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 N 1 N N N 2 S C N 3 N C N 4 N O N 5 N C N 6 N C N 7 N C N 8 N N N 9 N C N 10 N N N 11 N N N 12 N O N 13 N H N 14 N H N 15 N H N 16 N H N 17 N H N 18 N H N 19 N H N 20 N H N 21 N H N 22 N H N 23 N H N 24 N H N 25 N H N 26 N H N 27 N H N 28 N N N 29 S C N 30 N C N 31 N O N 32 N C N 33 N C N 34 N O N 35 N N N 36 N O N 37 N H N 38 N H N 39 N H N 40 N H N 41 N H N 42 N H N 43 N H N 44 N H N 45 N N N 46 S C N 47 N C N 48 N O N 49 N C N 50 N C N 51 N O N 52 N O N 53 N O N 54 N H N 55 N H N 56 N H N 57 N H N 58 N H N 59 N H N 60 N H N 61 N N N 62 R C N 63 N C N 64 N O N 65 N C N 66 N S N 67 N O N 68 N H N 69 N H N 70 N H N 71 N H N 72 N H N 73 N H N 74 N H N 75 N N N 76 S C N 77 N C N 78 N O N 79 N C N 80 N C N 81 N C N 82 N O N 83 N N N 84 N O N 85 N H N 86 N H N 87 N H N 88 N H N 89 N H N 90 N H N 91 N H N 92 N H N 93 N H N 94 N H N 95 N N N 96 S C N 97 N C N 98 N O N 99 N C N 100 N C N 101 N C N 102 N O N 103 N O N 104 N O N 105 N H N 106 N H N 107 N H N 108 N H N 109 N H N 110 N H N 111 N H N 112 N H N 113 N H N 114 N N N 115 N C N 116 N C N 117 N O N 118 N O N 119 N H N 120 N H N 121 N H N 122 N H N 123 N H N 124 N N N 125 S C N 126 N C N 127 N O N 128 S C N 129 N C N 130 N C N 131 N C N 132 N O N 133 N H N 134 N H N 135 N H N 136 N H N 137 N H N 138 N H N 139 N H N 140 N H N 141 N H N 142 N H N 143 N H N 144 N H N 145 N H N 146 N N N 147 S C N 148 N C N 149 N O N 150 N C N 151 N C N 152 N C N 153 N C N 154 N N N 155 N O N 156 N H N 157 N H N 158 N H N 159 N H N 160 N H N 161 N H N 162 N H N 163 N H N 164 N H N 165 N H N 166 N H N 167 N H N 168 N H N 169 N H N 170 N H N 171 N N N 172 S C N 173 N C N 174 N O N 175 N C Y 176 N C Y 177 N C Y 178 N C Y 179 N C Y 180 N C Y 181 N C N 182 N O N 183 N H N 184 N H N 185 N H N 186 N H N 187 N H N 188 N H N 189 N H N 190 N H N 191 N H N 192 N H N 193 N H N 194 N N N 195 S C N 196 N C N 197 N O N 198 N C N 199 N C N 200 N C N 201 N O N 202 N H N 203 N H N 204 N H N 205 N H N 206 N H N 207 N H N 208 N H N 209 N H N 210 N H N 211 N N N 212 S C N 213 N C N 214 N O N 215 N C N 216 N O N 217 N O N 218 N H N 219 N H N 220 N H N 221 N H N 222 N H N 223 N H N 224 N H N 225 N N N 226 S C N 227 N C N 228 N O N 229 R C N 230 N O N 231 N C N 232 N O N 233 N H N 234 N H N 235 N H N 236 N H N 237 N H N 238 N H N 239 N H N 240 N H N 241 N H N 242 N N N 243 S C N 244 N C N 245 N O N 246 N C Y 247 N C Y 248 N C Y 249 N C Y 250 N C Y 251 N C Y 252 N C N 253 N O N 254 N O N 255 N H N 256 N H N 257 N H N 258 N H N 259 N H N 260 N H N 261 N H N 262 N H N 263 N H N 264 N H N 265 N H N 266 N N N 267 S C N 268 N C N 269 N O N 270 N C N 271 N C N 272 N C N 273 N O N 274 N H N 275 N H N 276 N H N 277 N H N 278 N H N 279 N H N 280 N H N 281 N H N 282 N H N 283 N H N 284 N H N 1 N sing N 2 N sing N 3 N sing N 4 N sing N 5 N sing N 6 N sing N 7 N doub N 8 N sing N 9 N sing N 10 N sing N 11 N sing N 12 N sing N 13 N sing N 14 N sing N 15 N sing N 16 N sing N 17 N sing N 18 N sing N 19 N sing N 20 N sing N 21 N doub N 22 N sing N 23 N sing N 24 N sing N 25 N sing N 26 N sing N 27 N sing N 28 N sing N 29 N sing N 30 N sing N 31 N sing N 32 N sing N 33 N doub N 34 N sing N 35 N sing N 36 N sing N 37 N sing N 38 N doub N 39 N sing N 40 N sing N 41 N sing N 42 N sing N 43 N sing N 44 N sing N 45 N sing N 46 N sing N 47 N sing N 48 N sing N 49 N doub N 50 N sing N 51 N sing N 52 N sing N 53 N sing N 54 N doub N 55 N sing N 56 N sing N 57 N sing N 58 N sing N 59 N sing N 60 N sing N 61 N sing N 62 N sing N 63 N sing N 64 N doub N 65 N sing N 66 N sing N 67 N sing N 68 N sing N 69 N sing N 70 N sing N 71 N sing