0.011705 0.006758 0.000000 0.000000 0.013516 0.000000 0.000000 0.000000 0.012762 0.00000 0.00000 0.00000 Cody, V. Luft, J.R. Pangborn, W. Gangjee, A. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 9 90.00 90.00 120.00 85.431 85.431 78.357 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 C19 H24 N6 O3 384.432 2,4-DIAMINO-5-METHYL-6-[(3,4,5-TRIMETHOXY-N-METHYLANILINO)METHYL]PYRIDO[2,3-D]PYRIMIDINE 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 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 O4 S -2 96.063 SULFATE ION non-polymer 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 Y 75 N C Y 76 N N Y 77 N C N 78 N N Y 79 N C Y 80 N C Y 81 N C Y 82 N C Y 83 N N Y 84 N C Y 85 N N N 86 N C N 87 R N Y 88 N C Y 89 N C Y 90 N C N 91 N O N 92 N C Y 93 N C N 94 N O N 95 N C Y 96 N C N 97 N O N 98 N C Y 99 N C N 100 N C N 101 N C 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 N N 127 R C N 128 N C N 129 N O N 130 N C N 131 N S N 132 N O N 133 N H N 134 N H N 135 N H N 136 N H N 137 N H N 138 N H N 139 N H N 140 N N N 141 S C N 142 N C N 143 N O N 144 N C N 145 N C N 146 N C N 147 N O N 148 N N 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 H N 159 N H N 160 N N N 161 S C N 162 N C N 163 N O N 164 N C N 165 N C N 166 N C N 167 N O N 168 N O 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 N N 180 N C N 181 N C N 182 N O N 183 N O 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 S C N 191 N C N 192 N O N 193 N C Y 194 N C Y 195 N N Y 196 N C Y 197 N C Y 198 N N N 199 N O N 200 N H N 201 N H N 202 N H N 203 N H N 204 N H N 205 N H N 206 N H N 207 N H N 208 N H N 209 N H N 210 N O N 211 N H N 212 N H N 213 N N N 214 S C N 215 N C N 216 N O N 217 S C N 218 N C N 219 N C N 220 N C N 221 N O N 222 N H N 223 N H N 224 N H N 225 N H N 226 N H N 227 N H N 228 N H N 229 N H N 230 N H N 231 N H N 232 N H N 233 N H N 234 N H N 235 N N N 236 S C N 237 N C N 238 N O N 239 N C N 240 N C N 241 N C N 242 N C N 243 N O 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 H N 253 N H N 254 N H N 255 N H N 256 N H N 257 N N N 258 S C N 259 N C N 260 N O N 261 N C N 262 N C N 263 N C N 264 N C N 265 N N N 266 N O 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 H N 278 N H N 279 N H N 280 N H N 281 N H N 282 N N N 283 S C N 284 N C N 285 N O N 286 N C N 287 N C N 288 N S N 289 N C N 290 N O 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 H N 298 N H N 299 N H N 300 N H N 301 N H N 302 N N N 303 S C N 304 N C N 305 N O N 306 N C Y 307 N C Y 308 N C Y 309 N C Y 310 N C Y 311 N C Y 312 N C N 313 N O N 314 N H N 315 N H N 316 N H N 317 N H N 318 N H N 319 N H N 320 N H N 321 