0.023786 0.000000 0.000000 0.000000 0.006521 0.000000 0.000000 0.000000 0.013649 0.00000 0.00000 0.00000 Harel, M. Kasher, R. Sussman, J.L. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 16 90.00 90.00 90.00 42.042 153.356 73.263 C3 H7 N O2 89.093 y ALANINE L-peptide linking 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 H10 N3 O2 1 156.162 y HISTIDINE L-peptide linking H2 O 18.015 WATER non-polymer C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking I -1 126.904 IODIDE ION non-polymer C6 H13 N O2 131.173 y LEUCINE L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking C5 H11 N O2 S 149.211 y METHIONINE 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 C11 H12 N2 O2 204.225 y TRYPTOPHAN 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 O N 7 N H N 8 N H N 9 N H N 10 N H N 11 N H N 12 N H N 13 N H N 14 N N N 15 S C N 16 N C N 17 N O N 18 N C N 19 N C N 20 N C N 21 N N N 22 N C N 23 N N N 24 N N N 25 N O N 26 N H N 27 N H N 28 N H N 29 N H N 30 N H N 31 N H N 32 N H N 33 N H N 34 N H N 35 N H N 36 N H N 37 N H N 38 N H N 39 N H N 40 N H N 41 N N N 42 S C N 43 N C N 44 N O N 45 N C N 46 N C N 47 N O N 48 N N N 49 N O N 50 N H N 51 N H N 52 N H N 53 N H N 54 N H N 55 N H N 56 N H N 57 N H N 58 N N N 59 S C N 60 N C N 61 N O N 62 N C N 63 N C N 64 N O N 65 N O N 66 N O N 67 N H 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 N N 75 R C N 76 N C N 77 N O N 78 N C N 79 N S N 80 N O N 81 N H N 82 N H N 83 N H N 84 N H N 85 N H N 86 N H N 87 N H N 88 N N N 89 S C N 90 N C N 91 N O N 92 N C N 93 N C N 94 N C N 95 N O N 96 N N N 97 N O N 98 N H N 99 N H N 100 N H N 101 N H N 102 N H N 103 N H N 104 N H N 105 N H N 106 N H N 107 N H N 108 N N N 109 S C N 110 N C N 111 N O N 112 N C N 113 N C N 114 N C N 115 N O N 116 N O N 117 N O N 118 N H N 119 N H N 120 N H N 121 N H N 122 N H N 123 N H N 124 N H N 125 N H N 126 N H N 127 N N N 128 N C N 129 N C N 130 N O N 131 N O N 132 N H N 133 N H N 134 N H N 135 N H N 136 N H N 137 N N N 138 S C N 139 N C N 140 N O N 141 N C Y 142 N C Y 143 N N Y 144 N C Y 145 N C Y 146 N N N 147 N O N 148 N H N 149 N H N 150 N H N 151 N H N 152 N H N 153 N H N 154 N H N 155 N H N 156 N H N 157 N H N 158 N O N 159 N H N 160 N H N 161 N N N 162 S C N 163 N C N 164 N O N 165 S C N 166 N C N 167 N C N 168 N C N 169 N O N 170 N H N 171 N H N 172 N H N 173 N H N 174 N H N 175 N H N 176 N H N 177 N H N 178 N H N 179 N H N 180 N H N 181 N H N 182 N H N 183 N I N 184 N N N 185 S C N 186 N C N 187 N O N 188 N C N 189 N C N 190 N C N 191 N C N 192 N O N 193 N H N 194 N H N 195 N H N 196 N H N 197 N H N 198 N H N 199 N H N 200 N H N 201 N H N 202 N H N 203 N H N 204 N H N 205 N H N 206 N N N 207 S C N 208 N C N 209 N O N 210 N C N 211 N C N 212 N C N 213 N C N 214 N N N 215 N O N 216 N H N 217 N H 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 H N 226 N H N 227 N H N 228 N H N 229 N H N 230 N H N 231 N N N 232 S C N 233 N C N 234 N O N 235 N C N 236 N C N 237 N S N 238 N C N 239 N O N 240 N H N 241 N H N 242 N H N 243 N H N 244 N H N 245 N H N 246 N H N 247 N H N 248 N H N 249 N H N 250 N H N 251 N N N 252 S C N 253 N C N 254 N O N 255 N C Y 256 N C