0.009237 0.000000 0.002380 0.000000 0.012160 0.000000 0.000000 0.000000 0.019307 0.00000 0.00000 0.00000 Yin, J. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 4 90.00 104.45 90.00 108.264 82.235 53.487 C2 H4 O 44.053 ACETYL GROUP non-polymer 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 C3 H8 O3 92.094 GLYCEROL GLYCERIN; PROPANE-1,2,3-TRIOL non-polymer 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 C8 H14 N2 O2 170.209 (3S)-3-[(2S)-2-AMINO-3-OXOBUTYL]PYRROLIDIN-2-ONE 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 C11 H15 N O3 209.242 n O-benzyl-L-threonine L-peptide linking N 1 N C N 2 N O N 3 N C N 4 N H N 5 N H N 6 N H N 7 N H N 8 N N N 9 S C N 10 N C N 11 N O N 12 N C N 13 N O 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 N N 22 S C N 23 N C N 24 N O N 25 N C N 26 N C N 27 N C N 28 N N N 29 N C N 30 N N N 31 N N N 32 N O 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 H N 42 N H N 43 N H N 44 N H N 45 N H N 46 N H N 47 N H N 48 N N N 49 S C N 50 N C N 51 N O N 52 N C N 53 N C N 54 N O N 55 N N N 56 N O N 57 N H N 58 N H N 59 N H N 60 N H N 61 N H N 62 N H N 63 N H N 64 N H N 65 N N N 66 S C N 67 N C N 68 N O N 69 N C N 70 N C N 71 N O N 72 N O N 73 N O N 74 N H N 75 N H N 76 N H N 77 N H N 78 N H N 79 N H N 80 N H N 81 N N N 82 R C N 83 N C N 84 N O N 85 N C N 86 N S N 87 N O 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 N 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 H N 115 N N N 116 S C N 117 N C N 118 N O N 119 N C N 120 N C N 121 N C N 122 N O N 123 N O N 124 N O 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 N N 135 N C N 136 N C N 137 N O N 138 N O N 139 N H N 140 N H N 141 N H N 142 N H N 143 N H N 144 N C N 145 N O N 146 N C N 147 N O N 148 N C N 149 N O 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 N N 159 S C N 160 N C N 161 N O N 162 N C Y 163 N C Y 164 N N Y 165 N C Y 166 N C Y 167 N N N 168 N O N 169 N H 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 O N 180 N H N 181 N H N 182 N N N 183 S C N 184 N C N 185 N O N 186 S C N 187 N C N 188 N C N 189 N C N 190 N O N 191 N H N 192 N H 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 O N 205 N C N 206 N N N 207 N C N 208 N C N 209 S C N 210 N C N 211 S C N 212 N N N 213 N C N 214 N O N 215 N C 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 N N 231 S C N 232 N C N 233 N O N 234 N C N 235 N C N 236 N C N 237 N C N 238 N O 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 H N 247 N H N 248 N H N 249 N H N 250 N H N 251 N H N 252 N N N 253 S C N 254 N C N 255 N O N 256 N C N 257 N C N 258 N C N 259 N C N 260 N N N 261 N O 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 H N 272 N H N 273 N H N 274 N H N 275 N H N 276 N H N 277 N N N 278 S C N 279 N C N 280 N O N 281 N C N 282 N C N 283 N S N 284 N C N 285 N O N 286 N H N 287 N H N 288 N H N 289 N H N 290 N H N 291 N H N 292 N H N 293 N H N 294 N H N 295 N H N 296 N H N 297 N N N 298 S C N 299 N C N 300 N O N 301 N C Y 302 N C Y 303 N C Y 304 N C Y 305 N C Y 306 N C Y 307 N C N 308 N O N 309 N H N 310 N H N 311 N H N 312 N H 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 N N 321 S C N 322 N C N 323 N O N 324 N C N 325 N C N 326 N C N 327 N O N 328 N H N 329 N H N 330 N H N 331 N H N 332 N H N 333 N H N 334 N H N 335 N H N 336 N H N 337 N N N 338 S C N 339 N C N 340 N O N 341 N C N 342 N O N 343 N O N 344 N H N 345 N H N 346 N H N 347 N H N 348 N H N 349 N H N 350 N H N 351 N N N 352 S C N 353 N C N 354 N O N 355 R C N 356 N O N 357 N C N 358 N O N 359 N H N 360 N H N 361 N H 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 N N 369 S C N 370 N C N 