1N25

Crystal structure of the SV40 Large T antigen helicase domain

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)	Large T Antigen	polymer	368	42501.3	2	UniProt (P03070) Pfam (PF06431)	Simian virus 40
2	C, D (A, B)	ZINC ION	non-polymer		65.4	2	Chemie (ZN)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	85002.6
Non-Polymers*	Number of molecules	2
	Total formula weight	130.8
All*	Total formula weight	85133.4

*Water molecules are not included.