2PCO - Header Asymmetric Unit

HEADER TOXIN 30-MAR-07 2PCO

TITLE SPATIAL STRUCTURE AND MEMBRANE PERMEABILIZATION FOR TITLE 2 LATARCIN-1, A SPIDER ANTIMICROBIAL PEPTIDE

COMPND MOL_ID: 1; COMPND 2 MOLECULE: LATARCIN-1; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: LTC-1; COMPND 5 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: THE PEPTIDE WAS CHEMICALLY SYNTHESIZED. SOURCE 4 THIS SEQUENCE OCCURS NATURALLY IN SPIDER (LACHESANA SOURCE 5 TARABAEVI) VENOM.

KEYWDS CONTINUOUS HELIX, TOXIN

EXPDTA SOLUTION NMR

NUMMDL 20

AUTHOR P.V.DUBOVSKII,P.E.VOLYNSKY,A.A.POLYANSKY,V.V.CHUPIN, AUTHOR 2 R.G.EFREMOV,A.S.ARSENIEV

REVDAT 2 24-FEB-09 2PCO 1 VERSN REVDAT 1 18-MAR-08 2PCO 0

JRNL AUTH P.V.DUBOVSKII,P.E.VOLYNSKY,A.A.POLYANSKY, JRNL AUTH 2 D.V.KARPUNIN,V.V.CHUPIN,R.G.EFREMOV,A.S.ARSENIEV JRNL TITL THREE-DIMENSIONAL STRUCTURE/HYDROPHOBICITY OF JRNL TITL 2 LATARCINS SPECIFIES THEIR MODE OF MEMBRANE JRNL TITL 3 ACTIVITY. JRNL REF BIOCHEMISTRY V. 47 3525 2008 JRNL REFN ISSN 0006-2960 JRNL PMID 18293934 JRNL DOI 10.1021/BI702203W

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CYANA 1.0.6., FANMEM 4.1 REMARK 3 AUTHORS : GUENTERT P. (CYANA), NOLDE, ARSENIEV, VERGOTEN, REMARK 3 EFREMOV (FANMEM) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: IN TOTAL, 146 DISTANCE AND 127 REMARK 3 TORSION ANGLE CONSTRAINTS WERE USED

REMARK 4 REMARK 4 2PCO COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-APR-07. REMARK 100 THE RCSB ID CODE IS RCSB042230.

REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 318 REMARK 210 PH : 7.1 REMARK 210 IONIC STRENGTH : SALT-FREE REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 2 MM LTC1, 120 MM REMARK 210 PERDEUTERATED SDS, PH 7.1, REMARK 210 SALT-FREE, 90% H2O, 10% D2O; 2 REMARK 210 MM LTC1, 120 MM PERDEUTERATED REMARK 210 SDS, PH 7.1, SALT-FREE, 100% REMARK 210 D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D TOCSY, 2D NOESY, DQF-COSY REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ REMARK 210 SPECTROMETER MODEL : DRX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : XWINNMR 3.1.A, XEASY 40300000 REMARK 210 METHOD USED : TORSION ANGLE DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 200 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: THIS STRUCTURE WAS DETERMINED USING STANDARD 2D REMARK 210 HOMONUCLEAR 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 1 TRP A 7 -60.26 -154.84 REMARK 500 1 GLU A 25 -61.35 -162.62 REMARK 500 2 TRP A 7 -61.31 -147.23 REMARK 500 3 MET A 6 34.79 -160.16 REMARK 500 4 TRP A 7 -58.40 -150.94 REMARK 500 5 GLU A 25 70.66 57.52 REMARK 500 6 MET A 6 84.27 48.34 REMARK 500 6 GLU A 25 -61.18 -161.16 REMARK 500 7 TRP A 7 -58.17 -141.58 REMARK 500 7 GLU A 25 71.57 53.55 REMARK 500 9 TRP A 7 -63.48 -139.75 REMARK 500 10 MET A 6 -59.65 -156.33 REMARK 500 10 TRP A 7 -72.46 -163.65 REMARK 500 10 GLU A 25 75.07 54.37 REMARK 500 11 TRP A 3 64.97 61.02 REMARK 500 11 ARG A 8 -47.59 -145.52 REMARK 500 11 LYS A 13 -56.32 -144.33 REMARK 500 12 MET A 6 88.22 54.53 REMARK 500 14 TRP A 7 -58.34 -155.28 REMARK 500 15 TRP A 7 -56.50 -159.00 REMARK 500 15 GLU A 25 71.62 53.50 REMARK 500 16 MET A 2 72.58 53.06 REMARK 500 17 TRP A 7 -63.02 -145.84 REMARK 500 19 MET A 6 30.05 -149.39 REMARK 500 20 MET A 6 81.79 52.82 REMARK 500 REMARK 500 REMARK: NULL

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2G9P RELATED DB: PDB REMARK 900 LTC2A, AN ANTIMICROBIAL PEPTIDE BELONGING ALSO TO THE REMARK 900 LATARCIN FAMILY

DBREF 2PCO A 1 26 UNP Q1ELT9 LAT1_LACTA 63 88

SEQRES 1 A 26 SER MET TRP SER GLY MET TRP ARG ARG LYS LEU LYS LYS SEQRES 2 A 26 LEU ARG ASN ALA LEU LYS LYS LYS LEU LYS GLY GLU LYS

HELIX 1 1 TRP A 7 GLY A 24 1 18

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