SUB1

Available structures

Ortholog search: PDBe RCSB

List of PDB id codes
1PCF, 2C62, 2PHE, 4USG

Identifiers

Aliases

SUB1, P15, PC4, p14, SUB1 homolog, transcriptional regulator

External IDs

MGI: 104811 HomoloGene: 38218 GeneCards: SUB1

Gene ontology
Molecular function	• single-stranded DNA binding • DNA binding • transcription coactivator activity • poly(A) RNA binding • transcriptional activator activity, RNA polymerase II distal enhancer sequence-specific binding • protein binding
Cellular component	• nucleolus • extracellular exosome • nucleus • transcription factor complex
Biological process	• regulation of transcription from RNA polymerase II promoter • regulation of transcription, DNA-templated • transcription from RNA polymerase II promoter • SMAD protein signal transduction • transcription, DNA-templated • positive regulation of transcription from RNA polymerase II promoter
Sources:Amigo / QuickGO

RNA expression pattern

More reference expression data

Orthologs

Species

Human

Mouse

Entrez


10923


20024

Ensembl


ENSG00000113387


ENSMUSG00000022205

UniProt


P53999


P11031

RefSeq (mRNA)


NM_006713


NM_011294

RefSeq (protein)


NP_006704.3


NP_035424.1

Location (UCSC)

Chr 5: 32.53 – 32.6 Mb

Chr 15: 11.98 – 12 Mb

PubMed search

^[1]

^[2]

Wikidata

View/Edit Human

View/Edit Mouse

Activated RNA polymerase II transcriptional coactivator p15 also known as positive cofactor 4 (PC4) or SUB1 homolog is a protein that in humans is encoded by the SUB1 gene.^[3]^[4]^[5] The human SUB1 gene^[5] is named after an orthologous gene in yeast.^[6]

Interactions

SUB1 has been shown to interact with CSTF2.^[7]

References

↑ "Human PubMed Reference:".
↑ "Mouse PubMed Reference:".
↑ Kretzschmar M, Kaiser K, Lottspeich F, Meisterernst M (August 1994). "A novel mediator of class II gene transcription with homology to viral immediate-early transcriptional regulators". Cell. 78 (3): 525–34. doi:10.1016/0092-8674(94)90429-4. PMID 8062392.
↑ Ge H, Roeder RG (August 1994). "Purification, cloning, and characterization of a human coactivator, PC4, that mediates transcriptional activation of class II genes". Cell. 78 (3): 513–23. doi:10.1016/0092-8674(94)90428-6. PMID 8062391.
1 2 "Entrez Gene SUB1: SUB1 homolog (S. cerevisiae)".
↑ Knaus R, Pollock R, Guarente L (April 1996). "Yeast SUB1 is a suppressor of TFIIB mutations and has homology to the human co-activator PC4". The EMBO Journal. 15 (8): 1933–40. PMC 450112. PMID 8617240.
↑ Calvo O, Manley JL (May 2001). "Evolutionarily conserved interaction between CstF-64 and PC4 links transcription, polyadenylation, and termination". Molecular Cell. 7 (5): 1013–23. doi:10.1016/S1097-2765(01)00236-2. PMID 11389848.

