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DICER1
Double-stranded RNA (dsRNA) endoribonuclease playing a central role in short dsRNA-mediated post-transcriptional gene silencing. Cleaves naturally occurring long dsRNAs and short hairpin pre-microRNAs (miRNA) into fragments of twenty-one to twenty-three nucleotides with 3 overhang of two nucleotides, producing respectively short interfering RNAs (siRNA) and mature microRNAs. SiRNAs and miRNAs serve as guide to direct the RNA-induced silencing complex (RISC) to complementary RNAs to degrade them or prevent their translation. Gene silencing mediated by siRNAs, also called RNA interference, controls the elimination of transcripts from mobile and repetitive DNA elements of the genome but also the degradation of exogenous RNA of viral origin for instance. The miRNA pathway on the other side is a mean to specifically regulate the expression of target genes.
Protein class
Cancer-related genes, Disease related genes, Enzymes, Human disease related genes, Plasma proteins, Potential drug targets
Predicted location
Intracellular
Single cell type specificity
Cell type enhanced (Oligodendrocytes)
Immune cell specificity
Low immune cell specificity
Cell line specificity
Low cell line specificity
Interaction
Component of the RISC loading complex (RLC), or micro-RNA (miRNA) loading complex (miRLC), which is composed of DICER1, AGO2 and TARBP2; DICER1 and TARBP2 are required to process precursor miRNAs (pre-miRNAs) to mature miRNAs and then load them onto AGO2. Note that the trimeric RLC/miRLC is also referred to as RISC. Interacts with DHX9, AGO1, PIWIL1 and PRKRA. Associates with the 60S ribosome. Interacts with BCDIN3D. Interacts with AGO2, TARBP2, EIF6, MOV10 and RPL7A (60S ribosome subunit); they form a large RNA-induced silencing complex (RISC) (PubMed:17507929). Interacts (via Dicer dsRNA-binding fold domain) with ALOX5 (via PLAT domain); this interaction enhances arachidonate 5-lipoxygenase activity and modifies the miRNA precursor processing activity of DICER1 (PubMed:19022417). (Microbial infection) Interacts with ebolavirus transcriptional activator VP30; this interaction prevents TARBP2/TRBP binding to DICER1 and thus allows the virus to counteract host RNA silencing. (Microbial infection) Interacts with ebolavirus transcriptional activator VP35; this interaction prevents TARBP2/TRBP binding to DICER1 and thus allows the virus to counteract host RNA silencing.
Molecular function
Endonuclease, Helicase, Hydrolase, Nuclease, RNA-binding
More Types Infomation
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- Derivation: Phage display library
- Species Reactivity: Human
- Type: Rabbit IgG
- Application: WB, ICC, FC
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- Species Reactivity: Human
- Application: ChIP, GSA, ICC/IF, IHC-P, WB
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- Derivation: Mouse
- Species Reactivity: Human
- Type: Mouse IgG1, κ
- Application: WB, IP, IF, IHC, ELISA
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For Research Use Only. Not For Clinical Use.