N H N 322 N H N 323 N H N 324 N H N 325 N N N 326 S C N 327 N C N 328 N O N 329 N C N 330 N C N 331 N C N 332 N O N 333 N H N 334 N H N 335 N H 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 N N 343 S C N 344 N C N 345 N O N 346 N C N 347 N O N 348 N O N 349 N H N 350 N H N 351 N H N 352 N H N 353 N H N 354 N H N 355 N H N 356 N S N 357 N O N 358 N O N 359 N O N 360 N O N 361 N N N 362 S C N 363 N C N 364 N O N 365 R C N 366 N O N 367 N C N 368 N O N 369 N H N 370 N H N 371 N H N 372 N H N 373 N H N 374 N H N 375 N H N 376 N H N 377 N H N 378 N N N 379 S C N 380 N C N 381 N O N 382 N C Y 383 N C Y 384 N C Y 385 N C Y 386 N N Y 387 N C Y 388 N C Y 389 N C Y 390 N C Y 391 N C N 392 N O N 393 N H 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 405 N N N 406 S C N 407 N C N 408 N O N 409 N C Y 410 N C Y 411 N C Y 412 N C Y 413 N C Y 414 N C Y 415 N C N 416 N O N 417 N O N 418 N H N 419 N H N 420 N H N 421 N H N 422 N H N 423 N H N 424 N H N 425 N H N 426 N H N 427 N H N 428 N H N 429 N N N 430 S C N 431 N C N 432 N O N 433 N C N 434 N C N 435 N C N 436 N O N 437 N H N 438 N H N 439 N H N 440 N H N 441 N H N 442 N H N 443 N H N 444 N H N 445 N H N 446 N H N 447 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 Y 73 N doub Y 74 N sing Y 75 N sing N 76 N sing Y 77 N doub N 78 N sing N 79 N sing Y 80 N sing Y 81 N sing Y 82 N doub N 83 N sing Y 84 N sing N 85 N sing Y 86 N doub N 87 N sing Y 88 N sing Y 89 N doub N 90 N sing N 91 N sing N 92 N sing N 93 N sing N 94 N sing Y 95 N doub Y 96 N sing Y 97 N sing N 98 N sing N 99 N sing Y 100 N doub N 101 N sing N 102 N sing N 103 N sing N 104 N sing N 105 N sing Y 106 N sing N 107 N sing N 108 N sing N 109 N sing N 110 N sing N 111 N sing Y 112 N doub N 113 N sing N 114 N sing 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 sing 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 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 sing N 140 N sing N 141 N sing N 142 N sing N 143 N doub 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 doub 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 sing N 159 N sing N 160 N sing N 161 N sing N 162 N doub 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 doub 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 sing N 180 N doub 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 Y 194 N sing Y 195 N doub Y 196 N doub N 197 N sing Y 198 N sing N 199 N sing Y 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 doub 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 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 doub 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 