8GCJ

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, C, D, E... (A, C, E, F, B...)	Proliferating cell nuclear antigen	polymer	261	28795.8	6	UniProt (P12004) Pfam (PF00705) Pfam (PF02747)	Homo sapiens (human)	PCNA,Cyclin
2	G, H, I, J, K (A, C, E, F, D)	water	water		18.0	123	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	172774.5
All*	Total formula weight	172774.5

*Water molecules are not included.