4JJR

A P21 crystal form of mammalian casein kinase 1 delta

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 I isoform delta	polymer	299	34726.1	2	UniProt (Q9DC28) Pfam (PF00069)	Mus musculus (mouse)	CKI-delta, CKId, Tau-protein kinase CSNK1D
2	C, D (A, B)	water	water		18.0	87	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	69452.2
All*	Total formula weight	69452.2

*Water molecules are not included.