0.019457 0.004981 0.012301 0.000000 0.020102 0.012382 0.000000 0.000000 0.024649 0.00000 0.00000 0.00000 Zhong, N. Zhang, S. Xue, F. Kang, X. Lou, Z. Xia, B. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 4 112.22 112.00 104.36 51.395 51.350 51.390 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 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 N N 184 S C N 185 N C N 186 N O N 187 N C N 188 N C N 189 N C N 190 N C N 191 N O 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 H N 205 N N N 206 S C N 207 N C N 208 N O N 209 N C N 210 N C N 211 N C N 212 N C N 213 N N N 214 N O 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 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 S 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 N N 251 S C N 252 N C N 253 N O N 254 N C Y 255 N C Y 256 N C Y 257 N C Y 258 N C Y 259 N C Y 260 N C 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 N N 274 S C N 275 N C N 276 N O N 277 N C N 278 N C N 279 N C N 280 N O 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 N N 291 S C N 292 N C N 293 N O N 294 N C N 295 N O N 296 N O N 297 N H 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 N N 305 S C N 306 N C N 307 N O N 308 R C N 309 N O N 310 N C N 311 N O 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 H N 321 N N N 322 S C N 323 N C N 324 N O N 325 N C Y 326 N C Y 327 N C Y 328 N C Y 329 N N Y 330 N C Y 331 N C Y 332 N C Y 333 N C Y 334 N C N 335 N O N 336 N H 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 N N 349 S C N 350 N C N 351 N O N 352 N C Y 353 N C Y 354 N C Y 355 N C Y 356 N C Y 357 N C Y 358 N C N 359 N O N 360 N O 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 H N 369 N H N 370 N H N 371 N H N 372 N N N 373 S C N 374 N C N 375 N O N 376 N C N 377 N C N 378 N C N 379 N O 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 H N 387 N H N 388 N H N 389 N H N 390 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 PROTEIN SCI. PRCIEI 0795 0961-8368 18 839 844 10.1002/pro.76 19319935 C-terminal domain of SARS-CoV main protease can form a 3D domain-swapped dimer 2009 10.2210/pdb3ebn/pdb pdb_00003ebn 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 osmic mirror IMAGE PLATE 2007-12-07 RIGAKU RAXIS IV++ SINGLE WAVELENGTH M x-ray 1 1.5418 1.0 1.5418 ROTATING ANODE RIGAKU MICROMAX-007 13010.697 Replicase polyprotein 1ab 3.4.22.