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DNA-directed RNA polymerase III subunit RPC8; RNA polymerase III subunit C8; DNA-directed RNA polymerase III subunit H; RNA polymerase III 22.9 kD subunit; RPC22.9 (POLR3H, KIAA1665, RPC8)
Function:
- specific peripheral component of RNA polymerase 3
- role in sensing & limiting infection by intracellular bacteria & DNA viruses
- acts as nuclear & 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 3 transcripts, such as Epstein-Barr virus-encoded RNAs (EBERs) induce type 1 interferon & NF- Kappa-B through the RIG-I pathway (putative)
- interacts with CRCP/RPC9
- POLR3H/RPC8 & CRCP/RPC9 probably form an RNA polymerase 3 subcomplex
Structure:
- belongs to the eukaryotic RPB7/RPC8 RNA polymerase subunit family
Compartment: nucleus
Alternative splicing: named isoforms=2
General
nuclear protein
protein subunit
Properties
SIZE: entity length = 204 aa
MW = 23 kD
COMPARTMENT: cell nucleus
Database Correlations
UniProt Q9Y535
PFAM correlations
Entrez Gene 171568
Kegg hsa:171568
References
UniProt :accession Q9Y535
Component-of
RNA polymerase 3