HEADER TOXIN 05-JUN-00 1F3K TITLE THREE-DIMENSIONAL SOLUTION STRUCTURE OF OMEGA-CONOTOXIN TITLE 2 TXVII, AN L-TYPE CALCIUM CHANNEL BLOCKER COMPND MOL_ID: 1; COMPND 2 MOLECULE: OMEGA-CONOTOXIN TXVII; 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. SOURCE 4 THE SEQUENCE OF THIS PEPTIDE NATURALLY OCCURS IN CONUS SOURCE 5 TEXTILE. KEYWDS OMEGA-CONOTOXIN, CYSTINE KNOT MOTIF, TRIPLE-STRANDED KEYWDS 2 ANTIPARALLEL BETA-SHEET, L-TYPE CALCIUM CHANNEL BLOCKER EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR K.KOBAYASHI,T.SASAKI,K.SATO,T.KOHNO REVDAT 2 24-FEB-09 1F3K 1 VERSN REVDAT 1 13-DEC-00 1F3K 0 JRNL AUTH K.KOBAYASHI,T.SASAKI,K.SATO,T.KOHNO JRNL TITL THREE-DIMENSIONAL SOLUTION STRUCTURE OF JRNL TITL 2 OMEGA-CONOTOXIN TXVII, AN L-TYPE CALCIUM CHANNEL JRNL TITL 3 BLOCKER. JRNL REF BIOCHEMISTRY V. 39 14761 2000 JRNL REFN ISSN 0006-2960 JRNL PMID 11101291 JRNL DOI 10.1021/BI001506X REMARK 1 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 REMARK 3 OF 452 RESTRAINTS, 411 ARE NOE-DERIVED DISTANCE CONSTRAINTS, REMARK 3 20 DIHEDRAL ANGLE RESTRAINTS, 21 DISTANCE RESTRAINTS FROM REMARK 3 HYDROGEN BONDS AND DISULFIDE BONDS. REMARK 4 REMARK 4 1F3K COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-JUN-00. REMARK 100 THE RCSB ID CODE IS RCSB011199. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 288 REMARK 210 PH : 5.6 REMARK 210 IONIC STRENGTH : 0 REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 5MM OMEGA-CONOTOXIN TXVII; REMARK 210 5MM OMEGA-CONOTOXIN TXVII REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY, DQF-COSY, TOCSY, PE REMARK 210 -COSY REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ REMARK 210 SPECTROMETER MODEL : AMX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : UXNMR 970101.2, X-PLOR 3.1 REMARK 210 METHOD USED : DISTANCE GEOMETRY, SIMULATED REMARK 210 ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 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 : NULL 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 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 ALA A 4 133.83 -36.86 REMARK 500 1 ASP A 5 18.38 82.04 REMARK 500 1 PHE A 11 -36.96 -141.18 REMARK 500 1 SER A 12 -74.57 -135.64 REMARK 500 1 ASP A 14 -86.52 -162.60 REMARK 500 1 CYS A 16 -2.40 -57.71 REMARK 500 1 ILE A 19 -150.82 -127.55 REMARK 500 1 MET A 25 38.33 -95.05 REMARK 500 2 ALA A 4 127.80 -39.02 REMARK 500 2 ASP A 5 17.91 88.49 REMARK 500 2 PHE A 11 -38.32 -130.45 REMARK 500 2 SER A 12 -80.75 -160.81 REMARK 500 2 ASP A 14 -3.50 -160.18 REMARK 500 2 CYS A 15 106.33 178.14 REMARK 500 2 CYS A 16 -3.09 -59.22 REMARK 500 2 ILE A 19 -143.50 -111.32 REMARK 500 2 CYS A 20 70.94 -159.81 REMARK 500 2 CYS A 24 90.27 -56.73 REMARK 500 3 ALA A 4 116.64 -37.94 REMARK 500 3 ASP A 5 20.83 92.24 REMARK 500 3 PHE A 11 -42.44 -136.46 REMARK 500 3 SER A 12 -76.16 -160.61 REMARK 500 3 ASP A 14 -17.90 -160.70 