2CHP

Crystal structure of the dodecameric ferritin MrgA from B. subtilis 168

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	METALLOREGULATION DNA-BINDING STRESS PROTEIN	polymer	153	17349.3	4	UniProt (P37960) Pfam (PF00210) In PDB	BACILLUS SUBTILIS SUBSP. SUBTILIS STR. 168	MRGA
2	B, D	PHOSPHATE ION	non-polymer		95.0	2	Chemie (PO4)
3		water	water		18.0	403	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	69397.1
Non-Polymers*	Number of molecules	2
	Total formula weight	189.9
All*	Total formula weight	69587.0

*Water molecules are not included.