Y 257 N C Y 258 N C Y 259 N C Y 260 N C Y 261 N C N 262 N O N 263 N H N 264 N H N 265 N H N 266 N H N 267 N H N 268 N H N 269 N H N 270 N H N 271 N H N 272 N H N 273 N H N 274 N N N 275 S C N 276 N C N 277 N O N 278 N C N 279 N C N 280 N C N 281 N O N 282 N H N 283 N H N 284 N H N 285 N H N 286 N H N 287 N H N 288 N H N 289 N H N 290 N H N 291 N N N 292 S C N 293 N C N 294 N O N 295 N C N 296 N O N 297 N O N 298 N H N 299 N H N 300 N H N 301 N H N 302 N H N 303 N H N 304 N H N 305 N N N 306 S C N 307 N C N 308 N O N 309 R C N 310 N O N 311 N C N 312 N O N 313 N H N 314 N H N 315 N H N 316 N H N 317 N H N 318 N H N 319 N H N 320 N H N 321 N H N 322 N N N 323 S C N 324 N C N 325 N O N 326 N C Y 327 N C Y 328 N C Y 329 N C Y 330 N N Y 331 N C Y 332 N C Y 333 N C Y 334 N C Y 335 N C N 336 N O N 337 N H N 338 N H N 339 N H N 340 N H N 341 N H N 342 N H N 343 N H N 344 N H N 345 N H N 346 N H N 347 N H N 348 N H N 349 N N N 350 S C N 351 N C N 352 N O N 353 N C Y 354 N C Y 355 N C Y 356 N C Y 357 N C Y 358 N C Y 359 N C N 360 N O N 361 N O N 362 N H N 363 N H N 364 N H N 365 N H N 366 N H N 367 N H N 368 N H N 369 N H N 370 N H N 371 N H N 372 N H N 373 N N N 374 S C N 375 N C N 376 N O N 377 N C N 378 N C N 379 N C N 380 N O N 381 N H N 382 N H N 383 N H N 384 N H N 385 N H N 386 N H N 387 N H N 388 N H N 389 N H N 390 N H N 391 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 doub N 20 N sing N 21 N sing 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 sing 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 doub N 46 N sing N 47 N sing N 48 N sing N 49 N sing N 50 N doub N 51 N sing N 52 N sing N 53 N sing N 54 N sing 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 doub N 62 N sing N 63 N sing N 64 N sing N 65 N sing N 66 N doub 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 doub N 77 N sing 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 sing N 86 N sing N 87 N sing N 88 N sing N 89 N doub 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 sing N 97 N doub 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 sing N 105 N sing N 106 N sing N 107 N sing N 108 N doub N 109 N sing N 110 N sing N 111 N sing N 112 N sing N 113 N sing N 114 N sing N 115 N sing N 116 N doub 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 sing N 124 N sing N 125 N sing N 126 N doub 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 doub N 136 N sing N 137 N sing N 138 N sing N 139 N sing Y 140 N sing Y 141 N doub Y 142 N doub N 143 N sing Y 144 N sing N 145 N sing Y 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 doub 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 sing N 169 N sing N 170 N sing N 171 N sing N 172 N sing N 173 N sing N 174 N sing N 175 N sing N 176 N sing N 177 N sing N 178 N sing N 179 N doub N 180 N sing N 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 sing 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 doub 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 sing 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 sing N 222 N sing N 223 N sing N 224 N doub 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 sing N 238 N sing N 