371 N O N 372 N C Y 373 N C Y 374 N C Y 375 N C Y 376 N N Y 377 N C Y 378 N C Y 379 N C Y 380 N C Y 381 N C N 382 N O 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 392 N H N 393 N H N 394 N H N 395 N N N 396 S C N 397 N C N 398 N O N 399 N C Y 400 N C Y 401 N C Y 402 N C Y 403 N C Y 404 N C Y 405 N C N 406 N O N 407 N O N 408 N H N 409 N H N 410 N H N 411 N H N 412 N H N 413 N H N 414 N H N 415 N H N 416 N H N 417 N H N 418 N H N 419 N N N 420 S C N 421 N C N 422 N O N 423 N C N 424 N C N 425 N C N 426 N O N 427 N H N 428 N H N 429 N H N 430 N H N 431 N H N 432 N H N 433 N H N 434 N H N 435 N H N 436 N H N 437 N H N 438 N C N 439 N N N 440 N O Y 441 N C Y 442 N C Y 443 N C Y 444 N C Y 445 N C Y 446 N C N 447 N C N 448 S C N 449 R C N 450 N O N 451 N C N 452 N O N 453 N H N 454 N H N 455 N H N 456 N H N 457 N H N 458 N H N 459 N H N 460 N H N 461 N H N 462 N H N 463 N H N 464 N H N 465 N H N 466 N H N 467 N H N 1 N doub N 2 N sing N 3 N sing N 4 N sing N 5 N sing N 6 N sing N 7 N sing N 8 N sing N 9 N sing N 10 N sing N 11 N sing N 12 N sing N 13 N doub 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 sing N 22 N sing N 23 N sing N 24 N sing N 25 N doub 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 sing N 34 N sing N 35 N sing N 36 N sing N 37 N sing N 38 N sing N 39 N doub 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 sing N 50 N sing N 51 N doub N 52 N sing N 53 N sing N 54 N sing N 55 N sing N 56 N doub 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 sing N 65 N sing N 66 N sing N 67 N doub N 68 N sing N 69 N sing N 70 N sing N 71 N sing N 72 N doub 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 doub 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 doub 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 doub 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 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 doub N 123 N sing 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 doub 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 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 sing N 153 N sing N 154 N doub N 155 N sing N 156 N sing N 157 N sing N 158 N sing Y 159 N sing Y 160 N doub Y 161 N doub N 162 N sing Y 163 N sing N 164 N sing Y 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 doub N 178 N sing N 179 N sing 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 doub 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 sing N 209 N sing N 210 N sing N 211 N sing N 212 N sing N 213 N doub 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 sing N 244 N sing N 245 N doub 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 sing N 267 N sing N 268 N sing N 269 N doub 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 sing N 286 N sing N 287 N sing N 288 N doub N 289 N sing N 290 N sing N 291 N sing N 292 N sing Y 293 N doub Y 294 N sing Y 295 N sing N 296 N sing Y 297 N doub N 298 N sing Y 299 N doub N 300 N sing Y 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 doub 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 sing N 326 N sing N 327 N sing N 328 N doub 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 sing N 339 N sing N 340 N sing N 341 N doub 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 sing N 355 N sing N 356 N sing N 357 N doub N 358 N sing N 359 N sing N 360 N sing N 361 N sing Y 362 N doub Y 363 N sing Y 364 N sing N 365 N sing Y 366 N doub Y 367 N sing Y 368 N sing N 369 N sing Y 370 N sing Y 371 N doub N 372 N sing Y 373 N doub N 374 N sing Y 375 N sing N 376 N sing N 377 N sing N 378 N sing 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 