HEADER    TOXIN                                   16-JUL-01   1JLP              
TITLE     SOLUTION STRUCTURE OF THE NONCOMPETITIVE SKELETAL MUSCLE NICOTINIC    
TITLE    2 ACETYLCHOLINE RECEPTOR ANTAGONIST PSI-CONOTOXIN PIIIF                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PSI-CONOTOXIN PIIIF;                                       
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 OTHER_DETAILS: SOLID PHASE CHEMICAL SYNTHESIS WAS USED. ONE SAMPLE   
SOURCE   4 CONTAINED ONLY NATURAL ISOTOPIC ABUNDANCE RESIDUES. ANOTHER PEPTIDE  
SOURCE   5 INCORPORATED 3-13C-LABELED CYSTEINE AT POSITION 4. THE THIRD PEPTIDE 
SOURCE   6 INCORPORATED 3-13C-LABELED CYSTEINE AT POSITIONS 5, 10, 16, 21, AND  
SOURCE   7 22. THE SEQUENCE FOR ALL PEPTIDES IS THE SAME AS THE NATIVE PEPTIDE  
SOURCE   8 FROM CONUS PURPURASCENS (PURPLE CONE).                               
KEYWDS    MULTIPLE DISULFIDE BONDS, AMIDATED C-TERMINUS, TOXIN                  
EXPDTA    SOLUTION NMR                                                          
NUMMDL    17                                                                    
AUTHOR    R.M.VAN WAGONER,C.M.IRELAND                                           
REVDAT   3   23-FEB-22 1JLP    1       REMARK LINK                              
REVDAT   2   24-FEB-09 1JLP    1       VERSN                                    
REVDAT   1   24-JUN-03 1JLP    0                                                
JRNL        AUTH   R.M.VAN WAGONER,C.M.IRELAND                                  
JRNL        TITL   CHARACTERIZATION AND THREE-DIMENSIONAL STRUCTURE             
JRNL        TITL 2 DETERMINATION OF PSI-CONOTOXIN PIIIF, A NOVEL NONCOMPETITIVE 
JRNL        TITL 3 ANTAGONIST OF NICOTINIC ACETYLCHOLINE RECEPTORS              
JRNL        REF    BIOCHEMISTRY                  V.  42  6353 2003              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   12767216                                                     
JRNL        DOI    10.1021/BI0272757                                            
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   S.S.MITCHELL,K.J.SHON,M.P.FOSTER,D.R.DAVIS,B.M.OLIVERA,      
REMARK   1  AUTH 2 C.M.IRELAND                                                  
REMARK   1  TITL   THREE-DIMENSIONAL SOLUTION STRUCTURE OF CONOTOXIN PSI-PIIIE, 
REMARK   1  TITL 2 AN ACETYLCHOLINE GATED ION CHANNEL ANTAGONIST                
REMARK   1  REF    BIOCHEMISTRY                  V.  37  1215 1998              
REMARK   1  REFN                   ISSN 0006-2960                               
REMARK   1  DOI    10.1021/BI972186T                                            
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   K.J.SHON,M.GRILLEY,R.JACOBSEN,G.E.CARTIER,C.HOPKINS,         
REMARK   1  AUTH 2 W.R.GRAY,M.WATKINS,D.R.HILLYARD,J.RIVIER,J.TORRES,           
REMARK   1  AUTH 3 D.YOSHIKAMI,B.M.OLIVERA                                      
REMARK   1  TITL   A NONCOMPETITIVE PEPTIDE INHIBITOR OF THE NICOTINIC          
REMARK   1  TITL 2 ACETYLCHOLINE RECEPTOR FROM CONUS PURPURASCENS VENOM         
REMARK   1  REF    BIOCHEMISTRY                  V.  36  9581 1997              
REMARK   1  REFN                   ISSN 0006-2960                               
REMARK   1  DOI    10.1021/BI970235W                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : VNMR 6.1B, DISCOVER 2.98                             
REMARK   3   AUTHORS     : VARIAN, INC. (VNMR), MSI, INC. (DISCOVER)            
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: THESE STRUCTURES ARE BASED ON 380 NOE     
REMARK   3  -DERIVED DISTANCE RESTRAINTS, 7 RESTRAINTS ON PHI DERIVED FROM J-   
REMARK   3  COUPLING, AND 7 RESTRAINTS ON CHI1 DETERMINED FROM J-COUPLING       
REMARK   3  AND NOE VOLUMES.                                                    
REMARK   4                                                                      
REMARK   4 1JLP COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-JUL-01.                  
