0.007898 0.004560 0.000000 0.000000 0.009120 0.000000 0.000000 0.000000 0.014859 0.00000 0.00000 0.00000 Strop, P. Montfort, W.R. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 12 90.00 90.00 120.00 126.610 126.610 67.300 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 H23 N5 O6 477.469 10-PROPARGYL-5,8-DIDEAZAFOLIC ACID non-polymer C6 H11 N O4 S 193.221 n N-CARBOXYMETHIONINE 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 C9 H13 N2 O8 P 308.182 2'-DEOXYURIDINE 5'-MONOPHOSPHATE DUMP non-polymer C5 H11 N O2 117.146 y VALINE L-peptide linking US Protein Sci. PRCIEI 0795 0961-8368 6 2504 2511 9416600 Crystal structures of a marginally active thymidylate synthase mutant, Arg 126-->Glu. 1997 10.2210/pdb1aiq/pdb pdb_00001aiq 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 295 1 DIFFRACTOMETER 1995-12 ENRAF-NONIUS FAST GRAPHITE(002) M x-ray 1 1.5418 1.0 1.5418 ROTATING ANODE ENRAF-NONIUS FR571 30531.584 THYMIDYLATE SYNTHASE 2.1.1.45 R126E 2 man polymer 308.182 2'-DEOXYURIDINE 5'-MONOPHOSPHATE 2 syn non-polymer 477.469 10-PROPARGYL-5,8-DIDEAZAFOLIC ACID 2 syn non-polymer 18.015 water 176 nat water TRANSFERASE no yes (CXM)KQYLELMQKVLDEGTQKNDRTGTGTLSIFGHQMRFNLQDGFPLVTTKRCHLRSIIHELLWFLQGDTNIAYLHENN VTIWDEWADENGDLGPVYGKQWRAWPTPDGRHIDQITTVLNQLKNDPDSERIIVSAWNVGELDKMALAPCHAFFQFYVAD GKLSCQLYQRSCDVFLGLPFNIASYALLVHMMAQQCDLEVGDFVWTGGDTHLYSNHMDQTHLQLSREPRPLPKLIIKRKP ESIFDYRFEDFEIEGYDPHPGIKAPVAI MKQYLELMQKVLDEGTQKNDRTGTGTLSIFGHQMRFNLQDGFPLVTTKRCHLRSIIHELLWFLQGDTNIAYLHENNVTIW DEWADENGDLGPVYGKQWRAWPTPDGRHIDQITTVLNQLKNDPDSERIIVSAWNVGELDKMALAPCHAFFQFYVADGKLS CQLYQRSCDVFLGLPFNIASYALLVHMMAQQCDLEVGDFVWTGGDTHLYSNHMDQTHLQLSREPRPLPKLIIKRKPESIF DYRFEDFEIEGYDPHPGIKAPVAI A,B 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 Escherichia Escherichia sample 562 Escherichia coli 562 Escherichia coli XAC25 THY- STRAIN BLUSCRIPT SK+ 1 2.55 52. 8.0 2.4M AMMONIUM SULFATE, 20MM, pH 8.0 diffrn_detector database_2 struct_conn struct_ref_seq_dif struct_site repository Initial release Version format compliance Non-polymer description Version format compliance Data collection Database references Derived calculations 1 0 1997-11-12 1 1 2008-03-24 1 2 2011-07-13 1 3 2018-04-18 1 4 2021-11-03 _diffrn_detector.detector _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_asym_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 Y BNL 1997-04-23 REL UMP 2'-DEOXYURIDINE 5'-MONOPHOSPHATE CB3 10-PROPARGYL-5,8-DIDEAZAFOLIC ACID HOH water UMP 265 2 UMP UMP 265 A CB3 266 3 CB3 CB3 266 A UMP 266 2 UMP UMP 266 B CB3 267 3 CB3 CB3 267 B HOH 270 4 HOH HOH 270 A HOH 271 4 HOH HOH 271 A HOH 272 4 HOH HOH 272 A HOH 273 4 HOH HOH 273 A HOH 274 4 HOH HOH 274 A HOH 275 4 HOH HOH 275 A HOH 277 4 HOH HOH 277 A HOH 278 4 HOH HOH 278 A HOH 282 4 HOH HOH 282 A HOH 283 4 HOH HOH 283 A HOH 284 4 HOH HOH 284 A HOH 285 4 HOH HOH 285 A HOH 286 4 HOH HOH 286 A HOH 287 4 HOH HOH 287 A HOH 289 4 HOH HOH 289 A HOH 290 4 HOH HOH 290 A HOH 291 4 HOH HOH 291 A HOH 292 4 HOH HOH 292 A HOH 293 4 HOH HOH 293 A HOH 294 4 HOH HOH 294 A HOH 297 4 HOH HOH 297 A HOH 299 4 HOH HOH 299 A HOH 300 4 HOH HOH 300 A HOH 302 4 HOH HOH 302 A HOH 305 4 HOH HOH 305 A HOH 306 