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Database: PDB
Entry: 2HNB
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Original site: 2HNB 
HEADER    ELECTRON TRANSPORT                      12-JUL-06   2HNB              
TITLE     SOLUTION STRUCTURE OF A BACTERIAL HOLO-FLAVODOXIN                     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN MIOC;                                              
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: FLAVODOXIN;                                                 
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PET21A(+)                                 
KEYWDS    ALPHA-BETA SANDWICH, FLAVODOXIN FOLD, ELECTRON TRANSPORT              
EXPDTA    SOLUTION NMR                                                          
NUMMDL    21                                                                    
MDLTYP    MINIMIZED AVERAGE                                                     
AUTHOR    Y.HU,C.JIN                                                            
REVDAT   5   09-MAR-22 2HNB    1       REMARK                                   
REVDAT   4   24-FEB-09 2HNB    1       VERSN                                    
REVDAT   3   15-MAY-07 2HNB    3       ATOM                                     
REVDAT   2   15-MAY-07 2HNB    1       JRNL                                     
REVDAT   1   19-SEP-06 2HNB    0                                                
JRNL        AUTH   Y.HU,Y.LI,X.ZHANG,X.GUO,B.XIA,C.JIN                          
JRNL        TITL   SOLUTION STRUCTURES AND BACKBONE DYNAMICS OF A FLAVODOXIN    
JRNL        TITL 2 MIOC FROM ESCHERICHIA COLI IN BOTH APO- AND HOLO-FORMS:      
JRNL        TITL 3 IMPLICATIONS FOR COFACTOR BINDING AND ELECTRON TRANSFER      
JRNL        REF    J.BIOL.CHEM.                  V. 281 35454 2006              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   16963438                                                     
JRNL        DOI    10.1074/JBC.M607336200                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : XWINNMR 3.5, AMBER 7.0                               
REMARK   3   AUTHORS     : BRUKER (XWINNMR), CASE, D. (AMBER)                   
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2HNB COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 14-JUL-06.                  
REMARK 100 THE DEPOSITION ID IS D_1000038540.                                   
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 298                                
REMARK 210  PH                             : 7.0                                
REMARK 210  IONIC STRENGTH                 : 30MM NACL, 30MM SODIUM PHOSPHATE   
REMARK 210  PRESSURE                       : AMBIENT                            
REMARK 210  SAMPLE CONTENTS                : 1MM HOLO-FLAVODOXIN U-15N; 30MM    
REMARK 210                                   PHOSPHATE BUFFER NA; 30MM NACL;    
REMARK 210                                   50MM FMN; 90% H2O, 10% D2O; 1MM    
REMARK 210                                   HOLO-FLAVODOXIN U-15N,13C; 30MM    
REMARK 210                                   PHOSPHATE BUFFER NA; 30MM NACL;    
REMARK 210                                   50MM FMN; 90% H2O, 10% D2O         
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : 3D_15N-SEPARATED_NOESY; 3D_13C     
REMARK 210                                   -SEPARATED_NOESY                   
REMARK 210  SPECTROMETER FIELD STRENGTH    : 500 MHZ; 800 MHZ                   
REMARK 210  SPECTROMETER MODEL             : AVANCE                             
REMARK 210  SPECTROMETER MANUFACTURER      : BRUKER                             
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : NMRPIPE 2.1, NMRVIEW 5, CYANA      
REMARK 210                                   2.0                                
REMARK 210   METHOD USED                   : MOLECULAR DYNAMICS, SIMULATED      
REMARK 210                                   ANNEALING                          
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : 100                                
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 21                                 
REMARK 210 CONFORMERS, SELECTION CRITERIA  : STRUCTURES WITH THE LOWEST         
REMARK 210                                   ENERGY                             
REMARK 210                                                                      
REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1                   
REMARK 210                                                                      
REMARK 210 REMARK: NULL                                                         
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 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: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
