0.026763 0.000000 0.002558 0.000000 0.023392 0.000000 0.000000 0.000000 0.016490 0.00000 0.00000 0.00000 Cody, V. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 2 90.00 95.46 90.00 37.365 42.749 60.918 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 C17 H20 N6 308.381 N~6~-methyl-N~6~-[4-(propan-2-yl)phenyl]pyrido[2,3-d]pyrimidine-2,4,6-triamine 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 C21 H30 N7 O17 P3 745.421 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE non-polymer 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 C N 184 N C N 185 N C Y 186 N C Y 187 N C Y 188 N C Y 189 N C Y 190 N C Y 191 N C N 192 N N N 193 N C Y 194 N C Y 195 N C Y 196 N C Y 197 N C N 198 N N Y 199 N N Y 200 N C N 201 N N Y 202 N N Y 203 N C Y 204 N N Y 205 N C N 206 N H N 207 N H N 208 N H N 209 N H N 210 N H N 211 N H N 212 N H N 213 N H N 214 N H N 215 N H N 216 N H N 217 N H N 218 N H N 219 N H N 220 N H N 221 N H N 222 N H N 223 N H N 224 N H N 225 N H N 226 N N N 227 S C N 228 N C N 229 N O N 230 N C N 231 N C N 232 N C N 233 N C N 234 N O N 235 N H N 236 N H N 237 N H N 238 N H N 239 N H N 240 N H N 241 N H N 242 N H N 243 N H N 244 N H N 245 N H N 246 N H N 247 N H N 248 N N N 249 S C N 250 N C N 251 N O N 252 N C N 253 N C N 254 N C N 255 N C N 256 N N N 257 N O N 258 N H N 259 N H N 260 N H N 261 N H N 262 N H N 263 N H N 264 N H N 265 N H N 266 N H N 267 N H N 268 N H N 269 N H N 270 N H N 271 N 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 S N 280 N C N 281 N O N 282 N H N 283 N H N 284 N H N 285 N H N 286 N H N 287 N H N 288 N H N 289 N H N 290 N H N 291 N H N 292 N H N 293 S P N 294 N O N 295 N O N 296 N O N 297 N C N 298 R C N 299 N O N 300 R C N 301 N O N 302 R C N 303 N O N 304 R C Y 305 N N Y 306 N C Y 307 N N Y 308 N C Y 309 N C N 310 N N Y 311 N N Y 312 N C Y 313 N N Y 314 N C N 315 N O N 316 S P N 317 N O N 318 N O N 319 N O N 320 N C N 321 R C N 322 N O N 323 S C N 324 N O N 325 R C N 326 N O N 327 R C N 328 N N N 329 N C N 330 N C N 331 N C N 332 N O N 333 N N N 334 N C N 335 N C N 336 N C N 337 N P N 338 N O N 339 N O N 340 N O 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 H 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 H N 357 N H N 358 N H 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 H N 369 N H N 370 N H N 371 N N N 372 S C N 373 N C N 374 N O N 375 N C Y 376 N C 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 N N 395 S C N 396 N C N 397 N O N 398 N C N 399 N C N 400 N C N 401 N O N 402 N H N 