HEADER    TOXIN                                   07-MAY-00   1EYO              
TITLE     SOLUTION STRUCTURE OF CONOTOXIN TVIIA FROM CONUS TULIPA               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CONOTOXIN TVIIA;                                           
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 OTHER_DETAILS: THIS PEPTIDE WAS CHEMICALLY SYNTHESIZED. THIS         
SOURCE   4 SEQUENCE OCCURS NATURALLY IN CONUS TULIPA (TULIP CONE)               
KEYWDS    CYSTINE KNOT MOTIF, TOXIN                                             
EXPDTA    SOLUTION NMR                                                          
NUMMDL    20                                                                    
AUTHOR    J.M.HILL,P.F.ALEWOOD,D.J.CRAIK                                        
REVDAT   3   16-FEB-22 1EYO    1       REMARK LINK                              
REVDAT   2   24-FEB-09 1EYO    1       VERSN                                    
REVDAT   1   06-SEP-00 1EYO    0                                                
JRNL        AUTH   J.M.HILL,P.F.ALEWOOD,D.J.CRAIK                               
JRNL        TITL   CONOTOXIN TVIIA, A NOVEL PEPTIDE FROM THE VENOM OF CONUS     
JRNL        TITL 2 TULIPA 2. THREE-DIMENSIONAL SOLUTION STRUCTURE.              
JRNL        REF    EUR.J.BIOCHEM.                V. 267  4649 2000              
JRNL        REFN                   ISSN 0014-2956                               
JRNL        PMID   10903497                                                     
JRNL        DOI    10.1046/J.1432-1327.2000.01507.X                             
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   J.M.HILL,A.R.ATKINS,M.L.LOUGHNAN,A.JONES,D.A.ADAMS,R.MARTIN, 
REMARK   1  AUTH 2 R.J.LEWIS,D.J.CRAIK,P.F.ALEWOOD                              
REMARK   1  TITL   CONOTOXIN TVIIA, A NOVEL PEPTIDE FROM THE VENOM OF CONUS     
REMARK   1  TITL 2 TULIPA 1. ISOLATION, CHARACTERISATION AND CHEMICAL SYNTHESIS 
REMARK   1  REF    EUR.J.BIOCHEM.                V. 267  4642 2000              
REMARK   1  REFN                   ISSN 0014-2956                               
REMARK   1  DOI    10.1046/J.1432-1327.2000.01508.X                             
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   J.M.HILL,P.F.ALEWOOD,D.J.CRAIK                               
REMARK   1  TITL   SOLUTION STRUCTURE OF THE SODIUM CHANNEL ANTAGONIST          
REMARK   1  TITL 2 CONOTOXIN GS: A NEW MOLECULAR CALIPER FOR PROBING SODIUM     
REMARK   1  TITL 3 CHANNEL GEOMETRY                                             
REMARK   1  REF    STRUCTURE                     V.   5   571 1997              
REMARK   1  REFN                   ISSN 0969-2126                               
REMARK   1  DOI    10.1016/S0969-2126(97)00212-8                                
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.1                                           
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: THE STRUCTURES ARE BASED ON A TOTAL OF    
REMARK   3  562 INTERPROTON DISTANCE RESTRAINTS, AND 18 BACKBONE AND 9 SIDE     
REMARK   3  CHAIN DIHEDRAL ANGLE RESTRAINTS DERIVED FROM SPIN-SPIN COUPLING     
REMARK   3  CONSTANTS.                                                          
REMARK   4                                                                      
REMARK   4 1EYO COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-MAY-00.                  
REMARK 100 THE DEPOSITION ID IS D_1000011033.                                   