239 N sing N 240 N sing N 241 N sing N 242 N sing N 243 N doub N 244 N sing N 245 N sing N 246 N sing N 247 N sing Y 248 N doub Y 249 N sing Y 250 N sing N 251 N sing Y 252 N doub N 253 N sing Y 254 N doub N 255 N sing Y 256 N sing N 257 N sing N 258 N sing N 259 N sing N 260 N sing N 261 N sing N 262 N sing N 263 N sing N 264 N sing N 265 N sing N 266 N doub N 267 N sing N 268 N sing N 269 N sing N 270 N sing N 271 N sing N 272 N sing N 273 N sing N 274 N sing N 275 N sing N 276 N sing N 277 N sing N 278 N sing N 279 N sing N 280 N sing N 281 N sing N 282 N sing N 283 N doub N 284 N sing N 285 N sing N 286 N sing N 287 N sing N 288 N sing N 289 N sing N 290 N sing N 291 N sing N 292 N sing N 293 N sing N 294 N sing N 295 N sing N 296 N doub N 297 N sing N 298 N sing N 299 N sing N 300 N sing N 301 N sing N 302 N sing N 303 N sing N 304 N sing N 305 N sing N 306 N sing N 307 N sing N 308 N sing N 309 N sing N 310 N sing N 311 N sing N 312 N doub N 313 N sing N 314 N sing N 315 N sing N 316 N sing Y 317 N doub Y 318 N sing Y 319 N sing N 320 N sing Y 321 N doub Y 322 N sing Y 323 N sing N 324 N sing Y 325 N sing Y 326 N doub N 327 N sing Y 328 N doub N 329 N sing Y 330 N sing N 331 N sing N 332 N sing N 333 N sing N 334 N sing N 335 N sing N 336 N sing N 337 N sing N 338 N sing N 339 N sing N 340 N doub N 341 N sing N 342 N sing N 343 N sing N 344 N sing Y 345 N doub Y 346 N sing Y 347 N sing N 348 N sing Y 349 N doub N 350 N sing Y 351 N doub N 352 N sing Y 353 N sing N 354 N sing N 355 N sing N 356 N sing N 357 N sing N 358 N sing N 359 N sing N 360 N sing N 361 N sing N 362 N sing N 363 N sing N 364 N doub N 365 N sing N 366 N sing N 367 N sing N 368 N sing N 369 N sing N 370 N sing N 371 N sing N 372 N sing N 373 N sing N 374 N sing N 375 N sing US Neuron NERNET 2038 0896-6273 32 265 10.1016/S0896-6273(01)00461-5 11683996 The Binding Site of Acetylcholine Receptor as Visualized in the X-Ray Structure of a Complex between Alpha-Bungarotoxin and a Mimotope Peptide. 2001 10.2210/pdb1hc9/pdb pdb_00001hc9 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 100.0 1 MIRRORS 2000-07-15 RIGAKU SINGLE WAVELENGTH M x-ray 1 1.5418 1.0 1.5418 ROTATING ANODE ALPHA-NEUROTOXIN 8033.334 ALPHA-BUNGAROTOXIN ISOFORM V31 1 nat polymer 8005.281 ALPHA-BUNGAROTOXIN ISOFORM A31 1 nat polymer A SYNTHESIZED PEPTIDE MIMICKING ACHR LOOP THAT INHIBITS A-BTX BINDING TO ACHR 1689.843 PEPTIDE INHIBITOR 2 syn polymer 126.904 IODIDE ION 2 syn non-polymer 18.015 water 217 nat water ALPHA-BTX V31, ALPHA-BGT(V31), BGTX V31, LONG NEUROTOXIN 1 ALPHA-BTX A31, ALPHA-BGT(A31), BGTX A31, LONG NEUROTOXIN 1 HIGH AFFINITY PEPTIDE no no IVCHTTATSPISAVTCPPGENLCYRKMWCDVFCSSRGKVVELGCAATCPSKKPYEEVTCCSTDKCNPHPKQRPG IVCHTTATSPISAVTCPPGENLCYRKMWCDVFCSSRGKVVELGCAATCPSKKPYEEVTCCSTDKCNPHPKQRPG A polypeptide(L) no no IVCHTTATSPISAVTCPPGENLCYRKMWCDAFCSSRGKVVELGCAATCPSKKPYEEVTCCSTDKCNPHPKQRPG IVCHTTATSPISAVTCPPGENLCYRKMWCDAFCSSRGKVVELGCAATCPSKKPYEEVTCCSTDKCNPHPKQRPG B polypeptide(L) no no WRYYESSLLPYPD WRYYESSLLPYPD C,D 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 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 