PDB Short entry for 1I25
HEADER    TOXIN                                   06-FEB-01   1I25              
TITLE     THREE DIMENSIONAL SOLUTION STRUCTURE OF HUWENTOXIN-II BY 2D 1H-NMR    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HUWENTOXIN-II;                                             
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: HWTX-II                                                     
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ORNITHOCTONUS HUWENA;                           
SOURCE   3 ORGANISM_COMMON: CHINESE EARTH TIGER;                                
SOURCE   4 ORGANISM_TAXID: 29017;                                               
SOURCE   5 ORGAN: VENOM GLAND;                                                  
SOURCE   6 OTHER_DETAILS: VENOM                                                 
KEYWDS    NEUROTOXIN, INSECTICIDAL TOXIN, DISULFIDE BONDS, TOXIN                
EXPDTA    SOLUTION NMR                                                          
NUMMDL    10                                                                    
AUTHOR    Q.SHU,S.Y.LU,X.C.GU,S.P.LIANG                                         
REVDAT   4   29-NOV-17 1I25    1       REMARK HELIX                             
REVDAT   3   24-FEB-09 1I25    1       VERSN                                    
REVDAT   2   05-APR-05 1I25    1       JRNL                                     
REVDAT   1   14-FEB-01 1I25    0                                                
JRNL        AUTH   Q.SHU,S.Y.LU,X.C.GU,S.P.LIANG                                
JRNL        TITL   THE STRUCTURE OF SPIDER TOXIN HUWENTOXIN-II WITH UNIQUE      
JRNL        TITL 2 DISULFIDE LINKAGE: EVIDENCE FOR STRUCTURAL EVOLUTION.        
JRNL        REF    PROTEIN SCI.                  V.  11   245 2002              
JRNL        REFN                   ISSN 0961-8368                               
JRNL        PMID   11790834                                                     
JRNL        DOI    10.1110/PS.30502                                             
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   Q.SHU,S.Y.LU,X.C.GU,S.P.LIANG                                
REMARK   1  TITL   SEQUENCE-SPECIFIC ASSIGNMENT OF 1H-NMR RESONANCE AND         
REMARK   1  TITL 2 DETERMINATION OF THE SECONDARY STRUCTURE OF HWTX-II          
REMARK   1  REF    ACTA BIOCHIM.BIOPHYS.SINICA   V.  33    65 2001              
REMARK   1  REFN                   ISSN 0582-9879                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   Q.SHU,R.H.HUANG,S.P.LIANG                                    
REMARK   1  TITL   ASSIGNMENT OF DISULFIDE BONDS OF HUWENTOXIN-II BY EDMAN      
REMARK   1  TITL 2 DEGRADATION SEQUENCING AND STEPWISE THIOL MODIFICATION       
REMARK   1  REF    TO BE PUBLISHED                                              
REMARK   1  REFN                                                                
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   Q.SHU,S.P.LIANG                                              
REMARK   1  TITL   PURIFICATION AND CHARACTERIZATION OF HUWENTOXIN-II, A        
REMARK   1  TITL 2 NEUROTOXIC PEPTIDE FROM THE VENOM OF THE CHINESE BIRD SPIDER 
REMARK   1  TITL 3 SELENOCOSMIA HUWENA                                          
REMARK   1  REF    J.PEPT.RES.                   V.  53   486 1999              
REMARK   1  REFN                   ISSN 1397-002X                               
REMARK   1  DOI    10.1034/J.1399-3011.1999.00039.X                             
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : FELIX 98.0, X-PLOR 3.851                             
REMARK   3   AUTHORS     : MOLECULAR SIMULATIONS, INC. (FELIX), BRUNGER (X      
REMARK   3                 -PLOR)                                               
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: THE STRUCTURES ARE BASED ON 592 NOE       
REMARK   3  -DERIVED DISTANCE CONSTRAINTS, 16 DIHEDRAL ANGEL RESTRAINTS AND     
REMARK   3  9 FAKE DISTANCE RESTRAINTS FROM DISULFIDE BONDS.                    
REMARK   4                                                                      
REMARK   4 1I25 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-FEB-01.                  
REMARK 100 THE DEPOSITION ID IS D_1000012808.                                   
