0.027571 0.000000 0.000000 0.000000 0.016119 0.000000 0.000000 0.000000 0.016119 0.00000 0.00000 0.00000 Li, Y. Love, M.L. Putkey, J.A. Cohen, C. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 4 90.00 90.00 90.00 36.270 62.040 62.040 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 C24 H34 N2 O 366.540 1-ISOBUTOXY-2-PYRROLIDINO-3[N-BENZYLANILINO] PROPANE BEPRIDIL non-polymer Ca 2 40.078 CALCIUM ION non-polymer 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 H2 O 18.015 WATER non-polymer C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking 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 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 C N 75 S C N 76 N C N 77 N O N 78 N N N 79 N N N 80 N C N 81 N C N 82 N C N 83 N C N 84 N C N 85 N C N 86 N C N 87 N C N 88 N C Y 89 N C Y 90 N C Y 91 N C Y 92 N C Y 93 N C Y 94 N C Y 95 N C Y 96 N C Y 97 N C Y 98 N C Y 99 N C Y 100 N C 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 H N 109 N H N 110 N H N 111 N H N 112 N H N 113 N H N 114 N H N 115 N H N 116 N H N 117 N H 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 H N 128 N H N 129 N H N 130 N H N 131 N H N 132 N H N 133 N H N 134 N H N 135 N CA N 136 N N N 137 R C N 138 N C N 139 N O N 140 N C N 141 N S N 142 N O N 143 N H N 144 N H N 145 N H N 146 N H N 147 N H N 148 N H N 149 N H N 150 N N N 151 S C N 152 N C N 153 N O N 154 N C N 155 N C N 156 N C N 157 N O N 158 N N N 159 N O 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 N N 171 S C N 172 N C N 173 N O N 174 N C N 175 N C N 176 N C N 177 N O N 178 N O N 179 N O N 180 N H N 181 N H N 182 N H 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 N N 190 N C N 191 N C N 192 N O N 193 N O N 194 N H N 195 N H N 196 N H N 197 N H N 198 N H N 199 N O N 200 N H N 201 N H N 202 N N N 203 S C N 204 N C N 205 N O N 206 S C N 207 N C N 208 N C N 209 N C N 210 N O N 211 N H N 212 N H N 213 N H N 214 N H N 215 N H 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 N N 225 S C N 226 N C N 227 N O N 228 N C N 229 N C N 230 N C 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 H N 243 N H N 244 N H N 245 N H N 246 N N N 247 S C N 248 N C N 249 N O N 250 N C N 251 N C N 252 N C N 253 N C N 254 N N N 255 N O 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 H N 267 N H N 268 N H N 269 N H N 270 N H N 271 N N N 272 S C N 273 N C N 274 N O N 275 N C N 276 N C N 277 N S N 278 N C N 279 N O N 280 N H N 281 N H 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 Y 296 N C Y 297 N C Y 298 N C Y 299 N C Y 300 N C Y 301 N C N 302 N O N 303 N H N 304 N H N 305 N H N 306 N H N 307 N H N 308 N H N 309 N H N 310 N H N 311 N H N 312 N H N 313 N H N 314 N N N 315 S C N 316 N C N 317 N O N 318 N C N 319 N C N 320 N C N 321 N O N 322 N H N 323 N H N 324 N H N 325 N H N 326 N H N 327 N H N 328 N H N 329 N H N 330 N H N 331 N N N 332 S C N 333 N C N 334 N O N 335 N C N 336 N O N 337 N O 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 N N 346 S C N 347 N C N 348 N O N 349 R C N 350 N O N 351 N C N 352 N O N 353 N H N 354 N H N 355 N H N 356 N H N 357 N H N 358 N H N 359 N H N 360 N H N 361 N H N 362 N N N 363 S C N 364 N C N 365 N O N 366 N C Y 367 N C Y 368 N C Y 369 N C Y 370 N C Y 371 N C Y 372 N C N 373 N O N 374 N O N 375 