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 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 n n n n n n n n n n n n n n n n n MANY-BANDED KRAIT sample 8616 BUNGARUS MULTICINCTUS VENOM MANY-BANDED KRAIT sample 8616 BUNGARUS MULTICINCTUS VENOM 1 3.35 63 7.50 40% PEG 3350, 0.1M PIPES BUFFER PH 7.5 chem_comp_atom chem_comp_bond database_2 pdbx_database_status pdbx_initial_refinement_model struct_sheet struct_site repository Initial release Database references Derived calculations Non-polymer description Other Refinement description Source and taxonomy Structure summary Version format compliance Database references Source and taxonomy Data collection Database references Derived calculations Other Refinement description 1 0 2001-11-10 1 1 2012-06-20 1 2 2012-12-19 1 3 2017-03-22 1 4 2023-12-13 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_database_status.status_code_sf _struct_sheet.number_strands _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id ALPHA-BUNGAROTOXIN COMPLEXED WITH THE 185 - 196 FRAGMENT OF THE ALPHA-SUBUNIT OF THE TORPEDO NICOTINIC ACETYLCHOLINE RECEPTOR (NMR, 4 STRUCTURES) SOLUTION NMR STRUCTURE OF THE COMPLEX OF ALPHA-BUNGAROTOXIN WITH A LIBRARY DERIVED PEPTIDE, 20 STRUCTURES A BETA-HAIRPIN STRUCTURE IN A 13-MER PEPTIDE THAT BINDS A-BUNGAROTOXIN WITH HIGH AFFINITY AND NEUTRALIZES ITS TOXICITY A BETA-HAIRPIN STRUCTURE IN A 13-MER PEPTIDE THAT BINDS A-BUNGAROTOXIN WITH HIGH AFFINITY AND NEUTRALIZES ITS TOXICITY NMR STRUCTURE OF THE COMPLEX BETWEEN A-BUNGAROTOXIN AND AMIMOTOPE OF THE NICOTINIC ACETILCHOLINE RECEPTOR NMR STRUCTURE OF THE COMPLEX BETWEEN A-BUNGAROTOXIN AND AMIMOTOPE OF THE NICOTINIC ACETILCHOLINE RECEPTOR THE NMR SOLUTION STRUCTURE OF THE COMPLEX FORMED BETWEEN ALPHA-BUNGAROTOXIN AND AN 18MER COGNATE PEPTIDE THE NMR SOLUTION STRUCTURE OF THE COMPLEX FORMED BETWEEN ALPHA-BUNGAROTOXIN AND AN 18MER COGNATE PEPTIDE THE NMR SOLUTION STRUCTURE OF ALPHA-BUNGAROTOXIN THE NMR SOLUTION STRUCTURE OF ALPHA-BUNGAROTOXIN SOLUTION NMR STRUCTURE OF THE COMPLEX OF ALPHA-BUNGAROTOXIN WITH A LIBRARY DERIVED PEPTIDE, NMR, MINIMIZED AVERAGE STRUCTURE PDBE Y PDBE 2001-05-02 REL REL 1 A O HOH 2002 6.64 1 A O HOH 2015 6.81 1 A O HOH 2021 6.61 1 B O HOH 2005 5.94 1 B O HOH 2006 7.65 1 B O HOH 2008 6.68 1 B O HOH 2009 6.40 1 D O HOH 2002 6.55 1 D O HOH 2003 6.94 1 D O HOH 2012 6.21 IOD IODIDE ION HOH water MIMOTOPE OF THE NICOTINIC ACETYLCHOLINE RECEPTOR 32630 SYNTHETIC CONSTRUCT sample THE PEPTIDE BINDS ALPHA-BUNGAROTOXIN AND MIMICKS BINDING OF THE TOXIN TO THE NICOTINIC ACETYLCHOLINE RECEPTOR. RESIDUES A31 IS SEEN AS VAL WITH OCCUPANCY 0.3 AND ALA WITH OCCUPANCY 0.7, ACCORDING TO A WELL KNOWN MUTATION OF ALPHA-BUNGAROTOXIN 1NTN PDB ENTRY 1NTN 1-66 RESIDUES PDB experimental model IOD 1075 4 IOD IOD 1075 A IOD 1075 4 IOD IOD 1075 B HOH 2001 5 HOH HOH 2001 A HOH 2002 5 HOH HOH 2002 A HOH 2003 5 HOH HOH 2003 A HOH 2004 5 HOH HOH 2004 A HOH 2005 5 HOH HOH 2005 A HOH 2006 5 HOH HOH 2006 A HOH 2007 5 HOH HOH 2007 A HOH 2008 5 HOH HOH 2008 A HOH 2009 5 HOH HOH 2009 A HOH 2010 5 HOH HOH 2010 A HOH 2011 5 HOH HOH 2011 A HOH 2012 5 HOH HOH 2012 A HOH 2013 5 HOH HOH 2013 A HOH 2014 5 HOH HOH 2014 A HOH 