doub N 386 N sing N 387 N sing N 388 N sing N 389 N sing Y 390 N doub Y 391 N sing Y 392 N sing N 393 N sing Y 394 N doub N 395 N sing Y 396 N doub N 397 N sing Y 398 N sing N 399 N sing N 400 N sing N 401 N sing N 402 N sing N 403 N sing N 404 N sing N 405 N sing N 406 N sing N 407 N sing N 408 N sing N 409 N doub N 410 N sing N 411 N sing N 412 N sing N 413 N sing N 414 N sing N 415 N sing N 416 N sing N 417 N sing N 418 N sing N 419 N sing N 420 N sing N 421 N doub N 422 N sing N 423 N sing N 424 N sing N 425 N sing N 426 N sing Y 427 N doub Y 428 N sing N 429 N sing Y 430 N sing N 431 N sing Y 432 N doub N 433 N sing Y 434 N sing N 435 N sing Y 436 N doub N 437 N sing N 438 N sing N 439 N sing N 440 N sing N 441 N sing N 442 N sing N 443 N sing N 444 N sing N 445 N sing N 446 N sing N 447 N sing N 448 N sing N 449 N sing N 450 N sing UK J.Mol.Biol. JMOBAK 0070 0022-2836 371 1060 1074 10.1016/j.jmb.2007.06.001 17599357 A mechanistic view of enzyme inhibition and peptide hydrolysis in the active site of the SARS-CoV 3C-like peptidase 2007 10.2210/pdb2z3e/pdb pdb_00002z3e 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 1 crystal CCD 2006-05-05 ADSC QUANTUM 315 double crystal SINGLE WAVELENGTH M x-ray 1 0.97946 1.0 12.3.1 ALS 0.97946 SYNCHROTRON ALS BEAMLINE 12.3.1 33876.637 Replicase polyprotein 1ab (pp1ab) 3.4.22.- UNP residues 3241-3546, SARS-CoV 3C-like peptidase 1 man polymer 599.762 ACE VAL Z3E LEU KCQ peptide 1 syn polymer 92.094 GLYCEROL 2 syn non-polymer 18.015 water 207 nat water SARS-CoV 3C-like peptidase no no SGFRKMAFPSGKVEGCMVQVTCGTTTLNGLWLDDTVYCPRHVICTAEDMLNPNYEDLLIRKSNHSFLVQAGNVQLRVIGH SMQNCLLRLKVDTSNPKTPKYKFVRIQPGQTFSVLACYNGSPSGVYQCAMRPNHTIKGSFLNGSCGSVGFNIDYDCVSFC YMHHMELPTGVHAGTDLEGKFYGPFVDRQTAQAAGTDTTITLNVLAWLYAAVINGDRWFLNRFTTTLNDFNLVAMKYNYE PLTQDHVDILGPLSAQTGIAVLDMCAALKELLQNGMNGRTILGSTILEDEFTPFDVVRQCSGVTFQ SGFRKMAFPSGKVEGCMVQVTCGTTTLNGLWLDDTVYCPRHVICTAEDMLNPNYEDLLIRKSNHSFLVQAGNVQLRVIGH SMQNCLLRLKVDTSNPKTPKYKFVRIQPGQTFSVLACYNGSPSGVYQCAMRPNHTIKGSFLNGSCGSVGFNIDYDCVSFC YMHHMELPTGVHAGTDLEGKFYGPFVDRQTAQAAGTDTTITLNVLAWLYAAVINGDRWFLNRFTTTLNDFNLVAMKYNYE PLTQDHVDILGPLSAQTGIAVLDMCAALKELLQNGMNGRTILGSTILEDEFTPFDVVRQCSGVTFQ A polypeptide(L) no yes (ACE)V(Z3E)L(KCQ) XVXLX I 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 n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n Coronavirus Escherichia sample rep 227859 SARS coronavirus 562 Escherichia coli GJ1158 plasmid PT7HSP2 1 3.37 63.50 VAPOR DIFFUSION, HANGING DROP 6.5 50mM ammonium acetate, 5% polyethylene glycol (Mr10, 000), 3% ethylene glycol, 3% dimethyl sulfoxide, 1mM dithiothreitol, 0.1mM Mes (pH6.5), VAPOR DIFFUSION, HANGING DROP, temperature 297K 297 software chem_comp_atom chem_comp_bond database_2 pdbx_initial_refinement_model struct_conn struct_site chem_comp_atom chem_comp_bond struct_conn repository Initial release Version format compliance Atomic model Database references Derived calculations Non-polymer description Structure summary Version format compliance Other Refinement description Data collection Database references Derived calculations Refinement description Data collection Derived calculations 1 0 2007-07-03 1 1 2008-04-23 1 2 2011-07-13 1 3 2013-02-27 1 4 2017-10-11 1 5 2023-11-01 1 6 2023-11-15 _software.name _database_2.pdbx_DOI _database_2.pdbx_database_accession _struct_conn.pdbx_dist_value _struct_conn.pdbx_leaving_atom_flag _struct_conn.ptnr1_auth_asym_id _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_atom_id _struct_conn.ptnr2_label_comp_id _struct_conn.ptnr2_label_seq_id _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id _chem_comp_atom.atom_id _chem_comp_bond.atom_id_2 _struct_conn.pdbx_leaving_atom_flag PDBJ Y PDBJ 2007-06-04 REL REL GOL GLYCEROL HOH water The peptide was chemically synthesized. sample THE PEPTIDE INHIBITOR REPRESENTS THE THIACYL-LIKE FORM OF THE INHIBITOR. THE ORIGINAL INHIBITOR HAD A LARGE LEAVING GROUP (PHTALHYDRAZIDE) THAT IS REMOVED DURING THE REACTION SO IS NOT INCLUDED IN THE LIGAND. 