1SOF

Crystal structure of the azotobacter vinelandii bacterioferritin at 2.6 A resolution

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...)	Bacterioferritin	polymer	156	18127.7	8	UniProt (P22759) Pfam (PF00210)	Azotobacter vinelandii	BFR, Cytochrome B-557.5
2	AA, BA, DA, EA, HA... (E, F, G, A, H...)	FE (II) ION	non-polymer		55.8	16	Chemie (FE2)
3	FA, GA, JA, K, NA... (F, G, A, H, B...)	MAGNESIUM ION	non-polymer		24.3	10	Chemie (MG)
4	L, Z (A, D)	BARIUM ION	non-polymer		137.3	2	Chemie (BA)
5	CA, KA, P, T (E, G, B, C)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	4	Chemie (HEM)
6	OA, PA, QA, RA, SA... (A, B, C, D, E...)	water	water		18.0	210	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	145021.5
Non-Polymers*	Number of molecules	32
	Total formula weight	3877.2
All*	Total formula weight	148898.7

*Water molecules are not included.