1DG2 - Header Asymmetric Unit

HEADER TOXIN 23-NOV-99 1DG2

TITLE SOLUTION CONFORMATION OF A-CONOTOXIN AUIB

COMPND MOL_ID: 1; COMPND 2 MOLECULE: A-CONOTOXIN AUIB; COMPND 3 CHAIN: A; COMPND 4 OTHER_DETAILS: SYNTHETIC

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CONUS AULICUS; SOURCE 3 ORGANISM_TAXID: 89437; SOURCE 4 SECRETION: VENOM OF CONUS AULICUS; SOURCE 5 OTHER_DETAILS: CHEMICALLY SYNTHESIZED

KEYWDS A-HELIX, TWO DISULFIDE BONDS AND C-TERM AMIDATION, TOXIN

EXPDTA SOLUTION NMR

NUMMDL 20

AUTHOR J.-H.CHO,K.H.MOK,B.M.OLIVERA,J.M.MCINTOSH,K.-H.PARK,K.-H.HAN

REVDAT 4 24-FEB-09 1DG2 1 VERSN REVDAT 3 01-APR-03 1DG2 1 JRNL REVDAT 2 23-MAY-00 1DG2 1 JRNL REVDAT 1 25-FEB-00 1DG2 0

JRNL AUTH J.H.CHO,K.H.MOK,B.M.OLIVERA,J.M.MCINTOSH,K.H.PARK, JRNL AUTH 2 K.H.HAN JRNL TITL NUCLEAR MAGNETIC RESONANCE SOLUTION CONFORMATION JRNL TITL 2 OF ALPHA-CONOTOXIN AUIB, AN ALPHA(3)BETA(4) JRNL TITL 3 SUBTYPE-SELECTIVE NEURONAL NICOTINIC ACETYLCHOLINE JRNL TITL 4 RECEPTOR ANTAGONIST. JRNL REF J.BIOL.CHEM. V. 275 8680 2000 JRNL REFN ISSN 0021-9258 JRNL PMID 10722709 JRNL DOI 10.1074/JBC.275.12.8680

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : DISCOVER 2.9.7 REMARK 3 AUTHORS : MSI REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 1DG2 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-NOV-99. REMARK 100 THE RCSB ID CODE IS RCSB010054.

REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 278; 298 REMARK 210 PH : 4.1; 4.1 REMARK 210 IONIC STRENGTH : 0.01; 0.01 REMARK 210 PRESSURE : 1 ATM; 1 ATM REMARK 210 SAMPLE CONTENTS : 6MM A-CONOTOXIN AUIB REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY, PE-COSY, P-COSY, REMARK 210 TOCSY, ROESY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ, 500 MHZ REMARK 210 SPECTROMETER MODEL : INOVA, UNITY REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : VNMR 6.1, DISCOVER 2.9.7 REMARK 210 METHOD USED : DISTANCE GEOMETRY, SIMULATED REMARK 210 ANNEALING, MOLECULAR DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 50 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : BACK CALCULATED DATA AGREE REMARK 210 WITH EXPERIMENTAL NOESY REMARK 210 SPECTRUM,STRUCTURES WITH REMARK 210 ACCEPTABLE COVALENT GEOMETRY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 10 REMARK 210 REMARK 210 REMARK: NONE

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 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NH2 A 16

DBREF 1DG2 A 1 15 UNP P56640 CXA2_CONAL 1 15

SEQRES 1 A 16 GLY CYS CYS SER TYR PRO PRO CYS PHE ALA THR ASN PRO SEQRES 2 A 16 ASP CYS NH2

HET NH2 A 16 3

HETNAM NH2 AMINO GROUP

FORMUL 1 NH2 H2 N

HELIX 1 1 TYR A 5 ASN A 12 1 8

SSBOND 1 CYS A 2 CYS A 8 1555 1555 2.00 SSBOND 2 CYS A 3 CYS A 15 1555 1555 2.01

LINK C CYS A 15 N NH2 A 16 1555 1555 1.33

SITE 1 AC1 2 ASN A 12 CYS A 15

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