4 HOH HOH 306 A HOH 307 4 HOH HOH 307 A HOH 308 4 HOH HOH 308 A HOH 309 4 HOH HOH 309 A HOH 311 4 HOH HOH 311 A HOH 313 4 HOH HOH 313 A HOH 314 4 HOH HOH 314 A HOH 315 4 HOH HOH 315 A HOH 316 4 HOH HOH 316 A HOH 317 4 HOH HOH 317 A HOH 318 4 HOH HOH 318 A HOH 319 4 HOH HOH 319 A HOH 320 4 HOH HOH 320 A HOH 321 4 HOH HOH 321 A HOH 322 4 HOH HOH 322 A HOH 324 4 HOH HOH 324 A HOH 325 4 HOH HOH 325 A HOH 326 4 HOH HOH 326 A HOH 327 4 HOH HOH 327 A HOH 328 4 HOH HOH 328 A HOH 329 4 HOH HOH 329 A HOH 330 4 HOH HOH 330 A HOH 332 4 HOH HOH 332 A HOH 333 4 HOH HOH 333 A HOH 334 4 HOH HOH 334 A HOH 335 4 HOH HOH 335 A HOH 336 4 HOH HOH 336 A HOH 337 4 HOH HOH 337 A HOH 338 4 HOH HOH 338 A HOH 343 4 HOH HOH 343 A HOH 344 4 HOH HOH 344 A HOH 347 4 HOH HOH 347 A HOH 354 4 HOH HOH 354 A HOH 358 4 HOH HOH 358 A HOH 359 4 HOH HOH 359 A HOH 363 4 HOH HOH 363 A HOH 366 4 HOH HOH 366 A HOH 373 4 HOH HOH 373 A HOH 374 4 HOH HOH 374 A HOH 375 4 HOH HOH 375 A HOH 376 4 HOH HOH 376 A HOH 379 4 HOH HOH 379 A HOH 383 4 HOH HOH 383 A HOH 384 4 HOH HOH 384 A HOH 385 4 HOH HOH 385 A HOH 386 4 HOH HOH 386 A HOH 387 4 HOH HOH 387 A HOH 388 4 HOH HOH 388 A HOH 389 4 HOH HOH 389 A HOH 390 4 HOH HOH 390 A HOH 391 4 HOH HOH 391 A HOH 392 4 HOH HOH 392 A HOH 393 4 HOH HOH 393 A HOH 394 4 HOH HOH 394 A HOH 395 4 HOH HOH 395 A HOH 396 4 HOH HOH 396 A HOH 398 4 HOH HOH 398 A HOH 403 4 HOH HOH 403 A HOH 405 4 HOH HOH 405 A HOH 406 4 HOH HOH 406 A HOH 407 4 HOH HOH 407 A HOH 408 4 HOH HOH 408 A HOH 409 4 HOH HOH 409 A HOH 411 4 HOH HOH 411 A HOH 412 4 HOH HOH 412 A HOH 413 4 HOH HOH 413 A HOH 415 4 HOH HOH 415 A HOH 417 4 HOH HOH 417 A HOH 418 4 HOH HOH 418 A HOH 419 4 HOH HOH 419 A HOH 420 4 HOH HOH 420 A HOH 421 4 HOH HOH 421 A HOH 425 4 HOH HOH 425 A HOH 426 4 HOH HOH 426 A HOH 427 4 HOH HOH 427 A HOH 430 4 HOH HOH 430 A HOH 431 4 HOH HOH 431 A HOH 432 4 HOH HOH 432 A HOH 433 4 HOH HOH 433 A HOH 434 4 HOH HOH 434 A HOH 436 4 HOH HOH 436 A HOH 437 4 HOH HOH 437 A HOH 438 4 HOH HOH 438 A HOH 439 4 HOH HOH 439 A HOH 440 4 HOH HOH 440 A HOH 441 4 HOH HOH 441 A HOH 442 4 HOH HOH 442 A HOH 443 4 HOH HOH 443 A HOH 268 4 HOH HOH 268 B HOH 269 4 HOH HOH 269 B HOH 276 4 HOH HOH 276 B HOH 279 4 HOH HOH 279 B HOH 280 4 HOH HOH 280 B HOH 281 4 HOH HOH 281 B HOH 288 4 HOH HOH 288 B HOH 295 4 HOH HOH 295 B HOH 296 4 HOH HOH 296 B HOH 298 4 HOH HOH 298 B HOH 301 4 HOH HOH 301 B HOH 303 4 HOH HOH 303 B HOH 304 4 HOH HOH 304 B HOH 310 4 HOH HOH 310 B HOH 312 4 HOH HOH 312 B HOH 323 4 HOH HOH 323 B HOH 331 4 HOH HOH 331 B HOH 339 4 HOH HOH 339 B HOH 340 4 HOH HOH 340 B HOH 341 4 HOH HOH 341 B HOH 342 4 HOH HOH 342 B HOH 345 4 HOH HOH 345 B HOH 346 4 HOH HOH 346 B HOH 348 4 HOH HOH 348 B HOH 349 4 HOH HOH 349 B HOH 350 4 HOH HOH 350 B HOH 351 4 HOH HOH 351 B HOH 352 4 HOH HOH 352 B HOH 353 4 HOH HOH 353 B HOH 355 4 HOH HOH 355 B HOH 356 4 HOH HOH 356 B HOH 357 4 HOH HOH 357 B HOH 360 4 HOH HOH 360 B HOH 361 4 HOH HOH 361 B HOH 362 4 HOH HOH 362 B HOH 364 4 HOH HOH 364 B HOH 365 4 HOH HOH 365 B HOH 367 4 HOH HOH 367 B HOH 368 4 HOH HOH 368 B HOH 369 4 HOH HOH 369 B HOH 370 4 HOH HOH 370 B HOH 371 4 HOH HOH 371 B HOH 372 4 HOH HOH 372 B HOH 377 4 HOH HOH 377 