Unconventional prefoldin RPB5 interactor, also called URI1, is a protein that in humans is encoded by the URI1 gene. [5] [6] [7]
The protein encoded by this gene binds to RNA polymerase II subunit 5 (RPB5) and negatively modulates transcription through its binding to RPB5. The encoded protein seems to have inhibitory effects on various types of activated transcription, but it requires the RPB5-binding region. This protein acts as a corepressor. It is suggested that it may require signaling processes for its function or that it negatively modulates genes in the chromatin structure. Two alternatively spliced transcript variants encoding different isoforms have been described for this gene. [7]
URI1 has been shown to interact with DMAP1 [8] and STAP1. [9]
The ARNT gene encodes the aryl hydrocarbon receptor nuclear translocator protein that forms a complex with ligand-bound aryl hydrocarbon receptor (AhR), and is required for receptor function. The encoded protein has also been identified as the beta subunit of a heterodimeric transcription factor, hypoxia-inducible factor 1 (HIF1). A t(1;12)(q21;p13) translocation, which results in a TEL-ARNT fusion protein, is associated with acute myeloblastic leukemia. Three alternatively spliced variants encoding different isoforms have been described for this gene.
Transcription factor E2F1 is a protein that in humans is encoded by the E2F1 gene.
DNA-directed RNA polymerases I, II, and III subunit RPABC1 is a protein that in humans is encoded by the POLR2E gene.
Methyl-CpG-binding domain protein 2 is a protein that in humans is encoded by the MBD2 gene.
RuvB-like 2 , also known as RUVBL2, is a human gene coding for a protein belonging to the AAA+ family of proteins.
MHC class II regulatory factor RFX1 is a protein that, in humans, is encoded by the RFX1 gene located on the short arm of chromosome 19.
Mitochondrial transcription factor A, abbreviated as TFAM or mtTFA, is a protein that in humans is encoded by the TFAM gene.
DNA methyltransferase 1-associated protein 1 is an enzyme that in humans is encoded by the DMAP1 gene.
Transcription factor NF-E2 45 kDa subunit is a protein that in humans is encoded by the NFE2 gene.
Nuclear transcription factor Y subunit gamma is a protein that in humans is encoded by the NFYC gene.
Prefoldin subunit 1 is a protein that in humans is encoded by the PFDN1 gene.
General transcription factor 3C polypeptide 2 is a protein that in humans is encoded by the GTF3C2 gene.
POZ-, AT hook-, and zinc finger-containing protein 1 is a protein that in humans is encoded by the PATZ1 gene.
Signal-transducing adaptor protein 1 is a protein that in humans is encoded by the STAP1 gene.
Prefoldin subunit 2 is a protein that in humans is encoded by the PFDN2 gene.
Prefoldin subunit 4 is a protein that in humans is encoded by the PFDN4 gene.
General transcription factor IIF subunit 2 is a protein that in humans is encoded by the GTF2F2 gene.
Transcription factor RFX3 is a protein that in humans is encoded by the RFX3 gene.
Rab9 effector protein with Kelch motifs also known as p40 is a protein that in humans is encoded by the RABEPK gene.
S-phase kinase-associated protein 1 is an enzyme that in humans is encoded by the SKP1 gene.