1G9S - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF A COMPLEX BETWEEN E.COLI HPRT AND IMP
• Keywords: PHOSPHORIBOSYLTRANSFERASES, PURINE SALVAGE, PROTEIN CHEMISTR ENZYMOLOGY, TRANSFERASE
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	1G9S	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	HYPOXANTHINE PHOSPHORIBOSYLTRANSFERASE	A	169	1336	0
2	Protein	HYPOXANTHINE PHOSPHORIBOSYLTRANSFERASE	B	169	1332	0
3	Ligand	HYPOXANTHINE PHOSPHORIBOSYLTRANSFERASE	A	1	0	23
4	Ligand	HYPOXANTHINE PHOSPHORIBOSYLTRANSFERASE	B	1	0	13
5	Water			96	0	96
total				436	2668	132

Proteins

Unit 1

MET 5 LYS 6 HIS 7 THR 8 VAL 9 GLU 10 VAL 11 MET 12 ILE 13 PRO 14 GLU 15 ALA 16 GLU 17 ILE 18 LYS 19 ALA 20 ARG 21 ILE 22 ALA 23 GLU 24 LEU 25 GLY 26 ARG 27 GLN 28 ILE 29 THR 30 GLU 31 ARG 32 TYR 33 LYS 34 ASP 35 SER 36 GLY 37 SER 38 ASP 39 MET 40 VAL 41 LEU 42 VAL 43 GLY 44 LEU 45 LEU 46 ARG 47 GLY 48 SER 49 PHE 50 MET 51 PHE 52 MET 53 ALA 54 ASP 55 LEU 56 CYS 57 ARG 58 GLU 59 VAL 60 GLN 61 VAL 62 SER 63 HIS 64 GLU 65 VAL 66 ASP 67 PHE 68 MET 69 THR 70 ALA 71 SER 72 SER 73 ARG 82 ASP 83 LEU 84 LYS 85 ILE 86 LEU 87 LYS 88 ASP 89 LEU 90 ASP 91 GLU 92 ASP 93 ILE 94 ARG 95 GLY 96 LYS 97 ASP 98 VAL 99 LEU 100 ILE 101 VAL 102 GLU 103 ASP 104 ILE 105 ILE 106 ASP 107 SER 108 GLY 109 ASN 110 THR 111 LEU 112 SER 113 LYS 114 VAL 115 ARG 116 GLU 117 ILE 118 LEU 119 SER 120 LEU 121 ARG 122 GLU 123 PRO 124 LYS 125 SER 126 LEU 127 ALA 128 ILE 129 CYS 130 THR 131 LEU 132 LEU 133 ASP 134 LYS 135 PRO 136 SER 137 ARG 138 ARG 139 GLU 140 VAL 141 ASN 142 VAL 143 PRO 144 VAL 145 GLU 146 PHE 147 ILE 148 GLY 149 PHE 150 SER 151 ILE 152 PRO 153 ASP 154 GLU 155 PHE 156 VAL 157 VAL 158 GLY 159 TYR 160 GLY 161 ILE 162 ASP 163 TYR 164 ALA 165 GLN 166 ARG 167 TYR 168 ARG 169 HIS 170 LEU 171 PRO 172 TYR 173 ILE 174 GLY 175 LYS 176 VAL 177 ILE 178 LEU 179 LEU 180 ASP 181

Unit 2

MET 305 LYS 306 HIS 307 THR 308 VAL 309 GLU 310 VAL 311 MET 312 ILE 313 PRO 314 GLU 315 ALA 316 GLU 317 ILE 318 LYS 319 ALA 320 ARG 321 ILE 322 ALA 323 GLU 324 LEU 325 GLY 326 ARG 327 GLN 328 ILE 329 THR 330 GLU 331 ARG 332 TYR 333 LYS 334 ASP 335 SER 336 GLY 337 SER 338 ASP 339 MET 340 VAL 341 LEU 342 VAL 343 GLY 344 LEU 345 LEU 346 ARG 347 GLY 348 SER 349 PHE 350 MET 351 PHE 352 MET 353 ALA 354 ASP 355 LEU 356 CYS 357 ARG 358 GLU 359 VAL 360 GLN 361 VAL 362 SER 363 HIS 364 GLU 365 VAL 366 ASP 367 PHE 368 MET 369 THR 370 ALA 371 SER 372 SER 373 ARG 382 ASP 383 LEU 384 LYS 385 ILE 386 LEU 387 LYS 388 ASP 389 LEU 390 ASP 391 GLU 392 ASP 393 ILE 394 ARG 395 GLY 396 LYS 397 ASP 398 VAL 399 LEU 400 ILE 401 VAL 402 GLU 403 ASP 404 ILE 405 ILE 406 ASP 407 SER 408 GLY 409 ASN 410 THR 411 LEU 412 SER 413 LYS 414 VAL 415 ARG 416 GLU 417 ILE 418 LEU 419 SER 420 LEU 421 ARG 422 GLU 423 PRO 424 LYS 425 SER 426 LEU 427 ALA 428 ILE 429 CYS 430 THR 431 LEU 432 LEU 433 ASP 434 LYS 435 PRO 436 SER 437 ARG 438 ARG 439 GLU 440 VAL 441 ASN 442 VAL 443 PRO 444 VAL 445 GLU 446 PHE 447 ILE 448 GLY 449 PHE 450 SER 451 ILE 452 PRO 453 ASP 454 GLU 455 PHE 456 VAL 457 VAL 458 GLY 459 TYR 460 GLY 461 ILE 462 ASP 463 TYR 464 ALA 465 GLN 466 ARG 467 TYR 468 ARG 469 HIS 470 LEU 471 PRO 472 TYR 473 ILE 474 GLY 475 LYS 476 VAL 477 ILE 478 LEU 479 LEU 480 ASP 481

Ligands

Unit 3	IMP 190
Unit 4	N 490