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                                             
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   OD1  ASP A    79     HG   SER A    81              1.55            
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  1 GLU A  20   OE1 -  CD  -  OE2 ANGL. DEV. = -45.3 DEGREES          
REMARK 500  1 GLU A  20   CG  -  CD  -  OE1 ANGL. DEV. =  43.5 DEGREES          
REMARK 500  1 GLU A  20   CG  -  CD  -  OE2 ANGL. DEV. = -34.5 DEGREES          
REMARK 500  1 ASP A  64   OD1 -  CG  -  OD2 ANGL. DEV. = -45.0 DEGREES          
REMARK 500  1 ASP A  64   CB  -  CG  -  OD1 ANGL. DEV. =  43.2 DEGREES          
REMARK 500  1 ASP A  64   CB  -  CG  -  OD2 ANGL. DEV. = -35.1 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  1 GLU A  42        2.10    -66.35                                   
REMARK 500  1 LYS A  77       62.82     26.73                                   
REMARK 500  1 SER A  81       10.80    -63.96                                   
REMARK 500  1 PHE A  98       64.27   -153.04                                   
REMARK 500  1 ILE A 130      129.46     51.72                                   
REMARK 500  1 GLU A 132      -13.57   -148.31                                   
REMARK 500  2 LYS A  77       66.11     37.74                                   
REMARK 500  2 SER A  81       18.62    -61.58                                   
REMARK 500  2 THR A  97       51.15   -119.32                                   
REMARK 500  2 ASP A 133       72.02   -152.87                                   
REMARK 500  3 LYS A  77       64.30     27.31                                   
REMARK 500  3 LEU A  80       34.98    -74.66                                   
REMARK 500  3 SER A  81       23.42    -61.75                                   
REMARK 500  3 PHE A  98       83.36    -67.52                                   
REMARK 500  3 ASP A 127     -130.54   -149.71                                   
REMARK 500  3 GLU A 132      -16.32   -155.51                                   
REMARK 500  4 THR A  35       73.15   -108.81                                   
REMARK 500  4 LYS A  77       57.22     30.53                                   
REMARK 500  4 SER A  81       19.97    -63.31                                   
REMARK 500  4 SER A  92      140.92    115.01                                   
REMARK 500  4 ARG A  93        0.84    -67.81                                   
REMARK 500  4 ASP A 127      -54.14   -144.82                                   
REMARK 500  4 PRO A 131      170.57    -57.55                                   
REMARK 500  5 ASP A  96      -16.31     66.57                                   
REMARK 500  5 THR A  97      171.66     59.78                                   
REMARK 500  5 ILE A 102      -34.10   -141.15                                   
REMARK 500  5 ASP A 127      -42.18   -153.03                                   
REMARK 500  5 ILE A 130       52.83     35.61                                   
REMARK 500  5 ASP A 133       65.50   -152.82                                   
REMARK 500  6 LEU A  12      -30.29   -140.57                                   
REMARK 500  6 HIS A  57       19.61     45.08                                   
REMARK 500  6 ALA A  59       -9.09   -147.82                                   
REMARK 500  6 LYS A  77       60.54     39.71                                   
REMARK 500  6 SER A  81       10.95    -51.57                                   
REMARK 500  6 ASP A 127       -7.39   -142.68                                   
REMARK 500  6 GLU A 132       24.32    -70.95                                   
REMARK 500  7 THR A  11      -41.40   -133.42                                   
REMARK 500  7 SER A  81       20.00    -61.00                                   
REMARK 500  7 ASP A  96      -47.06   -162.87                                   
REMARK 500  7 HIS A 128       34.84   -159.76                                   
REMARK 500  7 ASP A 129      -25.16     67.87                                   
REMARK 500  8 ALA A  46        4.67    -69.71                                   
REMARK 500  8 LYS A  77       57.92     31.00                                   
REMARK 500  8 SER A  81        4.67    -57.87                                   
REMARK 500  8 ASP A  96      -49.02   -171.61                                   
REMARK 500  8 ASP A 129       12.77   -143.17                                   
REMARK 500  8 ILE A 130       56.51     34.91                                   
REMARK 500  8 ASP A 133       57.89     37.94                                   
REMARK 500  9 HIS A  37       99.96    -69.29                                   
REMARK 500  9 LYS A  77       59.06     36.55                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     144 RAMACHANDRAN OUTLIERS.                        
