4U6O

STRUCTURE OF THE CAP-BINDING DOMAIN OF INFLUENZA VIRUS POLYMERASE SUBUNIT PB2

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Polymerase basic protein 2	polymer	166	18889.0	2	UniProt (P03428) Pfam (PF00604) In PDB	Influenza A virus (strain A/Puerto Rico/8/1934 H1N1)	RNA-directed RNA polymerase subunit P3
2	A, B	PHOSPHATE ION	non-polymer		95.0	2	Chemie (PO4)
3		water	water		18.0	258	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	37778.0
Non-Polymers*	Number of molecules	2
	Total formula weight	189.9
All*	Total formula weight	37968.0

*Water molecules are not included.