HEADER    TOXIN                                   16-JUL-01   1JLO              
TITLE     SOLUTION STRUCTURE OF THE NONCOMPETITIVE SKELETAL MUSCLE NICOTINIC    
TITLE    2 ACETYLCHOLINE RECEPTOR ANTAGONIST PSI-CONOTOXIN PIIIE                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PSI-CONOTOXIN PIIIE;                                       
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 TO            
SOURCE   4 INCORPORATE 3-13C-LABELED CYSTEINE AT POSITIONS 4 AND 21. THE        
SOURCE   5 SEQUENCE IS THE SAME AS THE NATIVE PEPTIDE FROM CONUS PURPURASCENS   
SOURCE   6 (PURPLE CONE).                                                       
KEYWDS    MULTIPLE DISULFIDE BONDS, AMIDATED C-TERMINUS, TOXIN                  
EXPDTA    SOLUTION NMR                                                          
NUMMDL    13                                                                    
AUTHOR    R.M.VAN WAGONER,C.M.IRELAND                                           
REVDAT   3   24-AUG-11 1JLO    1       HETATM                                   
REVDAT   2   24-FEB-09 1JLO    1       VERSN                                    
REVDAT   1   24-JUN-03 1JLO    0                                                
JRNL        AUTH   R.M.VAN WAGONER,C.M.IRELAND                                  
JRNL        TITL   AN IMPROVED SOLUTION STRUCTURE FOR PSI-CONOTOXIN PIIIE       
JRNL        REF    BIOCHEMISTRY                  V.  42  6347 2003              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   12767215                                                     
JRNL        DOI    10.1021/BI027274E                                            
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     : DISCOVER 2.98                                        
REMARK   3   AUTHORS     : MSI, INC.                                            
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: THESE STRUCTURES ARE BASED ON 566 NOE-    
REMARK   3  DERIVED DISTANCE RESTRAINTS, 9 RESTRAINTS ON PHI DERIVED FROM J-    
REMARK   3  COUPLING, AND 13 RESTRAINTS ON CHI1 DETERMINED FROM J-COUPLING      
REMARK   3  AND NOE VOLUMES.                                                    
REMARK   4                                                                      
REMARK   4 1JLO 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 RCSB ID CODE IS RCSB013914.                                      
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 277; 295                           
REMARK 210  PH                             : 3.48; 3.48                         
REMARK 210  IONIC STRENGTH                 : 16 MM; HEXA-TFA SALT; 16 MM;       
REMARK 210                                   HEXA-TFA SALT                      
REMARK 210  PRESSURE                       : AMBIENT; AMBIENT                   
REMARK 210  SAMPLE CONTENTS                : 16 MM PSI-CONOTOXIN PIIIE [4,21]   
REMARK 210                                   3-13C-CYS; TFA ADDED TO PH 3.5;    
REMARK 210                                   16 MM PSI-CONOTOXIN PIIIE [4,21]   
REMARK 210                                   3-13C-CYS                          
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : 3D_13C-SEPARATED_NOESY; DQF-       
REMARK 210                                   COSY; HALF-FILTERED PE-COSY;       
REMARK 210                                   DOUBLE HALF-FILTERED 2D NOESY      
REMARK 210  SPECTROMETER FIELD STRENGTH    : 600 MHZ; 500 MHZ                   
REMARK 210  SPECTROMETER MODEL             : INOVA; UNITY                       
REMARK 210  SPECTROMETER MANUFACTURER      : VARIAN                             
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : VNMR 6.1B, FELIX 97.0, IRMA        
REMARK 210                                   97.0, DGII 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    : 13                                 
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 : 5                   
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 LENGTHS                                      
