1UL2 - Header Asymmetric Unit

HEADER TOXIN 06-SEP-03 1UL2

TITLE SOLUTION CONFORMATION OF ALPHA-CONOTOXIN GIC

COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALPHA-CONOTOXIN GIC; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: THIS SEQUENCE OCCURS NATURALLY IN CONUS SOURCE 4 GEOGRAPHUS.

KEYWDS ALPHA-HELIX, BETA-TURN, TWO DISULFIDE BONDS, C-TERMINAL KEYWDS 2 AMIDATION, TOXIN

EXPDTA SOLUTION NMR

NUMMDL 20

AUTHOR S.-W.CHI,D.-H.KIM,B.M.OLIVERA,J.M.MCINTOSH,K.-H.HAN

REVDAT 2 24-FEB-09 1UL2 1 VERSN REVDAT 1 20-JUL-04 1UL2 0

JRNL AUTH S.-W.CHI,D.-H.KIM,B.M.OLIVERA,J.M.MCINTOSH,K.-H.HAN JRNL TITL SOLUTION CONFORMATION OF ALPHA-CONOTOXIN GIC, A JRNL TITL 2 NOVEL POTENT ANTAGONIST OF ALPHA3BETA2 NICOTINIC JRNL TITL 3 ACETYLCHOLINE RECEPTORS JRNL REF BIOCHEM.J. V. 380 347 2004 JRNL REFN ISSN 0264-6021 JRNL PMID 14992691 JRNL DOI 10.1042/BJ20031792

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 KUNSTLEVE,JIANG,KUSZEWSKI,NILGES, PANNU,READ, REMARK 3 RICE,SIMONSON,WARREN REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 1UL2 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 10-SEP-03. REMARK 100 THE RCSB ID CODE IS RCSB005945.

REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 293; 283 REMARK 210 PH : 3.5; 3.5 REMARK 210 IONIC STRENGTH : 0; 0 REMARK 210 PRESSURE : 1ATM; 1ATM REMARK 210 SAMPLE CONTENTS : 11.5MM ALPHA-CONOTOXIN GIC 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 : VNMR 6.1B, 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 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 3 ASN A 12 42.80 -99.94 REMARK 500 12 ASN A 12 45.30 -108.26 REMARK 500 16 ASN A 12 45.62 -105.45 REMARK 500 18 CYS A 8 -66.05 -127.93 REMARK 500 19 ASN A 12 30.61 -99.72 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 17

DBREF 1UL2 A 1 16 UNP Q86RB2 CXAC_CONGE 21 36

SEQRES 1 A 17 GLY CYS CYS SER HIS PRO ALA CYS ALA GLY ASN ASN GLN SEQRES 2 A 17 HIS ILE CYS NH2

HET NH2 A 17 3

HETNAM NH2 AMINO GROUP

FORMUL 1 NH2 H2 N

HELIX 1 1 HIS A 5 ASN A 12 1 8

SSBOND 1 CYS A 2 CYS A 8 1555 1555 2.03 SSBOND 2 CYS A 3 CYS A 16 1555 1555 2.03

LINK C CYS A 16 N NH2 A 17 1555 1555 1.33

SITE 1 AC1 1 CYS A 16

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