2F8S

Crystal structure of Aa-Ago with externally-bound siRNA

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)	5'-R(P*AP*GP*AP*CP*AP*GP*CP*AP*UP*AP*UP*AP*UP*GP*CP*UP*GP*UP*CP*UP*UP*U)-3'	polymer	22	6981.2	2
2	C, D (A, B)	Argonaute protein	polymer	706	83264.4	2	UniProt (O67434) Pfam (PF22430) Pfam (PF18349) Pfam (PF02171)	Aquifex aeolicus
3	E, F (A, B)	water	water		18.0	30	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	180491.0
All*	Total formula weight	180491.0

*Water molecules are not included.