1I6F - Header Asymmetric Unit

HEADER TOXIN 02-MAR-01 1I6F

TITLE NMR SOLUTION STRUCTURE OF THE INSECT-SPECIFIC NEUROTOXIN TITLE 2 VARIANT 5 (CSE-V5) FROM THE SCORPION CENTRUROIDES TITLE 3 SCULPTURATUS EWING

COMPND MOL_ID: 1; COMPND 2 MOLECULE: NEUROTOXIN V-5; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CSE-V5

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CENTRUROIDES SCULPTURATUS; SOURCE 3 ORGANISM_COMMON: BARK SCORPION; SOURCE 4 ORGANISM_TAXID: 218467; SOURCE 5 VARIANT: 5

KEYWDS SCORPION, NEUROTOXIN, SODIUM CHANNEL, ALPHA HELIX, BETA KEYWDS 2 SHEET, DISULFIDE LINKAGES

EXPDTA SOLUTION NMR

MDLTYP MINIMIZED AVERAGE

AUTHOR M.J.JABLONSKY,P.L.JACKSON,N.R.KRISHNA

REVDAT 2 24-FEB-09 1I6F 1 VERSN REVDAT 1 01-AUG-01 1I6F 0

JRNL AUTH M.J.JABLONSKY,P.L.JACKSON,N.R.KRISHNA JRNL TITL SOLUTION STRUCTURE OF AN INSECT-SPECIFIC JRNL TITL 2 NEUROTOXIN FROM THE NEW WORLD SCORPION JRNL TITL 3 CENTRUROIDES SCULPTURATUS EWING. JRNL REF BIOCHEMISTRY V. 40 8273 2001 JRNL REFN ISSN 0006-2960 JRNL PMID 11444973 JRNL DOI 10.1021/BI010223H

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE STRUCTURES ARE BASED ON 1010 REMARK 3 TOTAL RESTRAINTS: 849 DISTANCE, 70 H-BONDS, 91 DIHEDRAL ANGLE

REMARK 4 REMARK 4 1I6F COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-MAR-01. REMARK 100 THE RCSB ID CODE IS RCSB012962.

REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 303 REMARK 210 PH : 4.0 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 1MM CSE-V5, PH 4.0; 1MM CSE- REMARK 210 V5, PH 4.0 REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY, TOCSY, DQF-COSY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : AM REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : DISNMR DISR88, FELIX 9.80 REMARK 210 METHOD USED : DISTANCE GEOMETRY REMARK 210 SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : NULL REMARK 210 CONFORMERS, NUMBER SUBMITTED : 1 REMARK 210 CONFORMERS, SELECTION CRITERIA : NULL REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL REMARK 210 REMARK 210 REMARK: THIS STRUCTURE WAS DETERMINED USING STANDARD REMARK 210 HOMONUCLEAR 2D-NMR TECHNIQUES.

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 MET A 38 14.49 59.29 REMARK 500 ASP A 53 30.51 -92.04 REMARK 500 REMARK 500 REMARK: NULL

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1NRB RELATED DB: PDB REMARK 900 NEUROTOXIN CSE-V REMARK 900 RELATED ID: 1B3C RELATED DB: PDB REMARK 900 NEUROTOXIN CSE-I REMARK 900 RELATED ID: 1I6G RELATED DB: PDB REMARK 900 NEUROTOXIN CSE-V5, 20 CONFORMERS

REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE AUTHORS HAVE FOUND THAT THE PREVIOUSLY PUBLISHED REMARK 999 SEQUENCE (PIR C23727) WAS INCORRECT. THEY HAVE REMARK 999 DEMONSTRATED THE EXISTENCE OF AN ADDITIONAL GLY, 60, REMARK 999 FROM SEQUENCING, NMR, AND MASS SPEC. (DATA INCLUDED REMARK 999 IN THE PRIMARY CITATION ARTICLE).

DBREF 1I6F A 1 59 UNP P58779 SCX5_CENSC 1 59

SEQADV 1I6F GLY A 60 UNP P58779 SEE REMARK 999

SEQRES 1 A 60 LYS ASP GLY TYR PRO VAL ASP SER LYS GLY CYS LYS LEU SEQRES 2 A 60 SER CYS VAL ALA ASN ASN TYR CYS ASP ASN GLN CYS LYS SEQRES 3 A 60 MET LYS LYS ALA SER GLY GLY HIS CYS TYR ALA MET SER SEQRES 4 A 60 CYS TYR CYS GLU GLY LEU PRO GLU ASN ALA LYS VAL SER SEQRES 5 A 60 ASP SER ALA THR ASN ILE CYS GLY

HELIX 1 1 ALA A 17 LYS A 28 1 12

SHEET 1 A 4 HIS A 34 TYR A 36 0 SHEET 2 A 4 SER A 39 GLU A 43 -1 N SER A 39 O TYR A 36 SHEET 3 A 4 ASP A 2 PRO A 5 -1 O GLY A 3 N CYS A 42 SHEET 4 A 4 VAL A 51 SER A 52 -1 N SER A 52 O TYR A 4

SSBOND 1 CYS A 11 CYS A 59 1555 1555 2.02 SSBOND 2 CYS A 15 CYS A 35 1555 1555 2.02 SSBOND 3 CYS A 21 CYS A 40 1555 1555 2.02 SSBOND 4 CYS A 25 CYS A 42 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