3J9B

Electron cryo-microscopy of an RNA polymerase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, D (A, H)	Polymerase	polymer	509	56930.7	2	UniProt (Q91R78)	Influenza A virus
2	B, E (B, I)	RNA-directed RNA polymerase catalytic subunit	polymer	440	38085.7	2	UniProt (Q9Q0V0)	Influenza A virus	Polymerase basic protein 1, PB1, RNA-directed RNA polymerase subunit P1
3	C, F (C, J)	Polymerase basic protein 2	polymer	66	5634.9	2		Influenza A virus	RNA-directed RNA polymerase subunit P3
4	G, I (D, K)	RNA (5'-R(P*AP*AP*AP*AP*AP*A)-3')	polymer	6	1930.3	2		synthetic construct
5	H (E)	RNA (5'-R(*UP*UP*UP*UP*UP*A)-3')	polymer	6	1815.1	1		synthetic construct
6	J (L)	RNA (5'-R(P*UP*UP*UP*UP*UP*U)-3')	polymer	6	1792.0	1		synthetic construct

Sequence modifications

A, H: 204 - 258 (PDB: 3J9B)
A, H: 259 - 716 (UniProt: Q91R78)

PDB	External Database	Details
Glu 553	Ala 553	conflict
Thr 567	Ala 567	conflict

B, I: 1 - 24 (UniProt: Q9Q0V0)
B, I: 36 - 621 (PDB: 3J9B)

Contents of the asymmetric unit

Polymers	Number of chains	10
	Total formula weight	208770.4
All*	Total formula weight	208770.4

*Water molecules are not included.