403 N H N 404 N H N 405 N H N 406 N H N 407 N H N 408 N H N 409 N H N 410 N H N 411 N N N 412 S C N 413 N C N 414 N O N 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 N N 426 S C N 427 N C N 428 N O N 429 R C N 430 N O N 431 N C N 432 N O N 433 N H N 434 N H N 435 N H N 436 N H N 437 N H N 438 N H N 439 N H N 440 N H N 441 N H N 442 N N N 443 S C N 444 N C N 445 N O N 446 N C Y 447 N C Y 448 N C Y 449 N C Y 450 N N Y 451 N C Y 452 N C Y 453 N C Y 454 N C Y 455 N C N 456 N O 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 468 N H N 469 N N N 470 S C N 471 N C N 472 N O N 473 N C Y 474 N C Y 475 N C Y 476 N C Y 477 N C Y 478 N C Y 479 N C N 480 N O N 481 N O N 482 N H N 483 N H N 484 N H N 485 N H N 486 N H N 487 N H N 488 N H N 489 N H N 490 N H N 491 N H N 492 N H N 493 N N N 494 S C N 495 N C N 496 N O N 497 N C N 498 N C N 499 N C N 500 N O N 501 N H N 502 N H N 503 N H N 504 N H N 505 N H N 506 N H N 507 N H N 508 N H N 509 N H N 510 N H N 511 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 Y 176 N doub Y 177 N sing Y 178 N sing Y 179 N doub Y 180 N doub Y 181 N doub Y 182 N sing Y 183 N sing Y 184 N sing N 185 N sing Y 186 N doub Y 187 N sing Y 188 N sing N 189 N sing Y 190 N doub N 191 N sing Y 192 N doub N 193 N sing Y 194 N sing Y 195 N doub Y 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 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 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 doub 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 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 Y 305 N sing Y 306 N sing Y 307 N doub N 308 N sing Y 309 N sing Y 310 N sing Y 311 N doub N 312 N sing Y 313 N doub N 314 N sing N 315 N sing Y 316 N sing Y 317 N doub N 318 N sing Y 319 N sing N 320 N sing N 321 N doub 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 sing 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 sing N 345 N doub N 346 N sing N 347 N sing N 348 N sing N 349 N doub 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 doub N 357 N sing N 358 N sing N 359 N doub 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 N 380 N sing Y 381 N doub N 382 N sing Y 383 N sing N 384 N sing N 385 N sing N 386 N sing N 387 N sing N 388 N sing N 389 N sing N 390 N sing N 391 N sing N 392 N sing N 393 N doub N 394 N sing N 395 N sing N 396 N sing N 397 N sing N 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 sing N 410 N doub 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 sing N 422 N sing N 423 N doub 