1BZY

HUMAN HGPRTASE WITH TRANSITION STATE INHIBITOR

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, B, C, D)	HYPOXANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE	polymer	217	24481.2	4	UniProt (P00492) Pfam (PF00156)	Homo sapiens (human)
2	E, F, I, J, M... (A, B, C, D)	MAGNESIUM ION	non-polymer		24.3	8	Chemie (MG)
3	G, K, O, S (A, B, C, D)	PHOSPHORIC ACID MONO-[5-(2-AMINO-4-OXO-4,5-DIHYDRO-3H-PYRROLO[3,2-D]PYRIMIDIN-7-YL)-3,4-DIHYDROXY-PYRROLIDIN-2-YLMETHYL] ESTER	non-polymer		361.2	4	Chemie (IMU)
4	H, L, P, T (A, B, C, D)	PYROPHOSPHATE 2-	non-polymer		176.0	4	Chemie (POP)
5	U, V, W, X (A, B, C, D)	water	water		18.0	296	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	97924.9
Non-Polymers*	Number of molecules	16
	Total formula weight	2343.3
All*	Total formula weight	100268.1

*Water molecules are not included.