1C56 - Header Asymmetric Unit

HEADER TOXIN 25-OCT-99 1C56

TITLE NMR SOLUTION STRUCTURE OF BUTANTOXIN

COMPND MOL_ID: 1; COMPND 2 MOLECULE: BUTANTOXIN; COMPND 3 CHAIN: A

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: TITYUS SERRULATUS; SOURCE 3 ORGANISM_COMMON: BRAZILIAN SCORPION; SOURCE 4 ORGANISM_TAXID: 6887; SOURCE 5 TISSUE: VENOM

KEYWDS BUTANTOXIN, TOXIN, NMR STRUCTURE

EXPDTA SOLUTION NMR

AUTHOR S.K.HOLADAY JR.,B.M.MARTIN,P.L.FLETCHER JR.,N.R.KRISHNA

REVDAT 2 24-FEB-09 1C56 1 VERSN REVDAT 1 19-JUL-00 1C56 0

JRNL AUTH S.K.HOLADAY JR.,B.M.MARTIN,P.L.FLETCHER JR., JRNL AUTH 2 N.R.KRISHNA JRNL TITL NMR SOLUTION STRUCTURE OF BUTANTOXIN. JRNL REF ARCH.BIOCHEM.BIOPHYS. V. 379 18 2000 JRNL REFN ISSN 0003-9861 JRNL PMID 10864437 JRNL DOI 10.1006/ABBI.2000.1858

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.8 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 1C56 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-OCT-99. REMARK 100 THE RCSB ID CODE IS RCSB001321.

REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 293 REMARK 210 PH : 5.0 REMARK 210 IONIC STRENGTH : 50 REMARK 210 PRESSURE : 1 ATM REMARK 210 SAMPLE CONTENTS : 90% WATER/10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : COSY, DQF-COSY, NOESY, TOCSY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : AM-600 REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : FELIX 97.2 REMARK 210 METHOD USED : DISTANCE GEOMETRY REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 1 REMARK 210 CONFORMERS, SELECTION CRITERIA : LEAST RESTRAINT VIOLATION REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL REMARK 210 REMARK 210 REMARK: AVERAGE STRUCTURE

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 CYS A 10 -164.01 -77.35 REMARK 500 ASN A 34 16.13 58.88 REMARK 500 REMARK 500 REMARK: NULL

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1C55 RELATED DB: PDB REMARK 900 NMR STRUCTURE OF BUTANTOXIN (35 STRUCTURES)

DBREF 1C56 A 1 40 UNP P59936 SCK4_TITSE 1 40

SEQRES 1 A 40 TRP CYS SER THR CYS LEU ASP LEU ALA CYS GLY ALA SER SEQRES 2 A 40 ARG GLU CYS TYR ASP PRO CYS PHE LYS ALA PHE GLY ARG SEQRES 3 A 40 ALA HIS GLY LYS CYS MET ASN ASN LYS CYS ARG CYS TYR SEQRES 4 A 40 THR

HELIX 1 1 SER A 13 ALA A 23 1 11

SHEET 1 A 2 GLY A 29 MET A 32 0 SHEET 2 A 2 LYS A 35 CYS A 38 -1 N ARG A 37 O LYS A 30

SSBOND 1 CYS A 2 CYS A 5 1555 1555 2.02 SSBOND 2 CYS A 10 CYS A 31 1555 1555 2.02 SSBOND 3 CYS A 16 CYS A 36 1555 1555 2.02 SSBOND 4 CYS A 20 CYS A 38 1555 1555 2.02

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