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 283                                
REMARK 210  PH                             : 3.0                                
REMARK 210  IONIC STRENGTH                 : 0                                  
REMARK 210  PRESSURE                       : AMBIENT                            
REMARK 210  SAMPLE CONTENTS                : 2MM CONOTOXIN TVIIA                
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : 2D NOESY; DQF-COSY; E-COSY;        
REMARK 210                                   TOCSY                              
REMARK 210  SPECTROMETER FIELD STRENGTH    : 500 MHZ; 750 MHZ                   
REMARK 210  SPECTROMETER MODEL             : ARX; 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    : 20                                 
REMARK 210 CONFORMERS, SELECTION CRITERIA  : STRUCTURES WITH THE LEAST          
REMARK 210                                   RESTRAINT VIOLATIONS,STRUCTURES    
REMARK 210                                   WITH THE LOWEST 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: 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  5 ARG A   5   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.9 DEGREES          
REMARK 500  5 ARG A   8   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.2 DEGREES          
REMARK 500  6 ARG A   8   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.2 DEGREES          
REMARK 500 11 ARG A   5   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.4 DEGREES          
REMARK 500 13 ARG A   5   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.3 DEGREES          
REMARK 500 19 ARG A   5   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.6 DEGREES          
REMARK 500 19 ARG A   8   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.0 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 ARG A   5      125.63    -39.79                                   
REMARK 500  1 ASP A   6       -0.26     79.41                                   
REMARK 500  1 HYP A  11       50.51    -95.00                                   
REMARK 500  1 MET A  18     -140.24   -130.21                                   
REMARK 500  2 ARG A   5      125.73    -39.97                                   
REMARK 500  2 HYP A  11       51.75    -95.29                                   
REMARK 500  2 MET A  18     -132.76   -131.00                                   
REMARK 500  3 ARG A   5      122.01    -39.77                                   
REMARK 500  3 ASP A   6        0.72     81.18                                   
REMARK 500  3 HYP A  11       51.23    -94.72                                   
REMARK 500  3 MET A  18     -133.69   -133.90                                   
REMARK 500  4 CYS A   2      162.95     54.84                                   
REMARK 500  4 ASP A   6       -1.39     82.75                                   
REMARK 500  4 HYP A  11       49.00    -95.07                                   
REMARK 500  4 MET A  18     -131.33   -130.00                                   
REMARK 500  5 ARG A   5      128.11    -39.86                                   
REMARK 500  5 ASP A   6       -5.54     79.24                                   
REMARK 500  5 HYP A  11       47.75    -94.63                                   
REMARK 500  5 CYS A  13      154.49    -49.13                                   
REMARK 500  5 MET A  18     -144.62   -130.10                                   
REMARK 500  5 ARG A  21       -3.70     76.67                                   
REMARK 500  6 ASP A   6       -2.52     86.18                                   
REMARK 500  6 HYP A  11       51.04    -95.53                                   
REMARK 500  6 MET A  18     -128.13   -132.13                                   
REMARK 500  7 ARG A   5      124.61    -39.53                                   
REMARK 500  7 HYP A  11       51.14    -94.88                                   
REMARK 500  7 MET A  18     -132.35   -133.49                                   
REMARK 500  8 ARG A   5      121.93    -39.98                                   
REMARK 500  8 ASP A   6        0.67     81.55                                   
REMARK 500  8 HYP A  11       50.13    -95.01                                   
REMARK 500  8 MET A  18     -136.37   -132.62                                   
REMARK 500  9 ARG A   5      125.63    -39.79                                   
REMARK 500  9 ASP A   6       -0.26     79.41                                   
REMARK 500  9 HYP A  11       50.51    -95.00                                   
REMARK 500  9 MET A  18     -140.24   -130.21                                   
REMARK 500 10 ASP A   6       -9.22     89.57                                   
REMARK 500 10 HYP A  11       49.62    -94.71                                   
REMARK 500 10 MET A  18     -134.69   -128.77                                   
REMARK 500 10 ARG A  21       -1.69     76.98                                   
REMARK 500 11 ASP A   6       -7.71     89.95                                   
REMARK 500 11 HYP A  11       50.96    -95.18                                   
REMARK 500 11 MET A  18     -131.24   -130.25                                   
REMARK 500 11 ARG A  21       -5.75     77.92                                   
REMARK 500 12 ARG A   5      122.88    -39.63                                   
REMARK 500 12 ASP A   6        0.82     80.36                                   
REMARK 500 12 HYP A  11       50.98    -95.28                                   
REMARK 500 12 MET A  18     -133.82   -129.24                                   
REMARK 500 12 ARG A  21       -8.69     79.38                                   
REMARK 500 13 ASP A   6        0.89     81.90                                   
REMARK 500 13 HYP A  11       51.33    -95.47                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      80 RAMACHANDRAN OUTLIERS.                        
