HEADER TOXIN 16-SEP-13 2MDQ TITLE A NOVEL 4/7-CONOTOXIN LVIA FROM CONUS LIVIDUS THAT SELECTIVELY BLOCKS TITLE 2 3 2 VS. 6/3 2 3 NICOTINIC ACETYLCHOLINE RECEPTORS COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALPHA-CONOTOXIN-LIKE; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: CONUS LIVIDUS; SOURCE 4 ORGANISM_COMMON: LIVID CONE; SOURCE 5 ORGANISM_TAXID: 89426 KEYWDS CONOTOXIN, DISULFIDE RICH, TOXIN, ALFA-CONOTOXINS, NICOTINIC KEYWDS 2 ACETYLCHOLINE RECEPTOR EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR C.I.SCHROEDER REVDAT 4 27-DEC-23 2MDQ 1 REMARK SEQADV LINK REVDAT 3 16-APR-14 2MDQ 1 JRNL REVDAT 2 26-FEB-14 2MDQ 1 JRNL REVDAT 1 12-FEB-14 2MDQ 0 JRNL AUTH S.LUO,D.ZHANGSUN,C.I.SCHROEDER,X.ZHU,Y.HU,Y.WU,M.M.WELTZIN, JRNL AUTH 2 S.EBERHARD,Q.KAAS,D.J.CRAIK,J.M.MCINTOSH,P.WHITEAKER JRNL TITL A NOVEL ALPHA 4/7-CONOTOXIN LVIA FROM CONUS LIVIDUS THAT JRNL TITL 2 SELECTIVELY BLOCKS ALPHA 3 BETA 2 VS. ALPHA 6/ ALPHA 3 BETA JRNL TITL 3 2 BETA 3 NICOTINIC ACETYLCHOLINE RECEPTORS. JRNL REF FASEB J. V. 28 1842 2014 JRNL REFN ISSN 0892-6638 JRNL PMID 24398291 JRNL DOI 10.1096/FJ.13-244103 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : XEASY, CNS REMARK 3 AUTHORS : BARTELS ET AL. (XEASY), BRUNGER, ADAMS, CLORE, REMARK 3 GROS, NILGES AND READ (CNS) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2MDQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-SEP-13. REMARK 100 THE DEPOSITION ID IS D_1000103513. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 280-315; 298 REMARK 210 PH : 4; 4 REMARK 210 IONIC STRENGTH : NULL; NULL REMARK 210 PRESSURE : AMBIENT; AMBIENT REMARK 210 SAMPLE CONTENTS : 1.5 MM H2O, 90% H2O/10% D2O; 1.5 REMARK 210 MM D2O, 100% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-13C HSQC; 2D 1H-1H TOCSY; REMARK 210 2D DQF-COSY; 2D 1H-1H NOESY 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, CYANA, TOPSPIN 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 12 72.37 -118.73 REMARK 500 2 HIS A 12 75.10 -119.09 REMARK 500 3 ILE A 15 -62.64 -122.93 REMARK 500 4 HIS A 12 67.65 -119.50 REMARK 500 5 HIS A 12 73.98 -116.80 REMARK 500 6 HIS A 12 75.23 -116.21 REMARK 500 7 HIS A 12 72.73 -119.06 REMARK 500 8 HIS A 12 78.25 -118.95 REMARK 500 9 HIS A 12 73.02 -118.68 REMARK 500 10 HIS A 12 79.53 -118.57 REMARK 500 11 HIS A 12 73.00 -116.39 REMARK 500 12 HIS A 12 71.93 -116.94 REMARK 500 12 ILE A 15 -65.93 -105.33 REMARK 500 13 HIS A 12 73.12 -118.67 REMARK 500 14 HIS A 12 79.17 -114.35 REMARK 500 15 HIS A 12 76.88 -118.62 REMARK 500 16 HIS A 12 77.34 -113.72 REMARK 500 17 HIS A 12 70.59 -118.58 REMARK 500 18 HIS A 12 72.01 -119.38 REMARK 500 19 HIS A 12 74.18 -109.75 REMARK 500 20 HIS A 12 71.76 -119.34 REMARK 500 20 ILE A 15 -71.16 -111.80 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 19501 RELATED DB: BMRB DBREF 2MDQ A 1 16 UNP L8BU87 L8BU87_CONLI 21 36 SEQADV 2MDQ NH2 A 17 UNP L8BU87 AMIDATION SEQRES 1 A 17 GLY CYS CYS SER HIS PRO ALA CYS ASN VAL ASP HIS PRO SEQRES 2 A 17 GLU ILE CYS NH2 HET NH2 A 17 3 HETNAM NH2 AMINO GROUP FORMUL 1 NH2 H2 N HELIX 1 1 GLY A 1 SER A 4 5 4 HELIX 2 2 HIS A 5 HIS A 12 1 8 SSBOND 1 CYS A 2 CYS A 8 1555 1555 2.04 SSBOND 2 CYS A 3 CYS A 16 1555 1555 2.04 LINK C CYS A 16 N NH2 A 17 1555 1555 1.31 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