5EF9

Structure of Influenza B Lee PB2 cap-binding domain

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Polymerase basic protein 2	polymer	174	20441.5	1	UniProt (Q9QLL6) Pfam (PF00604)	Influenza B virus	RNA-directed RNA polymerase subunit P3
2	B (A)	water	water		18.0	155	Chemie (HOH)

Sequence modifications

A: 320 - 485 (UniProt: Q9QLL6)

PDB	External Database	Details
Met 319	-	initiating methionine
Asp 486	-	expression tag
His 487	-	expression tag
His 488	-	expression tag
His 489	-	expression tag
His 490	-	expression tag
His 491	-	expression tag
His 492	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	20441.5
All*	Total formula weight	20441.5

*Water molecules are not included.