2015 5 HOH HOH 2015 A HOH 2016 5 HOH HOH 2016 A HOH 2017 5 HOH HOH 2017 A HOH 2018 5 HOH HOH 2018 A HOH 2019 5 HOH HOH 2019 A HOH 2020 5 HOH HOH 2020 A HOH 2021 5 HOH HOH 2021 A HOH 2022 5 HOH HOH 2022 A HOH 2023 5 HOH HOH 2023 A HOH 2024 5 HOH HOH 2024 A HOH 2025 5 HOH HOH 2025 A HOH 2026 5 HOH HOH 2026 A HOH 2027 5 HOH HOH 2027 A HOH 2028 5 HOH HOH 2028 A HOH 2029 5 HOH HOH 2029 A HOH 2030 5 HOH HOH 2030 A HOH 2031 5 HOH HOH 2031 A HOH 2032 5 HOH HOH 2032 A HOH 2033 5 HOH HOH 2033 A HOH 2034 5 HOH HOH 2034 A HOH 2035 5 HOH HOH 2035 A HOH 2036 5 HOH HOH 2036 A HOH 2037 5 HOH HOH 2037 A HOH 2038 5 HOH HOH 2038 A HOH 2039 5 HOH HOH 2039 A HOH 2040 5 HOH HOH 2040 A HOH 2041 5 HOH HOH 2041 A HOH 2042 5 HOH HOH 2042 A HOH 2043 5 HOH HOH 2043 A HOH 2044 5 HOH HOH 2044 A HOH 2045 5 HOH HOH 2045 A HOH 2046 5 HOH HOH 2046 A HOH 2047 5 HOH HOH 2047 A HOH 2048 5 HOH HOH 2048 A HOH 2049 5 HOH HOH 2049 A HOH 2050 5 HOH HOH 2050 A HOH 2051 5 HOH HOH 2051 A HOH 2052 5 HOH HOH 2052 A HOH 2053 5 HOH HOH 2053 A HOH 2054 5 HOH HOH 2054 A HOH 2055 5 HOH HOH 2055 A HOH 2056 5 HOH HOH 2056 A HOH 2057 5 HOH HOH 2057 A HOH 2058 5 HOH HOH 2058 A HOH 2059 5 HOH HOH 2059 A HOH 2060 5 HOH HOH 2060 A HOH 2061 5 HOH HOH 2061 A HOH 2062 5 HOH HOH 2062 A HOH 2063 5 HOH HOH 2063 A HOH 2064 5 HOH HOH 2064 A HOH 2065 5 HOH HOH 2065 A HOH 2066 5 HOH HOH 2066 A HOH 2067 5 HOH HOH 2067 A HOH 2068 5 HOH HOH 2068 A HOH 2069 5 HOH HOH 2069 A HOH 2070 5 HOH HOH 2070 A HOH 2071 5 HOH HOH 2071 A HOH 2072 5 HOH HOH 2072 A HOH 2073 5 HOH HOH 2073 A HOH 2074 5 HOH HOH 2074 A HOH 2075 5 HOH HOH 2075 A HOH 2076 5 HOH HOH 2076 A HOH 2077 5 HOH HOH 2077 A HOH 2078 5 HOH HOH 2078 A HOH 2079 5 HOH HOH 2079 A HOH 2080 5 HOH HOH 2080 A HOH 2081 5 HOH HOH 2081 A HOH 2082 5 HOH HOH 2082 A HOH 2083 5 HOH HOH 2083 A HOH 2084 5 HOH HOH 2084 A HOH 2085 5 HOH HOH 2085 A HOH 2086 5 HOH HOH 2086 A HOH 2087 5 HOH HOH 2087 A HOH 2088 5 HOH HOH 2088 A HOH 2089 5 HOH HOH 2089 A HOH 2090 5 HOH HOH 2090 A HOH 2091 5 HOH HOH 2091 A HOH 2092 5 HOH HOH 2092 A HOH 2001 5 HOH HOH 2001 B HOH 2002 5 HOH HOH 2002 B HOH 2003 5 HOH HOH 2003 B HOH 2004 5 HOH HOH 2004 B HOH 2005 5 HOH HOH 2005 B HOH 2006 5 HOH HOH 2006 B HOH 2007 5 HOH HOH 2007 B HOH 2008 5 HOH HOH 2008 B HOH 2009 5 HOH HOH 2009 B HOH 2010 5 HOH HOH 2010 B HOH 2011 5 HOH HOH 2011 B HOH 2012 5 HOH HOH 2012 B HOH 2013 5 HOH HOH 2013 B HOH 2014 5 HOH HOH 2014 B HOH 2015 5 HOH HOH 2015 B HOH 2016 5 HOH HOH 2016 B HOH 2017 5 HOH HOH 2017 B HOH 2018 5 HOH HOH 2018 B HOH 2019 5 HOH HOH 2019 B HOH 2020 5 HOH HOH 2020 B HOH 2021 5 HOH HOH 2021 B HOH 2022 5 HOH HOH 2022 B HOH 2023 5 HOH HOH 2023 B HOH 2024 5 HOH HOH 2024 B HOH 2025 5 HOH HOH 2025 B HOH 2026 5 HOH HOH 2026 B HOH 2027 5 HOH HOH 2027 B HOH 2028 5 HOH HOH 2028 B HOH 2029 5 HOH HOH 2029 B HOH 2030 5 HOH HOH 2030 B HOH 2031 5 HOH HOH 2031 B HOH 2032 5 HOH HOH 2032 B HOH 2033 5 HOH HOH 2033 B HOH 2034 5 HOH HOH 2034 B HOH 2035 5 HOH HOH 2035 B HOH 2036 5 HOH HOH 2036 B HOH 2037 5 HOH HOH 2037 B HOH 2038 5 HOH HOH 2038 B HOH 2039 5 HOH HOH 2039 B HOH 2040 5 HOH HOH 2040 B HOH 2041 5 HOH HOH 2041 B HOH 2042 5 HOH HOH 2042 B HOH 2043 5 HOH HOH 2043 B HOH 2044 5 