HEADER    METAL BINDING PROTEIN                   29-JUL-01   1IQS              
TITLE     MINIMIZED AVERAGE STRUCTURE OF MTH1880 FROM METHANOBACTERIUM          
TITLE    2 THERMOAUTOTROPHICUM                                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: MTH1880;                                                   
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: CONSERVED PROTEIN;                                          
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: METHANOTHERMOBACTER THERMAUTOTROPHICUS;         
SOURCE   3 ORGANISM_TAXID: 145262;                                              
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3) PLYSS;                           
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PET13B                                    
KEYWDS    ALPHA-BETA, ANTI-PARALLEL, METAL BINDING PROTEIN                      
EXPDTA    SOLUTION NMR                                                          
MDLTYP    MINIMIZED AVERAGE                                                     
AUTHOR    C.H.LEE,J.SHIN,E.BANG,J.W.JUNG,A.YEE,C.H.ARROWSMITH,W.LEE             
REVDAT   5   27-DEC-23 1IQS    1       REMARK                                   
REVDAT   4   10-NOV-21 1IQS    1       REMARK SEQADV                            
REVDAT   3   24-FEB-09 1IQS    1       VERSN                                    
REVDAT   2   14-JAN-03 1IQS    1       REMARK                                   
REVDAT   1   29-JUL-02 1IQS    0                                                
JRNL        AUTH   C.H.LEE,J.W.JUNG,A.YEE,C.H.ARROWSMITH,W.LEE                  
JRNL        TITL   SOLUTION STRUCTURE OF A NOVEL CALCIUM BINDING PROTEIN,       
JRNL        TITL 2 MTH1880, FROM METHANOBACTERIUM THERMOAUTOTROPHICUM.          
JRNL        REF    PROTEIN SCI.                  V.  13  1148 2004              
JRNL        REFN                   ISSN 0961-8368                               
JRNL        PMID   15044740                                                     
JRNL        DOI    10.1110/PS.03472104                                          
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : XWINNMR 2.6, CNS 1.0                                 
REMARK   3   AUTHORS     : BRUKER INC. (XWINNMR), BRUNGER (CNS)                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS:                                           
REMARK   3  THE STRUCTURES ARE BASED ON A TOTAL OF 762 RESTRAINTS, 669 ARE NOE- 
REMARK   3  DERIVED                                                             
REMARK   3  DISTANCE CONSTRAINTS, 39 DIHEDRAL ANGLE RESTRAINTS,54 DISTANCE      
REMARK   3  RESTRAINTS                                                          
REMARK   3  FROM HYDROGEN BONDS.                                                
REMARK   4                                                                      
REMARK   4 1IQS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 01-AUG-01.                  
REMARK 100 THE DEPOSITION ID IS D_1000005192.                                   
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 298                                
REMARK 210  PH                             : 7.6                                
REMARK 210  IONIC STRENGTH                 : NULL                               
REMARK 210  PRESSURE                       : AMBIENT                            
REMARK 210  SAMPLE CONTENTS                : 2MM MTH1880 U-15N,13C; 25MM        
REMARK 210                                   PHOSPHATE BUFFER, 300MM NACL; 90%  
REMARK 210                                   H2O, 10% D2O; 2MM MTH1880 U-15N;   
REMARK 210                                   25MM PHOSPHATE BUFFER, 300MM       
REMARK 210                                   NACL; 90% H2O, 10% D2O; 1MM        
REMARK 210                                   MTH1880 U-15N; 25MM PHOSPHATE      
REMARK 210                                   BUFFER, 300MM NACL; 100% D2O       
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : 3D_13C-SEPARATED_NOESY; 3D_15N     
REMARK 210                                   -SEPARATED_NOESY; HNHA; 2D_15N     
REMARK 210                                   HSQC FOR H/D EXCHANGE              
REMARK 210  SPECTROMETER FIELD STRENGTH    : 500 MHZ                            
REMARK 210  SPECTROMETER MODEL             : DRX; INOVA                         
REMARK 210  SPECTROMETER MANUFACTURER      : BRUKER; VARIAN                     
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : VNMR 6.1B, NMRPIPE 1.8, SPARKY     
REMARK 210                                   3.98, INSIGHT II 2000, MOLMOL      
REMARK 210                                   2.6.0                              
REMARK 210   METHOD USED                   : DISTANCE GEOMETRY SIMULATED        
REMARK 210                                   ANNEALING MOLECULAR DYNAMICS       
