2V9P

Crystal structure of papillomavirus E1 hexameric helicase DNA-free form

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...	REPLICATION PROTEIN E1	polymer	305	34645.0	12	UniProt (P03116) Pfam (PF00519) In PDB	BOVINE PAPILLOMAVIRUS TYPE 1	ATP-DEPENDENT HELICASE E1, E1 HELICASE
2	H, I, J, K, L...	PHOSPHATE ION	non-polymer		95.0	18	Chemie (PO4)
3	G, H, I, A, B...	MAGNESIUM ION	non-polymer		24.3	6	Chemie (MG)
4		water	water		18.0	35	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	415740.2
Non-Polymers*	Number of molecules	24
	Total formula weight	1855.3
All*	Total formula weight	417595.5

*Water molecules are not included.