4B8N

Cytochrome b5 of Ostreococcus tauri virus 2

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 (A, B, C, D)	CYTOCHROME B5-HOST ORIGIN	polymer	91	10409.1	4	UniProt (E4WM77) Pfam (PF00173)	OSTREOCOCCUS TAURI VIRUS 2
2	E, G, I, K (A, B, C, D)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	4	Chemie (HEM)
3	F, H, J, L (A, B, C, D)	SULFATE ION	non-polymer		96.1	4	Chemie (SO4)
4	M, N, O, P (A, B, C, D)	water	water		18.0	199	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	41636.5
Non-Polymers*	Number of molecules	8
	Total formula weight	2850.2
All*	Total formula weight	44486.7

*Water molecules are not included.