2R7I

Crystal structure of catalytic subunit of protein kinase CK2

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	Casein kinase II subunit alpha	polymer	335	40096.8	4	UniProt (P19139) Pfam (PF00069) In PDB	Rattus norvegicus (Rat)	CK II
2	A, B, C, D	SULFATE ION	non-polymer		96.1	8	Chemie (SO4)
3		water	water		18.0	31	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	160387.1
Non-Polymers*	Number of molecules	8
	Total formula weight	768.5
All*	Total formula weight	161155.6

*Water molecules are not included.