1ACW - Header Asymmetric Unit

HEADER TOXIN 10-FEB-97 1ACW

TITLE SOLUTION NMR STRUCTURE OF P01, A NATURAL SCORPION PEPTIDE TITLE 2 STRUCTURALLY ANALOGOUS TO SCORPION TOXINS SPECIFIC FOR TITLE 3 APAMIN-SENSITIVE POTASSIUM CHANNEL, 25 STRUCTURES

COMPND MOL_ID: 1; COMPND 2 MOLECULE: NATURAL SCORPION PEPTIDE P01; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ANDROCTONUS MAURETANICUS MAURETANICUS; SOURCE 3 ORGANISM_TAXID: 6860; SOURCE 4 STRAIN: MAURETANICUS

KEYWDS SCORPION TOXIN, ANDROCTONUS MAURETANICUS MAURETANICUS, KEYWDS 2 POTASSIUM CHANNEL, P01, NEUROTOXIN, TOXIN

EXPDTA SOLUTION NMR

NUMMDL 25

AUTHOR E.BLANC,V.FREMONT,P.SIZUN,S.MEUNIER,J.VAN RIETSCHOTEN, AUTHOR 2 A.THEVAND,J.M.BERNASSAU,H.DARBON

REVDAT 2 24-FEB-09 1ACW 1 VERSN REVDAT 1 01-APR-97 1ACW 0

JRNL AUTH E.BLANC,V.FREMONT,P.SIZUN,S.MEUNIER, JRNL AUTH 2 J.VAN RIETSCHOTEN,A.THEVAND,J.M.BERNASSAU,H.DARBON JRNL TITL SOLUTION STRUCTURE OF P01, A NATURAL SCORPION JRNL TITL 2 PEPTIDE STRUCTURALLY ANALOGOUS TO SCORPION TOXINS JRNL TITL 3 SPECIFIC FOR APAMIN-SENSITIVE POTASSIUM CHANNEL. JRNL REF PROTEINS V. 24 359 1996 JRNL REFN ISSN 0887-3585 JRNL PMID 8778783 JRNL DOI 10.1002/(SICI)1097-0134(199603)24:3<359::AID-PROT9> JRNL DOI 2 3.0.CO;2-B

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE STRUCTURES WERE CALCULATED WITH REMARK 3 THE DISTANCE GEOMETRY SOFTWARE DIANA-1.1 AND THEN MINIMIZED REMARK 3 USING THE POWELL ALGORITHM OF THE X-PLOR SOFTWARE.

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

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.

REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 300 REMARK 210 PH : 3. REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : NULL REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : COSY, TOCSY, NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ REMARK 210 SPECTROMETER MODEL : AMX500, AMX400 REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : DIANA, XPLOR REMARK 210 METHOD USED : DISTANCE GEOMETRY AND ENERGY REMARK 210 MINIMIZATION REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 25 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 25 REMARK 210 CONFORMERS, SELECTION CRITERIA : OVERALL ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL 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 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 GLU A 4 -50.58 -139.35 REMARK 500 2 GLU A 4 -51.27 -138.33 REMARK 500 3 GLU A 4 -53.73 -132.04 REMARK 500 4 GLU A 4 -62.76 -135.41 REMARK 500 5 CYS A 3 31.33 -96.66 REMARK 500 5 GLU A 4 -56.54 -127.19 REMARK 500 6 GLU A 4 -59.61 -138.20 REMARK 500 7 GLU A 4 -42.41 -134.45 REMARK 500 8 GLU A 4 -59.79 -142.50 REMARK 500 9 GLU A 4 -59.26 -140.40 REMARK 500 10 CYS A 3 31.15 -96.90 REMARK 500 10 GLU A 4 -55.81 -132.60 REMARK 500 10 GLN A 13 51.68 -112.75 REMARK 500 11 GLU A 4 -57.18 -138.96 REMARK 500 12 GLU A 4 -61.04 -135.73 REMARK 500 13 GLU A 4 -56.72 -139.07 REMARK 500 14 GLU A 4 -49.43 -140.98 REMARK 500 14 GLN A 13 52.54 -110.71 REMARK 500 15 GLU A 4 -56.29 -123.96 REMARK 500 16 CYS A 3 30.97 -97.16 REMARK 500 16 GLU A 4 -56.72 -130.53 REMARK 500 17 GLU A 4 -59.07 -130.55 REMARK 500 18 GLU A 4 -53.79 -141.56 REMARK 500 18 GLN A 13 52.93 -114.44 REMARK 500 19 GLU A 4 -58.16 -130.63 REMARK 500 20 GLU A 4 -57.65 -138.18 REMARK 500 20 GLN A 13 52.99 -113.38 REMARK 500 21 GLU A 4 -60.24 -133.17 REMARK 500 21 GLN A 13 50.26 -111.41 REMARK 500 22 GLU A 4 -63.06 -133.56 REMARK 500 23 CYS A 3 31.70 -97.11 REMARK 500 23 GLU A 4 -54.86 -131.66 REMARK 500 24 GLU A 4 -52.31 -138.69 REMARK 500 25 GLU A 4 -61.02 -132.48 REMARK 500 REMARK 500 REMARK: NULL

DBREF 1ACW A 1 29 UNP P56215 SCX1_ANDMA 1 29

SEQRES 1 A 29 VAL SER CYS GLU ASP CYS PRO GLU HIS CYS SER THR GLN SEQRES 2 A 29 LYS ALA GLN ALA LYS CYS ASP ASN ASP LYS CYS VAL CYS SEQRES 3 A 29 GLU PRO ILE

HELIX 1 1 ASP A 5 GLN A 13 1 9

SHEET 1 A 2 GLN A 16 ASP A 20 0 SHEET 2 A 2 LYS A 23 GLU A 27 -1 N GLU A 27 O GLN A 16

SSBOND 1 CYS A 3 CYS A 19 1555 1555 2.02 SSBOND 2 CYS A 6 CYS A 24 1555 1555 2.02 SSBOND 3 CYS A 10 CYS A 26 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