HEADER TOXIN 27-MAR-12 2LR9 TITLE HIGH-RESOLUTION SOLUTION NMR STRUCTURE OF THE RHO-CONOTOXIN TIA. COMPND MOL_ID: 1; COMPND 2 MOLECULE: RHO-CONOTOXIN TIA; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: RHO-TIA; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: CONUS TULIPA; SOURCE 4 ORGANISM_COMMON: FISH-HUNTING CONE SNAIL; SOURCE 5 ORGANISM_TAXID: 6495; SOURCE 6 OTHER_DETAILS: PEPTIDE WAS MADE SYNTHETICALLY THROUGH SOLID PHASE SOURCE 7 PEPTIDE CHEMISTRY. KEYWDS RHO-CONOTOXIN, TOXIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR K.ROSENGREN,R.J.LEWIS REVDAT 3 14-JUN-23 2LR9 1 REMARK SEQADV LINK REVDAT 2 01-JUN-16 2LR9 1 JRNL REVDAT 1 02-MAY-12 2LR9 0 JRNL AUTH L.RAGNARSSON,C.I.WANG,A.ANDERSSON,D.FAJARNINGSIH,T.MONKS, JRNL AUTH 2 A.BRUST,K.J.ROSENGREN,R.J.LEWIS JRNL TITL CONOPEPTIDE RHO-TIA DEFINES A NEW ALLOSTERIC SITE ON THE JRNL TITL 2 EXTRACELLULAR SURFACE OF THE ALPHA 1B-ADRENOCEPTOR. JRNL REF J.BIOL.CHEM. V. 288 1814 2013 JRNL REFN ISSN 0021-9258 JRNL PMID 23184947 JRNL DOI 10.1074/JBC.M112.430785 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : TOPSPIN 2.1, CNS 1.2 REMARK 3 AUTHORS : BRUKER BIOSPIN (TOPSPIN), 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: INITIAL STRUCTURES WERE CALCULATED REMARK 3 USING TORSION ANGLE DYNAMICS WITHIN CNS. THE STRUCTURES WERE REMARK 3 SUBSEQUENTLY REFINED AND ENERGY MINIMIZED USING RESTRAINED REMARK 3 CARTESIAN MOLECULAR DYNAMICS IN EXPLICIT WATER. REMARK 4 REMARK 4 2LR9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 30-MAR-12. REMARK 100 THE DEPOSITION ID IS D_1000102733. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298 REMARK 210 PH : 4.5 REMARK 210 IONIC STRENGTH : 0 REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 1 MG/ML CONOTOXIN TIA-1, 90% REMARK 210 H2O/10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D DQF-COSY; 2D 1H-1H TOCSY; 2D REMARK 210 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 : TOPSPIN 2.1, XEASY, CYANA 3.0 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 ACCEPTABLE REMARK 210 COVALENT GEOMETRY 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 15 HIS A 15 41.37 -106.86 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1IEN RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF TIA, WHICH WAS REFINED DURING THIS STUDY. REMARK 900 RELATED ID: 18354 RELATED DB: BMRB DBREF 2LR9 A 1 19 UNP P58811 CA1A_CONTU 39 57 SEQADV 2LR9 NH2 A 20 UNP P58811 AMIDATION SEQRES 1 A 20 PHE ASN TRP ARG CYS CYS LEU ILE PRO ALA CYS ARG ARG SEQRES 2 A 20 ASN HIS LYS LYS PHE CYS NH2 HET NH2 A 20 3 HETNAM NH2 AMINO GROUP FORMUL 1 NH2 H2 N HELIX 1 1 ASN A 2 LEU A 7 5 6 HELIX 2 2 ILE A 8 ARG A 13 1 6 SSBOND 1 CYS A 5 CYS A 11 1555 1555 2.03 SSBOND 2 CYS A 6 CYS A 19 1555 1555 2.03 LINK C CYS A 19 N NH2 A 20 1555 1555 1.32 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