PDB Short entry for 1ZLC HEADER TOXIN 05-MAY-05 1ZLC TITLE SOLUTION CONFORMATION OF ALPHA-CONOTOXIN PIA COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALPHA-CONOTOXIN PIA; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: FRAGMENT; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: THIS SEQUENCE OCCURS NATURALLY IN CONUS PURPURASCENS. KEYWDS ALPHA-HELIX, BETA-TURN, TWO DISULFIDE BONDS, C-TERMINAL AMIDATION, KEYWDS 2 TOXIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR S.-W.CHI,S.-H.LEE,D.-H.KIM,J.-S.KIM,B.M.OLIVERA,J.M.MCINTOSH,K.-H.HAN REVDAT 3 02-MAR-22 1ZLC 1 REMARK LINK REVDAT 2 24-FEB-09 1ZLC 1 VERSN REVDAT 1 02-MAY-06 1ZLC 0 JRNL AUTH S.-W.CHI,S.-H.LEE,D.-H.KIM,J.-S.KIM,B.M.OLIVERA, JRNL AUTH 2 J.M.MCINTOSH,K.-H.HAN JRNL TITL SOLUTION STRUCTURE OF ALPHA-CONOTOXIN PIA, A NOVEL JRNL TITL 2 ANTAGONIST OF ALPHA6 SUBUNIT CONTAINING NICOTINIC JRNL TITL 3 ACETYLCHOLINE RECEPTORS JRNL REF BIOCHEM.BIOPHYS.RES.COMMUN. V. 338 1990 2005 JRNL REFN ISSN 0006-291X JRNL PMID 16289101 JRNL DOI 10.1016/J.BBRC.2005.10.176 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : VNMR 6,1B, CNS 1.1 REMARK 3 AUTHORS : VARIAN (VNMR), REMARK 3 BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-KUNSTLEVE,JIANG,KUSZEWSKI, REMARK 3 NILGES, PANNU,READ,RICE,SIMONSON,WARREN (CNS) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1ZLC COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 11-MAY-05. REMARK 100 THE DEPOSITION ID IS D_1000032852. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 283; 293 REMARK 210 PH : 3.92; 3.92 REMARK 210 IONIC STRENGTH : 0; 0 REMARK 210 PRESSURE : 1 ATM; 1 ATM REMARK 210 SAMPLE CONTENTS : 10MM ALPHA-CONOTOXIN PIA REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY; 2D TOCSY; DQF-COSY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : INOVA REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : FELIX 98.0 REMARK 210 METHOD USED : SIMULATED ANNEALING 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 : 5 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 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 PRO A 15 30.33 -89.11 REMARK 500 2 PRO A 8 1.34 -59.57 REMARK 500 4 ASN A 14 58.29 -140.04 REMARK 500 9 ASN A 14 58.04 -140.13 REMARK 500 12 ASP A 2 174.16 -59.85 REMARK 500 15 PRO A 15 38.58 -87.89 REMARK 500 18 PRO A 15 33.53 -89.51 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 19 DBREF 1ZLC A 1 18 UNP P69658 CXA1_CONPU 22 39 SEQRES 1 A 19 ARG ASP PRO CYS CYS SER ASN PRO VAL CYS THR VAL HIS SEQRES 2 A 19 ASN PRO GLN ILE CYS NH2 HET NH2 A 19 3 HETNAM NH2 AMINO GROUP FORMUL 1 NH2 H2 N HELIX 1 1 VAL A 9 ASN A 14 1 6 SSBOND 1 CYS A 4 CYS A 10 1555 1555 2.03 SSBOND 2 CYS A 5 CYS A 18 1555 1555 2.03 LINK C CYS A 18 N NH2 A 19 1555 1555 1.33 SITE 1 AC1 1 CYS A 18 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