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 N 434 N sing N 435 N sing N 436 N sing N 437 N sing N 438 N sing N 439 N doub N 440 N sing N 441 N sing N 442 N sing N 443 N sing Y 444 N doub Y 445 N sing Y 446 N sing N 447 N sing Y 448 N doub Y 449 N sing Y 450 N sing N 451 N sing Y 452 N sing Y 453 N doub N 454 N sing Y 455 N doub N 456 N sing Y 457 N sing N 458 N sing N 459 N sing N 460 N sing N 461 N sing N 462 N sing N 463 N sing N 464 N sing N 465 N sing N 466 N sing N 467 N doub N 468 N sing N 469 N sing N 470 N sing N 471 N sing Y 472 N doub Y 473 N sing Y 474 N sing N 475 N sing Y 476 N doub N 477 N sing Y 478 N doub N 479 N sing Y 480 N sing N 481 N sing N 482 N sing N 483 N sing N 484 N sing N 485 N sing N 486 N sing N 487 N sing N 488 N sing N 489 N sing N 490 N sing N 491 N doub N 492 N sing N 493 N sing N 494 N sing N 495 N sing N 496 N sing N 497 N sing N 498 N sing N 499 N sing N 500 N sing N 501 N sing N 502 N sing US J.Med.Chem. JMCMAR 0151 0022-2623 56 4422 4441 10.1021/jm400086g 23627352 Design, Synthesis, and Molecular Modeling of Novel Pyrido[2,3-d]pyrimidine Analogues As Antifolates; Application of Buchwald-Hartwig Aminations of Heterocycles. 2013 10.2210/pdb4ixf/pdb pdb_00004ixf 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 113 1 mirrors IMAGE PLATE 2011-04-19 MAR scanner 345 mm plate graphite SINGLE WAVELENGTH M x-ray 1 0.975 1.0 BL9-2 SSRL 0.975 SYNCHROTRON SSRL BEAMLINE BL9-2 23885.465 Dihydrofolate reductase 1.5.1.3 F69N 1 man polymer 745.421 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE 1 syn non-polymer 308.381 N~6~-methyl-N~6~-[4-(propan-2-yl)phenyl]pyrido[2,3-d]pyrimidine-2,4,6-triamine 1 syn non-polymer 18.015 water 79 nat water no no MNQQKSLTLIVALTTSYGIGRSNSLPWKLKKEISYFKRVTSFVPTFDSFESMNVVLMGRKTWESIPLQNRPLKGRINVVI TRNESLDLGNGIHSAKSLDHALELLYRTYGSESSVQINRIFVIGGAQLYKAAMDHPKLDRIMATIIYKDIHCDVFFPLKF RDKEWSSVWKKEKHSDLESWVGTKVPHGKINEDGFDYEFEMWTRDL MNQQKSLTLIVALTTSYGIGRSNSLPWKLKKEISYFKRVTSFVPTFDSFESMNVVLMGRKTWESIPLQNRPLKGRINVVI TRNESLDLGNGIHSAKSLDHALELLYRTYGSESSVQINRIFVIGGAQLYKAAMDHPKLDRIMATIIYKDIHCDVFFPLKF RDKEWSSVWKKEKHSDLESWVGTKVPHGKINEDGFDYEFEMWTRDL X 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 sample 4754 Pneumocystis carinii 562 Escherichia coli Rosetta Gami B (DE3) plasmid pET-SUMO-pcDHFR-F69N 1 2.03 39.34 VAPOR DIFFUSION, HANGING DROP 6.0 35% PEG 2000, 49 mM MES, 100 mM KCl, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 287K 287 pdbx_unobs_or_zero_occ_residues software chem_comp_atom chem_comp_bond