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 doub 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 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 doub 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 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 sing N 297 N doub N 298 N sing N 299 N sing N 300 N sing N 301 N sing Y 302 N doub Y 303 N sing Y 304 N sing N 305 N sing Y 306 N doub N 307 N sing Y 308 N doub N 309 N sing Y 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 doub 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 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 doub N 338 N sing N 339 N sing N 340 N sing N 341 N sing N 342 N sing N 343 N sing N 344 N doub N 345 N doub 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 N 359 N sing N 360 N sing N 361 N sing N 362 N sing N 363 N sing N 364 N sing N 365 N sing N 366 N sing N 367 N sing N 368 N sing N 369 N sing N 370 N doub N 371 N sing N 372 N sing N 373 N sing N 374 N sing Y 375 N doub Y 376 N sing Y 377 N sing N 378 N sing Y 379 N doub Y 380 N sing Y 381 N sing N 382 N sing Y 383 N sing Y 384 N doub N 385 N sing Y 386 N doub N 387 N sing Y 388 N sing N 389 N sing N 390 N sing N 391 N sing N 392 N sing N 393 N sing N 394 N sing N 395 N sing N 396 N sing N 397 N sing N 398 N doub N 399 N sing N 400 N sing N 401 N sing N 402 N sing Y 403 N doub Y 404 N sing Y 405 N sing N 406 N sing Y 407 N doub N 408 N sing Y 409 N doub N 410 N sing Y 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 sing N 422 N doub N 423 N sing N 424 N sing N 425 N sing N 426 N sing N 427 N sing N 428 N sing N 429 N sing N 430 N sing N 431 N sing N 432 N sing N 433 N sing DK Acta Crystallogr.,Sect.D ABCRE6 0766 0907-4449 59 1603 1609 10.1107/S0907444903014963 12925791 Analysis of three crystal structure determinations of a 5-methyl-6-N-methylanilino pyridopyrimidine antifolate complex with human dihydrofolate reductase. 2003 10.2210/pdb1pd9/pdb pdb_00001pd9 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 298 1 mirrors IMAGE PLATE 1997-04-10 RIGAKU RAXIS IIC graphite SINGLE WAVELENGTH M x-ray 1 1.5418 1.0 1.5418 ROTATING ANODE RIGAKU 21349.525 Dihydrofolate reductase 1.5.1.3 1 man polymer 96.063 SULFATE ION 2 syn non-polymer 384.432 2,4-DIAMINO-5-METHYL-6-[(3,4,5-TRIMETHOXY-N-METHYLANILINO)METHYL]PYRIDO[2,3-D]PYRIMIDINE 1 syn non-polymer 18.015 water 69 nat water no no VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELK EPPQGAHFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEIDLEKYKLLP EYPGVLSDVQEEKGIKYKFEVYEKND VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELK EPPQGAHFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEIDLEKYKLLP EYPGVLSDVQEEKGIKYKFEVYEKND 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 n n n n n n n n n n n n n n n n n n n n n n n n n human Homo Escherichia sample DHFR 9606 Homo sapiens 562 Escherichia coli 1 2.58 52.25 VAPOR DIFFUSION, HANGING DROP 8.0 Ammonium sulfate, 0.1 M phosphate, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K 298 chem_comp_atom chem_comp_bond database_2 pdbx_initial_refinement_model struct_site repository Initial release Version format compliance Version format compliance Data collection Database references Derived calculations Refinement description 1 0 2003-12-09 1 1 2008-04-29 1 2 2011-07-13 1 3 2023-08-16 _database_2.pdbx_DOI _database_2.pdbx_database_accession _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id RCSB Y RCSB 2003-05-19 REL REL SO4 SULFATE ION CO4 2,4-DIAMINO-5-METHYL-6-[(3,4,5-TRIMETHOXY-N-METHYLANILINO)METHYL]PYRIDO[2,3-D]PYRIMIDINE HOH water 1HFP PDB ENTRY 1HFP PDB experimental model SUL 188 2 SO4 SO4 188 A SUL 189 2 SO4 SO4 189 A COE 187 3 CO4 CO4 187 A WAT 190 4 HOH HOH 190 A WAT 191 4 HOH HOH 191 A WAT 192 4 HOH HOH 192 A WAT 193 4 HOH HOH 193 A WAT 194 4 HOH HOH 194 A WAT 195 4 HOH HOH 195 A WAT 196 4 HOH HOH 196 A WAT 197 4 HOH HOH 197 A WAT 198 4 HOH HOH 198 A WAT 199 4 HOH HOH 199 A WAT 200 4 HOH HOH 200 A WAT 201 4 HOH HOH 201 A WAT 202 4 HOH HOH 202 A WAT 203 4 HOH HOH 203 A WAT 204 4 HOH HOH 204 A WAT 205 4 HOH HOH 205 A WAT 206 4 HOH HOH 206 A WAT 207 4 HOH HOH 207 A WAT 208 4 HOH HOH 208 A WAT 209 4 HOH HOH 209 A WAT 210 4 HOH HOH 210 A WAT 211 4 HOH HOH 211 A WAT 212 4 HOH HOH 212 A WAT 213 4 HOH HOH 213 A WAT 214 4 HOH HOH 214 A WAT 215 4 HOH HOH 215 A WAT 216 4 HOH HOH 216 A WAT 217 4 HOH HOH 217 A WAT 218 4 HOH HOH 218 A WAT 219 4 HOH HOH 219 A WAT 220 4 HOH HOH 220 A WAT 221 4 HOH HOH 221 A WAT 222 4 HOH HOH 222 A WAT 223 4 HOH HOH 223 A WAT 224 4 HOH HOH 224 A WAT 225 4 HOH HOH 225 A WAT 226 4 HOH HOH 226 A WAT 227 4 HOH HOH 227 A WAT 228 4 HOH HOH 228 A WAT 229 4 HOH HOH 229 A WAT 230 4 HOH HOH 230 A WAT 231 4 HOH HOH 231 A WAT 232 4 HOH HOH 232 A WAT 233 4 HOH HOH 233 A WAT 234 4 HOH HOH 234 A WAT 235 4 HOH HOH 235 A WAT 236 4 HOH HOH 236 A WAT 237 4 HOH HOH 237 A WAT 238 4 HOH HOH 238 A WAT 239 4 HOH HOH 239 A WAT 240 4 HOH HOH 240 A WAT 241 4 HOH HOH 241 A WAT 242 4 HOH HOH 242 A WAT 243 4 HOH HOH 243 A WAT 244 4 HOH HOH 244 A WAT 245 4 HOH HOH 245 A WAT 246 4 HOH HOH 246 A WAT 247 4 HOH HOH 247 A WAT 248 4 HOH HOH 248 A WAT 249 4 HOH HOH 249 A WAT 250 4 HOH HOH 250 A WAT 251 4 HOH HOH 251 A WAT 252 4 HOH HOH 252 A WAT 253 4 HOH HOH 253 A WAT 254 4 HOH HOH 254 A WAT 255 4 HOH HOH 