6YEM

H1N1 2009 PA Endonuclease in complex with Quambalarine B

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Polymerase acidic protein,Polymerase acidic protein	polymer	186	21640.6	1	UniProt (C3W5X6) In PDB	Influenza A virus (A/California/07/2009(H1N1))	RNA-directed RNA polymerase subunit P2,RNA-directed RNA polymerase subunit P2
2	A	MANGANESE (II) ION	non-polymer		54.9	2	Chemie (MN)
3	A	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
4	A	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
5	A	3,5,6,8-tetrakis(oxidanyl)-2-pentanoyl-naphthalene-1,4-dione	non-polymer		306.3	1	Chemie (OOH)
6		water	water		18.0	19	Chemie (HOH)

Sequence modifications

A: 1 - 50 (UniProt: C3W5X6)

PDB	External Database	Details
Ser -8	-	expression tag
Gly -7	-	expression tag
Ser -6	-	expression tag
Gly -5	-	expression tag
Ser -4	-	expression tag
Gly -3	-	expression tag
Ser -2	-	expression tag
Gly -1	-	expression tag
Ser 0	-	expression tag

A: 73 - 196 (UniProt: C3W5X6)

PDB	External Database	Details
Gly 51	-	linker
Gly 52	-	linker
Ser 53	-	linker

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	21640.6
Non-Polymers*	Number of molecules	5
	Total formula weight	475.9
All*	Total formula weight	22116.5

*Water molecules are not included.