1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Lamthanh, H. Jegou-Matheron, C. Servent, D. Menez, A. Lancelin, J.M. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 1 90.00 90.00 90.00 1.000 1.000 1.000 C3 H7 N O2 89.093 y ALANINE L-peptide linking C6 H15 N4 O2 1 175.209 y ARGININE L-peptide linking C4 H7 N O4 133.103 y ASPARTIC ACID 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 H2 N 16.023 AMINO GROUP non-polymer C5 H9 N O2 115.130 y PROLINE L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking C11 H12 N2 O2 204.225 y TRYPTOPHAN L-peptide linking NE FEBS Lett. FEBLAL 0165 0014-5793 454 293 298 10.1016/S0014-5793(99)00831-5 10431825 Minimal conformation of the alpha-conotoxin ImI for the alpha7 neuronal nicotinic acetylcholine receptor recognition: correlated CD, NMR and binding studies. 1999 US J.Biol.Chem. JBCHA3 0071 0021-9258 269 16733 16739 A Nicotinic Acetylcholine Receptor Ligand of Unique Specificity, alpha-Conotoxin ImI 1994 FR J.Physiol.(Paris) 0021-7948 92 107 111 10.1016/S0928-4257(98)80146-0 Functional Determinants by which Snake and Cone Snail Toxins Block the alpha 7 Neuronal Nicotinic Acetylcholine Receptors 1998 US J.Biol.Chem. JBCHA3 0071 0021-9258 273 11001 11006 10.1074/jbc.273.18.11001 Identification of Residues in the Neuronal alpha7 Acetylcholine Receptor that Confer Selectivity for Conotoxin ImI 1998 NE FEBS Lett. FEBLAL 0165 0014-5793 444 275 280 10.1016/S0014-5793(99)00069-1 NMR Spatial Structure of alpha-Conotoxin ImI Reveals a Common Scaffold in Snail and Snake Toxins Recognizing Neuronal Nicotinic Acetylcholine Receptors 1999 US Biochemistry BICHAW 0033 0006-2960 38 3874 3882 10.1021/bi9826254 NMR Solution Structure of alpha-Conotoxin ImI and Comparison to other Conotoxins Specific for Neuronal Nicotinic Acetylcholine Receptors 1999 10.2210/pdb1g2g/pdb pdb_00001g2g 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 1356.601 ALPHA-CONOTOXIN IMI 1 syn polymer no yes GCCSDPRCAWRC(NH2) GCCSDPRCAWRCX A polypeptide(L) n n n n n n n n n n n n n database_2 pdbx_nmr_software 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 2000-11-08 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 _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 2000-10-19 REL REL The solid phase synthesis of alpha-conotoxin ImI was carried out using the F-moc chemistry. The sequence of the protein is naturally found in the venom of Conus imperialis (Imperial cone). sample This structure was determined using standard 2D homonuclear techniques. structures with the least restraint violations,structures with the lowest energy 60 30 NOESY DQF-COSY 0.1 5.8 ambient 278 K The structures were generated using the force fields parallhdg.pro and CHARMM22 of X-PLOR. 7 closest to the average 5-6 mM alpha-ImI; 90 % H2O, 10 % D2O; 0.1 M potassium phosphate buffer pH 5.8 90 % H2O, 10 % D2O; 0.1 M potassium phosphate buffer pH 5.8 Bruker collection XwinNMR 2.5 Delsuc data analysis Gifa 4.22 Brunger refinement X-PLOR 3.851 500 Bruker DRX GLY 1 n 1 GLY 1 A CYS 2 n 2 CYS 2 A CYS 3 n 3 CYS 3 A SER 4 n 4 SER 4 A ASP 5 n 5 ASP 5 A PRO 6 n 6 PRO 6 A ARG 7 n 7 ARG 7 A CYS 8 n 8 CYS 8 A ALA 9 n 9 ALA 9 A TRP 10 n 10 TRP 10 A ARG 11 n 11 ARG 11 A CYS 12 n 12 CYS 12 A NH2 13 n 13 NH2 13 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 14 A A O HG GLY SER 1 4 1.60 5 A CYS 2 -84.70 -70.51 12 A CYS 2 -90.72 -62.40 18 A CYS 3 -78.29 24.90 22 A CYS 3 -67.58 3.20 23 A CYS 3 -69.56 2.58 27 A ALA 9 -68.32 8.68 30 A CYS 2 -87.74 -76.28 MINIMAL CONFORMATION OF THE ALPHA-CONOTOXIN IMI FOR THE ALPHA7 NEURONAL NICOTINIC ACETYLCHOLINE RECEPTOR RECOGNITION 1 N N A ASP 5 A ASP 5 HELX_P A TRP 10 A TRP 10 1 1 6 disulf 2.036 A CYS 2 A SG CYS 2 1_555 A CYS 8 A SG CYS 8 1_555 disulf 2.034 A CYS 3 A SG CYS 3 1_555 A CYS 12 A SG CYS 12 1_555 covale 1.363 both A CYS 12 A C CYS 12 1_555 A NH2 13 A N NH2 13 1_555 TOXIN alpha-helix, 3-10 helix, TOXIN CXA1_CONIM UNP 1 1 P50983 GCCSDPRCAWRC 1 12 1G2G 1 12 P50983 A 1 1 12 BINDING SITE FOR RESIDUE NH2 A 13 A NH2 13 Software 2 A ALA 9 A ALA 9 2 1_555 A CYS 12 A CYS 12 2 1_555 1 P 1