HOH HOH 2044 B HOH 2045 5 HOH HOH 2045 B HOH 2046 5 HOH HOH 2046 B HOH 2047 5 HOH HOH 2047 B HOH 2048 5 HOH HOH 2048 B HOH 2049 5 HOH HOH 2049 B HOH 2050 5 HOH HOH 2050 B HOH 2051 5 HOH HOH 2051 B HOH 2052 5 HOH HOH 2052 B HOH 2053 5 HOH HOH 2053 B HOH 2054 5 HOH HOH 2054 B HOH 2055 5 HOH HOH 2055 B HOH 2056 5 HOH HOH 2056 B HOH 2057 5 HOH HOH 2057 B HOH 2058 5 HOH HOH 2058 B HOH 2059 5 HOH HOH 2059 B HOH 2060 5 HOH HOH 2060 B HOH 2061 5 HOH HOH 2061 B HOH 2062 5 HOH HOH 2062 B HOH 2063 5 HOH HOH 2063 B HOH 2064 5 HOH HOH 2064 B HOH 2065 5 HOH HOH 2065 B HOH 2066 5 HOH HOH 2066 B HOH 2067 5 HOH HOH 2067 B HOH 2068 5 HOH HOH 2068 B HOH 2069 5 HOH HOH 2069 B HOH 2070 5 HOH HOH 2070 B HOH 2071 5 HOH HOH 2071 B HOH 2072 5 HOH HOH 2072 B HOH 2073 5 HOH HOH 2073 B HOH 2074 5 HOH HOH 2074 B HOH 2075 5 HOH HOH 2075 B HOH 2076 5 HOH HOH 2076 B HOH 2077 5 HOH HOH 2077 B HOH 2078 5 HOH HOH 2078 B HOH 2079 5 HOH HOH 2079 B HOH 2080 5 HOH HOH 2080 B HOH 2081 5 HOH HOH 2081 B HOH 2082 5 HOH HOH 2082 B HOH 2083 5 HOH HOH 2083 B HOH 2084 5 HOH HOH 2084 B HOH 2085 5 HOH HOH 2085 B HOH 2086 5 HOH HOH 2086 B HOH 2087 5 HOH HOH 2087 B HOH 2088 5 HOH HOH 2088 B HOH 2089 5 HOH HOH 2089 B HOH 2001 5 HOH HOH 2001 C HOH 2002 5 HOH HOH 2002 C HOH 2003 5 HOH HOH 2003 C HOH 2004 5 HOH HOH 2004 C HOH 2005 5 HOH HOH 2005 C HOH 2006 5 HOH HOH 2006 C HOH 2007 5 HOH HOH 2007 C HOH 2008 5 HOH HOH 2008 C HOH 2009 5 HOH HOH 2009 C HOH 2010 5 HOH HOH 2010 C HOH 2011 5 HOH HOH 2011 C HOH 2012 5 HOH HOH 2012 C HOH 2013 5 HOH HOH 2013 C HOH 2014 5 HOH HOH 2014 C HOH 2015 5 HOH HOH 2015 C HOH 2016 5 HOH HOH 2016 C HOH 2017 5 HOH HOH 2017 C HOH 2001 5 HOH HOH 2001 D HOH 2002 5 HOH HOH 2002 D HOH 2003 5 HOH HOH 2003 D HOH 2004 5 HOH HOH 2004 D HOH 2005 5 HOH HOH 2005 D HOH 2006 5 HOH HOH 2006 D HOH 2007 5 HOH HOH 2007 D HOH 2008 5 HOH HOH 2008 D HOH 2009 5 HOH HOH 2009 D HOH 2010 5 HOH HOH 2010 D HOH 2011 5 HOH HOH 2011 D HOH 2012 5 HOH HOH 2012 D HOH 2013 5 HOH HOH 2013 D HOH 2014 5 HOH HOH 2014 D HOH 2015 5 HOH HOH 2015 D HOH 2016 5 HOH HOH 2016 D HOH 2017 5 HOH HOH 2017 D HOH 2018 5 HOH HOH 2018 D HOH 2019 5 HOH HOH 2019 D ILE 1 n 1 ILE 1 A VAL 2 n 2 VAL 2 A CYS 3 n 3 CYS 3 A HIS 4 n 4 HIS 4 A THR 5 n 5 THR 5 A THR 6 n 6 THR 6 A ALA 7 n 7 ALA 7 A THR 8 n 8 THR 8 A SER 9 n 9 SER 9 A PRO 10 n 10 PRO 10 A ILE 11 n 11 ILE 11 A SER 12 n 12 SER 12 A ALA 13 n 13 ALA 13 A VAL 14 n 14 VAL 14 A THR 15 n 15 THR 15 A CYS 16 n 16 CYS 16 A PRO 17 n 17 PRO 17 A PRO 18 n 18 PRO 18 A GLY 19 n 19 GLY 19 A GLU 20 n 20 GLU 20 A ASN 21 n 21 ASN 21 A LEU 22 n 22 LEU 22 A CYS 23 n 23 CYS 23 A TYR 24 n 24 TYR 24 A ARG 25 n 25 ARG 25 A LYS 26 n 26 LYS 26 A MET 27 n 27 MET 27 A TRP 28 n 28 TRP 28 A CYS 29 n 29 CYS 29 A ASP 30 n 30 ASP 30 A VAL 31 n 31 VAL 31 A PHE 32 n 32 PHE 32 A CYS 33 n 33 CYS 33 A SER 34 n 34 SER 34 A SER 35 n 35 SER 35 A ARG 36 n 36 ARG 36 A GLY 37 n 37 GLY 37 A LYS 38 n 38 LYS 38 A VAL 39 n 39 VAL 39 A VAL 40 n 40 VAL 40 A GLU 41 n 41 GLU 41 A LEU 42 n 42 LEU 42 A GLY 43 n 43 GLY 43 A CYS 44 n 44 CYS 44 A ALA 45 n 45 ALA 45 A ALA 46 n 46 ALA 46 A THR 47 n 47 THR 47 A CYS 48 n 48 CYS 48 A PRO 49 n 49 PRO 49 A SER 50 n 50 SER 50 A LYS 51 n 