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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
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   RES CSSEQI ATM2   DEVIATION                     
REMARK 500  1 HIS A   1   CG    HIS A   1   CD2     0.057                       
REMARK 500  2 HIS A   1   CG    HIS A   1   CD2     0.057                       
REMARK 500  3 HIS A   1   CG    HIS A   1   CD2     0.057                       
REMARK 500  4 HIS A   1   CG    HIS A   1   CD2     0.055                       
REMARK 500  5 HIS A   1   CG    HIS A   1   CD2     0.056                       
REMARK 500  6 HIS A   1   CG    HIS A   1   CD2     0.057                       
REMARK 500  7 HIS A   1   CG    HIS A   1   CD2     0.056                       
REMARK 500  8 HIS A   1   CG    HIS A   1   CD2     0.056                       
REMARK 500  9 HIS A   1   CG    HIS A   1   CD2     0.056                       
REMARK 500 10 HIS A   1   CG    HIS A   1   CD2     0.057                       
REMARK 500 11 HIS A   1   CG    HIS A   1   CD2     0.056                       
REMARK 500 12 HIS A   1   CG    HIS A   1   CD2     0.057                       
REMARK 500 13 HIS A   1   CG    HIS A   1   CD2     0.057                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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 HIS A   1   ND1 -  CE1 -  NE2 ANGL. DEV. =   8.1 DEGREES          
REMARK 500  1 CYS A   4   CA  -  CB  -  SG  ANGL. DEV. = -12.6 DEGREES          
REMARK 500  1 ARG A  11   NE  -  CZ  -  NH1 ANGL. DEV. =   3.5 DEGREES          
REMARK 500  1 ARG A  12   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500  1 ARG A  24   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500  2 HIS A   1   ND1 -  CE1 -  NE2 ANGL. DEV. =   8.0 DEGREES          
REMARK 500  2 CYS A   4   CA  -  CB  -  SG  ANGL. DEV. = -12.5 DEGREES          
REMARK 500  2 ARG A  11   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500  2 ARG A  12   NE  -  CZ  -  NH1 ANGL. DEV. =   3.8 DEGREES          
REMARK 500  2 ARG A  24   NE  -  CZ  -  NH1 ANGL. DEV. =   3.8 DEGREES          
REMARK 500  3 HIS A   1   ND1 -  CE1 -  NE2 ANGL. DEV. =   8.1 DEGREES          
REMARK 500  3 CYS A   4   CA  -  CB  -  SG  ANGL. DEV. = -11.9 DEGREES          
REMARK 500  3 ARG A  11   NE  -  CZ  -  NH1 ANGL. DEV. =   3.6 DEGREES          
REMARK 500  3 ARG A  12   NE  -  CZ  -  NH1 ANGL. DEV. =   4.0 DEGREES          
REMARK 500  3 ARG A  24   NE  -  CZ  -  NH1 ANGL. DEV. =   3.8 DEGREES          
REMARK 500  4 HIS A   1   ND1 -  CE1 -  NE2 ANGL. DEV. =   8.2 DEGREES          
REMARK 500  4 CYS A   4   CA  -  CB  -  SG  ANGL. DEV. = -12.7 DEGREES          
REMARK 500  4 ARG A  11   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500  4 ARG A  12   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500  4 ARG A  24   NE  -  CZ  -  NH1 ANGL. DEV. =   3.8 DEGREES          
REMARK 500  5 HIS A   1   ND1 -  CE1 -  NE2 ANGL. DEV. =   8.0 DEGREES          
REMARK 500  5 CYS A   4   CA  -  CB  -  SG  ANGL. DEV. = -12.6 DEGREES          
REMARK 500  5 ARG A  11   NE  -  CZ  -  NH1 ANGL. DEV. =   3.8 DEGREES          
REMARK 500  5 ARG A  12   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500  5 ARG A  24   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500  6 HIS A   1   ND1 -  CE1 -  NE2 ANGL. DEV. =   8.1 DEGREES          
REMARK 500  6 CYS A   4   CA  -  CB  -  SG  ANGL. DEV. = -12.6 DEGREES          
REMARK 500  6 ARG A  11   NE  -  CZ  -  NH1 ANGL. DEV. =   3.9 DEGREES          
REMARK 500  6 ARG A  12   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500  6 ARG A  24   NE  -  CZ  -  NH1 ANGL. DEV. =   3.8 DEGREES          
REMARK 500  7 HIS A   1   ND1 -  CE1 -  NE2 ANGL. DEV. =   8.1 DEGREES          
REMARK 500  7 CYS A   4   CA  -  CB  -  SG  ANGL. DEV. = -12.0 DEGREES          
REMARK 500  7 ARG A  11   NE  -  CZ  -  NH1 ANGL. DEV. =   3.6 DEGREES          
REMARK 500  7 ARG A  12   NE  -  CZ  -  NH1 ANGL. DEV. =   3.8 DEGREES          