REMARK 100 THE DEPOSITION ID IS D_1000013915.                                   
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 277; 295                           
REMARK 210  PH                             : 3.5; 3.5                           
REMARK 210  IONIC STRENGTH                 : 12 MM; TETRA-TFA SALT; 12 MM;      
REMARK 210                                   TETRA-TFA SALT                     
REMARK 210  PRESSURE                       : AMBIENT; AMBIENT                   
REMARK 210  SAMPLE CONTENTS                : 12 MM PSI-CONOTOXIN PIIIF; TFA     
REMARK 210                                   ADDED TO PH 3.5; 12 MM PSI-        
REMARK 210                                   CONOTOXIN PIIIF; 14 MM OF PSI-     
REMARK 210                                   CONOTOXIN PIIIF [5,10,16,21,22]    
REMARK 210                                   3-13C-CYS; TFA ADDED TO PH 3.5;    
REMARK 210                                   16 MM OF PSI-CONOTOXIN PIIIF [4]   
REMARK 210                                   3-13C-CYS; TFA ADDED TO PH 3.5;    
REMARK 210                                   16 MM OF PSI-CONOTOXIN PIIIF [4]   
REMARK 210                                   3-13C-CYS                          
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : 2D NOESY; DQF-COSY; PE-COSY; 13C   
REMARK 210                                   -SELECTED 2D NOESY; DOUBLE HALF-   
REMARK 210                                   FILTERED 2D NOESY; DOUBLE HALF-    
REMARK 210                                   FILTERED 2D PE-COSY; 13C-          
REMARK 210                                   SELECTED 1D 1H NMR                 
REMARK 210  SPECTROMETER FIELD STRENGTH    : 500 MHZ; 600 MHZ                   
REMARK 210  SPECTROMETER MODEL             : UNITY; INOVA                       
REMARK 210  SPECTROMETER MANUFACTURER      : VARIAN                             
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : FELIX 97.0, IRMA 97.0, DGII        
REMARK 210                                   97.0, DISCOVER 2.98                
REMARK 210   METHOD USED                   : DISTANCE GEOMETRY MOLECULAR        
REMARK 210                                   DYNAMICS RELAXATION MATRIX         
REMARK 210                                   DISTANCE GEOMETRY SIMULATED        
REMARK 210                                   ANNEALING                          
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : 50                                 
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 17                                 
REMARK 210 CONFORMERS, SELECTION CRITERIA  : BACK CALCULATED DATA AGREE WITH    
REMARK 210                                   EXPERIMENTAL NOESY SPECTRUM,       
REMARK 210                                   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 : 12                  
REMARK 210                                                                      
REMARK 210 REMARK: THIS STRUCTURE WAS DETERMINED USING ISOTOPIC FILTRATION      
REMARK 210  AND ISOTOPE-SELECTED 1H OBSERVATION IN ADDITION TO STANDARD         
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  1 ARG A  11   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500  1 ARG A  23   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500  2 ARG A  11   NE  -  CZ  -  NH1 ANGL. DEV. =   3.9 DEGREES          
REMARK 500  2 ARG A  23   NE  -  CZ  -  NH1 ANGL. DEV. =   3.8 DEGREES          
REMARK 500  3 ARG A  11   NE  -  CZ  -  NH1 ANGL. DEV. =   3.9 DEGREES          
REMARK 500  3 ARG A  23   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500  4 ARG A  11   NE  -  CZ  -  NH1 ANGL. DEV. =   3.9 DEGREES          
REMARK 500  4 ARG A  23   NE  -  CZ  -  NH1 ANGL. DEV. =   4.0 DEGREES          
REMARK 500  5 ARG A  11   NE  -  CZ  -  NH1 ANGL. DEV. =   3.8 DEGREES          