2A5A PDB experimental model Inhibitor N-acetyl-L-valyl-O-benzyl-L-threonyl-N-[(1R,2R)-2-hydroxy-1-{[(3R)-2-oxopyrrolidin-3-yl]methyl}propyl]-L-leucinamide Peptide-like GOL 801 3 GOL GOL 801 A GOL 802 3 GOL GOL 802 A HOH 803 4 HOH HOH 803 A HOH 804 4 HOH HOH 804 A HOH 805 4 HOH HOH 805 A HOH 806 4 HOH HOH 806 A HOH 807 4 HOH HOH 807 A HOH 808 4 HOH HOH 808 A HOH 809 4 HOH HOH 809 A HOH 810 4 HOH HOH 810 A HOH 811 4 HOH HOH 811 A HOH 812 4 HOH HOH 812 A HOH 813 4 HOH HOH 813 A HOH 814 4 HOH HOH 814 A HOH 815 4 HOH HOH 815 A HOH 816 4 HOH HOH 816 A HOH 817 4 HOH HOH 817 A HOH 818 4 HOH HOH 818 A HOH 819 4 HOH HOH 819 A HOH 820 4 HOH HOH 820 A HOH 821 4 HOH HOH 821 A HOH 822 4 HOH HOH 822 A HOH 823 4 HOH HOH 823 A HOH 824 4 HOH HOH 824 A HOH 825 4 HOH HOH 825 A HOH 826 4 HOH HOH 826 A HOH 827 4 HOH HOH 827 A HOH 828 4 HOH HOH 828 A HOH 829 4 HOH HOH 829 A HOH 830 4 HOH HOH 830 A HOH 831 4 HOH HOH 831 A HOH 832 4 HOH HOH 832 A HOH 833 4 HOH HOH 833 A HOH 834 4 HOH HOH 834 A HOH 835 4 HOH HOH 835 A HOH 836 4 HOH HOH 836 A HOH 837 4 HOH HOH 837 A HOH 838 4 HOH HOH 838 A HOH 839 4 HOH HOH 839 A HOH 840 4 HOH HOH 840 A HOH 841 4 HOH HOH 841 A HOH 842 4 HOH HOH 842 A HOH 843 4 HOH HOH 843 A HOH 844 4 HOH HOH 844 A HOH 845 4 HOH HOH 845 A HOH 846 4 HOH HOH 846 A HOH 847 4 HOH HOH 847 A HOH 848 4 HOH HOH 848 A HOH 849 4 HOH HOH 849 A HOH 850 4 HOH HOH 850 A HOH 851 4 HOH HOH 851 A HOH 852 4 HOH HOH 852 A HOH 853 4 HOH HOH 853 A HOH 854 4 HOH HOH 854 A HOH 855 4 HOH HOH 855 A HOH 856 4 HOH HOH 856 A HOH 857 4 HOH HOH 857 A HOH 858 4 HOH HOH 858 A HOH 859 4 HOH HOH 859 A HOH 860 4 HOH HOH 860 A HOH 861 4 HOH HOH 861 A HOH 862 4 HOH HOH 862 A HOH 863 4 HOH HOH 863 A HOH 864 4 HOH HOH 864 A HOH 865 4 HOH HOH 865 A HOH 866 4 HOH HOH 866 A HOH 867 4 HOH HOH 867 A HOH 868 4 HOH HOH 868 A HOH 869 4 HOH HOH 869 A HOH 870 4 HOH HOH 870 A HOH 871 4 HOH HOH 871 A HOH 872 4 HOH HOH 872 A HOH 873 4 HOH HOH 873 A HOH 874 4 HOH HOH 874 A HOH 875 4 HOH HOH 875 A HOH 876 4 HOH HOH 876 A HOH 877 4 HOH HOH 877 A HOH 878 4 HOH HOH 878 A HOH 879 4 HOH HOH 879 A HOH 880 4 HOH HOH 880 A HOH 881 4 HOH HOH 881 A HOH 882 4 HOH HOH 882 A HOH 883 4 HOH HOH 883 A HOH 884 4 HOH HOH 884 A HOH 885 4 HOH HOH 885 A HOH 886 4 HOH HOH 886 A HOH 887 4 HOH HOH 887 A HOH 888 4 HOH HOH 888 A HOH 889 4 HOH HOH 889 A HOH 890 4 HOH HOH 890 A HOH 891 4 HOH HOH 891 A HOH 892 4 HOH HOH 892 A HOH 893 4 HOH HOH 893 A HOH 894 4 HOH HOH 894 A HOH 895 4 HOH HOH 895 A HOH 896 4 HOH HOH 896 A HOH 897 4 HOH HOH 897 A HOH 898 4 HOH HOH 898 A HOH 899 4 HOH HOH 899 A HOH 900 4 HOH HOH 900 A HOH 901 4 HOH HOH 901 A HOH 902 4 HOH HOH 902 A HOH 903 4 HOH HOH 903 A HOH 904 4 HOH HOH 904 A HOH 905 4 HOH HOH 905 A HOH 906 4 HOH HOH 906 A HOH 907 4 HOH HOH 907 A HOH 908 4 HOH HOH 908 A HOH 909 4 HOH HOH 909 A HOH 910 4 HOH HOH 910 A HOH 911 4 HOH HOH 911 A HOH 912 4 HOH HOH 912 A HOH 913 4 HOH HOH 913 A HOH 914 4 HOH HOH 914 A HOH 915 4 HOH HOH 915 A HOH 916 4 HOH HOH 916 A HOH 917 4 HOH HOH 917 A HOH 918 4 HOH HOH 918 A HOH 919 4 HOH HOH 919 A HOH 920 4 HOH HOH 920 A HOH 921 4 HOH HOH 921 A HOH 922 4 HOH HOH 922 A HOH 923 4 HOH HOH 923 A HOH 924 4 HOH HOH 924 A HOH 925 4 HOH HOH 925 A HOH 926 4 HOH HOH 926 A HOH 927 4 HOH HOH 927 A HOH 928 4 HOH HOH 928 A HOH 929 4 HOH HOH 929 