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                         
REMARK 500                                                                      
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH          
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED           
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND               
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                  
REMARK 500                                 MODEL     OMEGA                      
REMARK 500 THR A   97     PHE A   98          1      -129.44                    
REMARK 500 ASP A  129     ILE A  130          1      -140.88                    
REMARK 500 PRO A  131     GLU A  132          1      -141.29                    
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2HNA   RELATED DB: PDB                                   
REMARK 900 APO-FORM OF THE SAME PROTEIN                                         
DBREF  2HNB A    1   147  UNP    P03817   MIOC_ECOLI       1    147             
SEQRES   1 A  147  MET ALA ASP ILE THR LEU ILE SER GLY SER THR LEU GLY          
SEQRES   2 A  147  GLY ALA GLU TYR VAL ALA GLU HIS LEU ALA GLU LYS LEU          
SEQRES   3 A  147  GLU GLU ALA GLY PHE THR THR GLU THR LEU HIS GLY PRO          
SEQRES   4 A  147  LEU LEU GLU ASP LEU PRO ALA SER GLY ILE TRP LEU VAL          
SEQRES   5 A  147  ILE SER SER THR HIS GLY ALA GLY ASP ILE PRO ASP ASN          
SEQRES   6 A  147  LEU SER PRO PHE TYR GLU ALA LEU GLN GLU GLN LYS PRO          
SEQRES   7 A  147  ASP LEU SER ALA VAL ARG PHE GLY ALA ILE GLY ILE GLY          
SEQRES   8 A  147  SER ARG GLU TYR ASP THR PHE CYS GLY ALA ILE ASP LYS          
SEQRES   9 A  147  LEU GLU ALA GLU LEU LYS ASN SER GLY ALA LYS GLN THR          
SEQRES  10 A  147  GLY GLU THR LEU LYS ILE ASN ILE LEU ASP HIS ASP ILE          
SEQRES  11 A  147  PRO GLU ASP PRO ALA GLU GLU TRP LEU GLY SER TRP VAL          
SEQRES  12 A  147  ASN LEU LEU LYS                                              
HELIX    1   1 GLY A   13  GLY A   30  1                                  18    
HELIX    2   2 LEU A   40  LEU A   44  5                                   5    
HELIX    3   3 SER A   67  LYS A   77  1                                  11    
HELIX    4   4 GLY A  100  GLY A  113  1                                  14    
HELIX    5   5 PRO A  134  LYS A  147  1                                  14    
SHEET    1   A 5 THR A  33  HIS A  37  0                                        
SHEET    2   A 5 ILE A   4  SER A   8  1  N  LEU A   6   O  GLU A  34           
SHEET    3   A 5 SER A  47  SER A  55  1  O  LEU A  51   N  ILE A   7           
SHEET    4   A 5 ALA A  82  GLY A  91  1  O  ARG A  84   N  GLY A  48           
SHEET    5   A 5 LYS A 115  GLN A 116  1  O  LYS A 115   N  VAL A  83           
SHEET    1   B 5 THR A  33  HIS A  37  0                                        
SHEET    2   B 5 ILE A   4  SER A   8  1  N  LEU A   6   O  GLU A  34           
SHEET    3   B 5 SER A  47  SER A  55  1  O  LEU A  51   N  ILE A   7           
SHEET    4   B 5 ALA A  82  GLY A  91  1  O  ARG A  84   N  GLY A  48           
SHEET    5   B 5 LEU A 121  ASN A 124  1  O  LEU A 121   N  GLY A  89           
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                                                                  
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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