7KNR

The crystal structure of the I38T mutant PA endonuclease (2009/H1N1/California) in complex with SJ000988558

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Protein PA-X	polymer	197	23136.3	1	UniProt (A0A4D6EED0) UniProt (C6H0Y9) Pfam (PF00603) In PDB	Influenza A virus
2	A	MANGANESE (II) ION	non-polymer		54.9	2	Chemie (MN)
3	A	2-(2,6-difluorophenyl)-5-hydroxy-N-[2-(4-hydroxy-3-methoxyphenyl)ethyl]-6-oxo-3,6-dihydropyrimidine-4-carboxamide	non-polymer		417.4	1	Chemie (WTD)
4	A	Hexa Vinylpyrrolidone K15	non-polymer		668.9	1	Chemie (QQ4)
5	A	SULFATE ION	non-polymer		96.1	3	Chemie (SO4)
6		water	water		18.0	31	Chemie (HOH)

Sequence modifications

A: 1 - 50 (UniProt: A0A4D6EED0)

PDB	External Database	Details
Met -19	-	expression tag
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag
Gly 51	-	linker
Gly 52	-	linker
Ser 53	-	linker

A: 73 - 196 (UniProt: C6H0Y9)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	23136.3
Non-Polymers*	Number of molecules	7
	Total formula weight	1484.3
All*	Total formula weight	24620.6

*Water molecules are not included.