A HOH 930 4 HOH HOH 930 A HOH 931 4 HOH HOH 931 A HOH 932 4 HOH HOH 932 A HOH 933 4 HOH HOH 933 A HOH 934 4 HOH HOH 934 A HOH 935 4 HOH HOH 935 A HOH 936 4 HOH HOH 936 A HOH 937 4 HOH HOH 937 A HOH 938 4 HOH HOH 938 A HOH 939 4 HOH HOH 939 A HOH 940 4 HOH HOH 940 A HOH 941 4 HOH HOH 941 A HOH 942 4 HOH HOH 942 A HOH 943 4 HOH HOH 943 A HOH 944 4 HOH HOH 944 A HOH 945 4 HOH HOH 945 A HOH 946 4 HOH HOH 946 A HOH 947 4 HOH HOH 947 A HOH 948 4 HOH HOH 948 A HOH 949 4 HOH HOH 949 A HOH 950 4 HOH HOH 950 A HOH 951 4 HOH HOH 951 A HOH 952 4 HOH HOH 952 A HOH 953 4 HOH HOH 953 A HOH 954 4 HOH HOH 954 A HOH 955 4 HOH HOH 955 A HOH 956 4 HOH HOH 956 A HOH 957 4 HOH HOH 957 A HOH 958 4 HOH HOH 958 A HOH 959 4 HOH HOH 959 A HOH 960 4 HOH HOH 960 A HOH 961 4 HOH HOH 961 A HOH 962 4 HOH HOH 962 A HOH 963 4 HOH HOH 963 A HOH 964 4 HOH HOH 964 A HOH 965 4 HOH HOH 965 A HOH 966 4 HOH HOH 966 A HOH 967 4 HOH HOH 967 A HOH 968 4 HOH HOH 968 A HOH 969 4 HOH HOH 969 A HOH 970 4 HOH HOH 970 A HOH 971 4 HOH HOH 971 A HOH 972 4 HOH HOH 972 A HOH 973 4 HOH HOH 973 A HOH 974 4 HOH HOH 974 A HOH 975 4 HOH HOH 975 A HOH 976 4 HOH HOH 976 A HOH 977 4 HOH HOH 977 A HOH 978 4 HOH HOH 978 A HOH 979 4 HOH HOH 979 A HOH 980 4 HOH HOH 980 A HOH 981 4 HOH HOH 981 A HOH 982 4 HOH HOH 982 A HOH 983 4 HOH HOH 983 A HOH 984 4 HOH HOH 984 A HOH 985 4 HOH HOH 985 A HOH 986 4 HOH HOH 986 A HOH 987 4 HOH HOH 987 A HOH 988 4 HOH HOH 988 A HOH 989 4 HOH HOH 989 A HOH 990 4 HOH HOH 990 A HOH 991 4 HOH HOH 991 A HOH 992 4 HOH HOH 992 A HOH 993 4 HOH HOH 993 A HOH 994 4 HOH HOH 994 A HOH 995 4 HOH HOH 995 A HOH 996 4 HOH HOH 996 A HOH 997 4 HOH HOH 997 A HOH 998 4 HOH HOH 998 A HOH 999 4 HOH HOH 999 A HOH 1000 4 HOH HOH 1000 A HOH 1001 4 HOH HOH 1001 A HOH 1002 4 HOH HOH 1002 A HOH 1003 4 HOH HOH 1003 A HOH 1004 4 HOH HOH 1004 A HOH 1005 4 HOH HOH 1005 A HOH 1006 4 HOH HOH 1006 A HOH 1007 4 HOH HOH 1007 A HOH 922 4 HOH HOH 922 I HOH 1008 4 HOH HOH 1008 I SER 1 n 1 SER 1 A GLY 2 n 2 GLY 2 A PHE 3 n 3 PHE 3 A ARG 4 n 4 ARG 4 A LYS 5 n 5 LYS 5 A MET 6 n 6 MET 6 A ALA 7 n 7 ALA 7 A PHE 8 n 8 PHE 8 A PRO 9 n 9 PRO 9 A SER 10 n 10 SER 10 A GLY 11 n 11 GLY 11 A LYS 12 n 12 LYS 12 A VAL 13 n 13 VAL 13 A GLU 14 n 14 GLU 14 A GLY 15 n 15 GLY 15 A CYS 16 n 16 CYS 16 A MET 17 n 17 MET 17 A VAL 18 n 18 VAL 18 A GLN 19 n 19 GLN 19 A VAL 20 n 20 VAL 20 A THR 21 n 21 THR 21 A CYS 22 n 22 CYS 22 A GLY 23 n 23 GLY 23 A THR 24 n 24 THR 24 A THR 25 n 25 THR 25 A THR 26 n 26 THR 26 A LEU 27 n 27 LEU 27 A ASN 28 n 28 ASN 28 A GLY 29 n 29 GLY 29 A LEU 30 n 30 LEU 30 A TRP 31 n 31 TRP 31 A LEU 32 n 32 LEU 32 A ASP 33 n 33 ASP 33 A ASP 34 n 34 ASP 34 A THR 35 n 35 THR 35 A VAL 36 n 36 VAL 36 A TYR 37 n 37 TYR 37 A CYS 38 n 38 CYS 38 A PRO 39 n 39 PRO 39 A ARG 40 n 40 ARG 40 A HIS 41 n 41 HIS 41 A VAL 42 n 42 VAL 42 A ILE 43 n 43 ILE 43 A CYS 44 n 44 CYS 44 A THR 45 n 45 THR 45 A ALA 46 n 46 ALA 46 A GLU 47 n 47 GLU 47 A ASP 48 n 48 ASP 48 A MET 49 n 49 MET 49 A LEU 50 n 50 LEU 50 A ASN 51 n 51 ASN 51 A PRO 52 n 52 PRO 52 A ASN 53 n 53 ASN 53 A TYR 54 n 54 TYR 54 A GLU 55 n 55 GLU 55 A ASP 56 n 56 ASP 56 A LEU 57 n 57 LEU 57 A LEU 58 n 58 LEU 58 A ILE 59 n 59 ILE 59 A ARG 60 n 60 ARG 60 A LYS 61 n 61 LYS 61 A SER 62 n 62 SER 62 A ASN 63 n 63 ASN 63 A HIS 64 n 64 HIS 64 A SER 65 n 65 SER 65 A PHE 66 n 66 PHE 66 A LEU 67 n 67 LEU 67 A VAL 68 n 68 VAL 68 A GLN 69 n 69 GLN 69 A ALA 70 n 70 ALA 70 A GLY 71 n 71 GLY 71 A ASN 72 n 72 ASN 72 A VAL 73 n 73 VAL 73 A GLN 74 n 74 GLN 74 A LEU 75 n 75 LEU 75 A ARG 76 n 76 ARG 76 A VAL 77 n 77 VAL 77 A ILE 78 n 78 ILE 78 A GLY 79 n 79 GLY 79 A HIS 80 n 80 HIS 80 A SER 81 n 81 SER 81 A MET 82 n 82 MET 