5WW4

Crystal structure of the second DNA-Binding protein under starvation from Mycobacterium smegmatis soaked with iron in the ratio of 48 iron atoms per dodecamer

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 (A, B, C, D)	Putative starvation-induced DNA protecting protein/Ferritin and Dps	polymer	161	17854.9	4	UniProt (A0QXB7) Pfam (PF00210)	Mycobacterium smegmatis str. MC2 155	MsDps2, Starvation-inducible DNA-binding protein or fine tangled pili major subunit
2	E, H, M, N (A, B, C, D)	FE (III) ION	non-polymer		55.8	4	Chemie (FE)
3	F, K (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
4	G, L (A, B)	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
5	I, J, O, P (B, D)	FE (II) ION	non-polymer		55.8	4	Chemie (FE2)
6	Q, R, S, T (A, B, C, D)	water	water		18.0	324	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	71419.5
Non-Polymers*	Number of molecules	12
	Total formula weight	566.3
All*	Total formula weight	71985.7

*Water molecules are not included.