N H N 376 N H N 377 N H N 378 N H N 379 N H N 380 N H N 381 N H N 382 N H N 383 N H N 384 N H N 385 N H N 386 N N N 387 S C N 388 N C N 389 N O N 390 N C N 391 N C N 392 N C N 393 N O N 394 N H N 395 N H N 396 N H N 397 N H N 398 N H N 399 N H N 400 N H N 401 N H N 402 N H N 403 N H N 404 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 sing 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 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 sing 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 sing N 105 N sing N 106 N sing N 107 N sing N 108 N sing N 109 N sing N 110 N sing Y 111 N doub Y 112 N sing Y 113 N sing N 114 N sing Y 115 N doub N 116 N sing Y 117 N sing N 118 N sing Y 119 N doub N 120 N sing N 121 N sing Y 122 N doub Y 123 N sing Y 124 N sing N 125 N sing Y 126 N doub N 127 N sing Y 128 N sing N 129 N sing Y 130 N doub 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 doub N 140 N sing N 141 N sing N 142 N sing N 143 N sing N 144 N sing 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 doub 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 doub 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 doub 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 doub 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 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 sing N 238 N sing N 239 N sing N 240 N sing N 241 N sing N 242 N doub N 243 N sing N 244 N sing N 245 N sing N 246 N sing N 247 N sing N 248 N sing N 249 N sing N 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 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 sing N 284 N sing N 285 N doub N 286 N sing N 287 N sing N 288 N sing N 289 N sing Y 290 N doub Y 291 N sing Y 292 N sing N 293 N sing Y 294 N doub N 295 N sing Y 296 N doub N 297 N sing Y 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 doub N 309 N sing N 310 N sing N 311 N sing N 312 N sing N 313 N sing N 314 N sing N 315 N sing N 316 N sing N 317 N sing N 318 N sing N 319 N sing N 320 N sing N 321 N sing N 322 N sing N 323 N sing N 324 N sing N 325 N doub N 326 N sing N 327 N sing N 328 N sing N 329 N sing N 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 doub N 339 N sing N 340 N sing N 341 N sing N 342 N sing N 343 N sing N 344 N sing N 345 N sing N 346 N sing N 347 N sing N 348 N sing N 349 N sing N 350 N sing N 351 N sing N 352 N sing N 353 N sing N 354 N doub N 355 N sing N 356 N sing N 357 N sing N 358 N sing Y 359 N doub Y 360 N sing Y 361 N sing N 362 N sing Y 363 N doub N 364 N sing Y 365 N doub N 366 N sing Y 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 N 376 N sing N 377 N sing N 378 N doub N 379 N sing N 380 N sing N 381 N sing N 382 N sing N 383 N sing N 384 N sing N 385 N sing N 386 N sing N 387 N sing N 388 N sing N 389 N sing US Proc.Natl.Acad.Sci.USA PNASA6 0040 0027-8424 97 5140 5145 10.1073/pnas.090098997 10792039 Bepridil opens the regulatory N-terminal lobe of cardiac troponin C. 2000 10.2210/pdb1dtl/pdb pdb_00001dtl 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 95 1 CCD 1998-09-20 CUSTOM-MADE SINGLE WAVELENGTH M x-ray 1 0.935 1.0 A1 CHESS 0.935 SYNCHROTRON CHESS BEAMLINE A1 18401.377 CARDIAC TROPONIN C C35S, C84S 1 man polymer 40.078 CALCIUM ION 3 syn non-polymer 366.540 