1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Dutton, J.L. Bansal, P.S. Hogg, R.C. Adams, D.J. Alewood, P.F. Craik, D.J. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic C3 H7 N O2 89.093 y ALANINE 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 C2 H5 N O2 75.067 y GLYCINE peptide linking H2 N 16.023 AMINO GROUP non-polymer C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking 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 277 48849 48857 10.1074/jbc.M208842200 12376538 A New Level of Conotoxin Diversity, a Non-native Disulfide Bond Connectivity in alpha -Conotoxin AuIB Reduces Structural Definition but Increases Biological Activity. 2002 10.2210/pdb1mxn/pdb pdb_00001mxn 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 1575.788 alpha-conotoxin AuIB 1 syn polymer no yes GCCSYPPCFATNPDC(NH2) GCCSYPPCFATNPDCX A polypeptide(L) 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_site repository Initial release Version format compliance Version format compliance Data collection Database references Derived calculations 1 0 2002-12-30 1 1 2008-04-28 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 1MXP contains solution structure of the ribbon disulfide bond isomer of the same protein RCSB Y PDBJ 2002-10-02 REL REL This peptide was synthesised by BOC chemistry but occurs naturally in Conus aulicus. sample This structure was determined using standard 2D homonuclear techniques. structures with the least restraint violations,structures with the lowest energy 50 20 2D NOESY 2D TOCSY E-COSY DQF-COSY 0 3.5 atmospheric atm 290 K 32 medium and 18 long range NOEs were included, 7 dihedral angle restraints were included, 5 H-bond restraints were included simulated annealing, molecular dynamics, energy minimisation in a CHARM forcefield 8 closest to the average 2mM peptide 90% H2O/10% D2O Bruker collection XwinNMR 2.6 Bruker processing XwinNMR 2.6 Brunger refinement X-PLOR 3.851 then 3.1f Brunger structure solution X-PLOR 3.851 then 3.1f 750 Bruker DMX 500 Bruker ARX 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 TYR 5 n 5 TYR 5 A PRO 6 n 6 PRO 6 A PRO 7 n 7 PRO 7 A CYS 8 n 8 CYS 8 A PHE 9 n 9 PHE 9 A ALA 10 n 10 ALA 10 A THR 11 n 11 THR 11 A ASN 12 n 12 ASN 12 A PRO 13 n 13 PRO 13 A ASP 14 n 14 ASP 14 A CYS 15 n 15 CYS 15 A CYS 15 n 16 NH2 16 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 2 7.24 1.10 114.20 121.44 A A A CA CB SG CYS CYS CYS 3 3 3 N 4 6.82 1.10 114.20 121.02 A A A CA CB SG CYS CYS CYS 2 2 2 N 4 7.45 1.10 114.20 121.65 A A A CA CB SG CYS CYS CYS 3 3 3 N 6 8.48 1.10 114.20 122.68 A A A CA CB SG CYS CYS CYS 2 2 2 N 7 6.76 1.10 114.20 120.96 A A A CA CB SG CYS CYS CYS 2 2 2 N 8 6.63 1.10 114.20 120.83 A A A CA CB SG CYS CYS CYS 2 2 2 N 10 7.34 1.10 114.20 121.54 A A A CA CB SG CYS CYS CYS 2 2 2 N 11 7.29 1.10 114.20 121.49 A A A CA CB SG CYS CYS CYS 2 2 2 N 12 7.12 1.10 114.20 121.32 A A A CA CB SG CYS CYS CYS 2 2 2 N 12 7.34 1.10 114.20 121.54 A A A CA CB SG CYS CYS CYS 3 3 3 N 14 6.94 1.10 114.20 121.14 A A A CA CB SG CYS CYS CYS 3 3 3 N 18 7.64 1.10 114.20 121.84 A A A CA CB SG CYS CYS CYS 3 3 3 N 19 6.68 1.10 114.20 120.88 A A A CA CB SG CYS CYS CYS 2 2 2 N 20 A PRO 13 -59.31 -9.22 Solution structure of alpha-conotoxin AuIB 1 N N A GLY 1 A GLY 1 HELX_P A SER 4 A SER 4 5 1 4 A TYR 5 A TYR 5 HELX_P A ASN 12 A ASN 12 1 2 8 disulf 2.018 A CYS 2 A SG CYS 2 1_555 A CYS 8 A SG CYS 8 1_555 disulf 2.022 A CYS 3 A SG CYS 3 1_555 A CYS 15 A SG CYS 15 1_555 covale 1.305 both A CYS 15 A C CYS 15 1_555 A NH2 16 A N NH2 16 1_555 TOXIN alpha helix, TOXIN CXA2_CONAL UNP 1 1 P56640 GCCSYPPCFATNPDC 1 15 1MXN 1 15 P56640 A 1 1 15 BINDING SITE FOR RESIDUE NH2 A 16 A NH2 16 Software 3 A PHE 9 A PHE 9 3 1_555 A ASP 14 A ASP 14 3 1_555 A CYS 15 A CYS 15 3 1_555