HEADER TOXIN 03-JUN-03 1PJV TITLE COBATOXIN 1 FROM CENTRUROIDES NOXIUS SCORPION VENOM: CHEMICAL TITLE 2 SYNTHESIS, 3-D STRUCTURE IN SOLUTION, PHARMACOLOGY AND DOCKING ON K+ TITLE 3 CHANNELS COMPND MOL_ID: 1; COMPND 2 MOLECULE: COBATOXIN 1; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: COTX1, GTIX; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: THE PROTEIN WAS CHEMICALLY SYNTHESIZED. THE SEQUENCE SOURCE 4 OF THE PROTEIN IS NATURALLY FOUND IN CENTRUROIDES NOXIUS (MEXICAN SOURCE 5 SCORPION) KEYWDS COBATOXIN 1, SCORPION TOXIN, CENTUROIDES NOXIUS, K+ CHANNEL, CHEMICAL KEYWDS 2 SYNTHESIS, 3-D STRUCTURE, 1H-NMR SPECTROSCOPY, CIRCULAR DICHROISM, KEYWDS 3 MOLECULAR MODELING, DOCKING EXPERIMENT, TOXIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR A.MOSBAH,B.JOUIROU,V.VISAN,S.GRISSMER,M.EL AYEB,H.ROCHAT,M.DE WAARD, AUTHOR 2 K.MABROUK,J.M.SABATIER REVDAT 3 23-FEB-22 1PJV 1 REMARK REVDAT 2 24-FEB-09 1PJV 1 VERSN REVDAT 1 09-MAR-04 1PJV 0 JRNL AUTH B.JOUIROU,A.MOSBAH,V.VISAN,S.GRISSMER,S.M'BAREK,Z.FAJLOUN, JRNL AUTH 2 J.VAN RIETSCHOTEN,C.DEVAUX,H.ROCHAT,G.LIPPENS,M.EL AYEB, JRNL AUTH 3 M.DE WAARD,K.MABROUK,J.M.SABATIER JRNL TITL COBATOXIN 1 FROM CENTRUROIDES NOXIUS SCORPION VENOM: JRNL TITL 2 CHEMICAL SYNTHESIS, THREE-DIMENSIONAL STRUCTURE IN SOLUTION, JRNL TITL 3 PHARMACOLOGY AND DOCKING ON K+ CHANNELS. JRNL REF BIOCHEM.J. V. 377 37 2004 JRNL REFN ISSN 0264-6021 JRNL PMID 14498829 JRNL DOI 10.1042/BJ20030977 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : XWINNMR, CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE REMARK 3 -KUNSTLEVE,JIANG,KUSZEWSKI,NILGES, PANNU,READ,RICE, REMARK 3 SIMONSON,WARREN (CNS) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1PJV COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-JUN-03. REMARK 100 THE DEPOSITION ID IS D_1000019374. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 300; 298 REMARK 210 PH : 3.1; 3.1 REMARK 210 IONIC STRENGTH : NULL; NULL REMARK 210 PRESSURE : AMBIENT; AMBIENT REMARK 210 SAMPLE CONTENTS : 2MM COBATOXIN 1; 90% H2O, 10% REMARK 210 D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY; 2D TOCSY; DQF-COSY REMARK 210 SPECTROMETER FIELD STRENGTH : NULL REMARK 210 SPECTROMETER MODEL : NULL REMARK 210 SPECTROMETER MANUFACTURER : NULL REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NMRPIPE, XEASY, DIANA, TURBO REMARK 210 -FRODO, MOLMOL REMARK 210 METHOD USED : DISTANCE GEOMETRY CALCULATION REMARK 210 AND CNS REFINEMENT REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 50 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : BACK CALCULATED DATA AGREE WITH REMARK 210 EXPERIMENTAL NOESY SPECTRUM, REMARK 210 STRUCTURES WITH ACCEPTABLE REMARK 210 COVALENT GEOMETRY, STRUCTURES REMARK 210 WITH FAVORABLE NON-BOND ENERGY, REMARK 210 STRUCTURES WITH THE LEAST REMARK 210 RESTRAINT VIOLATIONS, STRUCTURES REMARK 210 WITH THE LOWEST ENERGY, TARGET REMARK 210 FUNCTION REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: NULL 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: 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 2 ASN A 25 35.53 -152.84 REMARK 500 2 ALA A 26 111.58 -175.92 REMARK 500 2 PRO A 31 -78.43 -61.34 REMARK 500 3 ASN A 24 -30.57 -37.86 REMARK 500 3 ASN A 25 39.25 -155.60 REMARK 500 3 ALA A 26 109.67 -173.50 REMARK 500 4 ASN A 24 -27.67 -39.39 REMARK 500 4 ASN A 25 34.29 -153.51 REMARK 500 4 ALA A 26 119.47 -177.83 REMARK 500 5 ASN A 25 29.63 46.16 REMARK 500 6 ASN A 24 29.73 46.04 REMARK 500 6 PRO A 31 -168.00 -74.00 REMARK 500 7 ASN A 25 29.48 47.31 REMARK 500 8 ASN A 25 28.06 48.62 REMARK 500 8 PRO A 31 -168.02 -79.92 REMARK 500 9 ASN A 25 28.16 -149.97 REMARK 500 9 ALA A 26 123.02 -179.29 REMARK 500 10 ASN A 25 29.76 45.90 REMARK 500 15 ASN A 25 29.95 46.05 REMARK 500 15 PRO A 31 -169.55 -79.46 REMARK 500 16 ASN A 25 37.14 -153.31 REMARK 500 16 ALA A 26 111.16 -173.87 REMARK 500 17 ASN A 25 30.41 -150.90 REMARK 500 17 ALA A 26 121.24 -178.81 REMARK 500 19 ARG A 18 -64.75 -93.59 REMARK 500 19 LYS A 21 142.31 -176.21 REMARK 500 20 PRO A 31 -167.99 -74.59 REMARK 500 REMARK 500 REMARK: NULL DBREF 1PJV A 1 32 UNP O46028 SCK1_CENNO 29 60 SEQRES 1 A 32 ALA VAL CYS VAL TYR ARG THR CYS ASP LYS ASP CYS LYS SEQRES 2 A 32 ARG ARG GLY TYR ARG SER GLY LYS CYS ILE ASN ASN ALA SEQRES 3 A 32 CYS LYS CYS TYR PRO TYR HELIX 1 1 VAL A 4 ARG A 14 1 11 SHEET 1 A 2 SER A 19 ILE A 23 0 SHEET 2 A 2 ALA A 26 TYR A 30 -1 O LYS A 28 N LYS A 21 SSBOND 1 CYS A 3 CYS A 22 1555 1555 2.03 SSBOND 2 CYS A 8 CYS A 27 1555 1555 2.03 SSBOND 3 CYS A 12 CYS A 29 1555 1555 2.03 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