1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Kuang, Z. 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 H9 N O4 147.129 y GLUTAMIC ACID L-peptide linking C2 H5 N O2 75.067 y GLYCINE peptide linking C6 H10 N3 O2 1 156.162 y HISTIDINE L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking H2 N 16.023 AMINO GROUP non-polymer C3 H7 N O3 105.093 y SERINE L-peptide linking C11 H12 N2 O2 204.225 y TRYPTOPHAN L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking US Acs Chem.Biol. 1554-8929 8 1344 1351 10.1021/cb300674x 23557677 Mammalian neuronal sodium channel blocker mu-conotoxin BuIIIB has a structured N-terminus that influences potency. 2013 10.2210/pdb2lo9/pdb pdb_00002lo9 2776.285 Mu-conotoxin BuIIIB 1 syn polymer Conotoxin Bu16 no yes VGERCCKNGKRGCGRWCRDHSRCC(NH2) VGERCCKNGKRGCGRWCRDHSRCCX A polypeptide(L) n n n n n n n n n n n n n n n n n n n n n n n n n database_2 pdbx_database_status pdbx_nmr_software pdbx_nmr_spectrometer struct_conn struct_ref_seq_dif repository Initial release Database references Database references Data collection Database references Derived calculations Other 1 0 2013-01-23 1 1 2013-09-11 1 2 2014-02-19 1 3 2023-06-14 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_database_status.status_code_nmr_data _pdbx_nmr_software.name _pdbx_nmr_spectrometer.model _struct_conn.pdbx_leaving_atom_flag _struct_ref_seq_dif.details BMRB Y RCSB 2012-01-20 REL REL REL REL 89438 Bubble cone Conus bullatus sample structures with the lowest energy 200 20 2D 1H-1H TOCSY 2D DQF-COSY 2D 1H-1H NOESY 2D 1H-15N HSQC 2D 1H-13C HSQC 2.6 mM 5.5 ambient 278 K DGSA-distance geometry simulated annealing 1 closest to the average 2.6 mM BuIIIB, 95% H2O/5% D2O 95% H2O/5% D2O Bruker Biospin collection TopSpin Bruker Biospin processing TopSpin Bartels et al. data analysis XEASY Guntert, Mumenthaler and Wuthrich structure solution CYANA Schwieters, Kuszewski, Tjandra and Clore structure solution X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore refinement X-PLOR NIH 600 Bruker DRX Bruker DRX 500 Bruker AVANCE Bruker Avance 800 Bruker AVANCE Bruker Avance VAL 1 n 1 VAL 1 A GLY 2 n 2 GLY 2 A GLU 3 n 3 GLU 3 A ARG 4 n 4 ARG 4 A CYS 5 n 5 CYS 5 A CYS 6 n 6 CYS 6 A LYS 7 n 7 LYS 7 A ASN 8 n 8 ASN 8 A GLY 9 n 9 GLY 9 A LYS 10 n 10 LYS 10 A ARG 11 n 11 ARG 11 A GLY 12 n 12 GLY 12 A CYS 13 n 13 CYS 13 A GLY 14 n 14 GLY 14 A ARG 15 n 15 ARG 15 A TRP 16 n 16 TRP 16 A CYS 17 n 17 CYS 17 A ARG 18 n 18 ARG 18 A ASP 19 n 19 ASP 19 A HIS 20 n 20 HIS 20 A SER 21 n 21 SER 21 A ARG 22 n 22 ARG 22 A CYS 23 n 23 CYS 23 A CYS 24 n 24 CYS 24 A CYS 24 n 25 NH2 25 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 A O H TRP HIS 16 20 1.58 1 A A OD1 HE ASN ARG 8 11 1.60 2 A A O H TRP HIS 16 20 1.57 2 A A OE1 HZ2 GLU LYS 3 7 1.59 3 A A OE2 HZ2 GLU LYS 3 7 1.52 3 A A O H TRP HIS 16 20 1.60 4 A A OE2 HZ3 GLU LYS 3 7 1.54 4 A A O H TRP HIS 16 20 1.58 6 A A O H GLY CYS 2 5 1.56 6 A A OE2 HZ2 GLU LYS 3 7 1.59 7 A A O H TRP HIS 16 20 1.57 7 A A O H CYS SER 17 21 1.59 7 A A O H GLY ARG 14 18 1.59 8 A A O H TRP HIS 16 20 1.54 9 A A O H TRP HIS 16 20 1.59 10 A A O H TRP HIS 16 20 1.51 11 A A O H CYS SER 17 21 1.55 13 A A O H SER CYS 21 23 1.58 14 A A O H TRP HIS 16 20 1.58 15 A A O H CYS SER 17 21 1.56 15 A A O H GLY CYS 2 5 1.58 15 A A OD1 HE ASN ARG 8 11 1.59 16 A A O HG GLY SER 2 21 1.59 17 A A O H TRP HIS 16 20 1.53 17 A A O H CYS SER 17 21 1.55 18 A A O H TRP HIS 16 20 1.58 19 A A O H TRP HIS 16 20 1.52 19 A A O H CYS SER 17 21 1.60 20 A A O H TRP HIS 16 20 1.53 20 A A O H CYS SER 17 21 1.56 20 A A O H GLY ARG 14 18 1.57 2 A ARG 22 -92.03 52.74 6 A GLU 3 -39.13 -37.65 7 A CYS 23 -169.05 85.29 8 A CYS 5 -65.56 -73.39 8 A CYS 23 -142.76 42.49 9 A CYS 5 -63.20 -74.81 10 A CYS 5 -67.17 -70.24 14 A CYS 13 -39.48 130.92 15 A GLU 3 -36.60 -38.36 16 A CYS 5 -64.29 -71.67 18 A CYS 23 -153.22 61.87 19 A ARG 22 -98.50 42.76 20 A CYS 5 -88.35 -80.96 20 A CYS 23 -151.40 25.66 closest to the average, model 1 NMR solution structure of Mu-contoxin BuIIIB 1 N N A GLY 2 A GLY 2 HELX_P A LYS 7 A LYS 7 1 1 6 A ASN 8 A ASN 8 HELX_P A GLY 12 A GLY 12 5 2 5 A GLY 14 A GLY 14 HELX_P A SER 21 A SER 21 1 3 8 disulf 2.014 A CYS 5 A SG CYS 5 1_555 A CYS 17 A SG CYS 17 1_555 disulf 2.017 A CYS 6 A SG CYS 6 1_555 A CYS 23 A SG CYS 23 1_555 disulf 2.017 A CYS 13 A SG CYS 13 1_555 A CYS 24 A SG CYS 24 1_555 covale 1.302 both A CYS 24 A C CYS 24 1_555 A NH2 25 A N NH2 25 1_555 TOXIN TOXIN CM3B_CONBU UNP 1 52 C1J5M6 VGERCCKNGKRGCGRWCRDHSRCC 52 75 2LO9 1 24 C1J5M6 A 1 1 24 1 amidation NH2 25 2LO9 A C1J5M6 UNP 25