- UNP residues 3429-3546 4 man polymer 18.015 water 59 nat water pp1ab, ORF1ab polyprotein, 3C-like proteinase, 3CL-PRO, 3CLp, nsp5 no no QTAQAAGTDTTITLNVLAWLYAAVINGDRWFLNRFTTTLNDFNLVAMKYNYEPLTQDHVDILGPLSAQTGIAVLDMCAAL KELLQNGMNGRTILGSTILEDEFTPFDVVRQCSGVTFQ QTAQAAGTDTTITLNVLAWLYAAVINGDRWFLNRFTTTLNDFNLVAMKYNYEPLTQDHVDILGPLSAQTGIAVLDMCAAL KELLQNGMNGRTILGSTILEDEFTPFDVVRQCSGVTFQ A,B,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 SARS-CoV sample rep, 1a-1b 227859 SARS coronavirus 562 Escherichia coli Rosetta plasmid pET-21a 1 1.99 38.28 VAPOR DIFFUSION, SITTING DROP 5.5 25% PEG3350, pH5.5, VAPOR DIFFUSION, SITTING DROP, temperature 289K 289 chem_comp_atom chem_comp_bond database_2 pdbx_initial_refinement_model repository Initial release Version format compliance Data collection Database references Refinement description 1 0 2009-05-19 1 1 2011-07-13 1 2 2023-11-01 _database_2.pdbx_DOI _database_2.pdbx_database_accession RCSB Y PDBJ 2008-08-28 REL REL HOH water 1UK2 PDB ENTRY 1UK2 PDB experimental model HOH 8 2 HOH HOH 8 A HOH 14 2 HOH HOH 14 A HOH 15 2 HOH HOH 15 A HOH 24 2 HOH HOH 24 A HOH 26 2 HOH HOH 26 A HOH 28 2 HOH HOH 28 A HOH 32 2 HOH HOH 32 A HOH 36 2 HOH HOH 36 A HOH 42 2 HOH HOH 42 A HOH 44 2 HOH HOH 44 A HOH 48 2 HOH HOH 48 A HOH 3 2 HOH HOH 3 B HOH 4 2 HOH HOH 4 B HOH 6 2 HOH HOH 6 B HOH 7 2 HOH HOH 7 B HOH 10 2 HOH HOH 10 B HOH 12 2 HOH HOH 12 B HOH 13 2 HOH HOH 13 B HOH 17 2 HOH HOH 17 B HOH 25 2 HOH HOH 25 B HOH 30 2 HOH HOH 30 B HOH 37 2 HOH HOH 37 B HOH 38 2 HOH HOH 38 B HOH 39 2 HOH HOH 39 B HOH 40 2 HOH HOH 40 B HOH 43 2 HOH HOH 43 B HOH 46 2 HOH HOH 46 B HOH 49 2 HOH HOH 49 B HOH 55 2 HOH HOH 55 B HOH 59 2 HOH HOH 59 B HOH 1 2 HOH HOH 1 C HOH 2 2 HOH HOH 2 C HOH 5 2 HOH HOH 5 C HOH 9 2 HOH HOH 9 C HOH 20 2 HOH HOH 20 C HOH 21 2 HOH HOH 21 C HOH 22 2 HOH HOH 22 C HOH 31 2 HOH HOH 31 C HOH 34 2 HOH HOH 34 C HOH 35 2 HOH HOH 35 C HOH 41 2 HOH HOH 41 C HOH 45 2 HOH HOH 45 C HOH 52 2 HOH HOH 52 C HOH 56 2 HOH HOH 56 C HOH 60 2 HOH HOH 60 C HOH 11 2 HOH HOH 11 D HOH 16 2 HOH HOH 16 D HOH 18 2 HOH HOH 18 D HOH 19 2 HOH HOH 19 D HOH 23 2 HOH HOH 23 D HOH 27 2 HOH HOH 27 D HOH 29 2 HOH HOH 29 D HOH 33 2 HOH HOH 33 D HOH 47 2 HOH HOH 47 D HOH 50 2 HOH HOH 50 D HOH 51 2 HOH HOH 51 D HOH 54 2 HOH HOH 54 D HOH 57 2 HOH HOH 57 D HOH 58 2 HOH HOH 58 D n 1 189 A n 2 190 A n 3 191 A n 4 192 A n 5 193 A n 6 194 A n 7 195 A n 8 196 A n 9 197 A THR 198 n 10 THR 198 A THR 199 n 11 THR 199 A ILE 200 n 12 ILE 200 A THR 201 n 