Protein Name:
DNA-directed RNA polymerases II, IV and V subunit 3
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UniprotKB/SwissProt ID: Q39211 (Q39211)
Gene Name:
NRPB3
Organism: Arabidopsis thaliana (Mouse-ear cress)
Function: DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. Component of RNA polymerase II which synthesizes mRNA precursors and many functional non-coding RNAs. Pol II is the central component of the basal RNA polymerase II transcription machinery. It is composed of mobile elements that move relative to each other. NRPB3 is part of the core element with the central large cleft and the clamp element that moves to open and close the cleft. Component of RNA polymerases IV and V which mediate short-interfering RNAs (siRNA) accumulation and subsequent RNA-directed DNA methylation-dependent (RdDM) transcriptional gene silencing (TGS) of endogenous repeated sequences, including transposable elements
Other Modifications: View all modification sites in dbPTM
Protein Subcellular Localization: Nucleus
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Graphical Visualization of S-nitrosylation Sites:
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