7KX9

Cryo-EM structure of Ephydatia fluviatilis PiwiA-piRNA-target complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Piwi-A	polymer	768	88232.6	1	UniProt (D5MRY8) Pfam (PF02170) Pfam (PF02171) In PDB	Ephydatia fluviatilis	Piwi
2	B	RNA (5'-R(P*UP*CP*UP*CP*UP*UP*GP*AP*GP*UP*UP*GP*GP*AP*CP*AP*AP*AP*UP*GP*GP*CP*AP*(OMG))-3')	polymer	24	7724.6	1		synthetic construct
3	C	RNA (5'-R(P*UP*GP*UP*CP*CP*AP*AP*CP*UP*CP*AP*AP*GP*AP*GP*A)-3')	polymer	16	5105.1	1		synthetic construct
4	A	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	101062.3
Non-Polymers*	Number of molecules	2
	Total formula weight	48.6
All*	Total formula weight	101111.0

*Water molecules are not included.