1IM7 - Header Asymmetric Unit

HEADER VIRAL PROTEIN 10-MAY-01 1IM7

TITLE SOLUTION STRUCTURE OF SYNTHETIC CYCLIC PEPTIDE MIMICKING TITLE 2 THE LOOP OF HIV-1 GP41 GLYCOPROTEIN ENVELOPE

COMPND MOL_ID: 1; COMPND 2 MOLECULE: GP41-PARENT PEPTIDE ACE-ILE-TRP-GLY-CYS-SER-GLY- COMPND 3 LYS-LEU-ILE-CYS-THR-THR-ALA; COMPND 4 CHAIN: A; COMPND 5 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: THIS SEQUENCE OCCURS NATURALLY IN HUMAN SOURCE 4 IMMUNODEFICIENCY VIRUS TYPE 1

KEYWDS CYCLIC PEPTIDE, VIRAL PROTEIN

EXPDTA SOLUTION NMR

MDLTYP MINIMIZED AVERAGE

AUTHOR A.PHAN CHAN DU,D.LIMAL,V.SEMETEY,H.DALI,M.JOLIVET, AUTHOR 2 C.DESGRANGES,M.T.CUNG,J.P.BRIAND,M.C.PETIT,S.MULLER

REVDAT 2 24-FEB-09 1IM7 1 VERSN REVDAT 1 23-OCT-02 1IM7 0

JRNL AUTH A.P.DU,D.LIMAL,V.SEMETEY,H.DALI,M.JOLIVET, JRNL AUTH 2 C.DESGRANGES,M.T.CUNG,J.P.BRIAND,M.C.PETIT,S.MULLER JRNL TITL STRUCTURAL AND IMMUNOLOGICAL CHARACTERISATION OF JRNL TITL 2 HETEROCLITIC PEPTIDE ANALOGUES CORRESPONDING TO JRNL TITL 3 THE 600-612 REGION OF THE HIV ENVELOPE GP41 JRNL TITL 4 GLYCOPROTEIN. JRNL REF J.MOL.BIOL. V. 323 503 2002 JRNL REFN ISSN 0022-2836 JRNL PMID 12381305 JRNL DOI 10.1016/S0022-2836(02)00701-5

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : DYANA 1.5, DISCOVER 3 REMARK 3 AUTHORS : GUENTERT P., MUMENTHALER C.AND WUETHRICH K., REMARK 3 (1997) J. MOL. BIOL. 273, 283-298 (DYANA), REMARK 3 MOLECULAR SIMULATION INC., SAN DIEGO (DISCOVER) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: 50 INITIAL RANDOM STRUCUTRES WERE REMARK 3 PRODUCED USING SIMULATED ANNEALING IN DYANA REMARK 3 SOFTWARE.REFINEMENT WAS DONE WITH 500 STEPS RESTRAINED REMARK 3 MINIMIZATION , 35PS MD IN VACUO AT 300K FOR EQUILIBRATION AND REMARK 3 200PS MD UNDER NMR RESTRAINTS AND 750 STEPS CONJUGETED REMARK 3 GRADIENT EM USING DISCOVER MODULE OF MSI SOFTWARE.

REMARK 4 REMARK 4 1IM7 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-MAY-01. REMARK 100 THE RCSB ID CODE IS RCSB013406.

REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298 REMARK 210 PH : NULL REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 2MM AND 4MM PEPTIDE ; 500 UL REMARK 210 DMSO-D6 REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 400 MHZ, 600 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : XWINNMR 2.6, XEASY REMARK 210 METHOD USED : TORSION ANGLE DYNAMICS REMARK 210 ENERGY MINIMISATION REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 50 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 1 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. NOESY EXPERIMENTS WITH MIXING TIMES REMARK 210 FROM 80MS TO 800MS WERE RECCORDED IN ORDER TO DEFINE THE BEST REMARK 210 CONDITIONS AVOIDING SPIN DIFFUSION.

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 TRP A 3 94.62 -67.76 REMARK 500 ILE A 10 75.23 -107.05 REMARK 500 REMARK 500 REMARK: NULL

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACE A 1

DBREF 1IM7 A 2 14 UNP P12488 ENV_HV1BN 591 603

SEQRES 1 A 14 ACE ILE TRP GLY CYS SER GLY LYS LEU ILE CYS THR THR SEQRES 2 A 14 ALA

HET ACE A 1 6

HETNAM ACE ACETYL GROUP

FORMUL 1 ACE C2 H4 O

SSBOND 1 CYS A 5 CYS A 11 1555 1555 2.10

LINK C ACE A 1 N ILE A 2 1555 1555 1.33

SITE 1 AC1 1 TRP A 3

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