4ENF

Crystal structure of the cap-binding domain of polymerase basic protein 2 from influenza virus A/Puerto Rico/8/34(h1n1)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Polymerase basic protein 2	polymer	170	19302.5	1	UniProt (P03428) Pfam (PF00604) In PDB	Influenza A virus	RNA-directed RNA polymerase subunit P3
2	A	NITRATE ION	non-polymer		62.0	2	Chemie (NO3)
3	A	1,4-BUTANEDIOL	non-polymer		90.1	2	Chemie (BU1)
4		water	water		18.0	221	Chemie (HOH)

Sequence modifications

A: 318 - 483 (UniProt: P03428)

PDB	External Database	Details
Gly 314	-	expression tag
Ser 315	-	expression tag
His 316	-	expression tag
Met 317	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	19302.5
Non-Polymers*	Number of molecules	4
	Total formula weight	304.3
All*	Total formula weight	19606.7

*Water molecules are not included.