255 A WAT 256 4 HOH HOH 256 A WAT 257 4 HOH HOH 257 A WAT 258 4 HOH HOH 258 A VAL 1 n 1 VAL 1 A GLY 2 n 2 GLY 2 A SER 3 n 3 SER 3 A LEU 4 n 4 LEU 4 A ASN 5 n 5 ASN 5 A CYS 6 n 6 CYS 6 A ILE 7 n 7 ILE 7 A VAL 8 n 8 VAL 8 A ALA 9 n 9 ALA 9 A VAL 10 n 10 VAL 10 A SER 11 n 11 SER 11 A GLN 12 n 12 GLN 12 A ASN 13 n 13 ASN 13 A MET 14 n 14 MET 14 A GLY 15 n 15 GLY 15 A ILE 16 n 16 ILE 16 A GLY 17 n 17 GLY 17 A LYS 18 n 18 LYS 18 A ASN 19 n 19 ASN 19 A GLY 20 n 20 GLY 20 A ASP 21 n 21 ASP 21 A LEU 22 n 22 LEU 22 A PRO 23 n 23 PRO 23 A TRP 24 n 24 TRP 24 A PRO 25 n 25 PRO 25 A PRO 26 n 26 PRO 26 A LEU 27 n 27 LEU 27 A ARG 28 n 28 ARG 28 A ASN 29 n 29 ASN 29 A GLU 30 n 30 GLU 30 A PHE 31 n 31 PHE 31 A ARG 32 n 32 ARG 32 A TYR 33 n 33 TYR 33 A PHE 34 n 34 PHE 34 A GLN 35 n 35 GLN 35 A ARG 36 n 36 ARG 36 A MET 37 n 37 MET 37 A THR 38 n 38 THR 38 A THR 39 n 39 THR 39 A THR 40 n 40 THR 40 A SER 41 n 41 SER 41 A SER 42 n 42 SER 42 A VAL 43 n 43 VAL 43 A GLU 44 n 44 GLU 44 A GLY 45 n 45 GLY 45 A LYS 46 n 46 LYS 46 A GLN 47 n 47 GLN 47 A ASN 48 n 48 ASN 48 A LEU 49 n 49 LEU 49 A VAL 50 n 50 VAL 50 A ILE 51 n 51 ILE 51 A MET 52 n 52 MET 52 A GLY 53 n 53 GLY 53 A LYS 54 n 54 LYS 54 A LYS 55 n 55 LYS 55 A THR 56 n 56 THR 56 A TRP 57 n 57 TRP 57 A PHE 58 n 58 PHE 58 A SER 59 n 59 SER 59 A ILE 60 n 60 ILE 60 A PRO 61 n 61 PRO 61 A GLU 62 n 62 GLU 62 A LYS 63 n 63 LYS 63 A ASN 64 n 64 ASN 64 A ARG 65 n 65 ARG 65 A PRO 66 n 66 PRO 66 A LEU 67 n 67 LEU 67 A LYS 68 n 68 LYS 68 A GLY 69 n 69 GLY 69 A ARG 70 n 70 ARG 70 A ILE 71 n 71 ILE 71 A ASN 72 n 72 ASN 72 A LEU 73 n 73 LEU 73 A VAL 74 n 74 VAL 74 A LEU 75 n 75 LEU 75 A SER 76 n 76 SER 76 A ARG 77 n 77 ARG 77 A GLU 78 n 78 GLU 78 A LEU 79 n 79 LEU 79 A LYS 80 n 80 LYS 80 A GLU 81 n 81 GLU 81 A PRO 82 n 82 PRO 82 A PRO 83 n 83 PRO 83 A GLN 84 n 84 GLN 84 A GLY 85 n 85 GLY 85 A ALA 86 n 86 ALA 86 A HIS 87 n 87 HIS 87 A PHE 88 n 88 PHE 88 A LEU 89 n 89 LEU 89 A SER 90 n 90 SER 90 A ARG 91 n 91 ARG 91 A SER 92 n 92 SER 92 A LEU 93 n 93 LEU 93 A ASP 94 n 94 ASP 94 A ASP 95 n 95 ASP 95 A ALA 96 n 96 ALA 96 A LEU 97 n 97 LEU 97 A LYS 98 n 98 LYS 98 A LEU 99 n 99 LEU 99 A THR 100 n 100 THR 100 A GLU 101 n 101 GLU 101 A GLN 102 n 102 GLN 102 A PRO 103 n 103 PRO 103 A GLU 104 n 104 GLU 104 A LEU 105 n 105 LEU 105 A ALA 106 n 106 ALA 106 A ASN 107 n 107 ASN 107 A LYS 108 n 108 LYS 108 A VAL 109 n 109 VAL 109 A ASP 110 n 110 ASP 110 A MET 111 n 111 MET 111 A VAL 112 n 112 VAL 112 A TRP 113 n 113 TRP 113 A ILE 114 n 114 ILE 114 A VAL 115 n 115 VAL 115 A GLY 116 n 116 GLY 116 A GLY 117 n 117 GLY 117 A SER 118 n 118 SER 118 A SER 119 n 119 SER 119 A VAL 120 n 120 VAL 120 A TYR 121 n 