13 THR 201 A LEU 202 n 14 LEU 202 A ASN 203 n 15 ASN 203 A VAL 204 n 16 VAL 204 A LEU 205 n 17 LEU 205 A ALA 206 n 18 ALA 206 A TRP 207 n 19 TRP 207 A LEU 208 n 20 LEU 208 A TYR 209 n 21 TYR 209 A ALA 210 n 22 ALA 210 A ALA 211 n 23 ALA 211 A VAL 212 n 24 VAL 212 A ILE 213 n 25 ILE 213 A ASN 214 n 26 ASN 214 A GLY 215 n 27 GLY 215 A ASP 216 n 28 ASP 216 A ARG 217 n 29 ARG 217 A TRP 218 n 30 TRP 218 A PHE 219 n 31 PHE 219 A LEU 220 n 32 LEU 220 A ASN 221 n 33 ASN 221 A ARG 222 n 34 ARG 222 A PHE 223 n 35 PHE 223 A THR 224 n 36 THR 224 A THR 225 n 37 THR 225 A THR 226 n 38 THR 226 A LEU 227 n 39 LEU 227 A ASN 228 n 40 ASN 228 A ASP 229 n 41 ASP 229 A PHE 230 n 42 PHE 230 A ASN 231 n 43 ASN 231 A LEU 232 n 44 LEU 232 A VAL 233 n 45 VAL 233 A ALA 234 n 46 ALA 234 A MET 235 n 47 MET 235 A LYS 236 n 48 LYS 236 A TYR 237 n 49 TYR 237 A ASN 238 n 50 ASN 238 A TYR 239 n 51 TYR 239 A GLU 240 n 52 GLU 240 A PRO 241 n 53 PRO 241 A LEU 242 n 54 LEU 242 A THR 243 n 55 THR 243 A GLN 244 n 56 GLN 244 A ASP 245 n 57 ASP 245 A HIS 246 n 58 HIS 246 A VAL 247 n 59 VAL 247 A ASP 248 n 60 ASP 248 A ILE 249 n 61 ILE 249 A LEU 250 n 62 LEU 250 A GLY 251 n 63 GLY 251 A PRO 252 n 64 PRO 252 A LEU 253 n 65 LEU 253 A SER 254 n 66 SER 254 A ALA 255 n 67 ALA 255 A GLN 256 n 68 GLN 256 A THR 257 n 69 THR 257 A GLY 258 n 70 GLY 258 A ILE 259 n 71 ILE 259 A ALA 260 n 72 ALA 260 A VAL 261 n 73 VAL 261 A LEU 262 n 74 LEU 262 A ASP 263 n 75 ASP 263 A MET 264 n 76 MET 264 A CYS 265 n 77 CYS 265 A ALA 266 n 78 ALA 266 A ALA 267 n 79 ALA 267 A LEU 268 n 80 LEU 268 A LYS 269 n 81 LYS 269 A GLU 270 n 82 GLU 270 A LEU 271 n 83 LEU 271 A LEU 272 n 84 LEU 272 A GLN 273 n 85 GLN 273 A ASN 274 n 86 ASN 274 A GLY 275 n 87 GLY 275 A MET 276 n 88 MET 276 A ASN 277 n 89 ASN 277 A GLY 278 n 90 GLY 278 A ARG 279 n 91 ARG 279 A THR 280 n 92 THR 280 A ILE 281 n 93 ILE 281 A LEU 282 n 94 LEU 282 A GLY 283 n 95 GLY 283 A SER 284 n 96 SER 284 A THR 285 n 97 THR 285 A ILE 286 n 98 ILE 286 A LEU 287 n 99 LEU 287 A GLU 288 n 100 GLU 288 A ASP 289 n 101 ASP 289 A GLU 290 n 102 GLU 290 A PHE 291 n 103 PHE 291 A THR 292 n 104 THR 292 A PRO 293 n 105 PRO 293 A PHE 294 n 106 PHE 294 A ASP 295 n 107 ASP 295 A VAL 296 n 108 VAL 296 A VAL 297 n 109 VAL 297 A n 110 298 A n 111 299 A n 112 300 A n 113 301 A n 114 302 A n 115 303 A n 116 304 A n 117 305 A n 118 306 A n 1 189 B n 2 190 B n 3 191 B n 4 192 B n 5 193 B n 6 194 B n 7 195 B n 8 196 B