1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Park, K.H. Suk, J.E. Jacobsen, R. Gray, W.R. McIntosh, J.M. Han, K.H. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic C6 H15 N4 O2 1 175.209 y ARGININE L-peptide linking C4 H8 N2 O3 132.118 y ASPARAGINE 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 C5 H10 N2 O3 146.144 y GLUTAMINE L-peptide linking C6 H10 N3 O2 1 156.162 y HISTIDINE L-peptide linking C5 H9 N O3 131.130 n 4-HYDROXYPROLINE HYDROXYPROLINE L-peptide linking C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking C5 H11 N O2 S 149.211 y METHIONINE L-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 C4 H9 N O3 119.119 y THREONINE L-peptide linking C9 H11 N O3 181.189 y TYROSINE L-peptide linking US J.BIOL.CHEM. JBCHA3 0071 0021-9258 276 49028 49033 10.1074/jbc.M107798200 11641403 Solution conformation of alpha-conotoxin EI, a neuromuscular toxin specific for the alpha 1/delta subunit interface of torpedo nicotinic acetylcholine receptor 2001 10.2210/pdb1k64/pdb pdb_00001k64 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 2098.410 alpha-conotoxin EI 1 syn polymer no yes RD(HYP)CCYHPTCNMSNPQIC(NH2) RDPCCYHPTCNMSNPQICX A polypeptide(L) n n n n n n 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_ref_seq_dif struct_site repository Initial release Version format compliance Version format compliance Data collection Database references Derived calculations 1 0 2003-09-09 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_ref_seq_dif.details _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id 1PLP contains The Cytoplasmic Domain Of Phospholamban 1QS3 contains Conformation Of An Antitoxic Analog Of alpha- Conotoxin Gi 1DG2 contains Conformation Of A-Conotoxin Auib RCSB Y PDBJ 2001-10-15 REL REL The peptide was chemically synthesized. The sequence of the peptide is naturally found in Conus ermineus. sample tocsy, cosy, roesy back calculated data agree with experimental NOESY spectrum,structures with acceptable covalent geometry,structures with the least restraint violations 50 20 2D NOESY PE-COSY 0 4.3 1 atm 278 K distance geometry, simulated annealing, matrix relaxation 10 closest to the average 5mM a-conotoxin EI 90% H2O/10% D2O Varain Inc. collection VNMR 5.3B MSI Inc. processing Felix 95.0. MSI Inc. data analysis DGII 3.0. MSI Inc. refinement Discover 2.9.7 James, T. iterative matrix relaxation CORMA 5.2 James, T. iterative matrix relaxation MARDIGRAS 3.2. 600 Varian INOVA 500 Varian UNITY ARG 1 n 1 ARG 1 A ASP 2 n 2 ASP 2 A HYP 3 n 3 HYP 3 A CYS 4 n 4 CYS 4 A CYS 5 n 5 CYS 5 A TYR 6 n 6 TYR 6 A HIS 7 n 7 HIS 7 A PRO 8 n 8 PRO 8 A THR 9 n 9 THR 9 A CYS 10 n 10 CYS 10 A ASN 11 n 11 ASN 11 A MET 12 n 12 MET 12 A SER 13 n 13 SER 13 A ASN 14 n 14 ASN 14 A PRO 15 n 15 PRO 15 A GLN 16 n 16 GLN 16 A ILE 17 n 17 ILE 17 A CYS 18 n 18 CYS 18 A NH2 19 n 19 NH2 19 A author_defined_assembly 1 monomeric A HYP 3 