82 A GLN 83 n 83 GLN 83 A ASN 84 n 84 ASN 84 A CYS 85 n 85 CYS 85 A LEU 86 n 86 LEU 86 A LEU 87 n 87 LEU 87 A ARG 88 n 88 ARG 88 A LEU 89 n 89 LEU 89 A LYS 90 n 90 LYS 90 A VAL 91 n 91 VAL 91 A ASP 92 n 92 ASP 92 A THR 93 n 93 THR 93 A SER 94 n 94 SER 94 A ASN 95 n 95 ASN 95 A PRO 96 n 96 PRO 96 A LYS 97 n 97 LYS 97 A THR 98 n 98 THR 98 A PRO 99 n 99 PRO 99 A LYS 100 n 100 LYS 100 A TYR 101 n 101 TYR 101 A LYS 102 n 102 LYS 102 A PHE 103 n 103 PHE 103 A VAL 104 n 104 VAL 104 A ARG 105 n 105 ARG 105 A ILE 106 n 106 ILE 106 A GLN 107 n 107 GLN 107 A PRO 108 n 108 PRO 108 A GLY 109 n 109 GLY 109 A GLN 110 n 110 GLN 110 A THR 111 n 111 THR 111 A PHE 112 n 112 PHE 112 A SER 113 n 113 SER 113 A VAL 114 n 114 VAL 114 A LEU 115 n 115 LEU 115 A ALA 116 n 116 ALA 116 A CYS 117 n 117 CYS 117 A TYR 118 n 118 TYR 118 A ASN 119 n 119 ASN 119 A GLY 120 n 120 GLY 120 A SER 121 n 121 SER 121 A PRO 122 n 122 PRO 122 A SER 123 n 123 SER 123 A GLY 124 n 124 GLY 124 A VAL 125 n 125 VAL 125 A TYR 126 n 126 TYR 126 A GLN 127 n 127 GLN 127 A CYS 128 n 128 CYS 128 A ALA 129 n 129 ALA 129 A MET 130 n 130 MET 130 A ARG 131 n 131 ARG 131 A PRO 132 n 132 PRO 132 A ASN 133 n 133 ASN 133 A HIS 134 n 134 HIS 134 A THR 135 n 135 THR 135 A ILE 136 n 136 ILE 136 A LYS 137 n 137 LYS 137 A GLY 138 n 138 GLY 138 A SER 139 n 139 SER 139 A PHE 140 n 140 PHE 140 A LEU 141 n 141 LEU 141 A ASN 142 n 142 ASN 142 A GLY 143 n 143 GLY 143 A SER 144 n 144 SER 144 A CYS 145 n 145 CYS 145 A GLY 146 n 146 GLY 146 A SER 147 n 147 SER 147 A VAL 148 n 148 VAL 148 A GLY 149 n 149 GLY 149 A PHE 150 n 150 PHE 150 A ASN 151 n 151 ASN 151 A ILE 152 n 152 ILE 152 A ASP 153 n 153 ASP 153 A TYR 154 n 154 TYR 154 A ASP 155 n 155 ASP 155 A CYS 156 n 156 CYS 156 A VAL 157 n 157 VAL 157 A SER 158 n 158 SER 158 A PHE 159 n 159 PHE 159 A CYS 160 n 160 CYS 160 A TYR 161 n 161 TYR 161 A MET 162 n 162 MET 162 A HIS 163 n 163 HIS 163 A HIS 164 n 164 HIS 164 A MET 165 n 165 MET 165 A GLU 166 n 166 GLU 166 A LEU 167 n 167 LEU 167 A PRO 168 n 168 PRO 168 A THR 169 n 169 THR 169 A GLY 170 n 170 GLY 170 A VAL 171 n 171 VAL 171 A HIS 172 n 172 HIS 172 A ALA 173 n 173 ALA 173 A GLY 174 n 174 GLY 174 A THR 175 n 175 THR 175 A ASP 176 n 176 ASP 176 A LEU 177 n 177 LEU 177 A GLU 178 n 178 GLU 178 A GLY 179 n 179 GLY 179 A LYS 180 n 180 LYS 180 A PHE 181 n 181 PHE 181 A TYR 182 n 182 TYR 182 A GLY 183 n 183 GLY 183 A PRO 184 n 184 PRO 184 A PHE 185 n 185 PHE 185 A VAL 186 n 186 VAL 186 A ASP 187 n 187 ASP 187 A ARG 188 n 188 ARG 188 A GLN 189 n 189 GLN 189 A THR 190 n 190 THR 190 A ALA 191 n 191 ALA 191 A GLN 192 n 192 GLN 192 A ALA 193 n 193 ALA 193 A ALA 194 n 194 ALA 194 A GLY 195 n 195 GLY 195 A THR 196 n 196 THR 196 A ASP 197 n 197 ASP 197 A THR 198 n 198 THR 198 A THR 199 n 199 THR 199 A ILE 200 n 200 ILE 200 A THR 201 n 201 THR 201 A LEU 202 n 202 LEU 202 A ASN 203 n 203 ASN 203 A VAL 204 n 204 VAL 204 A LEU 205 n 205 LEU 205 A ALA 206 n 206 ALA 206 A TRP 207 n 207 TRP 207 A LEU 208 n 208 LEU 208 A TYR 209 n 209 TYR 209 A ALA 210 n 210 ALA 210 A ALA 211 n 211 ALA 211 A VAL 212 n 212 VAL 212 A ILE 213 n 213 ILE 213 A ASN 214 n 214 ASN 214 A GLY 215 n 215 GLY 215 A ASP 216 n 216 ASP 216 A ARG 217 n 217 ARG 217 A TRP 218 n 218 TRP 218 A PHE 219 n 219 PHE 219 A LEU 220 n 220 LEU 220 A ASN 221 n 221 ASN 221 A ARG 222 n 222 ARG 222 A PHE 223 n 223 PHE 223 A THR 224 n 224 THR 224 A THR 225 n 225 THR 225 A THR 226 n 226 THR 226 A LEU 227 n 227 LEU 227 A ASN 228 n 228 ASN 228 A ASP 229 n 229 ASP 229 A PHE 230 n 230 PHE 230 A ASN 231 n 231 ASN 231 A LEU 232 n 232 LEU 232 A VAL 233 n 233 VAL 233 A ALA 234 n 234 ALA 234 A MET 235 n 235 MET 235 A LYS 