REMARK 500 3 CYS A 15 119.23 -172.50 REMARK 500 3 ILE A 19 -147.57 -107.38 REMARK 500 3 CYS A 24 95.84 -41.11 REMARK 500 3 MET A 25 -165.20 -79.49 REMARK 500 4 ALA A 4 120.78 -37.01 REMARK 500 4 ASP A 5 30.59 86.94 REMARK 500 4 SER A 12 -54.07 -160.05 REMARK 500 4 ASP A 14 -88.40 -161.94 REMARK 500 4 THR A 17 14.22 -143.27 REMARK 500 4 CYS A 20 65.36 -116.65 REMARK 500 5 ALA A 4 128.00 -37.56 REMARK 500 5 ASP A 5 19.53 83.30 REMARK 500 5 PHE A 11 -27.05 -144.50 REMARK 500 5 SER A 12 -86.15 -161.55 REMARK 500 5 ASP A 14 -25.03 -161.84 REMARK 500 5 CYS A 16 -17.44 -43.99 REMARK 500 5 ILE A 19 -154.60 -95.63 REMARK 500 5 LEU A 21 59.81 -90.83 REMARK 500 5 CYS A 24 107.90 -39.34 REMARK 500 5 MET A 25 -164.08 -77.71 REMARK 500 6 ALA A 4 136.88 -38.31 REMARK 500 6 ASP A 5 10.22 80.91 REMARK 500 6 PHE A 11 -35.07 -134.49 REMARK 500 6 SER A 12 -80.88 -161.05 REMARK 500 6 ASP A 14 10.62 -160.63 REMARK 500 6 CYS A 15 106.96 175.13 REMARK 500 6 ILE A 19 -149.35 -114.18 REMARK 500 6 CYS A 20 78.20 -158.74 REMARK 500 6 LEU A 21 47.45 -89.22 REMARK 500 6 CYS A 24 99.62 -61.05 REMARK 500 6 MET A 25 53.52 -94.33 REMARK 500 7 ALA A 4 128.47 -37.84 REMARK 500 7 ASP A 5 19.15 87.81 REMARK 500 7 PHE A 11 -37.36 -131.23 REMARK 500 7 SER A 12 -79.03 -160.81 REMARK 500 7 ASP A 14 -12.64 -159.98 REMARK 500 7 CYS A 15 111.98 -173.19 REMARK 500 7 CYS A 24 98.63 -41.15 REMARK 500 7 MET A 25 -153.61 -76.15 REMARK 500 8 ALA A 4 127.85 -38.25 REMARK 500 8 ASP A 5 19.61 83.44 REMARK 500 8 PHE A 11 -35.17 -149.16 REMARK 500 8 SER A 12 -86.79 -132.32 REMARK 500 8 ASP A 14 -21.40 -162.03 REMARK 500 8 CYS A 16 -19.08 -48.93 REMARK 500 9 ALA A 4 137.87 -37.94 REMARK 500 9 ASP A 5 4.84 87.76 REMARK 500 9 SER A 12 -83.49 -161.05 REMARK 500 9 ASP A 14 -38.48 -164.24 REMARK 500 9 CYS A 16 -8.83 -56.15 REMARK 500 9 ILE A 19 -152.06 -135.07 REMARK 500 9 LEU A 21 52.52 -90.81 REMARK 500 9 CYS A 24 94.57 -52.14 REMARK 500 10 ALA A 4 139.43 -38.52 REMARK 500 10 ASP A 5 4.97 84.21 REMARK 500 10 PHE A 11 -38.36 -132.60 REMARK 500 10 SER A 12 -73.25 -160.36 REMARK 500 10 ASP A 14 -18.77 -160.78 REMARK 500 10 CYS A 15 114.53 -173.03 REMARK 500 10 CYS A 16 -6.82 -57.70 REMARK 500 10 ILE A 19 -150.60 -114.68 REMARK 500 10 MET A 25 50.58 -95.36 REMARK 500 11 ALA A 4 121.57 -38.74 REMARK 500 11 ASP A 5 23.25 89.20 REMARK 500 11 PHE A 11 -34.66 -141.57 REMARK 500 11 SER A 12 -80.77 -159.83 REMARK 500 11 ASP A 14 -23.61 -161.11 REMARK 500 11 CYS A 15 117.16 -164.21 REMARK 500 11 ILE A 19 -156.05 -103.39 REMARK 500 11 CYS A 24 95.10 -43.49 REMARK 500 11 MET A 25 -161.76 -78.05 REMARK 500 12 ALA A 4 120.49 -37.99 REMARK 500 12 ASP A 5 19.62 92.01 REMARK 500 12 PHE A 11 -41.47 -133.78 REMARK 500 12 SER A 12 -76.58 -160.61 REMARK 500 12 ASP A 14 -24.08 -161.04 REMARK 500 12 CYS A 15 109.79 -161.28 REMARK 500 12 ILE A 19 -149.41 -105.64 REMARK 500 12 LEU A 21 48.57 -86.89 