Cryo-EM structure of Arabidopsis Ago10-guide-target RNA complex in a central duplex conformation

The molecular mechanism of microRNA duplex selectivity of Arabidopsis ARGONAUTE10.

The complex of Arabidopsis Argonaute10 with a synthetic guide RNA and a target pairing to 2-16nt of guide guide

RNA (5'-R(P*UP*GP*GP*AP*GP*UP*GP*UP*GP*AP*CP*AP*AP*UP*GP*GP*U)-3')

RNA (5'-R(P*CP*CP*AP*UP*UP*GP*UP*CP*AP*CP*AP*CP*UP*CP*CP*AP*A)-3')

MPIRQMKDSSETHLVIKTQPLKHHNPKTVQNGKIPPPSPSPVTVTTPATVTQSQASSPSPPSKNRSRRRNRGGRKSDQGD
VCMRPSSRPRKPPPPSQTTSSAVSVATAGEIVAVNHQMQMGVRKNSNFAPRPGFGTLGTKCIVKANHFLADLPTKDLNQY
DVTITPEVSSKSVNRAIIAELVRLYKESDLGRRLPAYDGRKSLYTAGELPFTWKEFSVKIVDEDDGIINGPKRERSYKVA
IKFVARANMHHLGEFLAGKRADCPQEAVQILDIVLRELSVKRFCPVGRSFFSPDIKTPQRLGEGLESWCGFYQSIRPTQM
GLSLNIDMASAAFIEPLPVIEFVAQLLGKDVLSKPLSDSDRVKIKKGLRGVKVEVTHRANVRRKYRVAGLTTQPTRELMF
PVDENCTMKSVIEYFQEMYGFTIQHTHLPCLQVGNQKKASYLPMEACKIVEGQRYTKRLNEKQITALLKVTCQRPRDREN
DILRTVQHNAYDQDPYAKEFGMNISEKLASVEARILPAPWLKYHENGKEKDCLPQVGQWNMMNKKMINGMTVSRWACVNF
SRSVQENVARGFCNELGQMCEVSGMEFNPEPVIPIYSARPDQVEKALKHVYHTSMNKTKGKELELLLAILPDNNGSLYGD
LKRICETELGLISQCCLTKHVFKISKQYLANVSLKINVKMGGRNTVLVDAISCRIPLVSDIPTIIFGADVTHPENGEESS
PSIAAVVASQDWPEVTKYAGLVCAQAHRQELIQDLYKTWQDPVRGTVSGGMIRDLLISFRKATGQKPLRIIFYRAGVSEG
QFYQVLLYELDAIRKACASLEPNYQPPVTFIVVQKRHHTRLFANNHRDKNSTDRSGNILPGTVVDTKICHPTEFDFYLCS
HAGIQGTSRPAHYHVLWDENNFTADGIQSLTNNLCYTYARCTRSVSIVPPAYYAHLAAFRARFYLEPEIMQDNGSPGKKN
TKTTTVGDVGVKPLPALKENVKRVMFYC

National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

miRNA, siRNA, RNA silencing, Argonaute, plant, GENE REGULATION

MPIRQMKDSSETHLVIKTQPLKHHNPKTVQNGKIPPPSPSPVTVTTPATVTQSQASSPSPPSKNRSRRRNRGGRKSDQGD
VCMRPSSRPRKPPPPSQTTSSAVSVATAGEIVAVNHQMQMGVRKNSNFAPRPGFGTLGTKCIVKANHFLADLPTKDLNQY
DVTITPEVSSKSVNRAIIAELVRLYKESDLGRRLPAYDGRKSLYTAGELPFTWKEFSVKIVDEDDGIINGPKRERSYKVA
IKFVARANMHHLGEFLAGKRADCPQEAVQILDIVLRELSVKRFCPVGRSFFSPDIKTPQRLGEGLESWCGFYQSIRPTQM
GLSLNIDMASAAFIEPLPVIEFVAQLLGKDVLSKPLSDSDRVKIKKGLRGVKVEVTHRANVRRKYRVAGLTTQPTRELMF
PVDENCTMKSVIEYFQEMYGFTIQHTHLPCLQVGNQKKASYLPMEACKIVEGQRYTKRLNEKQITALLKVTCQRPRDREN
DILRTVQHNAYDQDPYAKEFGMNISEKLASVEARILPAPWLKYHENGKEKDCLPQVGQWNMMNKKMINGMTVSRWACVNF
SRSVQENVARGFCNELGQMCEVSGMEFNPEPVIPIYSARPDQVEKALKHVYHTSMNKTKGKELELLLAILPDNNGSLYGD
LKRICETELGLISQCCLTKHVFKISKQYLANVSLKINVKMGGRNTVLVDAISCRIPLVSDIPTIIFGADVTHPENGEESS
PSIAAVVASQDWPEVTKYAGLVCAQAHRQELIQDLYKTWQDPVRGTVSGGMIRDLLISFRKATGQKPLRIIFYRDGVSEG
QFYQVLLYELDAIRKACASLEPNYQPPVTFIVVQKRHHTRLFANNHRDKNSTDRSGNILPGTVVDTKICHPTEFDFYLCS
HAGIQGTSRPAHYHVLWDENNFTADGIQSLTNNLCYTYARCTRSVSIVPPAYYAHLAAFRARFYLEPEIMQDNGSPGKKN
TKTTTVGDVGVKPLPALKENVKRVMFYC