3E1J

Crystal structure of E. coli Bacterioferritin (BFR) with an unoccupied ferroxidase centre (APO-BFR).

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	158	18518.0	12	UniProt (P0ABD3) Pfam (PF00210)	Escherichia coli K12	BFR, Cytochrome b-1, Cytochrome b-557
2	AA, CA, DA, FA, GA... (H, I, J, K, L...)	SULFATE ION	non-polymer		96.1	16	Chemie (SO4)
3	BA, EA, HA, Q, S... (H, J, L, B, C...)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	6	Chemie (HEM)
4	IA, JA, KA, LA, MA... (A, B, C, D, E...)	water	water		18.0	399	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	222216.2
Non-Polymers*	Number of molecules	22
	Total formula weight	5235.9
All*	Total formula weight	227452.1

*Water molecules are not included.