REMARK 500  7 ARG A  24   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500  8 HIS A   1   ND1 -  CE1 -  NE2 ANGL. DEV. =   8.2 DEGREES          
REMARK 500  8 CYS A   4   CA  -  CB  -  SG  ANGL. DEV. = -12.5 DEGREES          
REMARK 500  8 ARG A  11   NE  -  CZ  -  NH1 ANGL. DEV. =   4.4 DEGREES          
REMARK 500  8 ARG A  12   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500  8 ARG A  24   NE  -  CZ  -  NH1 ANGL. DEV. =   3.9 DEGREES          
REMARK 500  9 HIS A   1   ND1 -  CE1 -  NE2 ANGL. DEV. =   8.0 DEGREES          
REMARK 500  9 CYS A   4   CA  -  CB  -  SG  ANGL. DEV. = -12.0 DEGREES          
REMARK 500  9 ARG A  11   NE  -  CZ  -  NH1 ANGL. DEV. =   3.3 DEGREES          
REMARK 500  9 ARG A  12   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500  9 ARG A  24   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500 10 HIS A   1   ND1 -  CE1 -  NE2 ANGL. DEV. =   8.1 DEGREES          
REMARK 500 10 CYS A   4   CA  -  CB  -  SG  ANGL. DEV. = -11.8 DEGREES          
REMARK 500 10 ARG A  11   NE  -  CZ  -  NH1 ANGL. DEV. =   3.3 DEGREES          
REMARK 500 10 ARG A  12   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500 10 ARG A  24   NE  -  CZ  -  NH1 ANGL. DEV. =   3.9 DEGREES          
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      64 ANGLE DEVIATIONS.                             
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 HYP A   2     -169.35    -52.61                                   
REMARK 500  2 HYP A   2     -170.65    -53.01                                   
REMARK 500  2 SER A  17      -19.67    -49.00                                   
REMARK 500  3 HYP A   2     -171.78    -53.24                                   
REMARK 500  4 HYP A   2     -163.49    -50.56                                   
REMARK 500  5 HYP A   2     -170.45    -52.82                                   
REMARK 500  6 HYP A   2     -170.55    -52.97                                   
REMARK 500  6 SER A  17      -19.53    -49.07                                   
REMARK 500  7 HYP A   2     -171.58    -53.17                                   
REMARK 500  7 ARG A  12       59.00    -91.39                                   
REMARK 500  7 SER A  17      -18.67    -49.33                                   
REMARK 500  8 HYP A   2     -168.26    -52.27                                   
REMARK 500  9 HYP A   2     -170.73    -52.92                                   
REMARK 500  9 ARG A  12       61.62   -100.18                                   
REMARK 500 10 HYP A   2     -170.10    -52.61                                   
REMARK 500 10 ARG A  12       58.73    -94.51                                   
REMARK 500 11 HYP A   2     -170.92    -52.96                                   
REMARK 500 11 SER A  17      -19.15    -49.29                                   
REMARK 500 12 HYP A   2     -166.20    -52.09                                   
REMARK 500 12 ARG A  12       52.35   -107.97                                   
REMARK 500 13 HYP A   2     -169.76    -53.40                                   
REMARK 500 13 ARG A  12       58.79    -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 CYS A   16     SER A   17          1       146.06                    
REMARK 500 SER A   18     ALA A   19          1       144.32                    
REMARK 500 CYS A   16     SER A   17          2       146.49                    
REMARK 500 SER A   18     ALA A   19          2       144.74                    
REMARK 500 CYS A   16     SER A   17          3       147.28                    
REMARK 500 SER A   18     ALA A   19          3       144.19                    
REMARK 500 HYP A    2     HYP A    3          4       147.09                    
REMARK 500 CYS A   16     SER A   17          4       147.71                    
REMARK 500 SER A   18     ALA A   19          4       146.98                    
REMARK 500 CYS A   16     SER A   17          5       146.83                    
REMARK 500 SER A   18     ALA A   19          5       145.19                    