1-ISOBUTOXY-2-PYRROLIDINO-3[N-BENZYLANILINO] PROPANE 3 syn non-polymer 18.015 water 123 nat water no no MDDIYKAAVEQLTEEQKNEFKAAFDIFVLGAEDGSISTKELGKVMRMLGQNPTPEELQEMIDEVDEDGSGTVDFDEFLVM MVRSMKDDSKGKSEEELSDLFRMFDKNADGYIDLEELKIMLQATGETITEDDIEELMKDGDKNNDGRIDYDEFLEFMKGV E MDDIYKAAVEQLTEEQKNEFKAAFDIFVLGAEDGSISTKELGKVMRMLGQNPTPEELQEMIDEVDEDGSGTVDFDEFLVM MVRSMKDDSKGKSEEELSDLFRMFDKNADGYIDLEELKIMLQATGETITEDDIEELMKDGDKNNDGRIDYDEFLEFMKGV E 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 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 chicken Gallus Escherichia sample 9031 HEART Gallus gallus 562 Escherichia coli BL21(DE3)PLYSS 1 1.90 35.14 VAPOR DIFFUSION, HANGING DROP 7.2 PEG3350 monodisperse, magnesium chloride, calcium chloride, HEPES, bepridil, HCl, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 277K 277 database_2 pdbx_struct_conn_angle struct_conn struct_ref_seq_dif struct_site chem_comp_atom chem_comp_bond pdbx_initial_refinement_model repository Initial release Version format compliance Version format compliance Database references Derived calculations Data collection Refinement description 1 0 2000-05-12 1 1 2008-04-27 1 2 2011-07-13 1 3 2021-11-03 1 4 2023-08-09 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_struct_conn_angle.ptnr1_auth_comp_id _pdbx_struct_conn_angle.ptnr1_auth_seq_id _pdbx_struct_conn_angle.ptnr1_label_asym_id _pdbx_struct_conn_angle.ptnr1_label_atom_id _pdbx_struct_conn_angle.ptnr1_label_comp_id _pdbx_struct_conn_angle.ptnr1_label_seq_id _pdbx_struct_conn_angle.ptnr3_auth_comp_id _pdbx_struct_conn_angle.ptnr3_auth_seq_id _pdbx_struct_conn_angle.ptnr3_label_asym_id _pdbx_struct_conn_angle.ptnr3_label_atom_id _pdbx_struct_conn_angle.ptnr3_label_comp_id _pdbx_struct_conn_angle.ptnr3_label_seq_id _pdbx_struct_conn_angle.value _struct_conn.pdbx_dist_value _struct_conn.ptnr1_auth_comp_id _struct_conn.ptnr1_auth_seq_id _struct_conn.ptnr1_label_asym_id _struct_conn.ptnr1_label_atom_id _struct_conn.ptnr1_label_comp_id _struct_conn.ptnr1_label_seq_id _struct_conn.ptnr2_auth_comp_id _struct_conn.ptnr2_auth_seq_id _struct_conn.ptnr2_label_asym_id _struct_conn.ptnr2_label_atom_id _struct_conn.ptnr2_label_comp_id _struct_conn.ptnr2_label_seq_id _struct_ref_seq_dif.details _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id RCSB Y RCSB 2000-01-12 REL CA CALCIUM ION BEP 1-ISOBUTOXY-2-PYRROLIDINO-3[N-BENZYLANILINO] PROPANE HOH water 1AVS PDB ENTRIES 1AVS AND 1TN4 PDB experimental model 1TN4 PDB ENTRIES 1AVS AND 1TN4 PDB experimental model CA 201 2 CA CA 201 A CA 202 2 CA CA 202 A CA 203 2 CA CA 203 A BEP 1 3 BEP BEP 204 A BEP 2 3 BEP BEP 205 A BEP 3 3 BEP BEP 206 A WAT 401 4 HOH HOH 401 A WAT 402 4 HOH HOH 402 A WAT 403 4 HOH HOH 403 A WAT 404 4 HOH HOH 404 A WAT 405 4 HOH HOH 405 A WAT 406 4 HOH HOH 406 A WAT 407 4 HOH HOH 407 A WAT 408 4 HOH HOH 408 A WAT 409 4 HOH HOH 409 A WAT 410 4 HOH HOH 410 A WAT 411 4 HOH HOH 411 A WAT 412 4 HOH HOH 412 A WAT 413 4 HOH HOH 413 A WAT 414 4 HOH HOH 414 A WAT 415 4 HOH HOH 415 A WAT 416 4 HOH HOH 416 A WAT 417 4 HOH HOH 417 A WAT 418 4 HOH HOH 418 A WAT 419 4 HOH HOH 419 A WAT 420 4 HOH HOH 420 A WAT 421 4 HOH HOH 421 A WAT 422 4 HOH HOH 422 A WAT 423 4 HOH HOH 423 A WAT 424 4 HOH HOH 424 A WAT 425 4 HOH HOH 425 A WAT 426 4 HOH HOH 426 A WAT 427 4 