1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Phan Chan Du, A. Limal, D. Semetey, V. Dali, H. Jolivet, M. Desgranges, C. Cung, M.T. Briand, J.P. Petit, M.C. Muller, S. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 1 90 90 90 1 1 1 C2 H4 O 44.053 ACETYL GROUP non-polymer C3 H7 N O2 89.093 y ALANINE L-peptide linking C3 H7 N O2 S 121.158 y CYSTEINE L-peptide linking C2 H5 N O2 75.067 y GLYCINE peptide linking C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking C6 H13 N O2 131.173 y LEUCINE L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking C4 H9 N O3 119.119 y THREONINE L-peptide linking C11 H12 N2 O2 204.225 y TRYPTOPHAN L-peptide linking UK J.Mol.Biol. JMOBAK 0070 0022-2836 323 503 521 10.1016/S0022-2836(02)00701-5 12381305 Structural and immunological characterisation of heteroclitic peptide analogues corresponding to the 600-612 region of the HIV envelope gp41 glycoprotein. 2002 10.2210/pdb1im7/pdb pdb_00001im7 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 1 SINGLE WAVELENGTH M 1 1.0 1379.668 GP41-PARENT PEPTIDE ACE-ILE-TRP-GLY-CYS-SER-GLY-LYS-LEU-ILE-CYS-THR-THR-ALA 1 syn polymer no yes (ACE)IWGCSGKLICTTA XIWGCSGKLICTTA A polypeptide(L) n n n n n n n n n n n n n n database_2 pdbx_nmr_software pdbx_nmr_spectrometer pdbx_struct_assembly pdbx_struct_oper_list struct_conn struct_site repository Initial release Version format compliance Version format compliance Data collection Database references Derived calculations 1 0 2002-10-23 1 1 2008-04-27 1 2 2011-07-13 1 3 2022-02-23 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_nmr_software.name _pdbx_nmr_spectrometer.model _struct_conn.pdbx_leaving_atom_flag _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id RCSB Y RCSB 2001-05-10 REL REL THIS SEQUENCE OCCURS NATURALLY IN HUMAN IMMUNODEFICIENCY VIRUS TYPE 1 sample This structure was determined using standard 2D homonuclear techniques. NOESY experiments with mixing times from 80ms to 800ms were reccorded in order to define the best conditions avoiding spin diffusion. target function 50 1 2D NOESY ambient 298 K 50 initial random strucutres were produced using simulated annealing in DYANA software.Refinement was done with 500 steps restrained minimization , 35ps MD in vacuo at 300K for equilibration and 200ps MD under NMR restraints and 750 steps conjugeted gradient EM using DISCOVER module of MSI software. torsion angle dynamics energy minimisation 1 minimized average structure 2mM and 4mM peptide ; 500 ul DMSO-D6 DMSO-D6 Bruker brmH collection XwinNMR 2.6 Bruker brmH processing XwinNMR 2.6 Bartels C.,Xia T. , Billeter M., Guentert P. and Wthrich K. J. Biomolecular NMR 5, 1-10 data analysis XEASY Guentert P., Mumenthaler C.and Wuethrich K., (1997) J. Mol. Biol. 273, 283-298 refinement DYANA 1.5 Molecular SImulation Inc., San Diego refinement Discover 3 400 Bruker AVANCE 600 Bruker AVANCE ACE 1 n 1 ACE 1 A ILE 2 n 2 ILE 2 A TRP 3 n 3 TRP 3 A GLY 4 n 4 GLY 4 A CYS 5 n 5 CYS 5 A SER 6 n 6 SER 6 A GLY 7 n 7 GLY 7 A LYS 8 n 8 LYS 8 A LEU 9 n 9 LEU 9 A ILE 10 n 10 ILE 10 A CYS 11 n 11 CYS 11 A THR 12 n 12 THR 12 A THR 13 n 13 THR 13 A ALA 14 n 14 ALA 14 A author_defined_assembly 1 monomeric 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 x,y,z identity operation 0.0000000000 0.0000000000 0.0000000000 1 A TRP 3 -67.76 94.62 1 A ILE 10 -107.05 75.23 minimized average Solution structure of synthetic cyclic peptide mimicking the loop of HIV-1 gp41 glycoprotein envelope 1 N N disulf 2.101 A CYS 5 A SG CYS 5 1_555 A CYS 11 A SG CYS 11 1_555 covale 1.325 both A ACE 1 A C ACE 1 1_555 A ILE 2 A N ILE 2 1_555 VIRAL PROTEIN Cyclic peptide, Viral protein ENV_HV1BN UNP 1 591 P12488 IWGCSGKLICTTA 591 603 1IM7 2 14 P12488 A 1 2 14 BINDING SITE FOR RESIDUE ACE A 1 A ACE 1 Software 1 A TRP 3 A TRP 3 1 1_555 1 P 1