HEADER    TOXIN                                   01-JUN-16   2NDI              
TITLE     SOLUTION STRUCTURE OF THE TOXIN ISTX-I FROM IXODES SCAPULARIS         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PUTATIVE SECRETED SALIVARY PROTEIN;                        
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: UNP RESIDUES 42-86;                                        
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: IXODES SCAPULARIS;                              
SOURCE   3 ORGANISM_COMMON: BLACKLEGGED TICK,DEER TICK,SHOULDER TICK;           
SOURCE   4 ORGANISM_TAXID: 6945;                                                
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: VECTOR;                               
SOURCE   8 EXPRESSION_SYSTEM_VECTOR: PET-32A (+)                                
KEYWDS    TOXIN PEPTIDE, TOXIN                                                  
EXPDTA    SOLUTION NMR                                                          
NUMMDL    20                                                                    
MDLTYP    MINIMIZED AVERAGE                                                     
AUTHOR    K.HU                                                                  
REVDAT   3   30-OCT-24 2NDI    1       REMARK                                   
REVDAT   2   14-JUN-23 2NDI    1       REMARK SEQADV                            
REVDAT   1   07-JUN-17 2NDI    0                                                
JRNL        AUTH   M.RONG,J.LIU,M.ZHANG,G.WANG,G.ZHAO,G.WANG,Y.ZHANG,K.HU,R.LAI 
JRNL        TITL   A SODIUM CHANNEL INHIBITOR ISTX-I WITH A NOVEL STRUCTURE     
JRNL        TITL 2 PROVIDES A NEW HINT AT THE EVOLUTIONARY LINK BETWEEN TWO     
JRNL        TITL 3 TOXIN FOLDS.                                                 
JRNL        REF    SCI REP                       V.   6 29691 2016              
JRNL        REFN                   ESSN 2045-2322                               
JRNL        PMID   27407029                                                     
JRNL        DOI    10.1038/SREP29691                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR NIH                                           
REMARK   3   AUTHORS     : SCHWIETERS, KUSZEWSKI, TJANDRA AND CLORE             
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2NDI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 07-JUN-16.                  
REMARK 100 THE DEPOSITION ID IS D_1000104728.                                   
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 298                                
REMARK 210  PH                             : 5.7                                
REMARK 210  IONIC STRENGTH                 : 0.02                               
REMARK 210  PRESSURE                       : AMBIENT                            
REMARK 210  SAMPLE CONTENTS                : 1MM ISTX-I-1, 8MM ISTX-I-2, 10MM   
REMARK 210                                   MES-3, 20MM SODIUM CHLORIDE-4,     
REMARK 210                                   90% H2O/10% D2O                    
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : 2D 1H-13C HSQC; 2D 1H-1H NOESY;    
REMARK 210                                   2D TOCSY-HSQC                      
REMARK 210  SPECTROMETER FIELD STRENGTH    : 800 MHZ                            
REMARK 210  SPECTROMETER MODEL             : AVANCE                             
REMARK 210  SPECTROMETER MANUFACTURER      : BRUKER                             
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : X-PLOR NIH                         
REMARK 210   METHOD USED                   : SIMULATED ANNEALING                
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : 200                                
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 20                                 
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                                                                      
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 VAL A  19      117.64    179.53                                   
REMARK 500  1 CYS A  29      137.55   -175.14                                   
REMARK 500  2 VAL A  19      118.34    179.27                                   
REMARK 500  2 PHE A  20      -64.06    -98.13                                   
REMARK 500  2 CYS A  29      116.26   -172.09                                   
REMARK 500  2 THR A  33       89.44   -151.03                                   
REMARK 500  2 THR A  37     -145.93   -129.50                                   
