| 1BZY | A:; C:; D:; B: | HUMAN HGPRTASE WITH TRANSITION STATE INHIBITOR |
| 1D6N | A:; B: | TERNARY COMPLEX STRUCTURE OF HUMAN HGPRTASE, PRPP, MG2+, AND THE INHIBITOR HPP REVEALS THE INVOLVEMENT OF THE FLEXIBLE LOOP IN SUBSTRATE BINDING |
| 1HMP | A:; B: | THE CRYSTAL STRUCTURE OF HUMAN HYPOXANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE WITH BOUND GMP |
| 1Z7G | A:; B:; C:; D: | FREE HUMAN HGPRT |
| 3GEP | A:; B: | HUMAN HYPOXANTHINE GUANINE PHOSPHORIBOSYLTRANSERFASE IN COMPLEX WITH (S)-9-(3-HYDROXY-2-PHOSPHONYLMETHOXYPROPYL) GUANINE |
| 3GGC | A:; B: | HUMAN HYPOXANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE IN COMPLEX WITH 9-(2-PHOSPHONOETHOXYETHYL)HYPOXANTHINE |
| 3GGJ | A:; B: | HUMAN HYPOXANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE IN COMPLEX WITH 9-(2-PHOSPHONOETHOXYETHYL)GUANINE |
| 4IJQ | A:; B:; C:; D: | HUMAN HYPOXANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE IN COMPLEX WITH [(2-((GUANINE-9H-YL)METHYL)PROPANE-1,3-DIYL)BIS(OXY)]BIS(METHYLENE)) DIPHOSPHONIC ACID |
| 4KN6 | A: | CRYSTAL STRUCTURE OF HUMAN HYPOXANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE IN COMPLEX WITH 6-FLUORO-3-HYDROXY-2-PYRAZINECARBOXAMIDE (T-705) RIBOSE-5'-MONOPHOSPHATE |
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