POLR2H

DNA-directed RNA polymerases I, II, and III subunit RPABC3 is a protein that in humans is encoded by the POLR2H gene.

POLR2H
Available structures PDB Ortholog search: PDBe RCSB List of PDB id codes 2F3I, 5FLM, 5IY9, 5IYA, 5IYC, 5IYB, 5IY7, 5IY8, 5IYD, 5IY6
Identifiers
Aliases	POLR2H, RPABC3, RPB17, RPB8, polymerase (RNA) II subunit H, RNA polymerase II subunit H, RNA polymerase II, I and III subunit H
External IDs	OMIM: 606023 MGI: 2384309 HomoloGene: 4540 GeneCards: POLR2H
Gene location (Human) Chr. Chromosome 3 (human) Band 3q27.1 Start 184,361,718 bp End 184,368,596 bp
Gene location (Mouse) Chr. Chromosome 16 (mouse) Band 16|16 B1 Start 20,536,415 bp End 20,541,017 bp
RNA expression pattern Bgee Human Mouse (ortholog) Top expressed in pancreatic ductal cell right lobe of thyroid gland right uterine tube left lobe of thyroid gland right adrenal gland rectum canal of the cervix body of stomach anterior pituitary body of pancreas Top expressed in morula neural tube yolk sac ganglionic eminence ileum bone marrow placenta mesencephalon duodenum adrenal gland More reference expression data BioGPS More reference expression data
Gene ontology Molecular function DNA-directed 5'-3' RNA polymerase activity DNA binding RNA polymerase I activity RNA polymerase II activity RNA polymerase III activity single-stranded DNA binding Cellular component nucleolus RNA polymerase II, core complex nucleoplasm cytosol nucleus RNA polymerase III complex RNA polymerase I complex protein-DNA complex Biological process 7-methylguanosine mRNA capping transcription elongation from RNA polymerase II promoter transcription initiation from RNA polymerase I promoter mRNA splicing, via spliceosome epigenetic maintenance of chromatin in transcription-competent conformation transcription-coupled nucleotide-excision repair termination of RNA polymerase I transcription transcription initiation from RNA polymerase II promoter transcription by RNA polymerase II snRNA transcription by RNA polymerase II fibroblast growth factor receptor signaling pathway transcription by RNA polymerase III RNA metabolic process regulation of gene silencing by miRNA transcription, DNA-templated transcription elongation from RNA polymerase I promoter positive regulation of type I interferon production somatic stem cell population maintenance positive regulation of viral transcription Sources:Amigo / QuickGO
Orthologs Species Human Mouse Entrez 5437 245841 Ensembl ENSG00000163882 ENSMUSG00000021018 UniProt P52434 Q923G2 RefSeq (mRNA) NM_001278698 NM_001278699 NM_001278700 NM_001278714 NM_001278715 NM_006232 NM_001346879 NM_145632 NM_001356423 RefSeq (protein) NP_001265627 NP_001265628 NP_001265629 NP_001265643 NP_001265644 NP_001333808 NP_006223 NP_663607 NP_001343352 Location (UCSC) Chr 3: 184.36 – 184.37 Mb Chr 16: 20.54 – 20.54 Mb PubMed search
Wikidata
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This gene encodes one of the essential subunits of RNA polymerase II that is shared by the other two eukaryotic DNA-directed RNA polymerases, I and III.

Interactions

POLR2H has been shown to interact with POLR2C, POLR2G, POLR2A, POLR2B and POLR2E.