236 n 236 LYS 236 A TYR 237 n 237 TYR 237 A ASN 238 n 238 ASN 238 A TYR 239 n 239 TYR 239 A GLU 240 n 240 GLU 240 A PRO 241 n 241 PRO 241 A LEU 242 n 242 LEU 242 A THR 243 n 243 THR 243 A GLN 244 n 244 GLN 244 A ASP 245 n 245 ASP 245 A HIS 246 n 246 HIS 246 A VAL 247 n 247 VAL 247 A ASP 248 n 248 ASP 248 A ILE 249 n 249 ILE 249 A LEU 250 n 250 LEU 250 A GLY 251 n 251 GLY 251 A PRO 252 n 252 PRO 252 A LEU 253 n 253 LEU 253 A SER 254 n 254 SER 254 A ALA 255 n 255 ALA 255 A GLN 256 n 256 GLN 256 A THR 257 n 257 THR 257 A GLY 258 n 258 GLY 258 A ILE 259 n 259 ILE 259 A ALA 260 n 260 ALA 260 A VAL 261 n 261 VAL 261 A LEU 262 n 262 LEU 262 A ASP 263 n 263 ASP 263 A MET 264 n 264 MET 264 A CYS 265 n 265 CYS 265 A ALA 266 n 266 ALA 266 A ALA 267 n 267 ALA 267 A LEU 268 n 268 LEU 268 A LYS 269 n 269 LYS 269 A GLU 270 n 270 GLU 270 A LEU 271 n 271 LEU 271 A LEU 272 n 272 LEU 272 A GLN 273 n 273 GLN 273 A ASN 274 n 274 ASN 274 A GLY 275 n 275 GLY 275 A MET 276 n 276 MET 276 A ASN 277 n 277 ASN 277 A GLY 278 n 278 GLY 278 A ARG 279 n 279 ARG 279 A THR 280 n 280 THR 280 A ILE 281 n 281 ILE 281 A LEU 282 n 282 LEU 282 A GLY 283 n 283 GLY 283 A SER 284 n 284 SER 284 A THR 285 n 285 THR 285 A ILE 286 n 286 ILE 286 A LEU 287 n 287 LEU 287 A GLU 288 n 288 GLU 288 A ASP 289 n 289 ASP 289 A GLU 290 n 290 GLU 290 A PHE 291 n 291 PHE 291 A THR 292 n 292 THR 292 A PRO 293 n 293 PRO 293 A PHE 294 n 294 PHE 294 A ASP 295 n 295 ASP 295 A VAL 296 n 296 VAL 296 A VAL 297 n 297 VAL 297 A ARG 298 n 298 ARG 298 A GLN 299 n 299 GLN 299 A CYS 300 n 300 CYS 300 A SER 301 n 301 SER 301 A GLY 302 n 302 GLY 302 A VAL 303 n 303 VAL 303 A THR 304 n 304 THR 304 A PHE 305 n 305 PHE 305 A GLN 306 n 306 GLN 306 A ACE 1 n 1 ACE 1 I VAL 2 n 2 VAL 2 I Z3E 3 n 3 Z3E 3 I LEU 4 n 4 LEU 4 I KCQ 6 n 5 KCQ 6 I author_defined_assembly 4 tetrameric software_defined_assembly PISA 2 dimeric 6630 -31 25640 I Z3E 3 O-BENZYL-L-THREONINE B Z3E 3 THR 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 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 2_555 -x,y,-z crystal symmetry operation 0.0000000000 0.0000000000 0.0000000000 A O LEU 75 A O LEU 75 A N VAL 68 A N VAL 68 A O GLN 69 A O GLN 69 A N GLN 19 A N GLN 19 A N VAL 20 A N VAL 20 A O LEU 27 A O LEU 27 A N LEU 32 A N LEU 32 A O THR 35 A O THR 35 A N VAL 36 A N VAL 36 A O LEU 89 A O LEU 89 A O LYS 90 A O LYS 90 A N ILE 78 A N ILE 78 A N LYS 100 A N LYS 100 A O VAL 157 A O VAL 157 A O CYS 156 A O CYS 156 A N ASP 153 A N ASP 153 A O VAL 148 A O VAL 148 A N LEU 115 A N LEU 115 A N VAL 114 A N VAL 114 A O TYR 126 A O TYR 126 A N LYS 100 A N LYS 100 A O VAL 157 A O VAL 157 A N MET 165 A N MET 165 A O ALA 173 A O ALA 173 1 A HOH 966 E HOH 1 9.00 1.20 111.50 120.50 A A A CB CA C CYS CYS CYS 145 145 145 N 1 8.66 0.90 118.30 126.96 A A A CB CG OD1 ASP ASP ASP 176 176 176 N 1 -5.92 0.90 118.30 112.38 A A A CB CG OD2 ASP ASP ASP 176 176 176 N 1 A A CD OE2 GLU GLU 47 47 0.098 0.011 1.252 1.350 N 1 A A CB SG CYS CYS 265 265 -0.096 0.016 1.812 1.716 N 1 A ASP 33 45.14 -130.66 1 A ASP 48 -106.59 49.65 1 A ASN 51 -154.11 73.40 1 A HIS 80 -170.87 144.86 1 A ASN 84 56.30 -120.98 1 A TYR 154 66.64 -120.38 1 A ASP 176 -59.93 -171.20 1 A ASP 187 -96.05 57.86 1 A ARG 222 -79.42 24.83 1 A ASN 277 -8.30 116.86 32.661 -1.67 0.00 1.37 2.61 0.00 -0.25 0.942 0.894 HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS 0.23123 0.18746 0.18952 2.32 15.47 872 16658 5.0 89.03 13.202 0.173 RANDOM 1 THROUGHOUT 0 0 MOLECULAR REPLACEMENT 0.311 0.253 0.80 0.80 1.20 2A5A MAXIMUM LIKELIHOOD MASK 2.32 15.47 207 2634 12 0 2415 0.020 0.022 2524 1.956 1.968 3431 8.412 5.000 313 36.777 24.182 110 17.534 