4N9J

Crystal structure of the cryptic polo box domain of human Plk4

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)	Serine/threonine-protein kinase PLK4	polymer	228	26389.1	2	UniProt (O00444) Pfam (PF18190) Pfam (PF18409)	Homo sapiens (human)	Polo-like kinase 4, PLK-4, Serine/threonine-protein kinase 18, Serine/threonine-protein kinase Sak
2	C, E, F, G, H... (A, B)	CHLORIDE ION	non-polymer		35.5	6	Chemie (CL)
3	D, J (A, B)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
4	K, L (A, B)	water	water		18.0	113	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	52778.2
Non-Polymers*	Number of molecules	8
	Total formula weight	404.8
All*	Total formula weight	53183.1

*Water molecules are not included.