9QBQ

Crystal structure of apo SPARDA complex from Xanthobacter autotrophicus

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C (A, C)	DUF4365 domain-containing protein	polymer	458	52420.3	2	UniProt (A7ICE8) Pfam (PF14280)	Xanthobacter autotrophicus Py2
2	B, D (B, D)	Protein argonaute	polymer	482	53589.7	2	UniProt (A7ICE9)	Xanthobacter autotrophicus Py2
3	E, F, G, H, I... (A, B, C, D)	SULFATE ION	non-polymer		96.1	16	Chemie (SO4)
4	U, V, W (A, B, C)	water	water		18.0	8	Chemie (HOH)

Sequence modifications

A, C: 1 - 444 (UniProt: A7ICE8)

PDB	External Database	Details
Met -13	-	initiating methionine
Gly -12	-	expression tag
Gly -11	-	expression tag
Ser -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
Gly -3	-	expression tag
Met -2	-	expression tag
Ala -1	-	expression tag
Ser 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	212019.8
Non-Polymers*	Number of molecules	16
	Total formula weight	1537.0
All*	Total formula weight	213556.8

*Water molecules are not included.