REMARK 500 CYS A   16     SER A   17          6       145.96                    
REMARK 500 SER A   18     ALA A   19          6       144.59                    
REMARK 500 CYS A   16     SER A   17          7       146.07                    
REMARK 500 SER A   18     ALA A   19          7       144.64                    
REMARK 500 CYS A   16     SER A   17          8       147.35                    
REMARK 500 SER A   18     ALA A   19          8       145.71                    
REMARK 500 CYS A   16     SER A   17          9       148.25                    
REMARK 500 SER A   18     ALA A   19          9       143.61                    
REMARK 500 CYS A   16     SER A   17         10       147.96                    
REMARK 500 SER A   18     ALA A   19         10       143.72                    
REMARK 500 CYS A   16     SER A   17         11       145.34                    
REMARK 500 SER A   18     ALA A   19         11       145.29                    
REMARK 500 CYS A   16     SER A   17         12       146.51                    
REMARK 500 SER A   18     ALA A   19         12       144.74                    
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500  1 ARG A  11         0.10    SIDE CHAIN                              
REMARK 500  4 HIS A   1         0.11    SIDE CHAIN                              
REMARK 500  4 TYR A   7         0.07    SIDE CHAIN                              
REMARK 500  4 ARG A  11         0.12    SIDE CHAIN                              
REMARK 500  8 HIS A   1         0.08    SIDE CHAIN                              
REMARK 500  8 ARG A  11         0.09    SIDE CHAIN                              
REMARK 500  9 TYR A   7         0.07    SIDE CHAIN                              
REMARK 500 10 TYR A   7         0.07    SIDE CHAIN                              
REMARK 500 12 HIS A   1         0.09    SIDE CHAIN                              
REMARK 500 12 TYR A   7         0.07    SIDE CHAIN                              
REMARK 500 12 ARG A  11         0.11    SIDE CHAIN                              
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-            
REMARK 900 CONOTOXIN PIIIE.                                                     
DBREF  1JLO A    1    24  UNP    P56529   CXP3E_CONPU      3     26             
SEQRES   1 A   25  HIS HYP HYP CYS CYS LEU TYR GLY LYS CYS ARG ARG TYR          
SEQRES   2 A   25  HYP GLY CYS SER SER ALA SER CYS CYS GLN ARG NH2              
MODRES 1JLO HYP A    2  PRO  4-HYDROXYPROLINE                                   
MODRES 1JLO HYP A    3  PRO  4-HYDROXYPROLINE                                   
MODRES 1JLO HYP A   14  PRO  4-HYDROXYPROLINE                                   
HET    HYP  A   2      15                                                       
HET    HYP  A   3      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    3(C5 H9 N O3)                                                
FORMUL   1  NH2    H2 N                                                         
HELIX    1   1 GLY A   15  ALA A   19  5                                   5    
SHEET    1   A 2 CYS A   5  LEU A   6  0                                        
SHEET    2   A 2 LYS A   9  CYS A  10 -1  N  LYS A   9   O  LEU A   6           
SSBOND   1 CYS A    4    CYS A   16                          1555   1555  1.94  
SSBOND   2 CYS A    5    CYS A   21                          1555   1555  2.00  
SSBOND   3 CYS A   10    CYS A   22                          1555   1555  2.00  
LINK         C   ARG A  24                 N   NH2 A  25     1555   1555  1.33  
LINK         C   HIS A   1                 N   HYP A   2     1555   1555  1.37  
LINK         C   HYP A   2                 N   HYP A   3     1555   1555  1.36  
LINK         C   HYP A   3                 N   CYS A   4     1555   1555  1.35  
LINK         C   TYR A  13                 N   HYP A  14     1555   1555  1.37  
LINK         C   HYP A  14                 N   GLY A  15     1555   1555  1.33  
SITE     1 AC1  2 GLN A  23  ARG A  24                                          
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