Further reading

• Jeang KT (1998). "Tat, Tat-associated kinase, and transcription". J. Biomed. Sci. 5 (1): 24–7. doi:10.1007/BF02253352. PMID 9570510.
• Yankulov K, Bentley D (1998). "Transcriptional control: Tat cofactors and transcriptional elongation". Curr. Biol. 8 (13): R447–9. Bibcode:1998CBio....8.R447Y. doi:10.1016/S0960-9822(98)70289-1. PMID 9651670. S2CID 15480646.
• Romano G, Kasten M, De Falco G, et al. (2000). "Regulatory functions of Cdk9 and of cyclin T1 in HIV tat transactivation pathway gene expression". J. Cell. Biochem. 75 (3): 357–68. doi:10.1002/(SICI)1097-4644(19991201)75:3<357::AID-JCB1>3.0.CO;2-K. PMID 10536359. S2CID 43685090.
• Marcello A, Zoppé M, Giacca M (2002). "Multiple modes of transcriptional regulation by the HIV-1 Tat transactivator". IUBMB Life. 51 (3): 175–81. doi:10.1080/152165401753544241. PMID 11547919. S2CID 10931640.
• Stevens M, De Clercq E, Balzarini J (2007). "The regulation of HIV-1 transcription: molecular targets for chemotherapeutic intervention". Med Res Rev. 26 (5): 595–625. doi:10.1002/med.20081. PMC 7168390. PMID 16838299.
• Harrich D, McMillan N, Munoz L, et al. (2007). "Will diverse Tat interactions lead to novel antiretroviral drug targets?". Current Drug Targets. 7 (12): 1595–606. doi:10.2174/138945006779025338. PMID 17168834.
• Jang KL, Collins MK, Latchman DS (1992). "The human immunodeficiency virus tat protein increases the transcription of human Alu repeated sequences by increasing the activity of the cellular transcription factor TFIIIC". J. Acquir. Immune Defic. Syndr. 5 (11): 1142–7. PMID 1403646.
• Kato H, Sumimoto H, Pognonec P, et al. (1992). "HIV-1 Tat acts as a processivity factor in vitro in conjunction with cellular elongation factors". Genes Dev. 6 (4): 655–66. doi:10.1101/gad.6.4.655. PMID 1559613.
• Southgate C, Zapp ML, Green MR (1990). "Activation of transcription by HIV-1 Tat protein tethered to nascent RNA through another protein". Nature. 345 (6276): 640–2. Bibcode:1990Natur.345..640S. doi:10.1038/345640a0. PMID 2190099. S2CID 4233742.
• Freund E, McGuire PM (1986). "Characterization of RNA polymerase type II from human term placenta". J. Cell. Physiol. 127 (3): 432–8. doi:10.1002/jcp.1041270312. PMID 3754875. S2CID 11708971.
• Wu-Baer F, Sigman D, Gaynor RB (1995). "Specific binding of RNA polymerase II to the human immunodeficiency virus trans-activating region RNA is regulated by cellular cofactors and Tat". Proc. Natl. Acad. Sci. U.S.A. 92 (16): 7153–7. Bibcode:1995PNAS...92.7153W. doi:10.1073/pnas.92.16.7153. PMC 41297. PMID 7638159.
• Shpakovski GV, Acker J, Wintzerith M, et al. (1995). "Four subunits that are shared by the three classes of RNA polymerase are functionally interchangeable between Homo sapiens and Saccharomyces cerevisiae". Mol. Cell. Biol. 15 (9): 4702–10. doi:10.1128/mcb.15.9.4702. PMC 230713. PMID 7651387.
• Herrmann CH, Rice AP (1995). "Lentivirus Tat proteins specifically associate with a cellular protein kinase, TAK, that hyperphosphorylates the carboxyl-terminal domain of the large subunit of RNA polymerase II: candidate for a Tat cofactor". J. Virol. 69 (3): 1612–20. doi:10.1128/JVI.69.3.1612-1620.1995. PMC 188757. PMID 7853496.
• McKune K, Moore PA, Hull MW, Woychik NA (1996). "Six human RNA polymerase subunits functionally substitute for their yeast counterparts". Mol. Cell. Biol. 15 (12): 6895–900. doi:10.1128/mcb.15.12.6895. PMC 230944. PMID 8524256.
• Keen NJ, Gait MJ, Karn J (1996). "Human immunodeficiency virus type-1 Tat is an integral component of the activated transcription-elongation complex". Proc. Natl. Acad. Sci. U.S.A. 93 (6): 2505–10. Bibcode:1996PNAS...93.2505K. doi:10.1073/pnas.93.6.2505. PMC 39827. PMID 8637904.
• Yang X, Herrmann CH, Rice AP (1996). "The human immunodeficiency virus Tat proteins specifically associate with TAK in vivo and require the carboxyl-terminal domain of RNA polymerase II for function". J. Virol. 70 (7): 4576–84. doi:10.1128/JVI.70.7.4576-4584.1996. PMC 190394. PMID 8676484.
• Agostini I, Navarro JM, Rey F, et al. (1996). "The human immunodeficiency virus type 1 Vpr transactivator: cooperation with promoter-bound activator domains and binding to TFIIB". J. Mol. Biol. 261 (5): 599–606. doi:10.1006/jmbi.1996.0485. PMID 8800208.
• Zhou Q, Sharp PA (1996). "Tat-SF1: cofactor for stimulation of transcriptional elongation by HIV-1 Tat". Science. 274 (5287): 605–10. Bibcode:1996Sci...274..605Z. doi:10.1126/science.274.5287.605. PMID 8849451. S2CID 13266489.
• Okamoto H, Sheline CT, Corden JL, et al. (1996). "Trans-activation by human immunodeficiency virus Tat protein requires the C-terminal domain of RNA polymerase II". Proc. Natl. Acad. Sci. U.S.A. 93 (21): 11575–9. Bibcode:1996PNAS...9311575O. doi:10.1073/pnas.93.21.11575. PMC 38099. PMID 8876177.
• Chun RF, Jeang KT (1996). "Requirements for RNA polymerase II carboxyl-terminal domain for activated transcription of human retroviruses human T-cell lymphotropic virus I and HIV-1". J. Biol. Chem. 271 (44): 27888–94. doi:10.1074/jbc.271.44.27888. PMID 8910388.