REMARK 210                                   MATRIX RELAXATION TORSION ANGLE    
REMARK 210                                   DYNAMICS                           
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : 1                                  
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 1                                  
REMARK 210 CONFORMERS, SELECTION CRITERIA  : THIS MODEL IS THE MINIMIZED        
REMARK 210                                   AVERAGE STRUCTURE FROM 20          
REMARK 210                                   STRUCTURES WITH THE LOWEST ENERGY  
REMARK 210                                                                      
REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1                   
REMARK 210                                                                      
REMARK 210 REMARK: THE STRUCTURE WAS DETERMINED USING TRIPLE-RESONANCE NMR      
REMARK 210  SPECTROSCOPY.                                                       
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   HZ2  LYS A    13     O    SER A    35              1.59            
REMARK 500   O    ASP A    63     H    LYS A    67              1.60            
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   4       93.00    -51.59                                   
REMARK 500    LEU A  12     -149.14     48.89                                   
REMARK 500    PRO A  16       56.41    -69.04                                   
REMARK 500    PHE A  19      -90.33   -170.31                                   
REMARK 500    ASP A  24      -31.28    -36.75                                   
REMARK 500    GLU A  30       46.93   -175.51                                   
REMARK 500    LYS A  32      -73.49    -51.44                                   
REMARK 500    LYS A  33      147.88    159.72                                   
REMARK 500    LEU A  34       70.11   -118.09                                   
REMARK 500    ASP A  38      132.20    -37.15                                   
REMARK 500    ILE A  45       69.95   -159.90                                   
REMARK 500    LYS A  46       34.32     37.38                                   
REMARK 500    THR A  48      -56.01     75.96                                   
REMARK 500    GLN A  49       56.05    172.25                                   
REMARK 500    SER A  50     -160.08   -175.50                                   
REMARK 500    ASN A  60      -88.67    -94.48                                   
REMARK 500    SER A  61       59.32    168.80                                   
REMARK 500    ASP A  63      -39.06    -37.29                                   
REMARK 500    LEU A  69      -71.69    -52.95                                   
REMARK 500    GLU A  70      -30.57    -38.16                                   
REMARK 500    ALA A  74       12.92   -143.34                                   
REMARK 500    LYS A  75     -154.11    -98.94                                   
REMARK 500    ILE A  76      140.36    -36.08                                   
REMARK 500    THR A  80       12.14   -142.25                                   
REMARK 500    LEU A  81       30.27     37.92                                   
REMARK 500    HIS A  87       41.37   -153.67                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1IQO   RELATED DB: PDB                                   
REMARK 900 1IQO CONTAINS SAME PROTEIN (20 STRUCTURES OF MTH1880)                
DBREF  1IQS A    1    88  UNP    O27908   O27908_METTH     1     88             
SEQADV 1IQS LEU A    1  UNP  O27908    MET     1 ENGINEERED MUTATION            
SEQRES   1 A   88  LEU PHE ILE ALA THR LEU LYS GLY ILE PHE THR LEU LYS          
SEQRES   2 A   88  ASP LEU PRO GLU GLU PHE ARG PRO PHE VAL ASP TYR LYS          
SEQRES   3 A   88  ALA GLY LEU GLU LYS LYS LYS LEU SER ASP ASP ASP GLU          
SEQRES   4 A   88  ILE ALA ILE ILE SER ILE LYS GLY THR GLN SER ASN HIS          
SEQRES   5 A   88  VAL LEU PHE LEU SER SER TYR ASN SER VAL ASP GLU ILE          
SEQRES   6 A   88  ARG LYS GLU LEU GLU GLU ALA GLY ALA LYS ILE ASN HIS          
SEQRES   7 A   88  THR THR LEU LYS ILE LEU GLU GLY HIS LEU                      
HELIX    1   1 VAL A   23  LEU A   29  1                                   7    
HELIX    2   2 VAL A   62  LYS A   75  1                                  14    
HELIX    3   3 LEU A   81  LEU A   88  1                                   8    
SHEET    1   A 3 LEU A   6  THR A  11  0                                        
SHEET    2   A 3 GLU A  39  SER A  44 -1  N  ILE A  40   O  PHE A  10           
SHEET    3   A 3 ASN A  51  PHE A  55 -1  N  HIS A  52   O  ILE A  43           
CRYST1                                                               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