REMARK 500  5 ARG A  23   NE  -  CZ  -  NH1 ANGL. DEV. =   3.8 DEGREES          
REMARK 500  6 SER A   9   N   -  CA  -  CB  ANGL. DEV. =  -9.2 DEGREES          
REMARK 500  6 ARG A  11   NE  -  CZ  -  NH1 ANGL. DEV. =   4.0 DEGREES          
REMARK 500  6 ARG A  23   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500  7 SER A   9   N   -  CA  -  CB  ANGL. DEV. =  -9.7 DEGREES          
REMARK 500  7 ARG A  11   NE  -  CZ  -  NH1 ANGL. DEV. =   3.9 DEGREES          
REMARK 500  7 ARG A  23   NE  -  CZ  -  NH1 ANGL. DEV. =   3.8 DEGREES          
REMARK 500  8 ARG A  11   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500  8 ARG A  23   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500  9 ARG A  11   NE  -  CZ  -  NH1 ANGL. DEV. =   3.9 DEGREES          
REMARK 500  9 ARG A  23   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500 10 ARG A  11   NE  -  CZ  -  NH1 ANGL. DEV. =   3.9 DEGREES          
REMARK 500 10 ARG A  23   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500 11 ARG A  11   NE  -  CZ  -  NH1 ANGL. DEV. =   3.8 DEGREES          
REMARK 500 11 ARG A  23   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500 12 ARG A  11   NE  -  CZ  -  NH1 ANGL. DEV. =   3.9 DEGREES          
REMARK 500 12 ARG A  23   NE  -  CZ  -  NH1 ANGL. DEV. =   3.8 DEGREES          
REMARK 500 13 ARG A  11   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500 13 ARG A  23   NE  -  CZ  -  NH1 ANGL. DEV. =   3.8 DEGREES          
REMARK 500 14 ARG A  11   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500 14 ARG A  23   NE  -  CZ  -  NH1 ANGL. DEV. =   3.8 DEGREES          
REMARK 500 15 ARG A  11   NE  -  CZ  -  NH1 ANGL. DEV. =   3.5 DEGREES          
REMARK 500 15 ARG A  23   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500 16 ARG A  11   NE  -  CZ  -  NH1 ANGL. DEV. =   4.0 DEGREES          
REMARK 500 16 ARG A  23   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500 17 ARG A  11   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500 17 ARG A  23   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 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 CYS A  22       68.91   -103.10                                   
REMARK 500  2 SER A   9     -155.08    -90.62                                   
REMARK 500  3 SER A   9     -122.03    -89.08                                   
REMARK 500  3 ARG A  11      103.18   -160.55                                   
REMARK 500  4 SER A   9     -140.91    -81.89                                   
REMARK 500  4 CYS A  22       59.02   -113.80                                   
REMARK 500  5 SER A   9     -149.00    -87.87                                   
REMARK 500  6 SER A   9     -163.31    -79.39                                   
REMARK 500  7 TYR A   7       42.74     70.58                                   
REMARK 500  7 SER A   9     -168.46    -79.88                                   
REMARK 500  8 SER A   9     -122.58    -88.87                                   
REMARK 500  8 CYS A  22       73.91   -100.18                                   
REMARK 500  9 SER A   9     -143.32    -92.26                                   
REMARK 500  9 CYS A  22       68.46   -103.21                                   
REMARK 500 10 SER A   9     -154.43    -87.54                                   
REMARK 500 10 CYS A  22       70.55   -110.19                                   
REMARK 500 11 SER A   9     -130.43    -87.19                                   
REMARK 500 12 SER A   9     -134.21    -88.40                                   
REMARK 500 12 CYS A  22       67.68   -103.48                                   
REMARK 500 13 SER A   9     -134.86    -86.38                                   
REMARK 500 13 CYS A  22       77.39   -101.20                                   
