1W60

NATIVE HUMAN PCNA

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)	PROLIFERATING CELL NUCLEAR ANTIGEN	polymer	261	28795.8	2	UniProt (P12004) Pfam (PF00705) Pfam (PF02747)	HOMO SAPIENS (HUMAN)	PCNA, CYCLIN
2	C, D (A, B)	water	water		18.0	58	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	57591.5
All*	Total formula weight	57591.5

*Water molecules are not included.