1WVA

Crystal structure of human arginase I from twinned crystal

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Arginase 1	polymer	322	34779.9	2	UniProt (P05089) Pfam (PF00491)	Homo sapiens (human)	arginase I, Liver-type arginase
2	C, D, F, G (A, B)	MANGANESE (II) ION	non-polymer		54.9	4	Chemie (MN)
3	E, H (A, B)	S-2-(BORONOETHYL)-L-CYSTEINE	non-polymer		210.0	2	Chemie (S2C)
4	I, J (A, B)	water	water		18.0	201	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	69559.8
Non-Polymers*	Number of molecules	6
	Total formula weight	639.8
All*	Total formula weight	70199.6

*Water molecules are not included.