51 LYS 51 A LYS 52 n 52 LYS 52 A PRO 53 n 53 PRO 53 A TYR 54 n 54 TYR 54 A GLU 55 n 55 GLU 55 A GLU 56 n 56 GLU 56 A VAL 57 n 57 VAL 57 A THR 58 n 58 THR 58 A CYS 59 n 59 CYS 59 A CYS 60 n 60 CYS 60 A SER 61 n 61 SER 61 A THR 62 n 62 THR 62 A ASP 63 n 63 ASP 63 A LYS 64 n 64 LYS 64 A CYS 65 n 65 CYS 65 A ASN 66 n 66 ASN 66 A PRO 67 n 67 PRO 67 A HIS 68 n 68 HIS 68 A PRO 69 n 69 PRO 69 A LYS 70 n 70 LYS 70 A GLN 71 n 71 GLN 71 A ARG 72 n 72 ARG 72 A PRO 73 n 73 PRO 73 A GLY 74 n 74 GLY 74 A ILE 1 n 1 ILE 1 B VAL 2 n 2 VAL 2 B CYS 3 n 3 CYS 3 B HIS 4 n 4 HIS 4 B THR 5 n 5 THR 5 B THR 6 n 6 THR 6 B ALA 7 n 7 ALA 7 B THR 8 n 8 THR 8 B SER 9 n 9 SER 9 B PRO 10 n 10 PRO 10 B ILE 11 n 11 ILE 11 B SER 12 n 12 SER 12 B ALA 13 n 13 ALA 13 B VAL 14 n 14 VAL 14 B THR 15 n 15 THR 15 B CYS 16 n 16 CYS 16 B PRO 17 n 17 PRO 17 B PRO 18 n 18 PRO 18 B GLY 19 n 19 GLY 19 B GLU 20 n 20 GLU 20 B ASN 21 n 21 ASN 21 B LEU 22 n 22 LEU 22 B CYS 23 n 23 CYS 23 B TYR 24 n 24 TYR 24 B ARG 25 n 25 ARG 25 B LYS 26 n 26 LYS 26 B MET 27 n 27 MET 27 B TRP 28 n 28 TRP 28 B CYS 29 n 29 CYS 29 B ASP 30 n 30 ASP 30 B ALA 31 n 31 ALA 31 B PHE 32 n 32 PHE 32 B CYS 33 n 33 CYS 33 B SER 34 n 34 SER 34 B SER 35 n 35 SER 35 B ARG 36 n 36 ARG 36 B GLY 37 n 37 GLY 37 B LYS 38 n 38 LYS 38 B VAL 39 n 39 VAL 39 B VAL 40 n 40 VAL 40 B GLU 41 n 41 GLU 41 B LEU 42 n 42 LEU 42 B GLY 43 n 43 GLY 43 B CYS 44 n 44 CYS 44 B ALA 45 n 45 ALA 45 B ALA 46 n 46 ALA 46 B THR 47 n 47 THR 47 B CYS 48 n 48 CYS 48 B PRO 49 n 49 PRO 49 B SER 50 n 50 SER 50 B LYS 51 n 51 LYS 51 B LYS 52 n 52 LYS 52 B PRO 53 n 53 PRO 53 B TYR 54 n 54 TYR 54 B GLU 55 n 55 GLU 55 B GLU 56 n 56 GLU 56 B VAL 57 n 57 VAL 57 B THR 58 n 58 THR 58 B CYS 59 n 59 CYS 59 B CYS 60 n 60 CYS 60 B SER 61 n 61 SER 61 B THR 62 n 62 THR 62 B ASP 63 n 63 ASP 63 B LYS 64 n 64 LYS 64 B CYS 65 n 65 CYS 65 B ASN 66 n 66 ASN 66 B PRO 67 n 67 PRO 67 B HIS 68 n 68 HIS 68 B PRO 69 n 69 PRO 69 B LYS 70 n 70 LYS 70 B GLN 71 n 71 GLN 71 B ARG 72 n 72 ARG 72 B PRO 73 n 73 PRO 73 B GLY 74 n 74 GLY 74 B TRP 1 n 1 TRP 1 C ARG 2 n 2 ARG 2 C TYR 3 n 3 TYR 3 C TYR 4 n 4 TYR 4 C GLU 5 n 5 GLU 5 C SER 6 n 6 SER 6 C SER 7 n 7 SER 7 C LEU 8 n 8 LEU 8 C LEU 9 n 9 LEU 9 C PRO 10 n 10 PRO 10 C TYR 11 n 11 TYR 11 C PRO 12 n 12 PRO 12 C ASP 13 n 13 ASP 13 C TRP 1 n 1 TRP 1 D ARG 2 n 2 ARG 2 D TYR 3 n 3 TYR 3 D TYR 4 n 4 TYR 4 D GLU 5 n 5 GLU 5 D SER 6 n 6 SER 6 D SER 7 n 7 SER 7 D LEU 8 n 8 LEU 8 D LEU 9 n 9 LEU 9 D PRO 10 n 10 PRO 10 D TYR 11 n 11 TYR 11 D PRO 12 n 12 PRO 12 D n 13 13 D author_and_software_defined_assembly PISA 2 dimeric author_and_software_defined_assembly PISA 2 dimeric 1510 -9.9 6220 1480 -9.4 5930 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 N THR 5 A N THR 5 A O SER 12 A O SER 12 A N CYS 60 A N CYS 60 A O CYS 23 A O CYS 23 A N TRP 28 A N TRP 28 A O VAL 39 A O VAL 39 C N TYR 4 C N TYR 4 C O SER 7 C O SER 7 B N THR 5 B N THR 5 B O SER 12 B O SER 12 B N CYS 60 B N CYS 60 B O CYS 23 B O CYS 23 B N TRP 28 B N TRP 28 B O VAL 39 B O VAL 39 1 A CG1 VAL 31 B A CG1 VAL 31 0 Y 1 A CG2 VAL 31 B A CG2 VAL 31 0 Y 1 D ASP 13 D ASP 13 1 Y 1 A ASP 30 -120.12 -164.36 1 A ASP 30 -120.12 -164.62 1 A TYR 54 -105.79 42.79 1 A ASN 66 -114.65 56.49 1 B ASN 66 -118.41 57.22 PROTEIN_REP.PARAM PROTEIN.TOP WATER_REP.PARAM WATER.TOP ION.PARAM ION.TOP 27.2 2.13 0. 