Kaiser K, Stelzer G, Meisterernst M (July 1995). "The coactivator p15 (PC4) initiates transcriptional activation during TFIIA-TFIID-promoter complex formation". The EMBO Journal. 14 (14): 3520–7. PMC 394420. PMID 7628453.
Ge H, Zhao Y, Chait BT, Roeder RG (December 1994). "Phosphorylation negatively regulates the function of coactivator PC4". Proceedings of the National Academy of Sciences of the United States of America. 91 (26): 12691–5. doi:10.1073/pnas.91.26.12691. PMC 45505. PMID 7809103.
Brandsen J, Werten S, van der Vliet PC, Meisterernst M, Kroon J, Gros P (November 1997). "C-terminal domain of transcription cofactor PC4 reveals dimeric ssDNA binding site". Nature Structural Biology. 4 (11): 900–3. doi:10.1038/nsb1197-900. PMID 9360603.
Malik S, Guermah M, Roeder RG (March 1998). "A dynamic model for PC4 coactivator function in RNA polymerase II transcription". Proceedings of the National Academy of Sciences of the United States of America. 95 (5): 2192–7. doi:10.1073/pnas.95.5.2192. PMC 19292. PMID 9482861.
Luo Y, Ge H, Stevens S, Xiao H, Roeder RG (July 1998). "Coactivation by OCA-B: definition of critical regions and synergism with general cofactors". Molecular and Cellular Biology. 18 (7): 3803–10. PMC 108964. PMID 9632764.
Currie RA (July 1998). "Biochemical characterization of the NF-Y transcription factor complex during B lymphocyte development". The Journal of Biological Chemistry. 273 (29): 18220–9. doi:10.1074/jbc.273.29.18220. PMID 9660784.
Wang Z, Roeder RG (April 1998). "DNA topoisomerase I and PC4 can interact with human TFIIIC to promote both accurate termination and transcription reinitiation by RNA polymerase III". Molecular Cell. 1 (5): 749–57. doi:10.1016/S1097-2765(00)80074-X. PMID 9660958.
Holloway AF, Occhiodoro F, Mittler G, Meisterernst M, Shannon MF (July 2000). "Functional interaction between the HIV transactivator Tat and the transcriptional coactivator PC4 in T cells". The Journal of Biological Chemistry. 275 (28): 21668–77. doi:10.1074/jbc.M909058199. PMID 10887206.
Yuan CX, Gurley WB (July 2000). "Potential targets for HSF1 within the preinitiation complex". Cell Stress & Chaperones. 5 (3): 229–42. doi:10.1379/1466-1268(2000)005<0229:PTFHWT>2.0.CO;2. PMC 312889. PMID 11005381.
Kumar BR, Swaminathan V, Banerjee S, Kundu TK (May 2001). "p300-mediated acetylation of human transcriptional coactivator PC4 is inhibited by phosphorylation". The Journal of Biological Chemistry. 276 (20): 16804–9. doi:10.1074/jbc.M100934200. PMID 11279157.
Yu P, Huang B, Shen M, Lau C, Chan E, Michel J, Xiong Y, Payan DG, Luo Y (January 2001). "p15(PAF), a novel PCNA associated factor with increased expression in tumor tissues". Oncogene. 20 (4): 484–9. doi:10.1038/sj.onc.1204113. PMID 11313979.
Calvo O, Manley JL (May 2001). "Evolutionarily conserved interaction between CstF-64 and PC4 links transcription, polyadenylation, and termination". Molecular Cell. 7 (5): 1013–23. doi:10.1016/S1097-2765(01)00236-2. PMID 11389848.
Guo H, Cai CQ, Kuo PC (February 2002). "Hepatocyte nuclear factor-4alpha mediates redox sensitivity of inducible nitric-oxide synthase gene transcription". The Journal of Biological Chemistry. 277 (7): 5054–60. doi:10.1074/jbc.M109017200. PMID 11741883.
Dubois T, Zemlickova E, Howell S, Aitken A (February 2003). "Centaurin-alpha 1 associates in vitro and in vivo with nucleolin". Biochemical and Biophysical Research Communications. 301 (2): 502–8. doi:10.1016/S0006-291X(02)03010-3. PMID 12565890.
Fukuda A, Tokonabe S, Hamada M, Matsumoto M, Tsukui T, Nogi Y, Hisatake K (April 2003). "Alleviation of PC4-mediated transcriptional repression by the ERCC3 helicase activity of general transcription factor TFIIH". The Journal of Biological Chemistry. 278 (17): 14827–31. doi:10.1074/jbc.M213172200. PMID 12590132.
Swietlicki E, Iordanov H, Fritsch C, Yi L, Levin MS, Rubin DC (2003). "Growth factor regulation of PC4/TIS7, an immediate early gene expressed during gut adaptation after resection". JPEN. Journal of Parenteral and Enteral Nutrition. 27 (2): 123–31. doi:10.1177/0148607103027002123. PMID 12665168.
Banerjee S, Kumar BR, Kundu TK (March 2004). "General transcriptional coactivator PC4 activates p53 function". Molecular and Cellular Biology. 24 (5): 2052–62. doi:10.1128/MCB.24.5.2052-2062.2004. PMC 350566. PMID 14966284.
Caldwell RB, Braselmann H, Schoetz U, Heuer S, Scherthan H, Zitzelsberger H (July 2016). "Positive Cofactor 4 (PC4) is critical for DNA repair pathway re-routing in DT40 cells.". Sci Rep. doi:10.1038/srep28890. PMC 4931448. PMID 27374870.

PDB gallery

1pcf: HUMAN TRANSCRIPTIONAL COACTIVATOR PC4 C-TERMINAL DOMAIN

2c62: CRYSTAL STRUCTURE OF THE HUMAN TRANSCRIPTION COFACTOR PC4 IN COMPLEX WITH SINGLE-STRANDED DNA

2phe: Model for VP16 binding to PC4

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SUB1

Interactions

References

Further reading