HEADER TOXIN 18-JAN-06 2FQC TITLE SOLUTION STRUCTURE OF CONOTOXIN PL14A COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALPHA/KAPPA-CONOTOXIN PL14A; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CONOTOXIN PL14A; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: CONUS PLANORBIS; SOURCE 4 ORGANISM_COMMON: PLANORBIS CONE; SOURCE 5 ORGANISM_TAXID: 97183; SOURCE 6 OTHER_DETAILS: CHEMICALLY SYNTHESIZED. THIS SEQUENCE OCCURS SOURCE 7 NATURALLY IN CONUS PLANORBIS KEYWDS ALPHA-HELIX, DISULFIDE BONDS, TOXIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR D.J.CRAIK,N.L.DALY REVDAT 3 24-JUN-20 2FQC 1 COMPND SOURCE REMARK DBREF REVDAT 3 2 1 SEQADV LINK REVDAT 2 24-FEB-09 2FQC 1 VERSN REVDAT 1 18-JUL-06 2FQC 0 JRNL AUTH J.S.IMPERIAL,P.S.BANSAL,P.F.ALEWOOD,N.L.DALY,D.J.CRAIK, JRNL AUTH 2 A.SPORNING,H.TERLAU,E.LOPEZ-VERA,P.K.BANDYOPADHYAY, JRNL AUTH 3 B.M.OLIVERA JRNL TITL A NOVEL CONOTOXIN INHIBITOR OF KV1.6 CHANNEL AND NACHR JRNL TITL 2 SUBTYPES DEFINES A NEW SUPERFAMILY OF CONOTOXINS JRNL REF BIOCHEMISTRY V. 45 8331 2006 JRNL REFN ISSN 0006-2960 JRNL PMID 16819832 JRNL DOI 10.1021/BI060263R REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : XWINNMR 3.5, CNS 1.1 REMARK 3 AUTHORS : BRUKER (XWINNMR), BRUNGER ET AL (CNS) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2FQC COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 23-JAN-06. REMARK 100 THE DEPOSITION ID IS D_1000036183. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 290 REMARK 210 PH : 3 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 1MM PL14A, PH 3; 95% H2O, 5% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY; 2D TOCSY; DQF-COSY; E REMARK 210 -COSY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : XEASY 1.3.7, DYANA 1.5, CNS 1.1 REMARK 210 METHOD USED : TORSION ANGLE DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 50 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 : 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 1 HIS A 23 58.01 -65.89 REMARK 500 2 HIS A 23 56.37 -67.97 REMARK 500 2 CYS A 24 -168.99 -77.60 REMARK 500 3 CYS A 22 57.14 -148.41 REMARK 500 4 ARG A 5 33.79 -88.62 REMARK 500 4 CYS A 22 61.34 -150.06 REMARK 500 4 CYS A 24 -168.25 -76.86 REMARK 500 5 CYS A 22 57.64 -142.69 REMARK 500 6 CYS A 22 53.28 -140.04 REMARK 500 7 HIS A 23 55.62 -69.11 REMARK 500 8 ARG A 5 39.98 -77.11 REMARK 500 8 CYS A 22 51.46 -147.13 REMARK 500 8 HIS A 23 54.42 -68.66 REMARK 500 9 HIS A 23 53.07 -69.38 REMARK 500 10 CYS A 22 56.90 -147.34 REMARK 500 11 CYS A 22 55.72 -145.42 REMARK 500 12 CYS A 22 58.17 -147.21 REMARK 500 12 HIS A 23 54.17 -68.78 REMARK 500 12 CYS A 24 -169.55 -78.66 REMARK 500 13 CYS A 22 57.00 -146.55 REMARK 500 13 HIS A 23 53.83 -69.53 REMARK 500 15 CYS A 22 58.78 -150.00 REMARK 500 16 CYS A 22 57.91 -141.70 REMARK 500 16 HIS A 23 52.57 -69.83 REMARK 500 17 HIS A 23 54.72 -68.05 REMARK 500 18 CYS A 22 56.55 -147.61 REMARK 500 18 HIS A 23 52.63 -69.96 REMARK 500 19 CYS A 22 57.96 -146.89 REMARK 500 20 HIS A 23 55.77 -66.04 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 26 DBREF 2FQC A 1 25 UNP Q0N4U8 CJEA_CONPO 40 64 SEQADV 2FQC NH2 A 26 UNP Q0N4U8 AMIDATION SEQRES 1 A 26 PHE PRO ARG PRO ARG ILE CYS ASN LEU ALA CYS ARG ALA SEQRES 2 A 26 GLY ILE GLY HIS LYS TYR PRO PHE CYS HIS CYS ARG NH2 HET NH2 A 26 3 HETNAM NH2 AMINO GROUP FORMUL 1 NH2 H2 N HELIX 1 1 PRO A 4 GLY A 14 1 11 HELIX 2 2 ILE A 15 LYS A 18 5 4 HELIX 3 3 TYR A 19 HIS A 23 5 5 SSBOND 1 CYS A 7 CYS A 22 1555 1555 2.03 SSBOND 2 CYS A 11 CYS A 24 1555 1555 2.03 LINK C ARG A 25 N NH2 A 26 1555 1555 1.33 SITE 1 AC1 1 ARG A 25 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