N 72 N sing N 73 N sing N 74 N sing N 75 N sing N 76 N sing N 77 N doub N 78 N sing N 79 N sing N 80 N sing N 81 N sing N 82 N sing N 83 N sing N 84 N sing N 85 N doub N 86 N sing N 87 N sing N 88 N sing N 89 N sing N 90 N sing N 91 N sing N 92 N sing N 93 N sing N 94 N sing N 95 N sing N 96 N doub N 97 N sing N 98 N sing N 99 N sing N 100 N sing N 101 N sing N 102 N sing N 103 N sing N 104 N doub N 105 N sing N 106 N sing N 107 N sing N 108 N sing N 109 N sing N 110 N sing N 111 N sing N 112 N sing N 113 N sing N 114 N doub N 115 N sing N 116 N sing N 117 N sing N 118 N sing N 119 N sing N 120 N sing N 121 N sing N 122 N sing N 123 N doub N 124 N sing N 125 N sing N 126 N sing N 127 N sing N 128 N sing N 129 N sing N 130 N sing N 131 N sing N 132 N sing N 133 N sing N 134 N sing N 135 N sing N 136 N sing N 137 N sing N 138 N sing N 139 N sing N 140 N sing N 141 N sing N 142 N sing N 143 N sing N 144 N doub N 145 N sing N 146 N sing N 147 N sing N 148 N sing N 149 N sing N 150 N sing N 151 N sing N 152 N sing N 153 N sing N 154 N sing N 155 N sing N 156 N sing N 157 N sing N 158 N sing N 159 N sing N 160 N sing N 161 N sing N 162 N sing N 163 N sing N 164 N sing N 165 N sing N 166 N sing N 167 N sing N 168 N doub N 169 N sing N 170 N sing N 171 N sing N 172 N sing Y 173 N doub Y 174 N sing Y 175 N sing N 176 N sing Y 177 N doub N 178 N sing Y 179 N doub N 180 N sing Y 181 N sing N 182 N sing N 183 N sing N 184 N sing N 185 N sing N 186 N sing N 187 N sing N 188 N sing N 189 N sing N 190 N sing N 191 N doub N 192 N sing N 193 N sing N 194 N sing N 195 N sing N 196 N sing N 197 N sing N 198 N sing N 199 N sing N 200 N sing N 201 N sing N 202 N sing N 203 N sing N 204 N sing N 205 N sing N 206 N sing N 207 N sing N 208 N doub N 209 N sing N 210 N sing N 211 N sing N 212 N sing N 213 N sing N 214 N sing N 215 N sing N 216 N sing N 217 N sing N 218 N sing N 219 N sing N 220 N sing N 221 N doub N 222 N sing N 223 N sing N 224 N sing N 225 N sing N 226 N sing N 227 N sing N 228 N sing N 229 N sing N 230 N sing N 231 N sing N 232 N sing N 233 N sing N 234 N sing N 235 N sing N 236 N sing N 237 N doub N 238 N sing N 239 N sing N 240 N sing N 241 N sing Y 242 N doub Y 243 N sing Y 244 N sing N 245 N sing Y 246 N doub N 247 N sing Y 248 N doub N 249 N sing Y 250 N sing N 251 N sing N 252 N sing N 253 N sing N 254 N sing N 255 N sing N 256 N sing N 257 N sing N 258 N sing N 259 N sing N 260 N sing N 261 N doub N 262 N sing N 263 N sing N 264 N sing N 265 N sing N 266 N sing N 267 N sing N 268 N sing N 269 N sing N 270 N sing N 271 N sing N 272 N sing 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/pdb1j5j/pdb pdb_00001j5j 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 chem_comp_atom chem_comp_bond repository Initial release Version format compliance Version format compliance Database references Derived calculations Data collection 1 0 2002-11-20 1 1 2008-04-26 1 2 2011-07-13 1 3 2022-02-23 1 4 2023-12-27 _database_2.pdbx_DOI _database_2.pdbx_database_accession Proton chemical shifts and coupling constants of BeKm-1 PDB-ID 1LGL represents the ensemble. RCSB Y RCSB 2002-04-16 REL REL This structure was determined using standard 2D homonuclear techniques. 1 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 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 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 2.158 A CYS 7 A SG CYS 7 1_555 A CYS 28 A SG CYS 28 1_555 disulf 2.174 A CYS 13 A SG CYS 13 1_555 A CYS 33 A SG CYS 33 1_555 disulf 1.954 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 1J5J 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