HOH HOH 427 A WAT 428 4 HOH HOH 428 A WAT 430 4 HOH HOH 430 A WAT 431 4 HOH HOH 431 A WAT 432 4 HOH HOH 432 A WAT 433 4 HOH HOH 433 A WAT 434 4 HOH HOH 434 A WAT 436 4 HOH HOH 436 A WAT 437 4 HOH HOH 437 A WAT 438 4 HOH HOH 438 A WAT 439 4 HOH HOH 439 A WAT 440 4 HOH HOH 440 A WAT 441 4 HOH HOH 441 A WAT 442 4 HOH HOH 442 A WAT 443 4 HOH HOH 443 A WAT 444 4 HOH HOH 444 A WAT 445 4 HOH HOH 445 A WAT 446 4 HOH HOH 446 A WAT 447 4 HOH HOH 447 A WAT 448 4 HOH HOH 448 A WAT 449 4 HOH HOH 449 A WAT 450 4 HOH HOH 450 A WAT 451 4 HOH HOH 451 A WAT 452 4 HOH HOH 452 A WAT 454 4 HOH HOH 454 A WAT 455 4 HOH HOH 455 A WAT 456 4 HOH HOH 456 A WAT 457 4 HOH HOH 457 A WAT 458 4 HOH HOH 458 A WAT 459 4 HOH HOH 459 A WAT 460 4 HOH HOH 460 A WAT 462 4 HOH HOH 462 A WAT 463 4 HOH HOH 463 A WAT 464 4 HOH HOH 464 A WAT 465 4 HOH HOH 465 A WAT 466 4 HOH HOH 466 A WAT 467 4 HOH HOH 467 A WAT 468 4 HOH HOH 468 A WAT 469 4 HOH HOH 469 A WAT 470 4 HOH HOH 470 A WAT 472 4 HOH HOH 472 A WAT 474 4 HOH HOH 474 A WAT 475 4 HOH HOH 475 A WAT 476 4 HOH HOH 476 A WAT 477 4 HOH HOH 477 A WAT 478 4 HOH HOH 478 A WAT 479 4 HOH HOH 479 A WAT 480 4 HOH HOH 480 A WAT 481 4 HOH HOH 481 A WAT 482 4 HOH HOH 482 A WAT 483 4 HOH HOH 483 A WAT 484 4 HOH HOH 484 A WAT 485 4 HOH HOH 485 A WAT 486 4 HOH HOH 486 A WAT 487 4 HOH HOH 487 A WAT 488 4 HOH HOH 488 A WAT 489 4 HOH HOH 489 A WAT 490 4 HOH HOH 490 A WAT 491 4 HOH HOH 491 A WAT 492 4 HOH HOH 492 A WAT 493 4 HOH HOH 493 A WAT 494 4 HOH HOH 494 A WAT 495 4 HOH HOH 495 A WAT 496 4 HOH HOH 496 A WAT 497 4 HOH HOH 497 A WAT 498 4 HOH HOH 498 A WAT 499 4 HOH HOH 499 A WAT 500 4 HOH HOH 500 A WAT 501 4 HOH HOH 501 A WAT 504 4 HOH HOH 504 A WAT 507 4 HOH HOH 507 A WAT 509 4 HOH HOH 509 A WAT 510 4 HOH HOH 510 A WAT 511 4 HOH HOH 511 A WAT 512 4 HOH HOH 512 A WAT 513 4 HOH HOH 513 A WAT 514 4 HOH HOH 514 A WAT 515 4 HOH HOH 515 A WAT 516 4 HOH HOH 516 A WAT 517 4 HOH HOH 517 A WAT 518 4 HOH HOH 518 A WAT 519 4 HOH HOH 519 A WAT 520 4 HOH HOH 520 A WAT 521 4 HOH HOH 521 A WAT 523 4 HOH HOH 523 A WAT 524 4 HOH HOH 524 A WAT 525 4 HOH HOH 525 A WAT 526 4 HOH HOH 526 A WAT 527 4 HOH HOH 527 A WAT 528 4 HOH HOH 528 A WAT 529 4 HOH HOH 529 A WAT 530 4 HOH HOH 530 A WAT 531 4 HOH HOH 531 A WAT 532 4 HOH HOH 532 A WAT 533 4 HOH HOH 533 A WAT 534 4 HOH HOH 534 A WAT 536 4 HOH HOH 536 A n 1 1 A n 2 2 A n 3 3 A n 4 4 A TYR 5 n 5 TYR 5 A LYS 6 n 6 LYS 6 A ALA 7 n 7 ALA 7 A ALA 8 n 8 ALA 8 A VAL 9 n 9 VAL 9 A GLU 10 n 10 GLU 10 A GLN 11 n 11 GLN 11 A LEU 12 n 12 LEU 12 A THR 13 n 13 THR 13 A GLU 14 n 14 GLU 14 A GLU 15 n 15 GLU 15 A GLN 16 n 16 GLN 16 A LYS 17 n 17 LYS 17 A ASN 18 n 18 ASN 18 A GLU 19 n 19 GLU 19 A PHE 20 n 20 PHE 20 A LYS 21 n 21 LYS 21 A ALA 22 n 22 ALA 22 A ALA 23 n 23 ALA 23 A PHE 24 n 24 PHE 24 A ASP 25 n 25 ASP 25 A ILE 26 n 26 ILE 26 A PHE 27 n 27 PHE 27 A VAL 28 n 28 VAL 28 A LEU 29 n 29 LEU 29 A GLY 30 n 30 GLY 30 A ALA 31 n 31 ALA 31 A GLU 32 n 32 GLU 32 A ASP 33 n 33 ASP 33 A GLY 34 n 34 GLY 34 A SER 35 n 35 SER 35 A ILE 36 n 36 ILE 36 A SER 37 n 37 SER 37 A THR 38 n 38 THR 38 A LYS 39 n 39 LYS 39 A GLU 40 n 40 GLU 40 A LEU 41 n 41 LEU 41 A GLY 42 n 42 GLY 42 A LYS 43 n 43 LYS 43 A VAL 44 n 44 VAL 44 A MET 45 n 45 MET 45 A ARG 46 n 46 ARG 46 A MET 47 n 47 MET 47 A LEU 48 n 48 LEU 48 A GLY 