1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Korolokova, Y.V. Bocharov, E.V. Angelo, K. Maslennikov, I.V. Grinenko, O.V. Lipkin, A.V. Nosireva, E.D. Pluzhnikov, K.A. Olesen, S.-P. Arseniev, A.S. Grishin, E.V. 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 C5 H9 N O4 147.129 y GLUTAMIC ACID 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 H15 N2 O2 1 147.195 y LYSINE L-peptide linking 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 C5 H11 N O2 117.146 y VALINE L-peptide linking US J.Biol.Chem. JBCHA3 0071 0021-9258 277 43104 43109 10.1074/jbc.M204083200 12151390 New binding site on common molecular scaffold provides HERG channel specificity of scorpion toxin BeKm-1. 2002 US J.Biol.Chem. JBCHA3 0071 0021-9258 276 9868 9876 10.1074/jbc.M005973200 An ERG Channel Inhibitor from the Scorpion Buthus eupeus 2001 10.2210/pdb1lgl/pdb pdb_00001lgl 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 4103.730 BeKm-1 toxin 1 man polymer no no RPTDIKCSESYQCFPVCKSRFGKTNGRCVNGFCDCF RPTDIKCSESYQCFPVCKSRFGKTNGRCVNGFCDCF 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 n n n n n n n n n n n lesser Asian scorpion Mesobuthus Escherichia sample 34648 Mesobuthus eupeus 562 Escherichia coli HB101 PLASMID PEZZ18 database_2 pdbx_struct_assembly pdbx_struct_oper_list repository Initial release Version format compliance Version format compliance Database references Derived calculations 1 0 2002-11-20 1 1 2008-04-28 1 2 2011-07-13 1 3 2022-02-23 _database_2.pdbx_DOI _database_2.pdbx_database_accession Proton chemical shifts and coupling constants of BeKm-1 RCSB Y RCSB 2002-04-16 REL REL This structure was determined using standard 2D homonuclear techniques. target function 200 20 DQF-COSY 2D TOCSY 2D NOESY DQF-COSY 2D TOCSY 2D NOESY 0 3.5 ambient 303 K The structures are based on a total of 653 restraints: 326/67 are NOE-derived upper/lower distance constraints, 68/46 backbone/sidechain dihedral angle restraints, 64/64 upper/lower distance restraints from 23 (18 bb-bb, 5 bb-sc) hydrogen bonds, 9/9 upper/lower distance restraints from 3 SS-bonds. simulated annealing combined with torsion angle dynamics 5 lowest energy 1 mM BeKm-1, 90% H2O, 10% D2O 90% H2O/10% D2O 1 mM BeKm-1, 99.9% D2O 99.9% D2O VARIAN collection VNMR 5.3b VARIAN processing VNMR 5.3b Bartels data analysis XEASY 1.2.11 Guentert structure solution DYANA 1.5 Schaumann refinement FANTOM 4 600 Varian UNITY ARG 1 n 1 ARG 1 A PRO 2 n 2 PRO 2 A THR 3 n 3 THR 3 A ASP 4 n 4 ASP 4 A ILE 5 n 5 ILE 5 A LYS 6 n 6 LYS 6 A CYS 7 n 7 CYS 7 A SER 8 n 8 SER 8 A GLU 9 n 9 GLU 9 A SER 10 n 10 SER 10 A TYR 11 n 11 TYR 11 A GLN 12 n 12 GLN 12 A CYS 13 n 13 CYS 13 A PHE 14 n 14 PHE 14 A PRO 15 n 15 PRO 15 A VAL 16 n 16 VAL 16 A CYS 17 n 17 CYS 17 A LYS 18 n 18 LYS 18 A SER 19 n 19 SER 19 A ARG 20 n 20 ARG 20 A PHE 21 n 21 PHE 21 A GLY 22 n 22 GLY 22 A LYS 23 n 23 LYS 23 A THR 24 n 24 THR 24 A ASN 25 n 25 ASN 25 A GLY 26 n 26 GLY 26 A ARG 27 n 27 ARG 27 A CYS 28 n 28 CYS 28 A VAL 29 n 29 VAL 29 A ASN 30 n 30 ASN 30 A GLY 31 n 31 GLY 31 A PHE 32 n 32 PHE 32 A CYS 33 n 33 CYS 33 A ASP 34 n 34 ASP 34 A CYS 35 n 35 CYS 35 A PHE 36 n 36 PHE 36 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 A O ILE 5 A O ILE 5 A N CYS 33 A N CYS 33 A N PHE 36 A N PHE 36 A O ASN 25 A O ASN 25 10 A ARG 27 0.101 SIDE CHAIN 15 A ARG 27 0.113 SIDE CHAIN 16 A ARG 1 0.110 SIDE CHAIN 1 A THR 3 -127.12 -161.28 2 A THR 3 -126.95 -164.54 3 A THR 3 -125.60 -164.29 6 A THR 3 -126.54 -165.06 8 A THR 3 -124.99 -164.67 10 A THR 3 -126.41 -162.36 12 A THR 3 -123.47 -162.14 15 A THR 3 -126.62 -164.11 16 A THR 3 -123.98 -164.44 18 A THR 3 -126.98 -159.58 20 A THR 3 -129.39 -159.61 Solution structure of HERG-specific scorpion toxin BeKm-1 1 N N A GLU 9 A GLU 9 HELX_P A GLN 12 A GLN 12 5 1 4 A CYS 13 A CYS 13 HELX_P A PHE 21 A PHE 21 1 2 9 disulf 2.008 A CYS 7 A SG CYS 7 1_555 A CYS 28 A SG CYS 28 1_555 disulf 2.177 A CYS 13 A SG CYS 13 1_555 A CYS 33 A SG CYS 33 1_555 disulf 1.931 A CYS 17 A SG CYS 17 1_555 A CYS 35 A SG CYS 35 1_555 TOXIN ALPHA-BETA MOTIF, CYSTEINE-KNOT MOTIF, TOXIN SEKM_BUTEU UNP 1 22 Q9BKB7 RPTDIKCSESYQCFPVCKSRFGKTNGRCVNGFCDCF 22 57 1LGL 1 36 Q9BKB7 A 1 1 36 3 anti-parallel anti-parallel A PRO 2 A PRO 2 A LYS 6 A LYS 6 A PHE 32 A PHE 32 A PHE 36 A PHE 36 A ASN 25 A ASN 25 A VAL 29 A VAL 29