6HMB

STRUCTURE OF PROTEIN KINASE CK2 CATALYTIC SUBUNIT (ISOFORM CK2ALPHA'; CSNK2A2 Gene product) IN COMPLEX WITH the inhibitor CX-4945 (Silmitasertib)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Casein kinase II subunit alpha'	polymer	364	42879.9	1	UniProt (P19784) Pfam (PF00069)	Homo sapiens (Human)	CK II alpha'
2	B, C, D, E, F... (A)	1,2-ETHANEDIOL	non-polymer		62.1	10	Chemie (EDO)
3	L, M (A)	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
4	N (A)	5-[(3-chlorophenyl)amino]benzo[c][2,6]naphthyridine-8-carboxylic acid	non-polymer		349.8	1	Chemie (3NG)
5	O (A)	water	water		18.0	448	Chemie (HOH)

Sequence modifications

A: 1 - 350 (UniProt: P19784)

PDB	External Database	Details
Met -13	-	initiating methionine
Gly -12	-	expression tag
Ser -11	-	expression tag
Ser -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
Ser -3	-	expression tag
Gln -2	-	expression tag
Asp -1	-	expression tag
Pro 0	-	expression tag
Ser 336	Cys 336	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	42879.9
Non-Polymers*	Number of molecules	13
	Total formula weight	1041.4
All*	Total formula weight	43921.2

*Water molecules are not included.