database_2 pdbx_initial_refinement_model pdbx_unobs_or_zero_occ_residues struct_ref_seq_dif struct_site repository Initial release Database references Advisory Refinement description Advisory Data collection Database references Derived calculations Refinement description 1 0 2013-05-29 1 1 2013-07-10 1 2 2017-11-15 1 3 2023-09-20 _database_2.pdbx_DOI _database_2.pdbx_database_accession _struct_ref_seq_dif.details _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id RCSB Y RCSB 2013-01-25 REL REL NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE IXF N~6~-methyl-N~6~-[4-(propan-2-yl)phenyl]pyrido[2,3-d]pyrimidine-2,4,6-triamine HOH water 3CD2 PDB entry 3CD2 PDB experimental model NDP 1 2 NDP NDP 301 X IXF 1 3 IXF IXF 302 X HOH 1 4 HOH HOH 401 X HOH 2 4 HOH HOH 402 X HOH 3 4 HOH HOH 403 X HOH 4 4 HOH HOH 404 X HOH 5 4 HOH HOH 405 X HOH 6 4 HOH HOH 406 X HOH 7 4 HOH HOH 407 X HOH 8 4 HOH HOH 408 X HOH 9 4 HOH HOH 409 X HOH 10 4 HOH HOH 410 X HOH 11 4 HOH HOH 411 X HOH 12 4 HOH HOH 412 X HOH 13 4 HOH HOH 413 X HOH 14 4 HOH HOH 414 X HOH 15 4 HOH HOH 415 X HOH 16 4 HOH HOH 416 X HOH 17 4 HOH HOH 417 X HOH 18 4 HOH HOH 418 X HOH 19 4 HOH HOH 419 X HOH 20 4 HOH HOH 420 X HOH 21 4 HOH HOH 421 X HOH 22 4 HOH HOH 422 X HOH 23 4 HOH HOH 423 X HOH 24 4 HOH HOH 424 X HOH 25 4 HOH HOH 425 X HOH 26 4 HOH HOH 426 X HOH 27 4 HOH HOH 427 X HOH 28 4 HOH HOH 428 X HOH 29 4 HOH HOH 429 X HOH 30 4 HOH HOH 430 X HOH 31 4 HOH HOH 431 X HOH 32 4 HOH HOH 432 X HOH 33 4 HOH HOH 433 X HOH 34 4 HOH HOH 434 X HOH 35 4 HOH HOH 435 X HOH 36 4 HOH HOH 436 X HOH 37 4 HOH HOH 437 X HOH 38 4 HOH HOH 438 X HOH 39 4 HOH HOH 439 X HOH 40 4 HOH HOH 440 X HOH 41 4 HOH HOH 441 X HOH 42 4 HOH HOH 442 X HOH 43 4 HOH HOH 443 X HOH 44 4 HOH HOH 444 X HOH 45 4 HOH HOH 445 X HOH 46 4 HOH HOH 446 X HOH 47 4 HOH HOH 447 X HOH 48 4 HOH HOH 448 X HOH 49 4 HOH HOH 449 X HOH 50 4 HOH HOH 450 X HOH 51 4 HOH HOH 451 X HOH 52 4 HOH HOH 452 X HOH 53 4 HOH HOH 453 X HOH 54 4 HOH HOH 454 X HOH 55 4 HOH HOH 455 X HOH 56 4 HOH HOH 456 X HOH 57 4 HOH HOH 457 X HOH 58 4 HOH HOH 458 X HOH 59 4 HOH HOH 459 X HOH 60 4 HOH HOH 460 X HOH 61 4 HOH HOH 461 X HOH 62 4 HOH HOH 462 X HOH 63 4 HOH HOH 463 X HOH 64 4 HOH HOH 464 X HOH 65 4 HOH HOH 465 X HOH 66 4 HOH HOH 466 X HOH 67 4 HOH HOH 467 X HOH 68 4 HOH HOH 468 X HOH 69 4 HOH HOH 469 X HOH 70 4 HOH HOH 470 X HOH 71 4 HOH HOH 471 X HOH 72 4 HOH HOH 472 X HOH 73 4 HOH HOH 473 X HOH 74 4 HOH HOH 474 X HOH 75 4 HOH HOH 475 X HOH 76 4 HOH HOH 476 X HOH 77 4 HOH HOH 477 X HOH 78 4 HOH