121 TYR 121 A LYS 122 n 122 LYS 122 A GLU 123 n 123 GLU 123 A ALA 124 n 124 ALA 124 A MET 125 n 125 MET 125 A ASN 126 n 126 ASN 126 A HIS 127 n 127 HIS 127 A PRO 128 n 128 PRO 128 A GLY 129 n 129 GLY 129 A HIS 130 n 130 HIS 130 A LEU 131 n 131 LEU 131 A LYS 132 n 132 LYS 132 A LEU 133 n 133 LEU 133 A PHE 134 n 134 PHE 134 A VAL 135 n 135 VAL 135 A THR 136 n 136 THR 136 A ARG 137 n 137 ARG 137 A ILE 138 n 138 ILE 138 A MET 139 n 139 MET 139 A GLN 140 n 140 GLN 140 A ASP 141 n 141 ASP 141 A PHE 142 n 142 PHE 142 A GLU 143 n 143 GLU 143 A SER 144 n 144 SER 144 A ASP 145 n 145 ASP 145 A THR 146 n 146 THR 146 A PHE 147 n 147 PHE 147 A PHE 148 n 148 PHE 148 A PRO 149 n 149 PRO 149 A GLU 150 n 150 GLU 150 A ILE 151 n 151 ILE 151 A ASP 152 n 152 ASP 152 A LEU 153 n 153 LEU 153 A GLU 154 n 154 GLU 154 A LYS 155 n 155 LYS 155 A TYR 156 n 156 TYR 156 A LYS 157 n 157 LYS 157 A LEU 158 n 158 LEU 158 A LEU 159 n 159 LEU 159 A PRO 160 n 160 PRO 160 A GLU 161 n 161 GLU 161 A TYR 162 n 162 TYR 162 A PRO 163 n 163 PRO 163 A GLY 164 n 164 GLY 164 A VAL 165 n 165 VAL 165 A LEU 166 n 166 LEU 166 A SER 167 n 167 SER 167 A ASP 168 n 168 ASP 168 A VAL 169 n 169 VAL 169 A GLN 170 n 170 GLN 170 A GLU 171 n 171 GLU 171 A GLU 172 n 172 GLU 172 A LYS 173 n 173 LYS 173 A GLY 174 n 174 GLY 174 A ILE 175 n 175 ILE 175 A LYS 176 n 176 LYS 176 A TYR 177 n 177 TYR 177 A LYS 178 n 178 LYS 178 A PHE 179 n 179 PHE 179 A GLU 180 n 180 GLU 180 A VAL 181 n 181 VAL 181 A TYR 182 n 182 TYR 182 A GLU 183 n 183 GLU 183 A LYS 184 n 184 LYS 184 A ASN 185 n 185 ASN 185 A ASP 186 n 186 ASP 186 A author_defined_assembly 1 monomeric 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 PHE 88 A O PHE 88 A N VAL 74 A N VAL 74 A O ILE 71 A O ILE 71 A N VAL 50 A N VAL 50 A N LEU 49 A N LEU 49 A O TRP 113 A O TRP 113 A O VAL 112 A O VAL 112 A N ASN 5 A N ASN 5 A N VAL 10 A N VAL 10 A O ILE 138 A O ILE 138 A N LEU 131 A N LEU 131 A O LYS 184 A O LYS 184 A O GLU 183 A O GLU 183 A N LYS 157 A N LYS 157 A O PHE 88 A O PHE 88 A N VAL 74 A N VAL 74 A O ILE 71 A O ILE 71 A N VAL 50 A N VAL 50 A N LEU 49 A N LEU 49 A O TRP 113 A O TRP 113 A O VAL 112 A O VAL 112 A N ASN 5 A N ASN 5 A N VAL 10 A N VAL 10 A O ILE 138 A O ILE 138 A N LEU 131 A N LEU 131 A O LYS 184 A O LYS 184 A O TYR 177 A O TYR 177 A N GLN 170 A N GLN 170 A N GLY 17 A N GLY 17 A O THR 146 A O THR 146 1 A N9' CO4 187 PLANAR 1 A A O O HOH HOH 240 257 1.70 1 A A O O HOH HOH 249 256 1.70 1 A A O O ASN HOH 19 257 1.80 1 A A OG O SER HOH 119 251 2.04 1 A A OE1 O GLU HOH 78 256 2.09 1 A A ND1 O HIS LYS 130 184 2.11 1 A A O NH1 LEU ARG 79 91 2.12 1 A A O O LEU HOH 75 244 2.14 1 A A OG OD1 SER ASP 42 