3GGJ

Human hypoxanthine-guanine phosphoribosyltransferase in complex with 9-(2-phosphonoethoxyethyl)guanine

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Hypoxanthine-guanine phosphoribosyltransferase	polymer	217	24481.2	2	UniProt (P00492) Pfam (PF00156) In PDB	Homo sapiens (human)	HGPRTase, HGPRT
2	A, B	{2-[2-(2-amino-6-oxo-1,6-dihydro-9H-purin-9-yl)ethoxy]ethyl}phosphonic acid	non-polymer		303.2	2	Chemie (25H)
3		water	water		18.0	110	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	48962.4
Non-Polymers*	Number of molecules	2
	Total formula weight	606.4
All*	Total formula weight	49568.9

*Water molecules are not included.