4-HYDROXYPROLINE A HYP 3 PRO 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 5 A A CYS ASN 10 11 -146.61 8 A A ILE CYS 17 18 -144.74 11 A A CYS ASN 10 11 -144.84 12 A A ILE CYS 17 18 -149.77 13 A A ARG ASP 1 2 136.43 20 A A CYS ASN 10 11 -145.70 1 A TYR 6 0.073 SIDE CHAIN 2 A ARG 1 0.099 SIDE CHAIN 3 A ARG 1 0.076 SIDE CHAIN 7 A TYR 6 0.100 SIDE CHAIN 8 A TYR 6 0.100 SIDE CHAIN 9 A ARG 1 0.097 SIDE CHAIN 10 A TYR 6 0.084 SIDE CHAIN 14 A TYR 6 0.090 SIDE CHAIN 15 A ARG 1 0.113 SIDE CHAIN 15 A TYR 6 0.123 SIDE CHAIN 17 A TYR 6 0.084 SIDE CHAIN 19 A ARG 1 0.086 SIDE CHAIN 19 A TYR 6 0.118 SIDE CHAIN 20 A TYR 6 0.106 SIDE CHAIN 3 9.00 1.10 114.20 123.20 A A A CA CB SG CYS CYS CYS 5 5 5 N 6 8.19 1.10 114.20 122.39 A A A CA CB SG CYS CYS CYS 5 5 5 N 7 7.84 1.10 114.20 122.04 A A A CA CB SG CYS CYS CYS 5 5 5 N 8 8.13 1.10 114.20 122.33 A A A CA CB SG CYS CYS CYS 4 4 4 N 8 6.78 1.10 114.20 120.98 A A A CA CB SG CYS CYS CYS 5 5 5 N 12 10.39 1.10 114.20 124.59 A A A CA CB SG CYS CYS CYS 5 5 5 N 14 6.83 1.10 114.20 121.03 A A A CA CB SG CYS CYS CYS 10 10 10 N 19 8.94 1.10 114.20 123.14 A A A CA CB SG CYS CYS CYS 5 5 5 N 1 A PRO 8 -24.68 -71.74 1 A ASN 14 -151.47 66.68 2 A PRO 8 -28.00 -73.18 2 A GLN 16 -39.49 -35.36 3 A THR 9 -29.71 -52.82 3 A ASN 14 -153.62 73.47 3 A GLN 16 -38.18 -33.00 4 A ASP 2 -59.38 107.48 4 A ASN 14 -152.33 73.24 5 A ASN 14 -151.11 64.14 6 A ASN 14 -152.40 68.88 7 A PRO 8 -28.47 -69.13 7 A ASN 14 -151.38 70.74 7 A GLN 16 -39.09 -34.81 9 A PRO 8 -22.29 -75.36 9 A ASN 14 -152.05 70.87 9 A GLN 16 -35.42 -39.33 10 A PRO 8 -24.63 -73.32 10 A ASN 14 -151.97 71.99 11 A ASP 2 -47.77 104.86 11 A ASN 14 -150.36 71.37 11 A GLN 16 -28.11 -56.70 12 A ASP 2 -29.75 97.85 12 A ASN 14 -152.66 71.39 13 A ASN 14 -150.90 82.95 15 A ASP 2 -36.10 129.11 15 A THR 9 -29.89 -52.99 15 A ASN 14 -150.29 68.79 16 A PRO 8 -29.98 -54.19 16 A THR 9 -29.82 -52.99 16 A ASN 14 -153.03 73.40 16 A GLN 16 -39.67 -36.10 17 A PRO 8 -25.75 -70.86 17 A ASN 14 -151.73 72.02 18 A ASN 14 -152.52 74.99 18 A GLN 16 -20.78 -60.92 19 A ASP 2 -29.95 97.39 19 A ASN 14 -152.22 69.89 20 A ASN 14 -152.01 73.22 NMR Structue of alpha-conotoxin EI 1 N N A ASP 2 A ASP 2 HELX_P A TYR 6 A TYR 6 5 1 5 A HIS 7 A HIS 7 HELX_P A SER 13 A SER 13 1 2 7 A ASN 14 A ASN 14 HELX_P A CYS 18 A CYS 18 5 3 5 disulf 2.035 A CYS 4 A SG CYS 4 1_555 A CYS 10 A SG CYS 10 1_555 disulf 2.039 A CYS 5 A SG CYS 5 1_555 A CYS 18 A SG CYS 18 1_555 covale 1.343 both A ASP 2 A C ASP 2 1_555 A HYP 3 A N HYP 3 1_555 covale 1.334 both A HYP 3 A C HYP 3 1_555 A CYS 4 A N CYS 4 1_555 covale 1.329 both A CYS 18 A C CYS 18 1_555 A NH2 19 A N NH2 19 1_555 TOXIN omega-shaped containing a-helix, TOXIN CXA1_CONER UNP 1 P50982 RDPCCYHPTCNMSNPQIC 1 18 1K64 1 18 P50982 A 1 1 18 1 PRO modified residue HYP 3 1K64 A P50982 UNP 3 3 BINDING SITE FOR RESIDUE NH2 A 19 A NH2 19 Software 2 A PRO 15 A PRO 15 2 1_555 A CYS 18 A CYS 18 2 1_555