GTF2H2

General transcription factor IIH subunit 2 is a protein that in humans is encoded by the GTF2H2 gene.^[5][6]

Function

This gene is part of a 500 kb inverted duplication on chromosome 5q13. This duplicated region contains at least four genes and repetitive elements which make it prone to rearrangements and deletions. The repetitiveness and complexity of the sequence have also caused difficulty in determining the organization of this genomic region. This gene is within the telomeric copy of the duplication. Deletion of this gene sometimes accompanies deletion of the neighboring SMN1 gene in spinal muscular atrophy (SMA) patients but it is unclear if deletion of this gene contributes to the SMA phenotype. This gene encodes the 44 kDa subunit of RNA polymerase II transcription initiation factor IIH which is involved in basal transcription and nucleotide excision repair. Transcript variants for this gene have been described, but their full length nature has not been determined. A second copy of this gene within the centromeric copy of the duplication has been described in the literature. It is reported to be different by either two or four base pairs; however, no sequence data is currently available for the centromeric copy of the gene.^[6]

Interactions

GTF2H2 has been shown to

Further reading

• Svejstrup JQ, Vichi P, Egly JM (1996). "The multiple roles of transcription/repair factor TFIIH". Trends Biochem. Sci. 21 (9): 346–50.
  PMID 8870499
  .
• Jeang KT (1998). "Tat, Tat-associated kinase, and transcription". J. Biomed. Sci. 5 (1): 24–7.
  PMID 9570510
  .
• Yankulov K, Bentley D (1998). "Transcriptional control: Tat cofactors and transcriptional elongation". Curr. Biol. 8 (13): R447-9.
  S2CID 15480646
  .
• van der Steege G, Draaijers TG, Grootscholten PM, Osinga J, Anzevino R, Velonà I, Den Dunnen JT, Scheffer H, Brahe C, van Ommen GJ (1995). "A provisional transcript map of the spinal muscular atrophy (SMA) critical region". Eur. J. Hum. Genet. 3 (2): 87–95.
  S2CID 46083524
  .
• Henning KA, Li L, Iyer N, McDaniel LD, Reagan MS, Legerski R, Schultz RA, Stefanini M, Lehmann AR, Mayne LV, Friedberg EC (1995). "The Cockayne syndrome group A gene encodes a WD repeat protein that interacts with CSB protein and a subunit of RNA polymerase II TFIIH". Cell. 82 (4): 555–64.
  S2CID 16109644
  .
• Blau J, Xiao H, McCracken S, O'Hare P, Greenblatt J, Bentley D (1996). "Three functional classes of transcriptional activation domain". Mol. Cell. Biol. 16 (5): 2044–55.
  PMID 8628270
  .
• Iyer N, Reagan MS, Wu KJ, Canagarajah B, Friedberg EC (1996). "Interactions involving the human RNA polymerase II transcription/nucleotide excision repair complex TFIIH, the nucleotide excision repair protein XPG, and Cockayne syndrome group B (CSB) protein". Biochemistry. 35 (7): 2157–67.
  PMID 8652557
  .
• Reardon JT, Ge H, Gibbs E, Sancar A, Hurwitz J, Pan ZQ (1996). "Isolation and characterization of two human transcription factor IIH (TFIIH)-related complexes: ERCC2/CAK and TFIIH". Proc. Natl. Acad. Sci. U.S.A. 93 (13): 6482–7.
  PMID 8692841
  .
• Drapkin R, Le Roy G, Cho H, Akoulitchev S, Reinberg D (1996). "Human cyclin-dependent kinase-activating kinase exists in three distinct complexes". Proc. Natl. Acad. Sci. U.S.A. 93 (13): 6488–93.
  PMID 8692842
  .
• Zhou Q, Sharp PA (1996). "Tat-SF1: cofactor for stimulation of transcriptional elongation by HIV-1 Tat". Science. 274 (5287): 605–10.
  S2CID 13266489
  .
• Parada CA, Roeder RG (1996). "Enhanced processivity of RNA polymerase II triggered by Tat-induced phosphorylation of its carboxy-terminal domain". Nature. 384 (6607): 375–8.
  S2CID 4278432
  .
• Bürglen L, Seroz T, Miniou P, Lefebvre S, Burlet P, Munnich A, Pequignot EV, Egly JM, Melki J (1997). "The gene encoding p44, a subunit of the transcription factor TFIIH, is involved in large-scale deletions associated with Werdnig-Hoffmann disease". Am. J. Hum. Genet. 60 (1): 72–9.
  PMID 8981949
  .
• García-Martínez LF, Ivanov D,
  PMID 9054383
  .
• Carter TA, Bönnemann CG, Wang CH, Obici S, Parano E, De Fatima Bonaldo M, Ross BM, Penchaszadeh GK, Mackenzie A, Soares MB, Kunkel LM, Gilliam TC (1997). "A multicopy transcription-repair gene, BTF2p44, maps to the SMA region and demonstrates SMA associated deletions". Hum. Mol. Genet. 6 (2): 229–36.
  PMID 9063743
  .
• Marinoni JC, Roy R, Vermeulen W, Miniou P, Lutz Y, Weeda G, Seroz T, Gomez DM, Hoeijmakers JH, Egly JM (1997). "Cloning and characterization of p52, the fifth subunit of the core of the transcription/DNA repair factor TFIIH". EMBO J. 16 (5): 1093–102.
  PMID 9118947
  .
• Cujec TP, Cho H, Maldonado E, Meyer J, Reinberg D, Peterlin BM (1997). "The human immunodeficiency virus transactivator Tat interacts with the RNA polymerase II holoenzyme". Mol. Cell. Biol. 17 (4): 1817–23.
  PMID 9121429
  .
• Rossignol M, Kolb-Cheynel I, Egly JM (1997). "Substrate specificity of the cdk-activating kinase (CAK) is altered upon association with TFIIH". EMBO J. 16 (7): 1628–37.
  PMID 9130708
  .
• García-Martínez LF, Mavankal G, Neveu JM, Lane WS, Ivanov D, Gaynor RB (1997). "Purification of a Tat-associated kinase reveals a TFIIH complex that modulates HIV-1 transcription". EMBO J. 16 (10): 2836–50.
  PMID 9184228
  .

External links

• Overview of all the structural information available in the PDB for UniProt: Q13888 (General transcription factor IIH subunit 2) at the PDBe-KB.

This article incorporates text from the United States National Library of Medicine, which is in the public domain.

This article on a gene on human chromosome 5 is a stub. You can help Wikipedia by expanding it.

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