B HOH 378 4 HOH HOH 378 B HOH 380 4 HOH HOH 380 B HOH 381 4 HOH HOH 381 B HOH 382 4 HOH HOH 382 B HOH 397 4 HOH HOH 397 B HOH 399 4 HOH HOH 399 B HOH 400 4 HOH HOH 400 B HOH 401 4 HOH HOH 401 B HOH 402 4 HOH HOH 402 B HOH 404 4 HOH HOH 404 B HOH 410 4 HOH HOH 410 B HOH 414 4 HOH HOH 414 B HOH 416 4 HOH HOH 416 B HOH 422 4 HOH HOH 422 B HOH 423 4 HOH HOH 423 B HOH 424 4 HOH HOH 424 B HOH 428 4 HOH HOH 428 B HOH 429 4 HOH HOH 429 B HOH 435 4 HOH HOH 435 B CXM 1 n 1 CXM 1 A LYS 2 n 2 LYS 2 A GLN 3 n 3 GLN 3 A TYR 4 n 4 TYR 4 A LEU 5 n 5 LEU 5 A GLU 6 n 6 GLU 6 A LEU 7 n 7 LEU 7 A MET 8 n 8 MET 8 A GLN 9 n 9 GLN 9 A LYS 10 n 10 LYS 10 A VAL 11 n 11 VAL 11 A LEU 12 n 12 LEU 12 A ASP 13 n 13 ASP 13 A GLU 14 n 14 GLU 14 A GLY 15 n 15 GLY 15 A THR 16 n 16 THR 16 A GLN 17 n 17 GLN 17 A LYS 18 n 18 LYS 18 A ASN 19 n 19 ASN 19 A ASP 20 n 20 ASP 20 A ARG 21 n 21 ARG 21 A THR 22 n 22 THR 22 A GLY 23 n 23 GLY 23 A THR 24 n 24 THR 24 A GLY 25 n 25 GLY 25 A THR 26 n 26 THR 26 A LEU 27 n 27 LEU 27 A SER 28 n 28 SER 28 A ILE 29 n 29 ILE 29 A PHE 30 n 30 PHE 30 A GLY 31 n 31 GLY 31 A HIS 32 n 32 HIS 32 A GLN 33 n 33 GLN 33 A MET 34 n 34 MET 34 A ARG 35 n 35 ARG 35 A PHE 36 n 36 PHE 36 A ASN 37 n 37 ASN 37 A LEU 38 n 38 LEU 38 A GLN 39 n 39 GLN 39 A ASP 40 n 40 ASP 40 A GLY 41 n 41 GLY 41 A PHE 42 n 42 PHE 42 A PRO 43 n 43 PRO 43 A LEU 44 n 44 LEU 44 A VAL 45 n 45 VAL 45 A THR 46 n 46 THR 46 A THR 47 n 47 THR 47 A LYS 48 n 48 LYS 48 A ARG 49 n 49 ARG 49 A CYS 50 n 50 CYS 50 A HIS 51 n 51 HIS 51 A LEU 52 n 52 LEU 52 A ARG 53 n 53 ARG 53 A SER 54 n 54 SER 54 A ILE 55 n 55 ILE 55 A ILE 56 n 56 ILE 56 A HIS 57 n 57 HIS 57 A GLU 58 n 58 GLU 58 A LEU 59 n 59 LEU 59 A LEU 60 n 60 LEU 60 A TRP 61 n 61 TRP 61 A PHE 62 n 62 PHE 62 A LEU 63 n 63 LEU 63 A GLN 64 n 64 GLN 64 A GLY 65 n 65 GLY 65 A ASP 66 n 66 ASP 66 A THR 67 n 67 THR 67 A ASN 68 n 68 ASN 68 A ILE 69 n 69 ILE 69 A ALA 70 n 70 ALA 70 A TYR 71 n 71 TYR 71 A LEU 72 n 72 LEU 72 A HIS 73 n 73 HIS 73 A GLU 74 n 74 GLU 74 A ASN 75 n 75 ASN 75 A ASN 76 n 76 ASN 76 A VAL 77 n 77 VAL 77 A THR 78 n 78 THR 78 A ILE 79 n 79 ILE 79 A TRP 80 n 80 TRP 80 A ASP 81 n 81 ASP 81 A GLU 82 n 82 GLU 82 A TRP 83 n 83 TRP 83 A ALA 84 n 84 ALA 84 A ASP 85 n 85 ASP 85 A GLU 86 n 86 GLU 86 A ASN 87 n 87 ASN 87 A GLY 88 n 88 GLY 88 A ASP 89 n 89 ASP 89 A LEU 90 n 90 LEU 90 A GLY 91 n 91 GLY 91 A PRO 92 n 92 PRO 92 A VAL 93 n 93 VAL 93 A TYR 94 n 94 TYR 94 A GLY 95 n 95 GLY 95 A LYS 96 n 96 LYS 96 A GLN 97 n 97 GLN 97 A TRP 98 n 98 TRP 98 A ARG 99 n 99 ARG 99 A ALA 100 n 100 ALA 100 A TRP 101 n 101 TRP 101 A PRO 102 n 102 PRO 102 A THR 103 n 103 THR 103 A PRO 104 n 104 PRO 104 A ASP 105 n 105 ASP 105 A GLY 106 n 106 GLY 106 A ARG 107 n 107 ARG 107 A HIS 108 n 108 HIS 108 A ILE 109 n 109 ILE 109 A ASP 110 n 110 ASP 110 A GLN 111 n 111 GLN 111 A ILE 112 n 112 ILE 112 A THR 113 n 113 THR 113 A THR 114 n 114 THR 114 A VAL 115 n 115 VAL 115 A LEU 116 n 116 LEU 116 A ASN 117 n 117 ASN 117 A GLN 118 n 118 GLN 118 A LEU 119 n 119 LEU 119 A LYS 120 n 120 LYS 120 A ASN 121 n 121 ASN 121 A ASP 122 n 122 ASP 122 A PRO 123 n 123 PRO 123 A ASP 124 n 124 ASP 124 A SER 125 n 125 SER 125 A GLU 126 n 126 GLU 126 A