REMARK 500 15 CYS A  22       76.52   -102.62                                   
REMARK 500 16 SER A   9     -132.79    -89.09                                   
REMARK 500 17 SER A   9     -148.69    -90.87                                   
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 ALA A   19     LEU A   20          4      -148.67                    
REMARK 500 SER A    9     CYS A   10          7       149.02                    
REMARK 500 ALA A   19     LEU A   20          9      -149.97                    
REMARK 500 ALA A   19     LEU A   20         10      -147.73                    
REMARK 500 ALA A   19     LEU A   20         14      -147.81                    
REMARK 500 ALA A   19     LEU A   20         16      -149.81                    
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NH2 A 25                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1AS5   RELATED DB: PDB                                   
REMARK 900 1AS5 CONTAINS THE ORIGINAL STRUCTURES CALCULATED FOR PSI-CONOTOXIN   
REMARK 900 PIIIE.                                                               
REMARK 900 RELATED ID: 1JLO   RELATED DB: PDB                                   
REMARK 900 1JLO CONTAINS THE REVISED STRUCTURES CALCULATED FOR PSI-CONOTOXIN    
REMARK 900 PIIIE.                                                               
DBREF  1JLP A    1    24  UNP    P60245   CXP3F_CONPU      1     24             
SEQRES   1 A   25  GLY HYP HYP CYS CYS LEU TYR GLY SER CYS ARG HYP PHE          
SEQRES   2 A   25  HYP GLY CYS TYR ASN ALA LEU CYS CYS ARG LYS NH2              
MODRES 1JLP HYP A    2  PRO  4-HYDROXYPROLINE                                   
MODRES 1JLP HYP A    3  PRO  4-HYDROXYPROLINE                                   
MODRES 1JLP HYP A   12  PRO  4-HYDROXYPROLINE                                   
MODRES 1JLP HYP A   14  PRO  4-HYDROXYPROLINE                                   
HET    HYP  A   2      15                                                       
HET    HYP  A   3      15                                                       
HET    HYP  A  12      15                                                       
HET    HYP  A  14      15                                                       
HET    NH2  A  25       3                                                       
HETNAM     HYP 4-HYDROXYPROLINE                                                 
HETNAM     NH2 AMINO GROUP                                                      
HETSYN     HYP HYDROXYPROLINE                                                   
FORMUL   1  HYP    4(C5 H9 N O3)                                                
FORMUL   1  NH2    H2 N                                                         
SSBOND   1 CYS A    4    CYS A   16                          1555   1555  1.99  
SSBOND   2 CYS A    5    CYS A   21                          1555   1555  1.99  
SSBOND   3 CYS A   10    CYS A   22                          1555   1555  2.01  
LINK         C   GLY A   1                 N   HYP A   2     1555   1555  1.37  
LINK         C   HYP A   2                 N   HYP A   3     1555   1555  1.37  
LINK         C   HYP A   3                 N   CYS A   4     1555   1555  1.32  
LINK         C   ARG A  11                 N   HYP A  12     1555   1555  1.37  
LINK         C   HYP A  12                 N   PHE A  13     1555   1555  1.34  
LINK         C   PHE A  13                 N   HYP A  14     1555   1555  1.36  
LINK         C   HYP A  14                 N   GLY A  15     1555   1555  1.32  
LINK         C   LYS A  24                 N   NH2 A  25     1555   1555  1.32  
SITE     1 AC1  1 LYS A  24                                                     
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                         
MODEL        1