n 9 197 B THR 198 n 10 THR 198 B THR 199 n 11 THR 199 B ILE 200 n 12 ILE 200 B THR 201 n 13 THR 201 B LEU 202 n 14 LEU 202 B ASN 203 n 15 ASN 203 B VAL 204 n 16 VAL 204 B LEU 205 n 17 LEU 205 B ALA 206 n 18 ALA 206 B TRP 207 n 19 TRP 207 B LEU 208 n 20 LEU 208 B TYR 209 n 21 TYR 209 B ALA 210 n 22 ALA 210 B ALA 211 n 23 ALA 211 B VAL 212 n 24 VAL 212 B ILE 213 n 25 ILE 213 B ASN 214 n 26 ASN 214 B GLY 215 n 27 GLY 215 B ASP 216 n 28 ASP 216 B ARG 217 n 29 ARG 217 B TRP 218 n 30 TRP 218 B PHE 219 n 31 PHE 219 B LEU 220 n 32 LEU 220 B ASN 221 n 33 ASN 221 B ARG 222 n 34 ARG 222 B PHE 223 n 35 PHE 223 B THR 224 n 36 THR 224 B THR 225 n 37 THR 225 B THR 226 n 38 THR 226 B LEU 227 n 39 LEU 227 B ASN 228 n 40 ASN 228 B ASP 229 n 41 ASP 229 B PHE 230 n 42 PHE 230 B ASN 231 n 43 ASN 231 B LEU 232 n 44 LEU 232 B VAL 233 n 45 VAL 233 B ALA 234 n 46 ALA 234 B MET 235 n 47 MET 235 B LYS 236 n 48 LYS 236 B TYR 237 n 49 TYR 237 B ASN 238 n 50 ASN 238 B TYR 239 n 51 TYR 239 B GLU 240 n 52 GLU 240 B PRO 241 n 53 PRO 241 B LEU 242 n 54 LEU 242 B THR 243 n 55 THR 243 B GLN 244 n 56 GLN 244 B ASP 245 n 57 ASP 245 B HIS 246 n 58 HIS 246 B VAL 247 n 59 VAL 247 B ASP 248 n 60 ASP 248 B ILE 249 n 61 ILE 249 B LEU 250 n 62 LEU 250 B GLY 251 n 63 GLY 251 B PRO 252 n 64 PRO 252 B LEU 253 n 65 LEU 253 B SER 254 n 66 SER 254 B ALA 255 n 67 ALA 255 B GLN 256 n 68 GLN 256 B THR 257 n 69 THR 257 B GLY 258 n 70 GLY 258 B ILE 259 n 71 ILE 259 B ALA 260 n 72 ALA 260 B VAL 261 n 73 VAL 261 B LEU 262 n 74 LEU 262 B ASP 263 n 75 ASP 263 B MET 264 n 76 MET 264 B CYS 265 n 77 CYS 265 B ALA 266 n 78 ALA 266 B ALA 267 n 79 ALA 267 B LEU 268 n 80 LEU 268 B LYS 269 n 81 LYS 269 B GLU 270 n 82 GLU 270 B LEU 271 n 83 LEU 271 B LEU 272 n 84 LEU 272 B GLN 273 n 85 GLN 273 B ASN 274 n 86 ASN 274 B GLY 275 n 87 GLY 275 B MET 276 n 88 MET 276 B ASN 277 n 89 ASN 277 B GLY 278 n 90 GLY 278 B ARG 279 n 91 ARG 279 B THR 280 n 92 THR 280 B ILE 281 n 93 ILE 281 B LEU 282 n 94 LEU 282 B GLY 283 n 95 GLY 283 B SER 284 n 96 SER 284 B THR 285 n 97 THR 285 B ILE 286 n 98 ILE 286 B LEU 287 n 99 LEU 287 B GLU 288 n 100 GLU 288 B ASP 289 n 101 ASP 289 B GLU 290 n 102 GLU 290 B PHE 291 n 103 PHE 291 B THR 292 n 104 THR 292 B PRO 293 n 105 PRO 293 B PHE 294 n 106 PHE 294 B ASP 295 n 107 ASP 295 B VAL 296 n 108 VAL 296 B VAL 297 n 109 VAL 297 B n 110 298 B n 111 299 B n 112 300 B n 113 301 B n 114 302 B n 115 303 B n 116 304 B n 117 305 B n 