8DH3

T7 RNA polymerase elongation complex with unnatural base dPa

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, E, I, M (B, E, I, M)	T7 RNA polymerase	polymer	883	98984.2	4	UniProt (P00573) Pfam (PF14700) Pfam (PF00940)	Escherichia phage T7	DNA-directed RNA polymerase
2	B, F, J, N (A, F, J, N)	Template strand DNA	polymer	18	5510.6	4		synthetic construct
3	C, G, K, O (C, G, K, O)	RNA	polymer	12	3851.4	4		synthetic construct
4	D, H, L, P (D, H, L, P)	Non-template strand DNA	polymer	9	2666.8	4		synthetic construct

Contents of the asymmetric unit

Polymers	Number of chains	16
	Total formula weight	444051.7
All*	Total formula weight	444051.7

*Water molecules are not included.