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 300; 290                           
REMARK 210  PH                             : 5.4; 5.4                           
REMARK 210  IONIC STRENGTH                 : 20; NULL                           
REMARK 210  PRESSURE                       : 1 ATM; 1 ATM                       
REMARK 210  SAMPLE CONTENTS                : 4 MM HUWENTOXIN-II; 20 MMOL/L      
REMARK 210                                   PHOSPHATE BUFFER; 90%H2O , 10%     
REMARK 210                                   D2O; 4 MM HUWENTOXIN-II; 20 MMOL/  
REMARK 210                                   L PHOSPHATE BUFFER; 100%D2O        
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : NOESY; DQF-COSY; TOCSY; E-COSY     
REMARK 210  SPECTROMETER FIELD STRENGTH    : 500 MHZ                            
REMARK 210  SPECTROMETER MODEL             : DMX                                
REMARK 210  SPECTROMETER MANUFACTURER      : BRUKER                             
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : NULL                               
REMARK 210   METHOD USED                   : SIMULATED ANNEALING                
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : 50                                 
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 10                                 
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: THIS STRUCTURE WAS DETERMINED USING STANDARD 2D              
REMARK 210  HOMONUCLEAR TECHNIQUES.                                             
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: 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  11       42.56    -91.93                                   
REMARK 500  1 LYS A  30     -148.07   -102.77                                   
REMARK 500  1 ASN A  32       32.87   -142.27                                   
REMARK 500  2 MET A  33     -166.36   -161.14                                   
REMARK 500  3 GLU A  11       49.09    -89.48                                   
REMARK 500  3 LYS A  30     -152.75    -88.39                                   
REMARK 500  3 ASN A  32       36.54   -146.48                                   
REMARK 500  4 LYS A  30     -155.86    -80.86                                   
REMARK 500  5 PHE A   6      -45.54   -147.14                                   
REMARK 500  5 GLU A  11       32.47    -92.52                                   
REMARK 500  5 LYS A  30     -152.58    -92.95                                   
REMARK 500  5 ASN A  32       30.95   -149.66                                   
REMARK 500  6 GLU A  11       48.59   -103.29                                   
REMARK 500  6 ASP A  15       46.17   -140.09                                   
REMARK 500  6 LYS A  30     -153.19    -83.43                                   
REMARK 500  6 ASN A  32       33.35   -152.47                                   
REMARK 500  7 GLU A  11       40.07    -97.71                                   
REMARK 500  7 LYS A  30     -147.54    -92.42                                   
REMARK 500  7 ASN A  32       37.67   -143.11                                   
REMARK 500  8 CYS A  23     -167.49   -101.83                                   
REMARK 500  8 LYS A  30     -118.08    -92.37                                   
REMARK 500  8 ASN A  32       39.26   -146.99                                   
REMARK 500  9 LYS A  30     -147.97   -104.59                                   
REMARK 500  9 ASN A  32       33.96   -148.97                                   
REMARK 500 10 PHE A   2     -138.82    -89.98                                   
REMARK 500 10 GLU A  11       37.02    -92.65                                   
REMARK 500 10 GLU A  13       38.86    -98.31                                   
REMARK 500 10 LYS A  30     -148.47   -106.62                                   
REMARK 500 10 ASN A  32       39.08   -154.14                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 750                                                                      
REMARK 750 TURN                                                                 
REMARK 750 DETERMINATION METHOD: AUTHOR-DETERMINED                              
DBREF  1I25 A    1    37  UNP    P82959   TXH21_ORNHU     49     85             
SEQRES   1 A   37  LEU PHE GLU CYS SER PHE SER CYS GLU ILE GLU LYS GLU          
SEQRES   2 A   37  GLY ASP LYS PRO CYS LYS LYS LYS LYS CYS LYS GLY GLY          
SEQRES   3 A   37  TRP LYS CYS LYS PHE ASN MET CYS VAL LYS VAL                  
SHEET    1   A 2 TRP A  27  CYS A  29  0                                        
SHEET    2   A 2 CYS A  34  LYS A  36 -1  O  VAL A  35   N  LYS A  28           
SSBOND   1 CYS A    4    CYS A   18                          1555   1555  2.02  
SSBOND   2 CYS A    8    CYS A   29                          1555   1555  2.02  
SSBOND   3 CYS A   23    CYS A   34                          1555   1555  2.02  
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