HOH 478 X HOH 79 4 HOH HOH 479 X MET 1 n 1 MET 1 X ASN 2 n 2 ASN 2 X GLN 3 n 3 GLN 3 X GLN 4 n 4 GLN 4 X LYS 5 n 5 LYS 5 X SER 6 n 6 SER 6 X LEU 7 n 7 LEU 7 X THR 8 n 8 THR 8 X LEU 9 n 9 LEU 9 X ILE 10 n 10 ILE 10 X VAL 11 n 11 VAL 11 X ALA 12 n 12 ALA 12 X LEU 13 n 13 LEU 13 X THR 14 n 14 THR 14 X THR 15 n 15 THR 15 X SER 16 n 16 SER 16 X TYR 17 n 17 TYR 17 X GLY 18 n 18 GLY 18 X ILE 19 n 19 ILE 19 X GLY 20 n 20 GLY 20 X ARG 21 n 21 ARG 21 X SER 22 n 22 SER 22 X ASN 23 n 23 ASN 23 X SER 24 n 24 SER 24 X LEU 25 n 25 LEU 25 X PRO 26 n 26 PRO 26 X TRP 27 n 27 TRP 27 X LYS 28 n 28 LYS 28 X LEU 29 n 29 LEU 29 X LYS 30 n 30 LYS 30 X LYS 31 n 31 LYS 31 X GLU 32 n 32 GLU 32 X ILE 33 n 33 ILE 33 X SER 34 n 34 SER 34 X TYR 35 n 35 TYR 35 X PHE 36 n 36 PHE 36 X LYS 37 n 37 LYS 37 X ARG 38 n 38 ARG 38 X VAL 39 n 39 VAL 39 X THR 40 n 40 THR 40 X SER 41 n 41 SER 41 X PHE 42 n 42 PHE 42 X VAL 43 n 43 VAL 43 X PRO 44 n 44 PRO 44 X THR 45 n 45 THR 45 X PHE 46 n 46 PHE 46 X ASP 47 n 47 ASP 47 X SER 48 n 48 SER 48 X PHE 49 n 49 PHE 49 X GLU 50 n 50 GLU 50 X SER 51 n 51 SER 51 X MET 52 n 52 MET 52 X ASN 53 n 53 ASN 53 X VAL 54 n 54 VAL 54 X VAL 55 n 55 VAL 55 X LEU 56 n 56 LEU 56 X MET 57 n 57 MET 57 X GLY 58 n 58 GLY 58 X ARG 59 n 59 ARG 59 X LYS 60 n 60 LYS 60 X THR 61 n 61 THR 61 X TRP 62 n 62 TRP 62 X GLU 63 n 63 GLU 63 X SER 64 n 64 SER 64 X ILE 65 n 65 ILE 65 X PRO 66 n 66 PRO 66 X LEU 67 n 67 LEU 67 X GLN 68 n 68 GLN 68 X ASN 69 n 69 ASN 69 X ARG 70 n 70 ARG 70 X PRO 71 n 71 PRO 71 X LEU 72 n 72 LEU 72 X LYS 73 n 73 LYS 73 X GLY 74 n 74 GLY 74 X ARG 75 n 75 ARG 75 X ILE 76 n 76 ILE 76 X ASN 77 n 77 ASN 77 X VAL 78 n 78 VAL 78 X VAL 79 n 79 VAL 79 X ILE 80 n 80 ILE 80 X THR 81 n 81 THR 81 X ARG 82 n 82 ARG 82 X ASN 83 n 83 ASN 83 X GLU 84 n 84 GLU 84 X SER 85 n 85 SER 85 X LEU 86 n 86 LEU 86 X ASP 87 n 87 ASP 87 X LEU 88 n 88 LEU 88 X GLY 89 n 89 GLY 89 X ASN 90 n 90 ASN 90 X GLY 91 n 91 GLY 91 X ILE 92 n 92 ILE 92 X HIS 93 n 93 HIS 93 X SER 94 n 94 SER 94 X ALA 95 n 95 ALA 95 X LYS 96 n 96 LYS 96 X SER 97 n 97 SER 97 X LEU 98 n 98 LEU 98 X ASP 99 n 99 ASP 99 X HIS 100 n 100 HIS 100 X ALA 101 n 101 ALA 101 X LEU 102 n 102 LEU 102 X GLU 103 n 103 GLU 103 X LEU 104 n 104 LEU 104 X LEU 105 n 105 LEU 105 X TYR 106 n 106 TYR 106 X ARG 107 n 107 ARG 107 X THR 108 n 108 THR 108 X TYR 109 n 109 TYR 109 X GLY 110 n 110 GLY 110 X SER 111 n 111 SER 111 X GLU 112 n 112 GLU 112 X SER 113 n 113 SER 113 X SER 114 n 114 SER 114 X VAL 115 n 115 VAL 115 X GLN 116 n 116 GLN 116 X ILE 117 n 117 ILE 117 