6WS3

The crystal structure of the 2009/H1N1/California PA endonuclease wild type bound to DNA oligomers TG and AGCA (from cleaved GTGAGCAGTG)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Protein PA-X,Polymerase acidic protein	polymer	197	23148.3	1	UniProt (A0A4P2TE19) UniProt (C6H0Y9) Pfam (PF00603)	Influenza A virus
2	B, C (F, E)	DNA (5'-D(P*TP*G)-3')	polymer	10	3125.1	2		synthetic construct
3	D, E (A)	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
4	F (A)	MANGANESE (II) ION	non-polymer		54.9	1	Chemie (MN)
5	G, H (A)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
6	I, J, K (A, F, E)	water	water		18.0	77	Chemie (HOH)

Sequence modifications

A: 1 - 50 (UniProt: A0A4P2TE19)

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	3
	Total formula weight	29398.4
Non-Polymers*	Number of molecules	5
	Total formula weight	431.3
All*	Total formula weight	29829.7

*Water molecules are not included.