Protein
DExH-box ATP-dependent RNA helicase DExH10
Organism
Arabidopsis thaliana
Function
ATP-dependent RNA helicase that associates with the RNA exosome complex, with the cap binding complex (CBC) and with the NEXT-like complex. Involved in the degradation of a large number of non-coding nuclear exosome substrates such as snoRNA and miRNA precursors, incompletely spliced mRNAs, and spurious transcripts produced from pseudogenes and intergenic regions (PubMed:25144737). Involved in the maintenance of homeotic B and C gene expression in the reproductive whorls. Regulates floral organ spacing and identity, probably through the regulation of protein synthesis or mRNA degradation (PubMed:11923195).
Similarity
Belongs to the DExH box helicase family. SKI2 subfamily.
Sequence
MSAQMEEPETLGKRKESESSKLRSDETPTPEPRTKRRSLKRACVHEVAVPNDYTPTKEETIHGTLDNPVFNGDMAKTYPFKLDPFQSVSVACLERKESILVSAHTSAGKTAVAEYAIAMAFRDKQRVIYTSPLKALSNQKYRELQHEFKDVGLMTGDVTLSPNASCLVMTTEILRAMLYRGSEVLKEVAWVIFDEIHYMKDRERGVVWEESIIFLPPAIKMVFLSATMSNATEFAEWICYLHKQPCHVVYTDFRPTPLQHYAFPMGGGGLYLVVDDNEQFREDSFVKMQDTFPKPKSNDGKKSANGKSGGRGAKGGGGPGDSDVYKIVKMIMERKFEPVIIFSFSRRECEQHALSMSKLDFNTDEEKEVVEQVFNNAMQCLNEEDRSLPAIELMLPLLQRGIAVHHSGLLPVIKELVELLFQEGLVKALFATETFAMGLNMPAKTVVFTAVKKWDGDSHRYIGSGEYIQMSGRAGRRGKDERGICIIMIDEQMEMNTLRDMMLGKPAPLLSTFRLSYYTILNLLSRAEGQFTAEHVIRHSFHQFQHEKALPDIGNKVSKLEEEAAILNASGEAEVAEYHNLQFDIAKHEKKLMSEIIRPERVLCFLDTGRLVKIREGGTDWGWGVVVNVVKNSSVGTGSASSHGGGYIVDTLLHCSTGFSENGAKPKPCPPRAGEKGEMHVVPVQLPLISALSRLRISVPSDLRPVEARQSILLALQELSSRFPLGFPKLHPVKDMNIQDTEIVDLVSQIEEVEQKLLAHPMHKSEDDQQIKSFQRKAEVNYEIQQLKSKMRDSQLQKFRDELKNRSRVLKKLGHIDADGVVQVKGRAACLIDTGDELLVTELMFNGTFNDLDHHQVAALASCFIPVDKSNEQVNLRNELTKPLQQLQDSARKIAEIQHECKLEIDVEEYVESTIRPFLMDVIYSWSKGASFAEIIQMTDIFEGSIIRSARRLDEFLNQLRAAAEAVGESSLESKFAAASESLRRGIMFANSLYL