X ASN 118 n 118 ASN 118 X ARG 119 n 119 ARG 119 X ILE 120 n 120 ILE 120 X PHE 121 n 121 PHE 121 X VAL 122 n 122 VAL 122 X ILE 123 n 123 ILE 123 X GLY 124 n 124 GLY 124 X GLY 125 n 125 GLY 125 X ALA 126 n 126 ALA 126 X GLN 127 n 127 GLN 127 X LEU 128 n 128 LEU 128 X TYR 129 n 129 TYR 129 X LYS 130 n 130 LYS 130 X ALA 131 n 131 ALA 131 X ALA 132 n 132 ALA 132 X MET 133 n 133 MET 133 X ASP 134 n 134 ASP 134 X HIS 135 n 135 HIS 135 X PRO 136 n 136 PRO 136 X LYS 137 n 137 LYS 137 X LEU 138 n 138 LEU 138 X ASP 139 n 139 ASP 139 X ARG 140 n 140 ARG 140 X ILE 141 n 141 ILE 141 X MET 142 n 142 MET 142 X ALA 143 n 143 ALA 143 X THR 144 n 144 THR 144 X ILE 145 n 145 ILE 145 X ILE 146 n 146 ILE 146 X TYR 147 n 147 TYR 147 X LYS 148 n 148 LYS 148 X ASP 149 n 149 ASP 149 X ILE 150 n 150 ILE 150 X HIS 151 n 151 HIS 151 X CYS 152 n 152 CYS 152 X ASP 153 n 153 ASP 153 X VAL 154 n 154 VAL 154 X PHE 155 n 155 PHE 155 X PHE 156 n 156 PHE 156 X PRO 157 n 157 PRO 157 X LEU 158 n 158 LEU 158 X LYS 159 n 159 LYS 159 X PHE 160 n 160 PHE 160 X ARG 161 n 161 ARG 161 X ASP 162 n 162 ASP 162 X LYS 163 n 163 LYS 163 X GLU 164 n 164 GLU 164 X TRP 165 n 165 TRP 165 X SER 166 n 166 SER 166 X SER 167 n 167 SER 167 X VAL 168 n 168 VAL 168 X TRP 169 n 169 TRP 169 X LYS 170 n 170 LYS 170 X LYS 171 n 171 LYS 171 X GLU 172 n 172 GLU 172 X LYS 173 n 173 LYS 173 X HIS 174 n 174 HIS 174 X SER 175 n 175 SER 175 X ASP 176 n 176 ASP 176 X LEU 177 n 177 LEU 177 X GLU 178 n 178 GLU 178 X SER 179 n 179 SER 179 X TRP 180 n 180 TRP 180 X VAL 181 n 181 VAL 181 X GLY 182 n 182 GLY 182 X THR 183 n 183 THR 183 X LYS 184 n 184 LYS 184 X VAL 185 n 185 VAL 185 X PRO 186 n 186 PRO 186 X HIS 187 n 187 HIS 187 X GLY 188 n 188 GLY 188 X LYS 189 n 189 LYS 189 X ILE 190 n 190 ILE 190 X ASN 191 n 191 ASN 191 X GLU 192 n 192 GLU 192 X ASP 193 n 193 ASP 193 X GLY 194 n 194 GLY 194 X PHE 195 n 195 PHE 195 X ASP 196 n 196 ASP 196 X TYR 197 n 197 TYR 197 X GLU 198 n 198 GLU 198 X PHE 199 n 199 PHE 199 X GLU 200 n 200 GLU 200 X MET 201 n 201 MET 201 X TRP 202 n 202 TRP 202 X THR 203 n 203 THR 203 X ARG 204 n 204 ARG 204 X ASP 205 n 205 ASP 205 X LEU 206 n 206 LEU 206 X author_and_software_defined_assembly PISA 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 X O HIS 93 A O HIS 93 X N VAL 79 A N VAL 79 X O ILE 76 A O ILE 76 X N ASN 53 A N ASN 53 X N MET 52 A N MET 52 X O ASN 118 A O ASN 118 X O VAL 122 A O VAL 122 X N ILE 10 A N ILE 10 X N LEU 9 A N LEU 9 X O MET 142 A O MET 142 X N ILE 141 A N ILE 141 X O TRP 202 A O TRP 202 X O THR 