ARG 127 n 127 ARG 127 A ILE 128 n 128 ILE 128 A ILE 129 n 129 ILE 129 A VAL 130 n 130 VAL 130 A SER 131 n 131 SER 131 A ALA 132 n 132 ALA 132 A TRP 133 n 133 TRP 133 A ASN 134 n 134 ASN 134 A VAL 135 n 135 VAL 135 A GLY 136 n 136 GLY 136 A GLU 137 n 137 GLU 137 A LEU 138 n 138 LEU 138 A ASP 139 n 139 ASP 139 A LYS 140 n 140 LYS 140 A MET 141 n 141 MET 141 A ALA 142 n 142 ALA 142 A LEU 143 n 143 LEU 143 A ALA 144 n 144 ALA 144 A PRO 145 n 145 PRO 145 A CYS 146 n 146 CYS 146 A HIS 147 n 147 HIS 147 A ALA 148 n 148 ALA 148 A PHE 149 n 149 PHE 149 A PHE 150 n 150 PHE 150 A GLN 151 n 151 GLN 151 A PHE 152 n 152 PHE 152 A TYR 153 n 153 TYR 153 A VAL 154 n 154 VAL 154 A ALA 155 n 155 ALA 155 A ASP 156 n 156 ASP 156 A GLY 157 n 157 GLY 157 A LYS 158 n 158 LYS 158 A LEU 159 n 159 LEU 159 A SER 160 n 160 SER 160 A CYS 161 n 161 CYS 161 A GLN 162 n 162 GLN 162 A LEU 163 n 163 LEU 163 A TYR 164 n 164 TYR 164 A GLN 165 n 165 GLN 165 A ARG 166 n 166 ARG 166 A SER 167 n 167 SER 167 A CYS 168 n 168 CYS 168 A ASP 169 n 169 ASP 169 A VAL 170 n 170 VAL 170 A PHE 171 n 171 PHE 171 A LEU 172 n 172 LEU 172 A GLY 173 n 173 GLY 173 A LEU 174 n 174 LEU 174 A PRO 175 n 175 PRO 175 A PHE 176 n 176 PHE 176 A ASN 177 n 177 ASN 177 A ILE 178 n 178 ILE 178 A ALA 179 n 179 ALA 179 A SER 180 n 180 SER 180 A TYR 181 n 181 TYR 181 A ALA 182 n 182 ALA 182 A LEU 183 n 183 LEU 183 A LEU 184 n 184 LEU 184 A VAL 185 n 185 VAL 185 A HIS 186 n 186 HIS 186 A MET 187 n 187 MET 187 A MET 188 n 188 MET 188 A ALA 189 n 189 ALA 189 A GLN 190 n 190 GLN 190 A GLN 191 n 191 GLN 191 A CYS 192 n 192 CYS 192 A ASP 193 n 193 ASP 193 A LEU 194 n 194 LEU 194 A GLU 195 n 195 GLU 195 A VAL 196 n 196 VAL 196 A GLY 197 n 197 GLY 197 A ASP 198 n 198 ASP 198 A PHE 199 n 199 PHE 199 A VAL 200 n 200 VAL 200 A TRP 201 n 201 TRP 201 A THR 202 n 202 THR 202 A GLY 203 n 203 GLY 203 A GLY 204 n 204 GLY 204 A ASP 205 n 205 ASP 205 A THR 206 n 206 THR 206 A HIS 207 n 207 HIS 207 A LEU 208 n 208 LEU 208 A TYR 209 n 209 TYR 209 A SER 210 n 210 SER 210 A ASN 211 n 211 ASN 211 A HIS 212 n 212 HIS 212 A MET 213 n 213 MET 213 A ASP 214 n 214 ASP 214 A GLN 215 n 215 GLN 215 A THR 216 n 216 THR 216 A HIS 217 n 217 HIS 217 A LEU 218 n 218 LEU 218 A GLN 219 n 219 GLN 219 A LEU 220 n 220 LEU 220 A SER 221 n 221 SER 221 A ARG 222 n 222 ARG 222 A GLU 223 n 223 GLU 223 A PRO 224 n 224 PRO 224 A ARG 225 n 225 ARG 225 A PRO 226 n 226 PRO 226 A LEU 227 n 227 LEU 227 A PRO 228 n 228 PRO 228 A LYS 229 n 229 LYS 229 A LEU 230 n 230 LEU 230 A ILE 231 n 231 ILE 231 A ILE 232 n 232 ILE 232 A LYS 233 n 233 LYS 233 A ARG 234 n 234 ARG 234 A LYS 235 n 235 LYS 235 A PRO 236 n 236 PRO 236 A GLU 237 n 237 GLU 237 A SER 238 n 238 SER 238 A ILE 239 n 239 ILE 239 A PHE 240 n 240 PHE 240 A ASP 241 n 241 ASP 241 A TYR 242 n 242 TYR 242 A ARG 243 n 243 ARG 243 A PHE 244 n 244 PHE 244 A GLU 245 n 245 GLU 245 A ASP 246 n 246 ASP 246 A PHE 247 n 247 PHE 247 A GLU 248 n 248 GLU 248 A ILE 249 n 249 ILE 249 A GLU 250 n 250 GLU 250 A GLY 251 n 251 GLY 251 A TYR 252 n 252 TYR 252 A ASP 253 n 253 ASP 253 A PRO 254 n 254 PRO 254 A HIS 255 n 255 HIS 255 A PRO 256 n 256 PRO 256 A GLY 257 n 257 GLY 257 A ILE 258 n 258 ILE 