HEADER TOXIN 23-SEP-12 2LZ5 TITLE SOLUTION STRUCTURE OF A NOVEL ALPHA-CONOTOXIN TXIB COMPND MOL_ID: 1; COMPND 2 MOLECULE: CONOTOXIN_TXIB; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: CONUS TEXTILE; SOURCE 4 ORGANISM_TAXID: 6494 KEYWDS ALPHA-CONOTOXIN, ALPHA-HELIX, DISULFIDE BONDS, AMIDATED C-TERMINUS, KEYWDS 2 TOXIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR S.LUO,D.ZHANGSUN,Y.WU,X.ZHU,Y.HU,M.MCINTYRE,S.CHRISTENSEN,M.AKCAN, AUTHOR 2 D.CRAIK,J.MCINTOSH REVDAT 5 20-NOV-24 2LZ5 1 REMARK REVDAT 4 14-JUN-23 2LZ5 1 REMARK LINK REVDAT 3 19-JUN-13 2LZ5 1 JRNL REVDAT 2 12-DEC-12 2LZ5 1 JRNL REVDAT 1 05-DEC-12 2LZ5 0 JRNL AUTH S.LUO,D.ZHANGSUN,Y.WU,X.ZHU,Y.HU,M.MCINTYRE,S.CHRISTENSEN, JRNL AUTH 2 M.AKCAN,D.J.CRAIK,J.M.MCINTOSH JRNL TITL CHARACTERIZATION OF A NOVEL ALPHA-CONOTOXIN FROM CONUS JRNL TITL 2 TEXTILE THAT SELECTIVELY TARGETS ALPHA6/ALPHA3BETA2BETA3 JRNL TITL 3 NICOTINIC ACETYLCHOLINE RECEPTORS. JRNL REF J.BIOL.CHEM. V. 288 894 2013 JRNL REFN ISSN 0021-9258 JRNL PMID 23184959 JRNL DOI 10.1074/JBC.M112.427898 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CYANA, CNSSOLVE REMARK 3 AUTHORS : GUNTERT, MUMENTHALER AND WUTHRICH (CYANA), REMARK 3 BRUNGER, ADAMS, CLORE, GROS, NILGES AND READ REMARK 3 (CNSSOLVE) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2LZ5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-SEP-12. REMARK 100 THE DEPOSITION ID IS D_1000103008. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 280 REMARK 210 PH : 3.5 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : 1 ATM REMARK 210 SAMPLE CONTENTS : 3 MG/ML CONOTOXIN, 90% H2O/10% REMARK 210 D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-1H TOCSY; 2D 1H-1H NOESY; REMARK 210 2D DQF-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 : MOLPROBITY 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 : TARGET FUNCTION 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 ARG A 9 -51.03 -123.14 REMARK 500 5 HIS A 12 52.63 -142.73 REMARK 500 10 ARG A 9 -55.54 -121.97 REMARK 500 16 HIS A 12 55.42 -140.73 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 18736 RELATED DB: BMRB REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE TXIB SEQUENCE (152 BP) HAS BEEN SUBMITTED TO THE EMBL REMARK 999 NUCLEOTIDE DATABASE AND WAS ACCEPTED WITH ACCESSION NUMBER HE995411. DBREF 2LZ5 A 1 17 PDB 2LZ5 2LZ5 1 17 SEQRES 1 A 17 GLY CYS CYS SER ASP PRO PRO CYS ARG ASN LYS HIS PRO SEQRES 2 A 17 ASP LEU CYS NH2 HET NH2 A 17 3 HETNAM NH2 AMINO GROUP FORMUL 1 NH2 H2 N HELIX 1 1 GLY A 1 ARG A 9 5 9 SSBOND 1 CYS A 2 CYS A 8 1555 1555 2.04 SSBOND 2 CYS A 3 CYS A 16 1555 1555 2.03 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