49 n 49 GLY 49 A GLN 50 n 50 GLN 50 A ASN 51 n 51 ASN 51 A PRO 52 n 52 PRO 52 A THR 53 n 53 THR 53 A PRO 54 n 54 PRO 54 A GLU 55 n 55 GLU 55 A GLU 56 n 56 GLU 56 A LEU 57 n 57 LEU 57 A GLN 58 n 58 GLN 58 A GLU 59 n 59 GLU 59 A MET 60 n 60 MET 60 A ILE 61 n 61 ILE 61 A ASP 62 n 62 ASP 62 A GLU 63 n 63 GLU 63 A VAL 64 n 64 VAL 64 A ASP 65 n 65 ASP 65 A GLU 66 n 66 GLU 66 A ASP 67 n 67 ASP 67 A GLY 68 n 68 GLY 68 A SER 69 n 69 SER 69 A GLY 70 n 70 GLY 70 A THR 71 n 71 THR 71 A VAL 72 n 72 VAL 72 A ASP 73 n 73 ASP 73 A PHE 74 n 74 PHE 74 A ASP 75 n 75 ASP 75 A GLU 76 n 76 GLU 76 A PHE 77 n 77 PHE 77 A LEU 78 n 78 LEU 78 A VAL 79 n 79 VAL 79 A MET 80 n 80 MET 80 A MET 81 n 81 MET 81 A VAL 82 n 82 VAL 82 A ARG 83 n 83 ARG 83 A SER 84 n 84 SER 84 A MET 85 n 85 MET 85 A LYS 86 n 86 LYS 86 A n 87 87 A n 88 88 A n 89 89 A n 90 90 A n 91 91 A LYS 92 n 92 LYS 92 A SER 93 n 93 SER 93 A GLU 94 n 94 GLU 94 A GLU 95 n 95 GLU 95 A GLU 96 n 96 GLU 96 A LEU 97 n 97 LEU 97 A SER 98 n 98 SER 98 A ASP 99 n 99 ASP 99 A LEU 100 n 100 LEU 100 A PHE 101 n 101 PHE 101 A ARG 102 n 102 ARG 102 A MET 103 n 103 MET 103 A PHE 104 n 104 PHE 104 A ASP 105 n 105 ASP 105 A LYS 106 n 106 LYS 106 A ASN 107 n 107 ASN 107 A ALA 108 n 108 ALA 108 A ASP 109 n 109 ASP 109 A GLY 110 n 110 GLY 110 A TYR 111 n 111 TYR 111 A ILE 112 n 112 ILE 112 A ASP 113 n 113 ASP 113 A LEU 114 n 114 LEU 114 A GLU 115 n 115 GLU 115 A GLU 116 n 116 GLU 116 A LEU 117 n 117 LEU 117 A LYS 118 n 118 LYS 118 A ILE 119 n 119 ILE 119 A MET 120 n 120 MET 120 A LEU 121 n 121 LEU 121 A GLN 122 n 122 GLN 122 A ALA 123 n 123 ALA 123 A THR 124 n 124 THR 124 A n 125 125 A n 126 126 A THR 127 n 127 THR 127 A ILE 128 n 128 ILE 128 A THR 129 n 129 THR 129 A GLU 130 n 130 GLU 130 A ASP 131 n 131 ASP 131 A ASP 132 n 132 ASP 132 A ILE 133 n 133 ILE 133 A GLU 134 n 134 GLU 134 A GLU 135 n 135 GLU 135 A LEU 136 n 136 LEU 136 A MET 137 n 137 MET 137 A LYS 138 n 138 LYS 138 A ASP 139 n 139 ASP 139 A GLY 140 n 140 GLY 140 A ASP 141 n 141 ASP 141 A LYS 142 n 142 LYS 142 A ASN 143 n 143 ASN 143 A ASN 144 n 144 ASN 144 A ASP 145 n 145 ASP 145 A GLY 146 n 146 GLY 146 A ARG 147 n 147 ARG 147 A ILE 148 n 148 ILE 148 A ASP 149 n 149 ASP 149 A TYR 150 n 150 TYR 150 A ASP 151 n 151 ASP 151 A GLU 152 n 152 GLU 152 A PHE 153 n 153 PHE 153 A LEU 154 n 154 LEU 154 A GLU 155 n 155 GLU 155 A PHE 156 n 156 PHE 156 A MET 157 n 157 MET 157 A LYS 158 n 158 LYS 158 A GLY 159 n 159 GLY 159 A VAL 160 n 160 VAL 160 A n 161 161 A author_defined_assembly 1 monomeric A ASP 65 A OD2 ASP 65 1_555 A CA 201 B CA CA 1_555 A ASP 67 A OD1 ASP 67 1_555 71.1 A ASP 65 A OD2 ASP 65 1_555 A CA 201 B CA CA 1_555 A SER 69 A OG SER 69 1_555 95.4 A ASP 67 A OD1 ASP 67 1_555 A CA 201 B CA CA 1_555 A SER 69 A OG SER 69 1_555 83.3 A ASP 65 A OD2 ASP 65 1_555 A CA 201 B CA CA 1_555 A THR 71 A O THR 71 1_555 90.7 A ASP 67 A OD1 ASP 67 1_555 A CA 201 B CA CA 1_555 A THR 71 A O THR 71 1_555 154.0 A SER 69 A OG SER 69 1_555 A CA 201 B CA CA 1_555 A THR 71 A O THR 71 1_555 80.1 A ASP 65 A OD2 ASP 65 1_555 A CA 201 B CA CA 1_555 A GLU 76 A OE1 GLU 76 1_555 109.4 A ASP 67 A OD1 ASP 67 1_555 A CA 201 B CA CA 1_555 A GLU 76 A OE1 GLU 76 1_555 125.0 A SER 69 A OG SER 69 1_555 A CA 201 B CA CA 1_555 A GLU 76 A OE1 GLU 76 1_555 146.7 A THR 71 A O