1WOX

Crystal structure of heme oxygenase-2 from Synechocystis sp. PCC 6803 in complex with heme and NO

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)	Heme oxygenase 2	polymer	250	28572.3	2	UniProt (P74133) Pfam (PF01126)	Synechocystis sp.
2	C, E (A, B)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	2	Chemie (HEM)
3	D, F (A, B)	NITRIC OXIDE	non-polymer		30.0	2	Chemie (NO)
4	G, H (A, B)	water	water		18.0	311	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	57144.6
Non-Polymers*	Number of molecules	4
	Total formula weight	1293.0
All*	Total formula weight	58437.6

*Water molecules are not included.