118 306 B n 1 189 C n 2 190 C n 3 191 C n 4 192 C n 5 193 C n 6 194 C n 7 195 C n 8 196 C n 9 197 C THR 198 n 10 THR 198 C THR 199 n 11 THR 199 C ILE 200 n 12 ILE 200 C THR 201 n 13 THR 201 C LEU 202 n 14 LEU 202 C ASN 203 n 15 ASN 203 C VAL 204 n 16 VAL 204 C LEU 205 n 17 LEU 205 C ALA 206 n 18 ALA 206 C TRP 207 n 19 TRP 207 C LEU 208 n 20 LEU 208 C TYR 209 n 21 TYR 209 C ALA 210 n 22 ALA 210 C ALA 211 n 23 ALA 211 C VAL 212 n 24 VAL 212 C ILE 213 n 25 ILE 213 C ASN 214 n 26 ASN 214 C GLY 215 n 27 GLY 215 C ASP 216 n 28 ASP 216 C ARG 217 n 29 ARG 217 C TRP 218 n 30 TRP 218 C PHE 219 n 31 PHE 219 C LEU 220 n 32 LEU 220 C ASN 221 n 33 ASN 221 C ARG 222 n 34 ARG 222 C PHE 223 n 35 PHE 223 C THR 224 n 36 THR 224 C THR 225 n 37 THR 225 C THR 226 n 38 THR 226 C LEU 227 n 39 LEU 227 C ASN 228 n 40 ASN 228 C ASP 229 n 41 ASP 229 C PHE 230 n 42 PHE 230 C ASN 231 n 43 ASN 231 C LEU 232 n 44 LEU 232 C VAL 233 n 45 VAL 233 C ALA 234 n 46 ALA 234 C MET 235 n 47 MET 235 C LYS 236 n 48 LYS 236 C TYR 237 n 49 TYR 237 C ASN 238 n 50 ASN 238 C TYR 239 n 51 TYR 239 C GLU 240 n 52 GLU 240 C PRO 241 n 53 PRO 241 C LEU 242 n 54 LEU 242 C THR 243 n 55 THR 243 C GLN 244 n 56 GLN 244 C ASP 245 n 57 ASP 245 C HIS 246 n 58 HIS 246 C VAL 247 n 59 VAL 247 C ASP 248 n 60 ASP 248 C ILE 249 n 61 ILE 249 C LEU 250 n 62 LEU 250 C GLY 251 n 63 GLY 251 C PRO 252 n 64 PRO 252 C LEU 253 n 65 LEU 253 C SER 254 n 66 SER 254 C ALA 255 n 67 ALA 255 C GLN 256 n 68 GLN 256 C THR 257 n 69 THR 257 C GLY 258 n 70 GLY 258 C ILE 259 n 71 ILE 259 C ALA 260 n 72 ALA 260 C VAL 261 n 73 VAL 261 C LEU 262 n 74 LEU 262 C ASP 263 n 75 ASP 263 C MET 264 n 76 MET 264 C CYS 265 n 77 CYS 265 C ALA 266 n 78 ALA 266 C ALA 267 n 79 ALA 267 C LEU 268 n 80 LEU 268 C LYS 269 n 81 LYS 269 C GLU 270 n 82 GLU 270 C LEU 271 n 83 LEU 271 C LEU 272 n 84 LEU 272 C GLN 273 n 85 GLN 273 C ASN 274 n 86 ASN 274 C GLY 275 n 87 GLY 275 C MET 276 n 88 MET 276 C ASN 277 n 89 ASN 277 C GLY 278 n 90 GLY 278 C ARG 279 n 91 ARG 279 C THR 280 n 92 THR 280 C ILE 281 n 93 ILE 281 C LEU 282 n 94 LEU 282 C GLY 283 n 95 GLY 283 C SER 284 n 96 SER 284 C THR 285 n 97 THR 285 C ILE 286 n 98 ILE 286 C LEU 287 n 99 LEU 287 C GLU 288 n 100 GLU 288 C ASP 289 n 101 ASP 289 C GLU 290 n 102 GLU 290 C PHE 291 n 103 PHE 291 C THR 292 n 104 THR 292 C PRO 293 n 105 PRO 293 C PHE 294 n 106 PHE 294 C ASP 295 n 107 ASP 295 C VAL 296 n 108 VAL 296 C VAL 297 n 109 VAL 297 C ARG 298 n 