4OER

Crystal structure of NikA from Brucella suis, unliganded form

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	NikA protein	polymer	500	55540.7	2	UniProt (Q9AL82) Pfam (PF00496)	Brucella suis
2	C, D, E, F, G... (A, B)	GLYCEROL	non-polymer		92.1	13	Chemie (GOL)
3	K, L, R, S (A, B)	SULFATE ION	non-polymer		96.1	4	Chemie (SO4)
4	T, U (A, B)	water	water		18.0	752	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	111081.4
Non-Polymers*	Number of molecules	17
	Total formula weight	1581.5
All*	Total formula weight	112662.8

*Water molecules are not included.