3QA0

Crystal structure of the apo-form of human CK2 alpha at pH 6.5

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)	Casein kinase II subunit alpha	polymer	336	40153.8	2	UniProt (P68400) Pfam (PF00069)	Homo sapiens (human)	CK2alpha, CK II alpha
2	C, D, E, I, J... (A, B)	SULFATE ION	non-polymer		96.1	7	Chemie (SO4)
3	F, G, H, M, N (A, B)	1,2-ETHANEDIOL	non-polymer		62.1	5	Chemie (EDO)
4	O, P (A, B)	water	water		18.0	229	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	80307.6
Non-Polymers*	Number of molecules	12
	Total formula weight	982.8
All*	Total formula weight	81290.4

*Water molecules are not included.