2VXI

The binding of heme and zinc in Escherichia coli Bacterioferritin

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	BFR, CYTOCHROME B-1, CYTOCHROME B-557
2	FA, FB, KA, KB, M... (D, I, E, J, A...)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	12	Chemie (HEM)
3	AA, AB, BA, BB, GA... (C, H, D, I, E...)	ZINC ION	non-polymer		65.4	24	Chemie (ZN)
4	CA, CB, DA, DB, EA... (C, H, D, I, E...)	SULFATE ION	non-polymer		96.1	29	Chemie (SO4)
5	AC, BC, CC, DC, EC... (B, C, D, E, F...)	water	water		18.0	2208	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	222216.2
Non-Polymers*	Number of molecules	65
	Total formula weight	11753.5
All*	Total formula weight	233969.7

*Water molecules are not included.