110 2.18 1 -7.84 1.10 119.40 111.56 A A A NH1 CZ NH2 ARG ARG ARG 28 28 28 N 1 9.65 0.50 120.30 129.95 A A A NE CZ NH2 ARG ARG ARG 28 28 28 N 1 -5.94 0.60 121.00 115.06 A A A CB CG CD2 TYR TYR TYR 33 33 33 N 1 6.85 0.60 121.00 127.85 A A A CB CG CD1 TYR TYR TYR 33 33 33 N 1 -10.24 1.60 110.90 100.66 A A A CG1 CB CG2 VAL VAL VAL 50 50 50 N 1 3.36 0.50 120.30 123.66 A A A NE CZ NH1 ARG ARG ARG 65 65 65 N 1 9.52 1.40 123.60 133.12 A A A CD NE CZ ARG ARG ARG 70 70 70 N 1 7.75 1.10 119.40 127.15 A A A NH1 CZ NH2 ARG ARG ARG 70 70 70 N 1 -6.30 0.50 120.30 114.00 A A A NE CZ NH2 ARG ARG ARG 70 70 70 N 1 16.51 2.20 113.40 129.91 A A A CA CB CG ARG ARG ARG 77 77 77 N 1 3.23 0.50 120.30 123.53 A A A NE CZ NH1 ARG ARG ARG 77 77 77 N 1 13.27 2.20 113.40 126.67 A A A CA CB CG LYS LYS LYS 80 80 80 N 1 12.54 2.00 118.30 130.84 A A A CG CD OE1 GLU GLU GLU 81 81 81 N 1 6.74 1.00 109.00 115.74 A A A CG ND1 CE1 HIS HIS HIS 87 87 87 N 1 -7.06 1.10 108.50 101.44 A A A ND1 CE1 NE2 HIS HIS HIS 87 87 87 N 1 4.94 0.70 109.00 113.94 A A A CE1 NE2 CD2 HIS HIS HIS 87 87 87 N 1 11.22 1.60 122.70 133.92 A A A O C N PHE PHE LEU 88 88 89 Y 1 32.06 1.40 123.60 155.66 A A A CD NE CZ ARG ARG ARG 91 91 91 N 1 8.14 0.90 118.30 126.44 A A A CB CG OD2 ASP ASP ASP 95 95 95 N 1 21.69 2.30 115.30 136.99 A A A CA CB CG LEU LEU LEU 99 99 99 N 1 -13.98 2.00 110.40 96.42 A A A CB CA C GLU GLU GLU 101 101 101 N 1 8.08 1.20 123.30 131.38 A A A OE1 CD OE2 GLU GLU GLU 101 101 101 N 1 10.39 0.90 118.30 128.69 A A A CB CG OD1 ASP ASP ASP 110 110 110 N 1 12.51 1.60 110.90 123.41 A A A CG1 CB CG2 VAL VAL VAL 112 112 112 N 1 9.24 1.50 110.90 120.14 A A A CA CB CG2 VAL VAL VAL 115 115 115 N 1 23.80 2.70 114.20 138.00 A A A CB CG CD GLU GLU GLU 123 123 123 N 1 15.98 2.50 121.70 137.68 A A A C N CA ALA MET MET 124 125 125 Y 1 -15.48 2.30 111.70 96.22 A A A CD CE NZ LYS LYS LYS 132 132 132 N 1 13.99 1.90 110.30 124.29 A A A N CA CB THR THR THR 136 136 136 N 1 4.39 0.50 120.30 124.69 A A A NE CZ NH2 ARG ARG ARG 137 137 137 N 1 12.64 1.70 113.30 125.94 A A A CA CB CG MET MET MET 139 139 139 N 1 13.95 1.80 110.60 124.55 A A A N CA CB GLN GLN GLN 140 140 140 N 1 7.72 0.90 118.30 126.02 A A A CB CG OD1 ASP ASP ASP 145 145 145 N 1 -6.27 0.60 121.00 114.73 A A A CB CG CD1 TYR TYR TYR 162 162 162 N 1 5.32 0.60 121.00 126.32 A A A CB CG CD2 TYR TYR TYR 177 177 177 N 1 A A O O HOH HOH 238 255 1.56 1_555 6_555 1 A GLU 104 -52.56 -79.11 1 A ASP 110 -94.25 -91.68 1 A ASN 185 -171.61 92.01 23.87 0.213 0.179 0.213 2.2 8.0 10667 10667 8857 90.8 1 isotropic 2.0 1.0 MOLECULAR REPLACEMENT PDB ENTRY 1HFP 2.2 8.0 69 1609 38 0 1502 0.025 0.053 0.058 0.014 23.8 2.2 8.0 1PD9 10667 