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... (A, B, C, D, E...)	REPLICATION PROTEIN E1	polymer	305	34645.0	12	UniProt (P03116) Pfam (PF00519)	BOVINE PAPILLOMAVIRUS TYPE 1	ATP-DEPENDENT HELICASE E1, E1 HELICASE
2	BA, CA, EA, FA, HA... (H, I, J, K, L...)	PHOSPHATE ION	non-polymer		95.0	18	Chemie (PO4)
3	AA, DA, GA, O, R... (G, H, I, A, B...)	MAGNESIUM ION	non-polymer		24.3	6	Chemie (MG)
4	KA, LA, MA, NA, OA... (A, B, C, D, E...)	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.