4AWH

Influenza strain pH1N1 2009 polymerase subunit PA endonuclease in complex with rUMP

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D	POLYMERASE PA	polymer	204	23939.3	4	UniProt (C3W5S0) In PDB	INFLUENZA VIRUS
2	A, B, C, D	MANGANESE (II) ION	non-polymer		54.9	8	Chemie (MN)
3	A, B, C, D	URIDINE-5'-MONOPHOSPHATE	non-polymer		324.2	4	Chemie (U5P)
4		water	water		18.0	213	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 198 (UniProt: C3W5S0)

PDB	External Database	Details
Met -5	-	expression tag
Gly -4	-	expression tag
Ser -3	-	expression tag
Gly -2	-	expression tag
Met -1	-	expression tag
Ala 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	95757.2
Non-Polymers*	Number of molecules	12
	Total formula weight	1736.2
All*	Total formula weight	97493.4

*Water molecules are not included.