8857 2.0 1.0 0.025 1 90.8 2.2 2.3 62.9 data reduction DENZO data scaling SCALEPACK model building PROTEIN refinement PROLSQ phasing PROTEIN Analysis of Three Crystal Structure Determinations of a 5-Methyl-6-N-Methylanilino Pyridopyrimidine antifolate Complex with Human Dihydrofolate Reductase 1 N N 2 N N 2 N N 3 N N 4 N N A LEU 27 A LEU 27 HELX_P A THR 40 A THR 40 1 1 14 A LYS 54 A LYS 54 HELX_P A PHE 58 A PHE 58 1 2 5 A SER 59 A SER 59 HELX_P A ILE 60 A ILE 60 5 3 2 A PRO 61 A PRO 61 HELX_P A ARG 65 A ARG 65 5 4 5 A SER 92 A SER 92 HELX_P A LEU 99 A LEU 99 1 5 8 A GLN 102 A GLN 102 HELX_P A ASN 107 A ASN 107 1 6 6 A GLY 117 A GLY 117 HELX_P A MET 125 A MET 125 1 7 9 OXIDOREDUCTASE human dihydrofolate reductase inhibitor complexes, OXIDOREDUCTASE A ARG 65 A ARG 65 1 A PRO 66 A PRO 66 -1.39 A GLY 116 A GLY 116 1 A GLY 117 A GLY 117 1.96 DYR_HUMAN UNP 1 1 P00374 VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELK EPPQGAHFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEIDLEKYKLLP EYPGVLSDVQEEKGIKYKFEVYEKND 1 186 1PD9 1 186 P00374 A 1 1 186 8 8 2 parallel parallel parallel parallel parallel anti-parallel anti-parallel parallel parallel parallel parallel parallel anti-parallel anti-parallel anti-parallel A PHE 88 A PHE 88 A SER 90 A SER 90 A ARG 70 A ARG 70 A LEU 75 A LEU 75 A GLN 47 A GLN 47 A GLY 53 A GLY 53 A VAL 109 A VAL 109 A ILE 114 A ILE 114 A LEU 4 A LEU 4 A VAL 10 A VAL 10 A HIS 130 A HIS 130 A ILE 138 A ILE 138 A ILE 175 A ILE 175 A ASN 185 A ASN 185 A LYS 157 A LYS 157 A LEU 158 A LEU 158 A PHE 88 A PHE 88 A SER 90 A SER 90 A ARG 70 A ARG 70 A LEU 75 A LEU 75 A GLN 47 A GLN 47 A GLY 53 A GLY 53 A VAL 109 A VAL 109 A ILE 114 A ILE 114 A LEU 4 A LEU 4 A VAL 10 A VAL 10 A HIS 130 A HIS 130 A ILE 138 A ILE 138 A ILE 175 A ILE 175 A ASN 185 A ASN 185 A GLN 170 A GLN 170 A GLU 172 A GLU 172 A GLY 15 A GLY 15 A GLY 17 A GLY 17 A THR 146 A THR 146 A PHE 147 A PHE 147 BINDING SITE FOR RESIDUE SO4 A 188 A SO4 188 Software 7 BINDING SITE FOR RESIDUE SO4 A 189 A SO4 189 Software 4 BINDING SITE FOR RESIDUE CO4 A 187 A CO4 187 Software 10 A GLY 53 A GLY 53 7 1_555 A LYS 54 A LYS 54 7 1_555 A LYS 55 A LYS 55 7 1_555 A THR 56 A THR 56 7 1_555 A GLY 117 A GLY 117 7 1_555 A VAL 120 A VAL 120 7 1_555 A HOH 251 E HOH 7 1_555 A LYS 54 A LYS 54 4 1_555 A SER 76 A SER 76 4 1_555 A ARG 77 A ARG 77 4 1_555 A GLU 78 A GLU 78 4 1_555 A ILE 7 A ILE 7 10 1_555 A VAL 8 A VAL 8 10 1_555 A LEU 22 A LEU 22 10 1_555 A GLU 30 A GLU 30 10 1_555 A PHE 31 A PHE 31 10 1_555 A PHE 34 A PHE 34 10 1_555 A PRO 61 A PRO 61 10 1_555 A ASN 64 A ASN 64 10 1_555 A VAL 115 A VAL 115 10 1_555 A TYR 121 A TYR 121 10 1_555 146 H 3