THR 71 1_555 A CA 201 B CA CA 1_555 A GLU 76 A OE1 GLU 76 1_555 77.9 A ASP 65 A OD2 ASP 65 1_555 A CA 201 B CA CA 1_555 A GLU 76 A OE2 GLU 76 1_555 79.6 A ASP 67 A OD1 ASP 67 1_555 A CA 201 B CA CA 1_555 A GLU 76 A OE2 GLU 76 1_555 75.2 A SER 69 A OG SER 69 1_555 A CA 201 B CA CA 1_555 A GLU 76 A OE2 GLU 76 1_555 158.4 A THR 71 A O THR 71 1_555 A CA 201 B CA CA 1_555 A GLU 76 A OE2 GLU 76 1_555 120.7 A GLU 76 A OE1 GLU 76 1_555 A CA 201 B CA CA 1_555 A GLU 76 A OE2 GLU 76 1_555 52.4 A ASP 65 A OD2 ASP 65 1_555 A CA 201 B CA CA 1_555 A HOH 414 H O HOH 1_555 165.7 A ASP 67 A OD1 ASP 67 1_555 A CA 201 B CA CA 1_555 A HOH 414 H O HOH 1_555 95.1 A SER 69 A OG SER 69 1_555 A CA 201 B CA CA 1_555 A HOH 414 H O HOH 1_555 86.0 A THR 71 A O THR 71 1_555 A CA 201 B CA CA 1_555 A HOH 414 H O HOH 1_555 103.5 A GLU 76 A OE1 GLU 76 1_555 A CA 201 B CA CA 1_555 A HOH 414 H O HOH 1_555 75.3 A GLU 76 A OE2 GLU 76 1_555 A CA 201 B CA CA 1_555 A HOH 414 H O HOH 1_555 93.8 A ASP 105 A OD1 ASP 105 1_555 A CA 202 C CA CA 1_555 A ASN 107 A OD1 ASN 107 1_555 77.4 A ASP 105 A OD1 ASP 105 1_555 A CA 202 C CA CA 1_555 A ASP 109 A OD1 ASP 109 1_555 80.6 A ASN 107 A OD1 ASN 107 1_555 A CA 202 C CA CA 1_555 A ASP 109 A OD1 ASP 109 1_555 80.1 A ASP 105 A OD1 ASP 105 1_555 A CA 202 C CA CA 1_555 A TYR 111 A O TYR 111 1_555 78.2 A ASN 107 A OD1 ASN 107 1_555 A CA 202 C CA CA 1_555 A TYR 111 A O TYR 111 1_555 150.6 A ASP 109 A OD1 ASP 109 1_555 A CA 202 C CA CA 1_555 A TYR 111 A O TYR 111 1_555 80.0 A ASP 105 A OD1 ASP 105 1_555 A CA 202 C CA CA 1_555 A GLU 116 A OE1 GLU 116 1_555 122.3 A ASN 107 A OD1 ASN 107 1_555 A CA 202 C CA CA 1_555 A GLU 116 A OE1 GLU 116 1_555 128.6 A ASP 109 A OD1 ASP 109 1_555 A CA 202 C CA CA 1_555 A GLU 116 A OE1 GLU 116 1_555 144.2 A TYR 111 A O TYR 111 1_555 A CA 202 C CA CA 1_555 A GLU 116 A OE1 GLU 116 1_555 78.9 A ASP 105 A OD1 ASP 105 1_555 A CA 202 C CA CA 1_555 A GLU 116 A OE2 GLU 116 1_555 99.7 A ASN 107 A OD1 ASN 107 1_555 A CA 202 C CA CA 1_555 A GLU 116 A OE2 GLU 116 1_555 81.9 A ASP 109 A OD1 ASP 109 1_555 A CA 202 C CA CA 1_555 A GLU 116 A OE2 GLU 116 1_555 161.5 A TYR 111 A O TYR 111 1_555 A CA 202 C CA CA 1_555 A GLU 116 A OE2 GLU 116 1_555 118.4 A GLU 116 A OE1 GLU 116 1_555 A CA 202 C CA CA 1_555 A GLU 116 A OE2 GLU 116 1_555 50.1 A ASP 105 A OD1 ASP 105 1_555 A CA 202 C CA CA 1_555 A HOH 408 H O HOH 1_555 161.3 A ASN 107 A OD1 ASN 107 1_555 A CA 202 C CA CA 1_555 A HOH 408 H O HOH 1_555 87.6 A ASP 109 A OD1 ASP 109 1_555 A CA 202 C CA CA 1_555 A HOH 408 H O HOH 1_555 85.9 A TYR 111 A O TYR 111 1_555 A CA 202 C CA CA 1_555 A HOH 408 H O HOH 1_555 112.2 A GLU 116 A OE1 GLU 116 1_555 A CA 202 C CA CA 1_555 A HOH 408 H O HOH 1_555 75.9 A GLU 116 A OE2 GLU 116 1_555 A CA 202 C CA CA 1_555 A HOH 408 H O HOH 1_555 89.0 A ASP 141 A OD2 ASP 141 1_555 A CA 203 D CA CA 1_555 A ASN 143 A OD1 ASN 143 1_555 79.4 A ASP 141 A OD2 ASP 141 1_555 A CA 203 D CA CA 1_555 A ASP 145 A OD1 ASP 145 1_555 78.2 A ASN 143 A OD1 ASN 143 1_555 A CA 203 D CA CA 1_555 A ASP 145 A OD1 ASP 145 1_555 83.0 A ASP 141 A OD2 ASP 141 1_555 A CA 203 D CA CA 1_555 A ARG 147 A O ARG 147 1_555 82.4 A ASN 143 A OD1 ASN 143 1_555 A CA 203 D CA CA 1_555 A ARG 147 A O ARG 147 1_555 153.2 A ASP 145 A OD1 ASP 145 1_555 A CA 203 D CA CA 1_555 