Summary

Name POLR3C
Full Name DNA-directed RNA polymerase III subunit RPC3
Synonyms RNA polymerase III subunit C3, DNA-directed RNA polymerase III subunit C, RNA polymerase III 62 kDa subunit, RPC62 |
Primary ID Q9BUI4
Links - -
Type protein
Relations 1
Function DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. Specific core component of RNA polymerase III which synthesizes small RNAs, such as 5S rRNA and tRNAs. May direct with other members of the subcomplex RNA Pol III binding to the TFIIIB-DNA complex via the interactions between TFIIIB and POLR3F. May be involved either in the recruitment and stabilization of the subcomplex within RNA polymerase III, or in stimulating catalytic functions of other subunits during initiation. Plays a key role in sensing and limiting infection by intracellular bacteria and DNA viruses. Acts as nuclear and cytosolic DNA sensor involved in innate immune response. Can sense non-self dsDNA that serves as template for transcription into dsRNA. The non-self RNA polymerase III transcripts, such as Epstein-Barr virus-encoded RNAs (EBERs) induce type I interferon and NF- Kappa-B through the RIG-I pathway. Preferentially binds single-stranded DNA (ssDNA) in a sequence-independent manner (PubMed:21358628).

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Relations

Regulator Mechanism target score
+ form complex img/form-complex.png binding RNA Polymerase III 0.878
Publications: 1 Organism: Homo Sapiens