1SVO

Structure of 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	large T antigen	polymer	377	43541.4	2	UniProt (P03070) Pfam (PF06431) In PDB	Simian virus 40
2	A, B	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
3		water	water		18.0	188	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	87082.8
Non-Polymers*	Number of molecules	2
	Total formula weight	130.8
All*	Total formula weight	87213.7

*Water molecules are not included.