203 A O THR 203 X N LYS 170 A N LYS 170 X O HIS 93 A O HIS 93 X N VAL 79 A N VAL 79 X O ILE 76 A O ILE 76 X N ASN 53 A N ASN 53 X N MET 52 A N MET 52 X O ASN 118 A O ASN 118 X O VAL 122 A O VAL 122 X N ILE 10 A N ILE 10 X N LEU 9 A N LEU 9 X O MET 142 A O MET 142 X N ILE 141 A N ILE 141 X O TRP 202 A O TRP 202 X O TYR 197 A O TYR 197 X N ILE 190 A N ILE 190 X N ILE 19 A N ILE 19 X O VAL 154 A O VAL 154 1 X MET 1 A MET 1 0 Y 1 X ASN 2 A ASN 2 0 Y 1 X GLN 3 A GLN 3 0 Y 1 X GLN 4 A GLN 4 0 Y 1 X GLU 84 A GLU 84 0 Y 1 X SER 85 A SER 85 0 Y 1 X LEU 86 A LEU 86 0 Y 1 X ASP 87 A ASP 87 0 Y 1 X LEU 88 A LEU 88 0 Y 1 X GLY 89 A GLY 89 0 Y 1 X ASN 90 A ASN 90 0 Y 1 X GLY 91 A GLY 91 0 Y 1 X X O CA ASN SER 83 85 2.19 1 X X GLY ASN 89 90 40.34 1 -5.94 0.90 118.30 112.36 X X X CB CG OD1 ASP ASP ASP 139 139 139 N 1 5.87 0.90 118.30 124.17 X X X CB CG OD2 ASP ASP ASP 139 139 139 N 1 X X C N GLN LYS 4 5 0.180 0.023 1.336 1.516 Y 1 X X CE2 CD2 TRP TRP 169 169 0.081 0.012 1.409 1.490 N 1 X ASN 2 -130.90 -41.10 1 X GLN 3 -103.74 53.22 1 X SER 24 -146.21 -159.56 1 X SER 85 171.62 -174.47 1 X LEU 86 -142.53 -29.42 1 X ASP 87 10.13 -121.59 1 X LEU 88 163.97 -151.07 1 X ASN 90 86.27 7.18 1 X TYR 109 -108.47 57.81 1 X GLU 112 147.72 -42.12 1 X ASN 118 -95.56 -86.04 28.485 0.00 0.00 0.00 0.00 0.00 0.01 0.960 0.939 HYDROGENS HAVE BEEN USED IF PRESENT IN THE INPUT 0.24802 0.19955 0.20209 1.70 37.20 1088 20020 5.2 99.30 2.811 0.093 RANDOM 1 THROUGHOUT MOLECULAR REPLACEMENT 0.127 0.127 0.80 0.80 1.20 PDB entry 3CD2 MAXIMUM LIKELIHOOD MASK 0.208 1.70 37.20 79 1833 71 0 1683 0.020 0.020 1711 2.143 2.002 2321 6.355 5.000 192 31.518 22.917 72 17.369 15.000 302 20.701 15.000 11 0.178 0.200 252 0.011 0.021 1253 0.415 0.354 1.744 62 1342 20 94.35 1.70 37.2 4IXF 21146 2.0 2.0 0.080 0.049 1 7.2 3.6 99.5 0.61 1.70 1.79 1.4 0.38 1 3.5 97.6 data collection HKL-2000 phasing MOLREP refinement REFMAC 5.6.0117 data reduction MOSFLM data scaling SCALEPACK pcDHFR-269 F69N variant 1 N N 2 N N 3 N N 4 N N X LEU 29 A LEU 29 HELX_P X PHE 42 A PHE 42 1 1 14 X ARG 59 A ARG 59 HELX_P X ILE 65 A ILE 65 1 2 7 X PRO 66 A PRO 66 HELX_P X ARG 70 A ARG 70 5 3 5 X SER 97 A SER 97 HELX_P X TYR 109 A TYR 109 1 4 13 X GLY 125 A GLY 125 HELX_P X HIS 135 A HIS 135 1 5 11 X ASP 162 A ASP 162 HELX_P X SER 166 A SER 166 5 6 5 X LYS 173 A LYS 173 HELX_P X GLY 182 A GLY 182 1 7 10 OXIDOREDUCTASE/Inhibitor pcDHFR-269-NADPH F69N ternary complex, reductase, OXIDOREDUCTASE-Inhibitor complex X ARG 70 A ARG 70 1 X PRO 71 A PRO 71 0.19 X GLU 84 A