258 A LYS 259 n 259 LYS 259 A ALA 260 n 260 ALA 260 A PRO 261 n 261 PRO 261 A VAL 262 n 262 VAL 262 A ALA 263 n 263 ALA 263 A ILE 264 n 264 ILE 264 A CXM 1 n 1 CXM 1 B LYS 2 n 2 LYS 2 B GLN 3 n 3 GLN 3 B TYR 4 n 4 TYR 4 B LEU 5 n 5 LEU 5 B GLU 6 n 6 GLU 6 B LEU 7 n 7 LEU 7 B MET 8 n 8 MET 8 B GLN 9 n 9 GLN 9 B LYS 10 n 10 LYS 10 B VAL 11 n 11 VAL 11 B LEU 12 n 12 LEU 12 B ASP 13 n 13 ASP 13 B GLU 14 n 14 GLU 14 B GLY 15 n 15 GLY 15 B THR 16 n 16 THR 16 B GLN 17 n 17 GLN 17 B LYS 18 n 18 LYS 18 B ASN 19 n 19 ASN 19 B ASP 20 n 20 ASP 20 B ARG 21 n 21 ARG 21 B THR 22 n 22 THR 22 B GLY 23 n 23 GLY 23 B THR 24 n 24 THR 24 B GLY 25 n 25 GLY 25 B THR 26 n 26 THR 26 B LEU 27 n 27 LEU 27 B SER 28 n 28 SER 28 B ILE 29 n 29 ILE 29 B PHE 30 n 30 PHE 30 B GLY 31 n 31 GLY 31 B HIS 32 n 32 HIS 32 B GLN 33 n 33 GLN 33 B MET 34 n 34 MET 34 B ARG 35 n 35 ARG 35 B PHE 36 n 36 PHE 36 B ASN 37 n 37 ASN 37 B LEU 38 n 38 LEU 38 B GLN 39 n 39 GLN 39 B ASP 40 n 40 ASP 40 B GLY 41 n 41 GLY 41 B PHE 42 n 42 PHE 42 B PRO 43 n 43 PRO 43 B LEU 44 n 44 LEU 44 B VAL 45 n 45 VAL 45 B THR 46 n 46 THR 46 B THR 47 n 47 THR 47 B LYS 48 n 48 LYS 48 B ARG 49 n 49 ARG 49 B CYS 50 n 50 CYS 50 B HIS 51 n 51 HIS 51 B LEU 52 n 52 LEU 52 B ARG 53 n 53 ARG 53 B SER 54 n 54 SER 54 B ILE 55 n 55 ILE 55 B ILE 56 n 56 ILE 56 B HIS 57 n 57 HIS 57 B GLU 58 n 58 GLU 58 B LEU 59 n 59 LEU 59 B LEU 60 n 60 LEU 60 B TRP 61 n 61 TRP 61 B PHE 62 n 62 PHE 62 B LEU 63 n 63 LEU 63 B GLN 64 n 64 GLN 64 B GLY 65 n 65 GLY 65 B ASP 66 n 66 ASP 66 B THR 67 n 67 THR 67 B ASN 68 n 68 ASN 68 B ILE 69 n 69 ILE 69 B ALA 70 n 70 ALA 70 B TYR 71 n 71 TYR 71 B LEU 72 n 72 LEU 72 B HIS 73 n 73 HIS 73 B GLU 74 n 74 GLU 74 B ASN 75 n 75 ASN 75 B ASN 76 n 76 ASN 76 B VAL 77 n 77 VAL 77 B THR 78 n 78 THR 78 B ILE 79 n 79 ILE 79 B TRP 80 n 80 TRP 80 B ASP 81 n 81 ASP 81 B GLU 82 n 82 GLU 82 B TRP 83 n 83 TRP 83 B ALA 84 n 84 ALA 84 B ASP 85 n 85 ASP 85 B GLU 86 n 86 GLU 86 B ASN 87 n 87 ASN 87 B GLY 88 n 88 GLY 88 B ASP 89 n 89 ASP 89 B LEU 90 n 90 LEU 90 B GLY 91 n 91 GLY 91 B PRO 92 n 92 PRO 92 B VAL 93 n 93 VAL 93 B TYR 94 n 94 TYR 94 B GLY 95 n 95 GLY 95 B LYS 96 n 96 LYS 96 B GLN 97 n 97 GLN 97 B TRP 98 n 98 TRP 98 B ARG 99 n 99 ARG 99 B ALA 100 n 100 ALA 100 B TRP 101 n 101 TRP 101 B PRO 102 n 102 PRO 102 B THR 103 n 103 THR 103 B PRO 104 n 104 PRO 104 B ASP 105 n 105 ASP 105 B GLY 106 n 106 GLY 106 B ARG 107 n 107 ARG 107 B HIS 108 n 108 HIS 108 B ILE 109 n 109 ILE 109 B ASP 110 n 110 ASP 110 B GLN 111 n 111 GLN 111 B ILE 112 n 112 ILE 112 B THR 113 n 113 THR 113 B THR 114 n 114 THR 114 B VAL 115 n 115 VAL 115 B LEU 116 n 116 LEU 116 B ASN 117 n 117 ASN 117 B GLN 118 n 118 GLN 118 B LEU 119 n 119 LEU 119 B LYS 120 n 120 LYS 120 B ASN 121 n 121 ASN 121 B ASP 122 n 122 ASP 122 B PRO 123 n 123 PRO 123 B ASP 124 n 124 ASP 124 B SER 125 n 125 SER 125 B GLU 126 n 126 GLU 126 B ARG 127 n 127 ARG 127 B ILE 128 n 128 ILE 128 B ILE 129 n 129 ILE 129 B VAL 130 n 130 VAL 130 B SER 131 n 131 SER 131 B ALA 132 n 132 ALA 132 B TRP 133 n 133 TRP 133 B ASN 134 n 134 ASN 134 B VAL 135 n 135 VAL 135 B GLY 136 n 136 GLY 136 B GLU 137 n 137 GLU 137 B LEU 138 n 138 LEU 138 B ASP 139 n 139 ASP 139 