15.000 403 23.940 15.000 13 0.127 0.200 384 0.007 0.020 1916 0.229 0.200 1129 0.308 0.200 1652 0.217 0.200 121 0.262 0.200 54 0.257 0.200 10 0.831 1.500 1602 1.320 2.000 2537 2.170 3.000 1034 3.128 4.500 892 0.282 0.234 2.379 59 1090 1149 20 81.26 2.32 15.47 2Z3E 19683 18207 0 0 0.061 0.061 1 8.9 92.5 0.186 2.32 2.45 5.4 2868 0.186 1 92.8 refinement REFMAC 5.2.0005 data collection Blu-Ice data reduction MOSFLM data scaling SCALA phasing MOLREP A Mechanistic view of Enzyme Inhibition and Peptide Hydrolysis in the Active Site of the SARS-CoV 3C-Like peptidase 1 N N 2 N N 3 N N 3 N N 4 N N 4 N N A SER 10 A SER 10 HELX_P A GLY 15 A GLY 15 1 1 6 A HIS 41 A HIS 41 HELX_P A CYS 44 A CYS 44 5 2 4 A ASN 53 A ASN 53 HELX_P A ARG 60 A ARG 60 1 3 8 A SER 62 A SER 62 HELX_P A HIS 64 A HIS 64 5 4 3 A ILE 200 A ILE 200 HELX_P A GLY 215 A GLY 215 1 5 16 A THR 226 A THR 226 HELX_P A TYR 237 A TYR 237 1 6 12 A THR 243 A THR 243 HELX_P A LEU 250 A LEU 250 1 7 8 A LEU 250 A LEU 250 HELX_P A GLY 258 A GLY 258 1 8 9 A ALA 260 A ALA 260 HELX_P A GLY 275 A GLY 275 1 9 16 A THR 292 A THR 292 HELX_P A CYS 300 A CYS 300 1 10 9 covale 1.806 one A CYS 145 A SG CYS 145 1_555 I KCQ 6 B CMK KCQ 5 1_555 covale 1.330 both I ACE 1 B C ACE 1 1_555 I VAL 2 B N VAL 2 1_555 covale 1.363 both I VAL 2 B C VAL 2 1_555 I Z3E 3 B N Z3E 3 1_555 covale 1.351 both I Z3E 3 B C Z3E 3 1_555 I LEU 4 B N LEU 4 1_555 HYDROLASE/HYDROLASE INHIBITOR SARS, 3C-like peptidase, 3CL, main proteinase, viral cysteine protease, HYDROLASE-HYDROLASE INHIBITOR COMPLEX, VIRAL PROTEIN R1AB_CVHSA UNP 1 3241 P59641 SGFRKMAFPSGKVEGCMVQVTCGTTTLNGLWLDDTVYCPRHVICTAEDMLNPNYEDLLIRKSNHSFLVQAGNVQLRVIGH SMQNCLLRLKVDTSNPKTPKYKFVRIQPGQTFSVLACYNGSPSGVYQCAMRPNHTIKGSFLNGSCGSVGFNIDYDCVSFC YMHHMELPTGVHAGTDLEGKFYGPFVDRQTAQAAGTDTTITLNVLAWLYAAVINGDRWFLNRFTTTLNDFNLVAMKYNYE PLTQDHVDILGPLSAQTGIAVLDMCAALKELLQNGMNGRTILGSTILEDEFTPFDVVRQCSGVTFQ 2Z3E PDB 2 2Z3E 3241 3546 2Z3E 1 306 P59641 A 1 1 306 1 6 2Z3E 1 6 2Z3E I 2 1 5 7 5 3 anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel parallel anti-parallel anti-parallel anti-parallel parallel anti-parallel A VAL 73 A VAL 73 A LEU 75 A LEU 75 A PHE 66 A PHE 66 A ALA 70 A ALA 70 A MET 17 A MET 17 A CYS 22 A CYS 22 A THR 25 A THR 25 A LEU 32 A LEU 32 A THR 35 A THR 35 A PRO 39 A PRO 39 A LEU 86 A LEU 86 A VAL 91 A VAL 91 A VAL 77 A VAL 77 A GLN 83 A GLN 83 A LYS 100 A LYS 100 A PHE 103 A PHE 103 A CYS 156 A CYS 156 A GLU 166 A GLU 166 A VAL 148 A VAL 148 A ASP 153 A ASP 153 A THR 111 A THR 111 A TYR 118 A TYR 118 A SER 121 A SER 121 A ALA 129 A ALA 129 A LYS 100 A LYS 100 A PHE 103 A PHE 103 A CYS 156 A CYS 156 A GLU 166 A GLU 166 A HIS 172 A HIS 172 A THR 175 A THR 175 BINDING SITE FOR RESIDUE GOL A 801 A GOL 801 Software 8 BINDING SITE FOR RESIDUE GOL A 802 A GOL 802 Software 3 BINDING SITE FOR CHAIN I OF ACE VAL Z3E LEU KCQ PEPTIDE Software 17 A LYS 5 A LYS 5 8 2_554 A LYS 5 A LYS 5 8 1_555 A ALA 7 A ALA 7 8 1_555 A VAL 125 A VAL 125 8 2_554 A TYR 126 A TYR 126 8 2_554 A TYR 126 A TYR 126 8 1_555 A GLN 127 A GLN 127 8 1_555 A GLN 127 A GLN 127 8 2_554 A ASN 63 A ASN 63 3 1_555 A GLY 79 A GLY 79 3 1_555 A HIS 80 A HIS 80 3 1_555 A HIS 41 A HIS 41 17 1_555 A MET 49 A MET 49 17 1_555 A PHE 140 A PHE 140 17 1_555 A ASN 142 A ASN 142 17 1_555 A GLY 143 A GLY 143 17 1_555 A SER 144 A SER 144 17 1_555 A CYS 145 A CYS 145 17 1_555 A HIS 163 A HIS 163 17 1_555 A HIS 164 A HIS 164 17 1_555 A MET 165 A MET 165 17 1_555 A GLU 166 A GLU 166 17 1_555 A PRO 168 A PRO 168 17 1_555 A HIS 172 A HIS 172 17 1_555 A GLN 189 A GLN 189 17 1_555 A THR 190 A THR 190 17 1_555 A HOH 865 E HOH 17 1_555 I HOH 1008 F HOH 17 1_555 5 C 1 2 1