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  1EYO A    1    30  UNP    P58923   CX7A_CONTU       1     30             
SEQRES   1 A   30  SER CYS SER GLY ARG ASP SER ARG CYS HYP HYP VAL CYS          
SEQRES   2 A   30  CYS MET GLY LEU MET CYS SER ARG GLY LYS CYS VAL SER          
SEQRES   3 A   30  ILE TYR GLY GLU                                              
MODRES 1EYO HYP A   10  PRO  4-HYDROXYPROLINE                                   
MODRES 1EYO HYP A   11  PRO  4-HYDROXYPROLINE                                   
HET    HYP  A  10      15                                                       
HET    HYP  A  11      15                                                       
HETNAM     HYP 4-HYDROXYPROLINE                                                 
HETSYN     HYP HYDROXYPROLINE                                                   
FORMUL   1  HYP    2(C5 H9 N O3)                                                
SSBOND   1 CYS A    2    CYS A   14                          1555   1555  2.02  
SSBOND   2 CYS A    9    CYS A   19                          1555   1555  2.02  
SSBOND   3 CYS A   13    CYS A   24                          1555   1555  2.02  
LINK         C   CYS A   9                 N   HYP A  10     1555   1555  1.32  
LINK         C   HYP A  10                 N   HYP A  11     1555   1555  1.32  
LINK         C   HYP A  11                 N   VAL A  12     1555   1555  1.30  
CISPEP   1 CYS A    9    HYP A   10          1        -8.16                     
CISPEP   2 HYP A   10    HYP A   11          1        -3.14                     
CISPEP   3 CYS A    9    HYP A   10          2        -7.52                     
CISPEP   4 HYP A   10    HYP A   11          2        -3.15                     
CISPEP   5 CYS A    9    HYP A   10          3        -7.65                     
CISPEP   6 HYP A   10    HYP A   11          3        -3.35                     
CISPEP   7 CYS A    9    HYP A   10          4        -8.57                     
CISPEP   8 HYP A   10    HYP A   11          4        -3.44                     
CISPEP   9 CYS A    9    HYP A   10          5        -8.59                     
CISPEP  10 HYP A   10    HYP A   11          5        -3.47                     
CISPEP  11 CYS A    9    HYP A   10          6        -7.35                     
CISPEP  12 HYP A   10    HYP A   11          6        -3.18                     
CISPEP  13 CYS A    9    HYP A   10          7        -7.54                     
CISPEP  14 HYP A   10    HYP A   11          7        -3.18                     
CISPEP  15 CYS A    9    HYP A   10          8        -7.84                     
CISPEP  16 HYP A   10    HYP A   11          8        -3.18                     
CISPEP  17 CYS A    9    HYP A   10          9        -8.16                     
CISPEP  18 HYP A   10    HYP A   11          9        -3.14                     
CISPEP  19 CYS A    9    HYP A   10         10        -8.20                     
CISPEP  20 HYP A   10    HYP A   11         10        -3.23                     
CISPEP  21 CYS A    9    HYP A   10         11        -7.94                     
CISPEP  22 HYP A   10    HYP A   11         11        -3.21                     
CISPEP  23 CYS A    9    HYP A   10         12        -8.14                     
CISPEP  24 HYP A   10    HYP A   11         12        -3.18                     
CISPEP  25 CYS A    9    HYP A   10         13        -8.20                     
CISPEP  26 HYP A   10    HYP A   11         13        -3.30                     
CISPEP  27 CYS A    9    HYP A   10         14        -7.89                     
CISPEP  28 HYP A   10    HYP A   11         14        -3.22                     
CISPEP  29 CYS A    9    HYP A   10         15        -7.74                     
CISPEP  30 HYP A   10    HYP A   11         15        -3.13                     
CISPEP  31 CYS A    9    HYP A   10         16        -7.88                     
CISPEP  32 HYP A   10    HYP A   11         16        -3.25                     
CISPEP  33 CYS A    9    HYP A   10         17        -8.14                     
CISPEP  34 HYP A   10    HYP A   11         17        -3.45                     
CISPEP  35 CYS A    9    HYP A   10         18        -7.54                     
CISPEP  36 HYP A   10    HYP A   11         18        -3.17                     
CISPEP  37 CYS A    9    HYP A   10         19        -7.86                     
CISPEP  38 HYP A   10    HYP A   11         19        -3.29                     
CISPEP  39 CYS A    9    HYP A   10         20        -7.90                     
CISPEP  40 HYP A   10    HYP A   11         20        -3.36                     
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