A ARG 147 A O ARG 147 1_555 74.1 A ASP 141 A OD2 ASP 141 1_555 A CA 203 D CA CA 1_555 A GLU 152 A OE1 GLU 152 1_555 116.4 A ASN 143 A OD1 ASN 143 1_555 A CA 203 D CA CA 1_555 A GLU 152 A OE1 GLU 152 1_555 125.9 A ASP 145 A OD1 ASP 145 1_555 A CA 203 D CA CA 1_555 A GLU 152 A OE1 GLU 152 1_555 148.3 A ARG 147 A O ARG 147 1_555 A CA 203 D CA CA 1_555 A GLU 152 A OE1 GLU 152 1_555 79.9 A ASP 141 A OD2 ASP 141 1_555 A CA 203 D CA CA 1_555 A GLU 152 A OE2 GLU 152 1_555 92.3 A ASN 143 A OD1 ASN 143 1_555 A CA 203 D CA CA 1_555 A GLU 152 A OE2 GLU 152 1_555 77.8 A ASP 145 A OD1 ASP 145 1_555 A CA 203 D CA CA 1_555 A GLU 152 A OE2 GLU 152 1_555 159.9 A ARG 147 A O ARG 147 1_555 A CA 203 D CA CA 1_555 A GLU 152 A OE2 GLU 152 1_555 122.6 A GLU 152 A OE1 GLU 152 1_555 A CA 203 D CA CA 1_555 A GLU 152 A OE2 GLU 152 1_555 51.8 A ASP 141 A OD2 ASP 141 1_555 A CA 203 D CA CA 1_555 A HOH 413 H O HOH 1_555 162.4 A ASN 143 A OD1 ASN 143 1_555 A CA 203 D CA CA 1_555 A HOH 413 H O HOH 1_555 87.2 A ASP 145 A OD1 ASP 145 1_555 A CA 203 D CA CA 1_555 A HOH 413 H O HOH 1_555 89.1 A ARG 147 A O ARG 147 1_555 A CA 203 D CA CA 1_555 A HOH 413 H O HOH 1_555 105.9 A GLU 152 A OE1 GLU 152 1_555 A CA 203 D CA CA 1_555 A HOH 413 H O HOH 1_555 80.7 A GLU 152 A OE2 GLU 152 1_555 A CA 203 D CA CA 1_555 A HOH 413 H O HOH 1_555 95.9 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 112 A O ILE 112 A N ILE 148 A N ILE 148 1 A CG GLN 122 A CG GLN 122 1 Y 1 A CD GLN 122 A CD GLN 122 1 Y 1 A OE1 GLN 122 A OE1 GLN 122 1 Y 1 A NE2 GLN 122 A NE2 GLN 122 1 Y 1 A CB THR 124 A CB THR 124 1 Y 1 A OG1 THR 124 A OG1 THR 124 1 Y 1 A CG2 THR 124 A CG2 THR 124 1 Y 1 A O VAL 160 A O VAL 160 1 Y 1 A CB VAL 160 A CB VAL 160 1 Y 1 A CG1 VAL 160 A CG1 VAL 160 1 Y 1 A CG2 VAL 160 A CG2 VAL 160 1 Y 1 A MET 1 A MET 1 1 Y 1 A ASP 2 A ASP 2 1 Y 1 A ASP 3 A ASP 3 1 Y 1 A ILE 4 A ILE 4 1 Y 1 A ASP 87 A ASP 87 1 Y 1 A ASP 88 A ASP 88 1 Y 1 A SER 89 A SER 89 1 Y 1 A LYS 90 A LYS 90 1 Y 1 A GLY 91 A GLY 91 1 Y 1 A GLY 125 A GLY 125 1 Y 1 A GLU 126 A GLU 126 1 Y 1 A GLU 161 A GLU 161 1 Y PROTEIN_REP.PARAM WATER_REP.PARAM ION.PARAM BEPRIDIL.PAR2 -2.193 0.000 0.000 1.097 0.000 1.097 0.2763000 0.2133000 0.2160000 0.2160000 2.15 500.0 405 8045 7829 5.0 97.3 random 1 0.0 0.0 MOLECULAR REPLACEMENT PDB ENTRIES 1AVS AND 1TN4 Engh & Huber 2.15 500.0 123 1388 84 0 1181 0.017 1.45 0.3560000 0.2550000 2.25 34 846 34 8 4.0 21.63 2.15 50.0 1DTL 8025 7998 0.0 0.0 0.0660000 1 34.2 6.83 99.7 0.1260000 2.15 2.23 764 3.12 99.2 phasing AMoRE refinement CNS data reduction DENZO data scaling SCALEPACK CRYSTAL STRUCTURE OF CALCIUM-SATURATED (3CA2+) CARDIAC TROPONIN C COMPLEXED WITH THE CALCIUM SENSITIZER BEPRIDIL AT 2.15 A RESOLUTION 1 N N 2 N N 2 N N 2 N N 3 N N 3 N N 3 N N 4 N N A ALA 7 A ALA 7 HELX_P A LEU 12 A LEU 12 5 1 6 A THR 13 A THR 13 HELX_P A VAL 28 A VAL 28 1 2 16 A ALA 31 A ALA 31 HELX_P A SER 35 A SER 35 5 3 5 A SER 37 A SER 37 HELX_P A LEU 48 A LEU 48 1 4 12 A THR 53 A THR 53 HELX_P A ASP 65 A ASP 65 1 5 13 A ASP 73 A ASP 73 HELX_P A LYS 86 A LYS 86 1 6 14 A LYS 92 A LYS 92 HELX_P A ASP 105 A ASP 105 1 7 14 A LEU 114 A LEU 114 HELX_P A LYS 118 A LYS 118 1 8 5 A ILE 119 A ILE 119 HELX_P A GLN 122 A GLN 122 5 9 4 A THR 129 A THR 129 HELX_P A ASP 141 A ASP 141 1 10 13 A TYR 