110 ARG 298 C n 111 299 C n 112 300 C n 113 301 C n 114 302 C n 115 303 C n 116 304 C n 117 305 C n 118 306 C n 1 189 D n 2 190 D n 3 191 D n 4 192 D n 5 193 D n 6 194 D n 7 195 D n 8 196 D n 9 197 D THR 198 n 10 THR 198 D THR 199 n 11 THR 199 D ILE 200 n 12 ILE 200 D THR 201 n 13 THR 201 D LEU 202 n 14 LEU 202 D ASN 203 n 15 ASN 203 D VAL 204 n 16 VAL 204 D LEU 205 n 17 LEU 205 D ALA 206 n 18 ALA 206 D TRP 207 n 19 TRP 207 D LEU 208 n 20 LEU 208 D TYR 209 n 21 TYR 209 D ALA 210 n 22 ALA 210 D ALA 211 n 23 ALA 211 D VAL 212 n 24 VAL 212 D ILE 213 n 25 ILE 213 D ASN 214 n 26 ASN 214 D GLY 215 n 27 GLY 215 D ASP 216 n 28 ASP 216 D ARG 217 n 29 ARG 217 D TRP 218 n 30 TRP 218 D PHE 219 n 31 PHE 219 D LEU 220 n 32 LEU 220 D ASN 221 n 33 ASN 221 D ARG 222 n 34 ARG 222 D PHE 223 n 35 PHE 223 D THR 224 n 36 THR 224 D THR 225 n 37 THR 225 D THR 226 n 38 THR 226 D LEU 227 n 39 LEU 227 D ASN 228 n 40 ASN 228 D ASP 229 n 41 ASP 229 D PHE 230 n 42 PHE 230 D ASN 231 n 43 ASN 231 D LEU 232 n 44 LEU 232 D VAL 233 n 45 VAL 233 D ALA 234 n 46 ALA 234 D MET 235 n 47 MET 235 D LYS 236 n 48 LYS 236 D TYR 237 n 49 TYR 237 D ASN 238 n 50 ASN 238 D TYR 239 n 51 TYR 239 D GLU 240 n 52 GLU 240 D PRO 241 n 53 PRO 241 D LEU 242 n 54 LEU 242 D THR 243 n 55 THR 243 D GLN 244 n 56 GLN 244 D ASP 245 n 57 ASP 245 D HIS 246 n 58 HIS 246 D VAL 247 n 59 VAL 247 D ASP 248 n 60 ASP 248 D ILE 249 n 61 ILE 249 D LEU 250 n 62 LEU 250 D GLY 251 n 63 GLY 251 D PRO 252 n 64 PRO 252 D LEU 253 n 65 LEU 253 D SER 254 n 66 SER 254 D ALA 255 n 67 ALA 255 D GLN 256 n 68 GLN 256 D THR 257 n 69 THR 257 D GLY 258 n 70 GLY 258 D ILE 259 n 71 ILE 259 D ALA 260 n 72 ALA 260 D VAL 261 n 73 VAL 261 D LEU 262 n 74 LEU 262 D ASP 263 n 75 ASP 263 D MET 264 n 76 MET 264 D CYS 265 n 77 CYS 265 D ALA 266 n 78 ALA 266 D ALA 267 n 79 ALA 267 D LEU 268 n 80 LEU 268 D LYS 269 n 81 LYS 269 D GLU 270 n 82 GLU 270 D LEU 271 n 83 LEU 271 D LEU 272 n 84 LEU 272 D GLN 273 n 85 GLN 273 D ASN 274 n 86 ASN 274 D GLY 275 n 87 GLY 275 D MET 276 n 88 MET 276 D ASN 277 n 89 ASN 277 D GLY 278 n 90 GLY 278 D ARG 279 n 91 ARG 279 D THR 280 n 92 THR 280 D ILE 281 n 93 ILE 281 D LEU 282 n 94 LEU 282 D GLY 283 n 95 GLY 283 D SER 284 n 96 SER 284 D THR 285 n 97 THR 285 D ILE 286 n 98 ILE 286 D LEU 287 n 99 LEU 287 D GLU 288 n 100 GLU 288 D ASP 289 n 101 ASP 289 D GLU 290 n 102 GLU 290 D PHE 291 n 103 PHE 291 D THR 292 n 104 THR 292 D PRO 293 n 105 PRO 293 D PHE 