REMARK 500 12 CYS A 24 94.65 -41.54 REMARK 500 12 MET A 25 -164.80 -78.42 REMARK 500 13 ALA A 4 128.04 -38.75 REMARK 500 13 ASP A 5 15.20 83.76 REMARK 500 13 PHE A 11 -24.92 -140.19 REMARK 500 13 SER A 12 -87.83 -161.00 REMARK 500 13 CYS A 15 106.64 -176.69 REMARK 500 13 ILE A 19 -152.71 -124.59 REMARK 500 13 CYS A 20 88.39 -157.70 REMARK 500 13 CYS A 24 94.63 -63.94 REMARK 500 14 ALA A 4 121.48 -37.09 REMARK 500 14 ASP A 5 26.50 85.59 REMARK 500 14 PHE A 11 -36.06 -146.60 REMARK 500 14 SER A 12 -82.94 -136.18 REMARK 500 14 ASP A 14 -85.13 -161.99 REMARK 500 14 CYS A 24 104.82 -39.83 REMARK 500 14 MET A 25 -162.46 -78.20 REMARK 500 15 ALA A 4 119.46 -36.54 REMARK 500 15 ASP A 5 27.26 88.15 REMARK 500 15 VAL A 10 58.64 -90.45 REMARK 500 15 PHE A 11 -34.08 -147.76 REMARK 500 15 SER A 12 -76.81 -130.62 REMARK 500 15 ASP A 14 -85.51 -161.60 REMARK 500 15 CYS A 16 -12.75 -49.24 REMARK 500 15 THR A 17 40.74 -145.83 REMARK 500 15 MET A 25 -169.09 -78.31 REMARK 500 16 ALA A 4 119.94 -37.63 REMARK 500 16 ASP A 5 23.84 90.87 REMARK 500 16 VAL A 10 57.39 -90.53 REMARK 500 16 PHE A 11 -28.48 -158.10 REMARK 500 16 SER A 12 -83.48 -137.96 REMARK 500 16 ASP A 14 -86.65 -164.27 REMARK 500 16 ILE A 19 -149.96 -102.21 REMARK 500 16 CYS A 20 81.22 -153.83 REMARK 500 16 LEU A 21 43.74 -89.85 REMARK 500 16 CYS A 24 100.26 -45.61 REMARK 500 16 MET A 25 -162.97 -78.01 REMARK 500 17 ALA A 4 134.88 -39.13 REMARK 500 17 ASP A 5 4.77 84.77 REMARK 500 17 CYS A 8 -168.92 -160.81 REMARK 500 17 PHE A 11 -40.06 -139.00 REMARK 500 17 SER A 12 -77.37 -130.89 REMARK 500 17 ASP A 14 -34.03 -161.84 REMARK 500 17 LEU A 21 48.07 -88.35 REMARK 500 17 CYS A 24 108.18 -39.79 REMARK 500 18 ALA A 4 129.35 -36.23 REMARK 500 18 SER A 12 -73.17 -160.16 REMARK 500 18 ASP A 14 -85.41 -161.96 REMARK 500 18 CYS A 16 -14.56 -47.60 REMARK 500 18 ILE A 19 -166.15 -110.37 REMARK 500 18 MET A 25 -163.29 -76.50 REMARK 500 19 ALA A 4 143.15 -38.93 REMARK 500 19 PHE A 11 -32.42 -160.69 REMARK 500 19 SER A 12 -86.32 -139.00 REMARK 500 19 ASP A 14 -62.27 -164.24 REMARK 500 19 CYS A 16 -19.89 -44.53 REMARK 500 19 LEU A 21 45.20 -92.19 REMARK 500 20 ALA A 4 140.12 -39.28 REMARK 500 20 ASP A 5 5.30 81.65 REMARK 500 20 PHE A 11 -37.47 -143.84 REMARK 500 20 SER A 12 -75.35 -127.90 REMARK 500 20 ASP A 14 -84.83 -161.85 REMARK 500 20 CYS A 16 -25.57 -38.76 REMARK 500 20 CYS A 20 59.72 -117.44 REMARK 500 20 LEU A 21 49.60 -88.71 REMARK 500 REMARK 500 REMARK: NULL DBREF 1F3K A 1 26 UNP P56714 CXO7_CONTE 1 26 SEQRES 1 A 26 CYS LYS GLN ALA ASP GLU PRO CYS ASP VAL PHE SER LEU SEQRES 2 A 26 ASP CYS CYS THR GLY ILE CYS LEU GLY VAL CYS MET TRP SSBOND 1 CYS A 1 CYS A 16 1555 1555 2.02 SSBOND 2 CYS A 8 CYS A 20 1555 1555 2.02 SSBOND 3 CYS A 15 CYS A 24 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 ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL MASTER 237 0 0 0 0 0 0 6 0 0 0 2 END