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