294 n 106 PHE 294 D ASP 295 n 107 ASP 295 D VAL 296 n 108 VAL 296 D VAL 297 n 109 VAL 297 D ARG 298 n 110 ARG 298 D n 111 299 D n 112 300 D n 113 301 D n 114 302 D n 115 303 D n 116 304 D n 117 305 D n 118 306 D author_and_software_defined_assembly PISA 2 dimeric author_and_software_defined_assembly PISA 2 dimeric 5940 -55.9 10350 5990 -53.0 10070 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 A GLN 189 A GLN 1 1 Y 1 A THR 190 A THR 2 1 Y 1 A ALA 191 A ALA 3 1 Y 1 A GLN 192 A GLN 4 1 Y 1 A ALA 193 A ALA 5 1 Y 1 A ALA 194 A ALA 6 1 Y 1 A GLY 195 A GLY 7 1 Y 1 A THR 196 A THR 8 1 Y 1 A ASP 197 A ASP 9 1 Y 1 A ARG 298 A ARG 110 1 Y 1 A GLN 299 A GLN 111 1 Y 1 A CYS 300 A CYS 112 1 Y 1 A SER 301 A SER 113 1 Y 1 A GLY 302 A GLY 114 1 Y 1 A VAL 303 A VAL 115 1 Y 1 A THR 304 A THR 116 1 Y 1 A PHE 305 A PHE 117 1 Y 1 A GLN 306 A GLN 118 1 Y 1 B GLN 189 B GLN 1 1 Y 1 B THR 190 B THR 2 1 Y 1 B ALA 191 B ALA 3 1 Y 1 B GLN 192 B GLN 4 1 Y 1 B ALA 193 B ALA 5 1 Y 1 B ALA 194 B ALA 6 1 Y 1 B GLY 195 B GLY 7 1 Y 1 B THR 196 B THR 8 1 Y 1 B ASP 197 B ASP 9 1 Y 1 B ARG 298 B ARG 110 1 Y 1 B GLN 299 B GLN 111 1 Y 1 B CYS 300 B CYS 112 1 Y 1 B SER 301 B SER 113 1 Y 1 B GLY 302 B GLY 114 1 Y 1 B VAL 303 B VAL 115 1 Y 1 B THR 304 B THR 116 1 Y 1 B PHE 305 B PHE 117 1 Y 1 B GLN 306 B GLN 118 1 Y 1 C GLN 189 C GLN 1 1 Y 1 C THR 190 C THR 2 1 Y 1 C ALA 191 C ALA 3 1 Y 1 C GLN 192 C GLN 4 1 Y 1 C ALA 193 C ALA 5 1 Y 1 C ALA 194 C ALA 6 1 Y 1 C GLY 195 C GLY 7 1 Y 1 C THR 196 C THR 8 1 Y 1 C ASP 197 C ASP 9 1 Y 1 C GLN 299 C GLN 111 1 Y 1 C CYS 300 C CYS 112 1 Y 1 C SER 301 C SER 113 1 Y 1 C GLY 302 C GLY 114 1 Y 1 C VAL 303 C VAL 115 1 Y 1 C THR 304 C THR 116 1 Y 1 C PHE 305 C PHE 117 1 Y 1 C GLN 306 C GLN 118 1 Y 1 D GLN 189 D GLN 1 1 Y 1 D THR 190 D THR 2 1 Y 1 D ALA 191 D ALA 3 1 Y 1 D GLN 192 D GLN 4 1 Y 1 D ALA 193 D ALA 5 1 Y 1 D ALA 194 D ALA 6 1 Y 1 D GLY 195 D GLY 7 1 Y 1 D THR 196 D THR 8 1 Y 1 D ASP 197 D ASP 9 1 Y 1 D GLN 299 D GLN 111 1 Y 1 D CYS 300 D CYS 112 1 Y 1 D SER 301 D SER 113 1 Y 1 D GLY 302 D GLY 114 1 Y 1 D VAL 303 D VAL 115 1 Y 1 D THR 304 D THR 116 1 Y 1 D PHE 305 D PHE 117 1 Y 1 D GLN 306 D GLN 118 1 Y 1 -16.93 2.70 111.00 94.07 B B B N CA C THR THR THR 224 224 224 N 1 A ARG 217 -145.54 -34.96 1 A ARG 222 -65.19 -176.12 1 A THR 224 -68.06 -172.39 1 A ALA 260 -49.71 150.06 1 B ARG 217 -146.29 -29.69 1 B ARG 222 -76.55 -153.90 1 B ASN 277 39.52 52.34 1 C ARG 217 -145.38 -25.95 1 C THR 224 70.34 -174.74 1 D ARG 217 -141.88 -27.56 1 D ARG 222 -80.50 -141.92 1 D PHE 223 -163.83 -166.47 1 D ALA 260 -49.28 152.13 0.243 0.208 0.209 2.4 50.0 718 15252 14727 random 1 0 0 MOLECULAR REPLACEMENT PDB ENTRY 1UK2 Engh & Huber 2.4 50.0 59 3217 0 0 3158 0.007 1.322 2.4 50.0 3EBN 15252 14727 0 0 0.051 1 95 0.190 2.4 2.5 88.1 data collection CrystalClear phasing PHASER refinement CNS 1.1 data reduction HKL-2000 data scaling HKL-2000 A Special Dimerization of SARS-CoV Main Protease C-Terminal Domain Due to Domain-swapping 1 N N 1 N N 1 N N 1 N N 2 N N 2 N N 2 N N 2 N N A ILE 200 A ILE 12 HELX_P A ASN 214 A ASN 26 1 1 15 A THR 226 A THR 38 HELX_P A TYR 237 A TYR 49 1 2 12 A THR 243 A THR 55 HELX_P A LEU 250 A LEU 62 1 3 8 A LEU 250 A LEU 62 HELX_P A GLY 258 A GLY 70 1 4 9 A ALA 260 A ALA 72 HELX_P A GLY 275 A GLY 87 1 5 16 A THR 292 A THR 104 HELX_P A VAL 297 A VAL 109 1 6 6 B ILE 200 B ILE 12 HELX_P B ASN 214 B ASN 26 1 7 15 B ARG 217 B ARG 29 HELX_P B ASN 221 B ASN 33 5 8 5 B THR 226 B THR 38 HELX_P B TYR 237 B TYR 49 1 9 12 B THR 243 B THR 55 HELX_P B LEU 250 B LEU 62 1 10 8 B LEU 250 B LEU 62 HELX_P B GLY 258 B GLY 70 1 11 9 B ALA 260 B ALA 72 HELX_P B GLY 275 B GLY 87 1 12 16 B THR 292 B THR 104 HELX_P B VAL 297 B VAL 109 1 13 6 C ILE 200 C ILE 12 HELX_P C ASN 214 C ASN 26 1 14 15 C ARG 217 C ARG 29 HELX_P C ASN 221 C ASN 33 5 15 5 C THR 226 C THR 38 HELX_P C TYR 237 C TYR 49 1 16 12 C THR 243 C THR 55 HELX_P C LEU 250 C LEU 62 1 17 8 C LEU 250 C LEU 62 HELX_P C GLY 258 C GLY 70 1 18 9 C ALA 260 C ALA 72 HELX_P C GLY 275 C GLY 87 1 19 16 C THR 292 C THR 104 HELX_P C ARG 298 C ARG 110 1 20 7 D ILE 200 D ILE 12 HELX_P D ASN 214 D ASN 26 1 21 15 D ARG 217 D ARG 29 HELX_P D ASN 221 D ASN 33 5 22 5 D THR 226 D THR 38 HELX_P D TYR 237 D TYR 49 1 23 12 D THR 243 D THR 55 HELX_P D LEU 250 D LEU 62 1 24 8 D LEU 250 D LEU 62 HELX_P D GLY 258 D GLY 70 1 25 9 D ALA 260 D ALA 72 HELX_P D GLY 275 D GLY 87 1 26 16 D THR 292 D THR 104 HELX_P D ARG 298 D ARG 110 1 27 7 HYDROLASE SARS, coronavirus, main protease, dimerization, N-finger, C-terminal domain, HYDROLASE R1AB_CVHSA UNP 1 3429 P0C6X7 QTAQAAGTDTTITLNVLAWLYAAVINGDRWFLNRFTTTLNDFNLVAMKYNYEPLTQDHVDILGPLSAQTGIAVLDMCAAL KELLQNGMNGRTILGSTILEDEFTPFDVVRQCSGVTFQ 3429 3546 3EBN 189 306 P0C6X7 A 1 1 118 3429 3546 3EBN 189 306 P0C6X7 B 1 1 118 3429 3546 3EBN 189 306 P0C6X7 C 1 1 118 3429 3546 3EBN 189 306 P0C6X7 D 1 1 118 1 P 1