REMARK 500  3 VAL A  19      119.57    177.04                                   
REMARK 500  3 PHE A  20      -65.94    -98.16                                   
REMARK 500  3 CYS A  29      101.56   -171.92                                   
REMARK 500  3 THR A  33       84.27   -154.16                                   
REMARK 500  3 CYS A  39      160.23    -43.55                                   
REMARK 500  4 VAL A  19      116.64   -178.33                                   
REMARK 500  4 CYS A  29      116.99   -173.65                                   
REMARK 500  4 THR A  33       82.68   -153.01                                   
REMARK 500  5 VAL A  19      119.25    177.00                                   
REMARK 500  5 PHE A  20      -94.19    -93.61                                   
REMARK 500  5 CYS A  29      116.22   -172.86                                   
REMARK 500  5 THR A  33       88.85   -151.31                                   
REMARK 500  5 THR A  37     -144.84   -133.36                                   
REMARK 500  6 ASP A   8      -76.55    -48.29                                   
REMARK 500  6 VAL A  19      117.02   -179.05                                   
REMARK 500  6 PHE A  20      -63.85   -100.89                                   
REMARK 500  6 CYS A  29      117.62   -175.01                                   
REMARK 500  6 THR A  33       89.70   -152.96                                   
REMARK 500  7 VAL A  19      117.02    178.07                                   
REMARK 500  7 THR A  33       45.20    -78.40                                   
REMARK 500  7 THR A  37     -150.28   -133.98                                   
REMARK 500  8 VAL A  19      118.39    176.18                                   
REMARK 500  8 PHE A  20      -63.18    -98.03                                   
REMARK 500  8 CYS A  29      128.35   -176.24                                   
REMARK 500  8 ILE A  45      153.79    -43.48                                   
REMARK 500  9 VAL A  19      119.25    178.09                                   
REMARK 500  9 PHE A  20      -95.01    -94.42                                   
REMARK 500  9 CYS A  29      130.86   -175.42                                   
REMARK 500 10 SER A   4      -33.13     76.20                                   
REMARK 500 10 VAL A  19      119.56    176.38                                   
REMARK 500 10 PHE A  20      -94.39    -95.24                                   
REMARK 500 10 CYS A  29      134.85   -170.60                                   
REMARK 500 11 SER A   4      -36.42     74.18                                   
REMARK 500 11 VAL A  19      118.92    178.67                                   
REMARK 500 11 PHE A  20      -92.07    -98.40                                   
REMARK 500 11 THR A  33       84.90   -150.19                                   
REMARK 500 12 SER A   4      -34.68     75.53                                   
REMARK 500 12 VAL A  19      116.91    179.32                                   
REMARK 500 12 PHE A  20      -92.63    -73.77                                   
REMARK 500 12 GLU A  21      -65.26    -90.22                                   
REMARK 500 12 CYS A  29      129.91   -170.58                                   
REMARK 500 12 THR A  33       85.08   -151.43                                   
REMARK 500 13 VAL A  19      117.28    178.38                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      87 RAMACHANDRAN OUTLIERS.                        
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 26062   RELATED DB: BMRB                                 
DBREF  2NDI A    2    46  UNP    Q4PN35   Q4PN35_IXOSC    42     86             
SEQADV 2NDI GLY A    1  UNP  Q4PN35              EXPRESSION TAG                 
SEQRES   1 A   46  GLY LEU CYS SER GLU ASN GLY ASP CYS ALA ALA ASP GLU          
SEQRES   2 A   46  CYS CYS VAL ASP THR VAL PHE GLU GLY ASP MET VAL THR          
SEQRES   3 A   46  ARG SER CYS GLU LYS THR THR GLY ASN PHE THR GLU CYS          
SEQRES   4 A   46  PRO GLY LEU THR PRO ILE ALA                                  
SHEET    1   A 2 CYS A  14  THR A  18  0                                        
SHEET    2   A 2 THR A  26  GLU A  30 -1  O  THR A  26   N  THR A  18           
SSBOND   1 CYS A    3    CYS A   15                          1555   1555  2.02  
SSBOND   2 CYS A    9    CYS A   29                          1555   1555  2.01  
SSBOND   3 CYS A   14    CYS A   39                          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                         
MODEL        1