B LYS 140 n 140 LYS 140 B MET 141 n 141 MET 141 B ALA 142 n 142 ALA 142 B LEU 143 n 143 LEU 143 B ALA 144 n 144 ALA 144 B PRO 145 n 145 PRO 145 B CYS 146 n 146 CYS 146 B HIS 147 n 147 HIS 147 B ALA 148 n 148 ALA 148 B PHE 149 n 149 PHE 149 B PHE 150 n 150 PHE 150 B GLN 151 n 151 GLN 151 B PHE 152 n 152 PHE 152 B TYR 153 n 153 TYR 153 B VAL 154 n 154 VAL 154 B ALA 155 n 155 ALA 155 B ASP 156 n 156 ASP 156 B GLY 157 n 157 GLY 157 B LYS 158 n 158 LYS 158 B LEU 159 n 159 LEU 159 B SER 160 n 160 SER 160 B CYS 161 n 161 CYS 161 B GLN 162 n 162 GLN 162 B LEU 163 n 163 LEU 163 B TYR 164 n 164 TYR 164 B GLN 165 n 165 GLN 165 B ARG 166 n 166 ARG 166 B SER 167 n 167 SER 167 B CYS 168 n 168 CYS 168 B ASP 169 n 169 ASP 169 B VAL 170 n 170 VAL 170 B PHE 171 n 171 PHE 171 B LEU 172 n 172 LEU 172 B GLY 173 n 173 GLY 173 B LEU 174 n 174 LEU 174 B PRO 175 n 175 PRO 175 B PHE 176 n 176 PHE 176 B ASN 177 n 177 ASN 177 B ILE 178 n 178 ILE 178 B ALA 179 n 179 ALA 179 B SER 180 n 180 SER 180 B TYR 181 n 181 TYR 181 B ALA 182 n 182 ALA 182 B LEU 183 n 183 LEU 183 B LEU 184 n 184 LEU 184 B VAL 185 n 185 VAL 185 B HIS 186 n 186 HIS 186 B MET 187 n 187 MET 187 B MET 188 n 188 MET 188 B ALA 189 n 189 ALA 189 B GLN 190 n 190 GLN 190 B GLN 191 n 191 GLN 191 B CYS 192 n 192 CYS 192 B ASP 193 n 193 ASP 193 B LEU 194 n 194 LEU 194 B GLU 195 n 195 GLU 195 B VAL 196 n 196 VAL 196 B GLY 197 n 197 GLY 197 B ASP 198 n 198 ASP 198 B PHE 199 n 199 PHE 199 B VAL 200 n 200 VAL 200 B TRP 201 n 201 TRP 201 B THR 202 n 202 THR 202 B GLY 203 n 203 GLY 203 B GLY 204 n 204 GLY 204 B ASP 205 n 205 ASP 205 B THR 206 n 206 THR 206 B HIS 207 n 207 HIS 207 B LEU 208 n 208 LEU 208 B TYR 209 n 209 TYR 209 B SER 210 n 210 SER 210 B ASN 211 n 211 ASN 211 B HIS 212 n 212 HIS 212 B MET 213 n 213 MET 213 B ASP 214 n 214 ASP 214 B GLN 215 n 215 GLN 215 B THR 216 n 216 THR 216 B HIS 217 n 217 HIS 217 B LEU 218 n 218 LEU 218 B GLN 219 n 219 GLN 219 B LEU 220 n 220 LEU 220 B SER 221 n 221 SER 221 B ARG 222 n 222 ARG 222 B GLU 223 n 223 GLU 223 B PRO 224 n 224 PRO 224 B ARG 225 n 225 ARG 225 B PRO 226 n 226 PRO 226 B LEU 227 n 227 LEU 227 B PRO 228 n 228 PRO 228 B LYS 229 n 229 LYS 229 B LEU 230 n 230 LEU 230 B ILE 231 n 231 ILE 231 B ILE 232 n 232 ILE 232 B LYS 233 n 233 LYS 233 B ARG 234 n 234 ARG 234 B LYS 235 n 235 LYS 235 B PRO 236 n 236 PRO 236 B GLU 237 n 237 GLU 237 B SER 238 n 238 SER 238 B ILE 239 n 239 ILE 239 B PHE 240 n 240 PHE 240 B ASP 241 n 241 ASP 241 B TYR 242 n 242 TYR 242 B ARG 243 n 243 ARG 243 B PHE 244 n 244 PHE 244 B GLU 245 n 245 GLU 245 B ASP 246 n 246 ASP 246 B PHE 247 n 247 PHE 247 B GLU 248 n 248 GLU 248 B ILE 249 n 249 ILE 249 B GLU 250 n 250 GLU 250 B GLY 251 n 251 GLY 251 B TYR 252 n 252 TYR 252 B ASP 253 n 253 ASP 253 B PRO 254 n 254 PRO 254 B HIS 255 n 255 HIS 255 B PRO 256 n 256 PRO 256 B GLY 257 n 257 GLY 257 B ILE 258 n 258 ILE 258 B LYS 259 n 259 LYS 259 B ALA 260 n 260 ALA 260 B PRO 261 n 261 PRO 261 B VAL 262 n 262 VAL 262 B ALA 263 n 263 ALA 263 B ILE 264 n 264 ILE 264 B author_and_software_defined_assembly PISA 2 dimeric 7660 -24 19130 A CXM 1 N-CARBOXYMETHIONINE A CXM 1 MET B CXM 1 N-CARBOXYMETHIONINE B CXM 1 MET 