5FFI

[2Fe:2S] ferredoxin FeSII from Azotobacter vinelandii

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, E (A, B, C, D, E)	Dimeric (2Fe-2S) protein	polymer	122	13289.3	5	UniProt (Q44501) Pfam (PF00111)	Azotobacter vinelandii	Ferredoxin FeSII
2	F, G, H, I, J (A, B, C, D, E)	FE2/S2 (INORGANIC) CLUSTER	non-polymer		175.8	5	Chemie (FES)
3	K, L, M, N, O (A, B, C, D, E)	water	water		18.0	152	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	5
	Total formula weight	66446.6
Non-Polymers*	Number of molecules	5
	Total formula weight	879.1
All*	Total formula weight	67325.8

*Water molecules are not included.