GLU 84 1 X SER 85 A SER 85 0.71 X GLY 124 A GLY 124 1 X GLY 125 A GLY 125 3.00 DYR_PNECA UNP 1 1 P16184 MNQQKSLTLIVALTTSYGIGRSNSLPWKLKKEISYFKRVTSFVPTFDSFESMNVVLMGRKTWESIPLQFRPLKGRINVVI TRNESLDLGNGIHSAKSLDHALELLYRTYGSESSVQINRIFVIGGAQLYKAAMDHPKLDRIMATIIYKDIHCDVFFPLKF RDKEWSSVWKKEKHSDLESWVGTKVPHGKINEDGFDYEFEMWTRDL 1 206 4IXF 1 206 P16184 X 1 1 206 1 PHE engineered mutation ASN 69 4IXF X P16184 UNP 69 69 8 8 2 parallel parallel parallel parallel parallel anti-parallel anti-parallel parallel parallel parallel parallel parallel anti-parallel anti-parallel anti-parallel X HIS 93 A HIS 93 X ALA 95 A ALA 95 X ILE 76 A ILE 76 X ILE 80 A ILE 80 X SER 51 A SER 51 X GLY 58 A GLY 58 X GLN 116 A GLN 116 X VAL 122 A VAL 122 X LEU 7 A LEU 7 X THR 14 A THR 14 X LEU 138 A LEU 138 X ILE 146 A ILE 146 X PHE 195 A PHE 195 X THR 203 A THR 203 X LYS 170 A LYS 170 X LYS 171 A LYS 171 X HIS 93 A HIS 93 X ALA 95 A ALA 95 X ILE 76 A ILE 76 X ILE 80 A ILE 80 X SER 51 A SER 51 X GLY 58 A GLY 58 X GLN 116 A GLN 116 X VAL 122 A VAL 122 X LEU 7 A LEU 7 X THR 14 A THR 14 X LEU 138 A LEU 138 X ILE 146 A ILE 146 X PHE 195 A PHE 195 X THR 203 A THR 203 X ILE 190 A ILE 190 X GLU 192 A GLU 192 X GLY 18 A GLY 18 X GLY 20 A GLY 20 X VAL 154 A VAL 154 X PHE 155 A PHE 155 BINDING SITE FOR RESIDUE NDP X 301 X NDP 301 Software 29 BINDING SITE FOR RESIDUE IXF X 302 X IXF 302 Software 13 X VAL 11 A VAL 11 29 1_555 X ALA 12 A ALA 12 29 1_555 X ILE 19 A ILE 19 29 1_555 X GLY 20 A GLY 20 29 1_555 X ASN 23 A ASN 23 29 1_555 X SER 24 A SER 24 29 1_555 X LEU 25 A LEU 25 29 1_555 X TRP 27 A TRP 27 29 1_555 X GLY 58 A GLY 58 29 1_555 X ARG 59 A ARG 59 29 1_555 X LYS 60 A LYS 60 29 1_555 X THR 61 A THR 61 29 1_555 X ILE 80 A ILE 80 29 1_555 X THR 81 A THR 81 29 1_555 X ARG 82 A ARG 82 29 1_555 X LYS 96 A LYS 96 29 1_555 X ILE 123 A ILE 123 29 1_555 X GLY 125 A GLY 125 29 1_555 X ALA 126 A ALA 126 29 1_555 X GLN 127 A GLN 127 29 1_555 X LEU 128 A LEU 128 29 1_555 X TYR 129 A TYR 129 29 1_555 X ALA 131 A ALA 131 29 1_555 X IXF 302 C IXF 29 1_555 X HOH 414 D HOH 29 1_555 X HOH 447 D HOH 29 1_555 X HOH 454 D HOH 29 1_555 X HOH 457 D HOH 29 1_555 X HOH 479 D HOH 29 1_555 X ILE 10 A ILE 10 13 1_555 X VAL 11 A VAL 11 13 1_555 X ALA 12 A ALA 12 13 1_555 X LEU 25 A LEU 25 13 1_555 X GLU 32 A GLU 32 13 1_555 X ILE 33 A ILE 33 13 1_555 X PHE 36 A PHE 36 13 1_555 X ASN 69 A ASN 69 13 1_555 X LEU 72 A LEU 72 13 1_555 X ILE 123 A ILE 123 13 1_555 X TYR 129 A TYR 129 13 1_555 X THR 144 A THR 144 13 1_555 X NDP 301 B NDP 13 1_555 4 P 1 21 1