0. 2.34 0. -4.46 RESIDUES WITH ALTERNATE CONFORMATIONS: A12, A48, A50, A52, A56, A59, B34, B56, B71 THE 2 IODIDE IONS I1 A AND I1 B HAVE OCCUPANCY OF 0.4 0.235 0.005 0.202 0.202 1.8 23.47 2203 22236 9.9 98.9 RANDOM 1 RESTRAINED THROUGHOUT 0.0 MOLECULAR REPLACEMENT PDB ENTRY 1NTN 1-66 RESIDUES FLAT MODEL 70.3 0.4 0.25 0.20 5.0 0.23 0.22 1.8 23.47 217 1556 2 0 1337 0.005 1.5 25.9 0.79 1.30 1.5 2.11 2.0 1.87 2 2.74 2.5 0.321 0.017 0.293 1.91 376 3256 6 10.4 98.5 16.7 1.800 23.500 1HC9 19144 0.05600 0.08100 1 14.0000 6.100 99.0 0.55500 1.80 1.86 2.300 0.59400 1 5.60 99.1 refinement CNS 1.0 data reduction DENZO data scaling SCALEPACK phasing MOLREP alpha-bungarotoxin complexed with high affinity peptide 1 N N 2 N N 3 N N 3 N N 4 N N 4 N N 5 N N 5 N N 5 N N 5 N N COMPLEX OF THE ALPHA-BUNGAROTOXIN AND THE PEPTIDE INHIBITOR A PHE 32 A PHE 32 HELX_P A GLY 37 A GLY 37 1 1 6 B PHE 32 B PHE 32 HELX_P B GLY 37 B GLY 37 1 2 6 disulf 2.026 A CYS 3 A SG CYS 3 1_555 A CYS 23 A SG CYS 23 1_555 disulf 2.028 A CYS 16 A SG CYS 16 1_555 A CYS 44 A SG CYS 44 1_555 disulf 2.032 A CYS 29 A SG CYS 29 1_555 A CYS 33 A SG CYS 33 1_555 disulf 2.477 A A A CYS 48 A SG CYS 48 1_555 A CYS 59 A SG CYS 59 1_555 disulf 2.179 B B A CYS 48 A SG CYS 48 1_555 A CYS 59 A SG CYS 59 1_555 disulf 1.900 A A A CYS 59 A SG CYS 59 1_555 A CYS 59 A SG CYS 59 3_655 disulf 2.027 A CYS 60 A SG CYS 60 1_555 A CYS 65 A SG CYS 65 1_555 disulf 2.022 B CYS 3 B SG CYS 3 1_555 B CYS 23 B SG CYS 23 1_555 disulf 2.031 B CYS 16 B SG CYS 16 1_555 B CYS 44 B SG CYS 44 1_555 disulf 2.036 B CYS 29 B SG CYS 29 1_555 B CYS 33 B SG CYS 33 1_555 disulf 2.030 B CYS 48 B SG CYS 48 1_555 B CYS 59 B SG CYS 59 1_555 disulf 2.024 B CYS 60 B SG CYS 60 1_555 B CYS 65 B SG CYS 65 1_555 TOXIN/PEPTIDE TOXIN/PEPTIDE, COMPLEX (TOXIN-PEPTIDE), ACETYLCHOLINE RECEPTOR MIMITOPE, ALPHA-BUNGAROTOXIN, 3- FINGER, PROTEIN-PEPTIDE COMPLEX, TOXIN, TOXIN-PEPTIDE complex A SER 9 A SER 9 1 A PRO 10 A PRO 10 0.06 B SER 9 B SER 9 1 B PRO 10 B PRO 10 -0.07 NXL1V_BUNMU UNP 1 P60616 NXL1A_BUNMU UNP 2 P60615 1HC9 PDB 3 1HC9 22 95 1HC9 1 74 P60616 A 1 1 74 22 95 1HC9 1 74 P60615 B 2 1 74 1 13 1HC9 1 13 1HC9 C 3 1 13 1 13 1HC9 1 13 1HC9 D 3 1 13 2 3 2 2 3 1 anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel A VAL 2 A VAL 2 A THR 5 A THR 5 A SER 12 A SER 12 A THR 15 A THR 15 A GLU 56 A GLU 56 A CYS 60 A CYS 60 A LEU 22 A LEU 22 A TRP 28 A TRP 28 A VAL 39 A VAL 39 A ALA 45 A ALA 45 C ARG 2 C ARG 2 C TYR 4 C TYR 4 C SER 7 C SER 7 C TYR 11 C TYR 11 B VAL 2 B VAL 2 B THR 5 B THR 5 B SER 12 B SER 12 B THR 15 B THR 15 B GLU 56 B GLU 56 B CYS 60 B CYS 60 B LEU 22 B LEU 22 B TRP 28 B TRP 28 B VAL 39 B VAL 39 B ALA 45 B ALA 45 D TYR 3 D TYR 3 D TYR 4 D TYR 4 BINDING SITE FOR RESIDUE IOD A 1075 A IOD 1075 Software 3 BINDING SITE FOR RESIDUE IOD B 1075 B IOD 1075 Software 4 A ARG 25 A ARG 25 3 1_555 A THR 58 A THR 58 3 1_555 A HOH 2081 G HOH 3 1_555 B ARG 25 B ARG 25 4 1_555 B MET 27 B MET 27 4 1_555 B GLU 56 B GLU 56 4 1_555 B THR 58 B THR 58 4 1_555 20 C 2 2 21