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 THR 16 A O THR 16 A N SER 28 A N SER 28 A O LEU 27 A O LEU 27 A N LEU 208 A N LEU 208 A O ASP 205 A O ASP 205 A N CYS 168 A N CYS 168 A O HIS 32 A O HIS 32 A N GLY 203 A N GLY 203 A O VAL 200 A O VAL 200 A N CYS 161 A N CYS 161 A O LYS 158 A O LYS 158 A N ALA 155 A N ALA 155 A O PHE 150 A O PHE 150 A N VAL 130 A N VAL 130 A O LYS 229 A O LYS 229 A N GLU 250 A N GLU 250 B O THR 16 B O THR 16 B N SER 28 B N SER 28 B O LEU 27 B O LEU 27 B N LEU 208 B N LEU 208 B O ASP 205 B O ASP 205 B N CYS 168 B N CYS 168 B O HIS 32 B O HIS 32 B N GLY 203 B N GLY 203 B O VAL 200 B O VAL 200 B N CYS 161 B N CYS 161 B O LYS 158 B O LYS 158 B N ALA 155 B N ALA 155 B O PHE 150 B O PHE 150 B N VAL 130 B N VAL 130 B O LYS 229 B O LYS 229 B N GLU 250 B N GLU 250 1 3.39 0.50 120.30 123.69 B B B NE CZ NH2 ARG ARG ARG 243 243 243 N 1 A VAL 93 -84.23 -159.07 1 A ASP 122 -155.75 50.33 1 B TYR 94 -26.48 -60.20 1 B ALA 100 -149.68 59.66 1 B ASP 122 -152.64 62.57 1 B PRO 228 -68.40 -168.56 0.1630000 2.2 20. 29307 90. 1 TNT BCORREL 2.0 MOLECULAR TNT PROTGEO 143.2 0.657 2.2 20. 176 4588 110 0 4302 0.009 4539 0.8 1.009 6124 1.300 18.785 2564 0.000 0 0.006 126 2.00 0.013 638 5.000 0.022 43 10.00 2.2 20. 1AIQ 33337 2. 0.0520000 1 3.5 92. 2.2 2.5 2.2 0.2200000 1 75. phasing AMoRE refinement TNT 5E data reduction PROCOR data scaling FBSCALE CRYSTAL STRUCTURE OF THYMIDYLATE SYNTHASE R126E MUTANT 1 N N 1 N N 2 N N 3 N N 2 N N 3 N N 4 N N 4 N N A LYS 2 A LYS 2 HELX_P A GLU 14 A GLU 14 1 1 13 A LEU 52 A LEU 52 HELX_P A GLN 64 A GLN 64 1 2 13 A ALA 70 A ALA 70 HELX_P A GLU 74 A GLU 74 1 3 5 A ASP 81 A ASP 81 HELX_P A TRP 83 A TRP 83 5 4 3 A TYR 94 A TYR 94 HELX_P A ALA 100 A ALA 100 1 5 7 A GLN 111 A GLN 111 HELX_P A ASN 121 A ASN 121 1 6 11 A LEU 138 A LEU 138 HELX_P A LYS 140 A LYS 140 5 7 3 A LEU 174 A LEU 174 HELX_P A GLN 191 A GLN 191 1 8 18 A SER 210 A SER 210 HELX_P A SER 221 A SER 221 5 9 12 A PHE 244 A PHE 244 HELX_P A ASP 246 A ASP 246 5 10 3 B LYS 2 B LYS 2 HELX_P B GLU 14 B GLU 14 1 11 13 B LEU 38 B LEU 38 HELX_P B ASP 40 B ASP 40 5 12 3 B LEU 52 B LEU 52 HELX_P B GLN 64 B GLN 64 1 13 13 B ILE 69 B ILE 69 HELX_P B GLU 74 B GLU 74 5 14 6 B ASP 81 B ASP 81 HELX_P B TRP 83 B TRP 83 5 15 3 B TYR 94 B TYR 94 HELX_P B ALA 100 B ALA 100 1 16 7 B GLN 111 B GLN 111 HELX_P B ASN 121 B ASN 121 1 17 11 B VAL 135 B VAL 135 HELX_P B LYS 140 B LYS 140 5 18 6 B LEU 174 B LEU 174 HELX_P B GLN 191 B GLN 191 1 19 18 B SER 210 B SER 210 HELX_P B SER 221 B SER 221 5 20 12 B PHE 244 B PHE 244 HELX_P B ASP 246 B ASP 246 5 21 3 covale 1.321 both A CXM 1 A C CXM 1 1_555 A LYS 2 A N LYS 2 1_555 covale 2.014 none A CYS 146 A SG CYS 146 1_555 A UMP 265 C C6 UMP 1_555 covale 1.333 both B CXM 1 B C CXM 1 1_555 B LYS 2 B N LYS 2 1_555 TRANSFERASE TRANSFERASE, METHYLTRANSFERASE TYSY_ECOLI UNP 1 1 P0A884 MKQYLELMQKVLDEGTQKNDRTGTGTLSIFGHQMRFNLQDGFPLVTTKRCHLRSIIHELLWFLQGDTNIAYLHENNVTIW DEWADENGDLGPVYGKQWRAWPTPDGRHIDQITTVLNQLKNDPDSRRIIVSAWNVGELDKMALAPCHAFFQFYVADGKLS CQLYQRSCDVFLGLPFNIASYALLVHMMAQQCDLEVGDFVWTGGDTHLYSNHMDQTHLQLSREPRPLPKLIIKRKPESIF DYRFEDFEIEGYDPHPGIKAPVAI 2 264 1AIQ 2 264 P0A884 A 1 2 264 2 264 1AIQ 2 264 P0A884 