1ZN9

Human Adenine Phosphoribosyltransferase in Apo and AMP Complexed Forms

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Adenine phosphoribosyltransferase	polymer	180	19629.7	2	UniProt (P07741) Pfam (PF00156) In PDB	Homo sapiens (human)	APRT
2	B	ADENOSINE MONOPHOSPHATE	non-polymer		347.2	1	Chemie (AMP)
3		water	water		18.0	273	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	39259.5
Non-Polymers*	Number of molecules	1
	Total formula weight	347.2
All*	Total formula weight	39606.7

*Water molecules are not included.