1A4M

ADA STRUCTURE COMPLEXED WITH PURINE RIBOSIDE AT PH 7.0

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	ADENOSINE DEAMINASE	polymer	349	39715.2	4	UniProt (P03958) Pfam (PF00962) In PDB	Mus musculus (house mouse)	ADA
2	A, B, C, D	ZINC ION	non-polymer		65.4	4	Chemie (ZN)
3	A, B, C, D	6-HYDROXY-1,6-DIHYDRO PURINE NUCLEOSIDE	non-polymer		271.3	4	Chemie (PRH)
4		water	water		18.0	1065	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	158860.8
Non-Polymers*	Number of molecules	8
	Total formula weight	1346.6
All*	Total formula weight	160207.4

*Water molecules are not included.