B 1 2 264 1 ARG engineered mutation GLU 126 1AIQ A P0A884 UNP 126 126 2 ARG engineered mutation GLU 126 1AIQ B P0A884 UNP 126 126 4 5 2 4 5 2 anti-parallel anti-parallel parallel anti-parallel parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel parallel anti-parallel parallel anti-parallel anti-parallel anti-parallel A THR 16 A THR 16 A LYS 18 A LYS 18 A THR 26 A THR 26 A PHE 30 A PHE 30 A ASP 205 A ASP 205 A TYR 209 A TYR 209 A SER 167 A SER 167 A ASP 169 A ASP 169 A HIS 32 A HIS 32 A ASN 37 A ASN 37 A ASP 198 A ASP 198 A GLY 203 A GLY 203 A LYS 158 A LYS 158 A GLN 165 A GLN 165 A HIS 147 A HIS 147 A ALA 155 A ALA 155 A ILE 129 A ILE 129 A SER 131 A SER 131 A LYS 229 A LYS 229 A ILE 232 A ILE 232 A PHE 247 A PHE 247 A GLU 250 A GLU 250 B THR 16 B THR 16 B LYS 18 B LYS 18 B THR 26 B THR 26 B PHE 30 B PHE 30 B ASP 205 B ASP 205 B TYR 209 B TYR 209 B SER 167 B SER 167 B ASP 169 B ASP 169 B HIS 32 B HIS 32 B ASN 37 B ASN 37 B ASP 198 B ASP 198 B GLY 203 B GLY 203 B LYS 158 B LYS 158 B GLN 165 B GLN 165 B HIS 147 B HIS 147 B ALA 155 B ALA 155 B ILE 128 B ILE 128 B SER 131 B SER 131 B LYS 229 B LYS 229 B ILE 232 B ILE 232 B PHE 247 B PHE 247 B GLU 250 B GLU 250 BINDING SITE FOR RESIDUE UMP A 265 A UMP 265 Software 16 BINDING SITE FOR RESIDUE CB3 A 266 A CB3 266 Software 17 BINDING SITE FOR RESIDUE UMP B 266 B UMP 266 Software 14 BINDING SITE FOR RESIDUE CB3 B 267 B CB3 267 Software 16 A ARG 21 A ARG 21 16 1_555 A CYS 146 A CYS 146 16 1_555 A HIS 147 A HIS 147 16 1_555 A GLN 165 A GLN 165 16 1_555 A ARG 166 A ARG 166 16 1_555 A SER 167 A SER 167 16 1_555 A CYS 168 A CYS 168 16 1_555 A ASP 169 A ASP 169 16 1_555 A ASN 177 A ASN 177 16 1_555 A HIS 207 A HIS 207 16 1_555 A TYR 209 A TYR 209 16 1_555 A CB3 266 D CB3 16 1_555 A HOH 273 G HOH 16 1_555 A HOH 426 G HOH 16 1_555 A HOH 441 G HOH 16 1_555 B GLU 126 B GLU 126 16 1_555 A HIS 51 A HIS 51 17 1_555 A SER 54 A SER 54 17 1_555 A GLU 58 A GLU 58 17 1_555 A ILE 79 A ILE 79 17 1_555 A TRP 80 A TRP 80 17 1_555 A TRP 83 A TRP 83 17 1_555 A ASP 169 A ASP 169 17 1_555 A GLY 173 A GLY 173 17 1_555 A PHE 176 A PHE 176 17 1_555 A ASN 177 A ASN 177 17 1_555 A TYR 209 A TYR 209 17 1_555 A VAL 262 A VAL 262 17 1_555 A ALA 263 A ALA 263 17 1_555 A UMP 265 C UMP 17 1_555 A HOH 274 G HOH 17 1_555 A HOH 383 G HOH 17 1_555 A HOH 384 G HOH 17 1_555 A GLU 126 A GLU 126 14 1_555 B ARG 21 B ARG 21 14 1_555 B CYS 146 B CYS 146 14 1_555 B HIS 147 B HIS 147 14 1_555 B GLN 165 B GLN 165 14 1_555 B ARG 166 B ARG 166 14 1_555 B SER 167 B SER 167 14 1_555 B CYS 168 B CYS 168 14 1_555 B ASP 169 B ASP 169 14 1_555 B ASN 177 B ASN 177 14 1_555 B HIS 207 B HIS 207 14 1_555 B TYR 209 B TYR 209 14 1_555 B CB3 267 F CB3 14 1_555 B HOH 380 H HOH 14 1_555 B HIS 51 B HIS 51 16 1_555 B SER 54 B SER 54 16 1_555 B GLU 58 B GLU 58 16 1_555 B ILE 79 B ILE 79 16 1_555 B TRP 80 B TRP 80 16 1_555 B TRP 83 B TRP 83 16 1_555 B ASP 169 B ASP 169 16 1_555 B GLY 173 B GLY 173 16 1_555 B ASN 177 B ASN 177 16 1_555 B TYR 209 B TYR 209 16 1_555 B ALA 263 B ALA 263 16 1_555 B UMP 266 E UMP 16 1_555 B HOH 269 H HOH 16 1_555 B HOH 339 H HOH 16 1_555 B HOH 381 H HOH 16 1_555 B HOH 382 H HOH 16 1_555 173 P 63