3VNB

Structural insights into small RNA sorting and mRNA binding by Arabidopsis Ago domains

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Protein argonaute 1	polymer	155	17613.6	1	UniProt (O04379) Pfam (PF16487) In PDB	Arabidopsis thaliana (mouse-ear cress)
2	A	SULFATE ION	non-polymer		96.1	4	Chemie (SO4)
3		water	water		18.0	141	Chemie (HOH)

Sequence modifications

A: 594 - 741 (UniProt: O04379)

PDB	External Database	Details
Lys 686	-	insertion
Lys 687	Asn 684	engineered mutation
Ser 688	Gly 686	engineered mutation
Asp 689	Ser 687	engineered mutation
His 742	-	expression tag
His 743	-	expression tag
His 744	-	expression tag
His 745	-	expression tag
His 746	-	expression tag
His 747	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	17613.6
Non-Polymers*	Number of molecules	4
	Total formula weight	384.3
All*	Total formula weight	17997.8

*Water molecules are not included.