150 A TYR 150 HELX_P A GLY 159 A GLY 159 1 11 10 metalc 2.323 A ASP 65 A OD2 ASP 65 1_555 A CA 201 B CA CA 1_555 metalc 2.336 A ASP 67 A OD1 ASP 67 1_555 A CA 201 B CA CA 1_555 metalc 2.304 A SER 69 A OG SER 69 1_555 A CA 201 B CA CA 1_555 metalc 2.313 A THR 71 A O THR 71 1_555 A CA 201 B CA CA 1_555 metalc 2.593 A GLU 76 A OE1 GLU 76 1_555 A CA 201 B CA CA 1_555 metalc 2.459 A GLU 76 A OE2 GLU 76 1_555 A CA 201 B CA CA 1_555 metalc 2.289 A ASP 105 A OD1 ASP 105 1_555 A CA 202 C CA CA 1_555 metalc 2.306 A ASN 107 A OD1 ASN 107 1_555 A CA 202 C CA CA 1_555 metalc 2.585 A ASP 109 A OD1 ASP 109 1_555 A CA 202 C CA CA 1_555 metalc 2.436 A TYR 111 A O TYR 111 1_555 A CA 202 C CA CA 1_555 metalc 2.695 A GLU 116 A OE1 GLU 116 1_555 A CA 202 C CA CA 1_555 metalc 2.558 A GLU 116 A OE2 GLU 116 1_555 A CA 202 C CA CA 1_555 metalc 2.507 A ASP 141 A OD2 ASP 141 1_555 A CA 203 D CA CA 1_555 metalc 2.481 A ASN 143 A OD1 ASN 143 1_555 A CA 203 D CA CA 1_555 metalc 2.532 A ASP 145 A OD1 ASP 145 1_555 A CA 203 D CA CA 1_555 metalc 2.285 A ARG 147 A O ARG 147 1_555 A CA 203 D CA CA 1_555 metalc 2.509 A GLU 152 A OE1 GLU 152 1_555 A CA 203 D CA CA 1_555 metalc 2.685 A GLU 152 A OE2 GLU 152 1_555 A CA 203 D CA CA 1_555 metalc 2.258 A CA 201 B CA CA 1_555 A HOH 414 H O HOH 1_555 metalc 2.571 A CA 202 C CA CA 1_555 A HOH 408 H O HOH 1_555 metalc 2.370 A CA 203 D CA CA 1_555 A HOH 413 H O HOH 1_555 STRUCTURAL PROTEIN helix-turn-helix, STRUCTURAL PROTEIN TNNC1_CHICK UNP 1 P09860 1 161 1DTL 1 161 P09860 A 1 1 161 1 CYS engineered mutation SER 35 1DTL A P09860 UNP 35 35 1 CYS engineered mutation SER 84 1DTL A P09860 UNP 84 84 1 THR conflict SER 93 1DTL A P09860 UNP 93 93 2 anti-parallel A TYR 111 A TYR 111 A ASP 113 A ASP 113 A ARG 147 A ARG 147 A ASP 149 A ASP 149 BINDING SITE FOR RESIDUE CA A 201 A CA 201 Software 6 BINDING SITE FOR RESIDUE CA A 202 A CA 202 Software 6 BINDING SITE FOR RESIDUE CA A 203 A CA 203 Software 6 BINDING SITE FOR RESIDUE BEP A 204 A BEP 204 Software 7 BINDING SITE FOR RESIDUE BEP A 205 A BEP 205 Software 10 BINDING SITE FOR RESIDUE BEP A 206 A BEP 206 Software 8 A ASP 65 A ASP 65 6 1_555 A ASP 67 A ASP 67 6 1_555 A SER 69 A SER 69 6 1_555 A THR 71 A THR 71 6 1_555 A GLU 76 A GLU 76 6 1_555 A HOH 414 H HOH 6 1_555 A ASP 105 A ASP 105 6 1_555 A ASN 107 A ASN 107 6 1_555 A ASP 109 A ASP 109 6 1_555 A TYR 111 A TYR 111 6 1_555 A GLU 116 A GLU 116 6 1_555 A HOH 408 H HOH 6 1_555 A ASP 141 A ASP 141 6 1_555 A ASN 143 A ASN 143 6 1_555 A ASP 145 A ASP 145 6 1_555 A ARG 147 A ARG 147 6 1_555 A GLU 152 A GLU 152 6 1_555 A HOH 413 H HOH 6 1_555 A PHE 27 A PHE 27 7 1_555 A LEU 41 A LEU 41 7 1_555 A MET 45 A MET 45 7 1_555 A MET 60 A MET 60 7 1_555 A MET 80 A MET 80 7 1_555 A GLU 96 A GLU 96 7 1_555 A BEP 205 F BEP 7 1_555 A PHE 20 A PHE 20 10 1_555 A ALA 23 A ALA 23 10 1_555 A MET 81 A MET 81 10 1_555 A LEU 100 A LEU 100 10 1_555 A PHE 104 A PHE 104 10 1_555 A LEU 117 A LEU 117 10 1_555 A MET 120 A MET 120 10 1_555 A PHE 156 A PHE 156 10 1_555 A MET 157 A MET 157 10 1_555 A BEP 204 E BEP 10 1_555 A GLU 14 A GLU 14 8 2_554 A MET 45 A MET 45 8 1_555 A GLN 50 A GLN 50 8 1_555 A PRO 52 A PRO 52 8 1_555 A GLU 56 A GLU 56 8 1_555 A GLU 96 A GLU 96 8 1_555 A ASP 99 A ASP 99 8 1_555 A MET 103 A MET 103 8 1_555 19 P 21 21 21