITERIA  : STRUCTURES WITH LOWEST ENERGY      
REMARK 210                                   AND LEAST RESTRAINT VIOLATIONS     
REMARK 210                                                                      
REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1                   
REMARK 210                                                                      
REMARK 210 REMARK: THIS IS A LOW-SPIN FE(+3) COMPLEX.  STANDARD METHODS AS      
REMARK 210  APPLIED TO DIMAGNETIC PROTEINS WERE USED TO DETERMINE THE           
REMARK 210  STRUCTURE.                                                          
REMARK 215                                                                      
REMARK 215 NMR STUDY                                                            
REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION           
REMARK 215 NMR DATA.  PROTEIN DATA BANK CONVENTIONS REQUIRE THAT                
REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON              
REMARK 215 THESE RECORDS ARE MEANINGLESS.                                       
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  M RES CSSEQI        PSI       PHI                                   
REMARK 500 11 THR A  11      -89.29     44.83                                   
REMARK 500 12 THR A  11     -101.69     39.75                                   
REMARK 500 15 ASP A  59      127.36     59.43                                   
REMARK 500 17 ASN A 123      -68.56     59.29                                   
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 AUTHORS INFORMED THAT MET 1 IN SWISSPROT P73925                      
REMARK 999 WAS CLEAVED POST-TRANSLATIONALLY                                     
DBREF  1MWB A    2   124  UNP    P73925   GLBN_SYNY3       2    124             
SEQRES   1 A  123  SER THR LEU TYR GLU LYS LEU GLY GLY THR THR ALA VAL          
SEQRES   2 A  123  ASP LEU ALA VAL ASP LYS PHE TYR GLU ARG VAL LEU GLN          
SEQRES   3 A  123  ASP ASP ARG ILE LYS HIS PHE PHE ALA ASP VAL ASP MET          
SEQRES   4 A  123  ALA LYS GLN ARG ALA HIS GLN LYS ALA PHE LEU THR TYR          
SEQRES   5 A  123  ALA PHE GLY GLY THR ASP LYS TYR ASP GLY ARG TYR MET          
SEQRES   6 A  123  ARG GLU ALA HIS LYS GLU LEU VAL GLU ASN HIS GLY LEU          
SEQRES   7 A  123  ASN GLY GLU HIS PHE ASP ALA VAL ALA GLU ASP LEU LEU          
SEQRES   8 A  123  ALA THR LEU LYS GLU MET GLY VAL PRO GLU ASP LEU ILE          
SEQRES   9 A  123  ALA GLU VAL ALA ALA VAL ALA GLY ALA PRO ALA HIS LYS          
SEQRES  10 A  123  ARG ASP VAL LEU ASN GLN                                      
HET    HEM  A 125      73                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETSYN     HEM HEME                                                             
FORMUL   2  HEM    C34 H32 FE N4 O4                                             
HELIX    1   1 SER A    2  LYS A    7  5                                   6    
HELIX    2   2 GLY A   10  ASP A   28  1                                  19    
HELIX    3   3 ASP A   28  ALA A   36  1                                   9    
HELIX    4   4 ASP A   39  GLY A   56  1                                  18    
HELIX    5   5 GLY A   63  HIS A   77  1                                  15    
HELIX    6   6 ASN A   80  GLY A   99  1                                  20    
HELIX    7   7 PRO A  101  ALA A  114  1                                  14    
HELIX    8   8 ALA A  114  ASN A  123  1                                  10    
CRYST1    1.000    1.000    1.000  90.00  90.00  90.00 P 1           1          
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      1.000000  0.000000  0.000000        0.00000                         
SCALE2      0.000000  1.000000  0.000000        0.00000                         
SCALE3      0.000000  0.000000  1.000000        0.00000                         
MODEL        1