DDX5

DDX5
DEAD (Asp-Glu-Ala-Asp) box polypeptide 5
Identifiers
Symbols DDX5; DKFZp434E109; DKFZp686J01190; G17P1; HLR1; HUMP68; p68
External IDs OMIM180630 MGI105037 HomoloGene6797 GeneCards: DDX5 Gene
EC number 3.6.4.13
RNA expression pattern
PBB GE DDX5 200033 at tn.png
PBB GE DDX5 200034 s at tn.png
More reference expression data
Orthologs
Species Human Mouse
Entrez 1655 13207
Ensembl ENSG00000108654 ENSMUSG00000020719
UniProt P17844 O35662
RefSeq (mRNA) NM_004396 NM_007840.3
RefSeq (protein) NP_004387 NP_031866.2
Location (UCSC) Chr 17:
59.93 – 59.93 Mb
Chr 11:
106.64 – 106.65 Mb
PubMed search [1] [2]

Probable ATP-dependent RNA helicase DDX5 also known as DEAD box protein 5 or RNA helicase p68 is an enzyme that in humans is encoded by the DDX5 gene.[1]

Contents

Function

DEAD box proteins, characterized by the conserved motif Asp-Glu-Ala-Asp (DEAD), are putative RNA helicases. They are implicated in a number of cellular processes involving alteration of RNA secondary structure, such as translation initiation, nuclear and mitochondrial splicing, and ribosome and spliceosome assembly. Based on their distribution patterns, some members of this family are believed to be involved in embryogenesis, spermatogenesis, and cellular growth and division. This gene encodes a DEAD box protein, which is an RNA-dependent ATPase, and also a proliferation-associated nuclear antigen, specifically reacting with the simian virus 40 tumor antigen. This gene consists of 13 exons, and alternatively spliced transcripts containing several intron sequences have been detected, but no isoforms encoded by these transcripts have been identified.[1]

Interactions

DDX5 has been shown to interact with:

References

  1. ^ a b "Entrez Gene: DDX5 DEAD (Asp-Glu-Ala-Asp) box polypeptide 5". http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=1655. 
  2. ^ Akileswaran L, Taraska JW, Sayer JA, Gettemy JM, Coghlan VM (May 2001). "A-kinase-anchoring protein AKAP95 is targeted to the nuclear matrix and associates with p68 RNA helicase". J. Biol. Chem. 276 (20): 17448–54. doi:10.1074/jbc.M101171200. PMID 11279182. 
  3. ^ Ogilvie VC, Wilson BJ, Nicol SM, Morrice NA, Saunders LR, Barber GN, Fuller-Pace FV (March 2003). "The highly related DEAD box RNA helicases p68 and p72 exist as heterodimers in cells". Nucleic Acids Res. 31 (5): 1470–80. doi:10.1093/nar/gkg236. PMC 149829. PMID 12595555. http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=149829. 
  4. ^ Wilson BJ, Giguère V (2007). "Identification of novel pathway partners of p68 and p72 RNA helicases through Oncomine meta-analysis". BMC Genomics 8: 419. doi:10.1186/1471-2164-8-419. PMID 18005418. 
  5. ^ Endoh H, Maruyama K, Masuhiro Y, Kobayashi Y, Goto M, Tai H, Yanagisawa J, Metzger D, Hashimoto S, Kato S (August 1999). "Purification and Identification of p68 RNA Helicase Acting as a Transcriptional Coactivator Specific for the Activation Function 1 of Human Estrogen Receptor α". Mol. Cell. Biol. 19 (8): 5363–72. PMC 84379. PMID 10409727. http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=84379. 
  6. ^ Rossow KL, Janknecht R (January 2003). "Synergism between p68 RNA helicase and the transcriptional coactivators CBP and p300". Oncogene 22 (1): 151–6. doi:10.1038/sj.onc.1206067. PMID 12527917. 
  7. ^ Nicol SM, Causevic M, Prescott AR, Fuller-Pace FV (June 2000). "The nuclear DEAD box RNA helicase p68 interacts with the nucleolar protein fibrillarin and colocalizes specifically in nascent nucleoli during telophase". Exp. Cell Res. 257 (2): 272–80. doi:10.1006/excr.2000.4886. PMID 10837141. 
  8. ^ Wilson BJ, Bates GJ, Nicol SM, Gregory DJ, Perkins ND, Fuller-Pace FV (August 2004). "The p68 and p72 DEAD box RNA helicases interact with HDAC1 and repress transcription in a promoter-specific manner". BMC Mol. Biol. 5: 11. doi:10.1186/1471-2199-5-11. PMC 514542. PMID 15298701. http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=514542. 
  9. ^ a b c Watanabe M, Yanagisawa J, Kitagawa H, Takeyama K, Ogawa S, Arao Y, Suzawa M, Kobayashi Y, Yano T, Yoshikawa H, Masuhiro Y, Kato S (March 2001). "A subfamily of RNA-binding DEAD-box proteins acts as an estrogen receptor α coactivator through the N-terminal activation domain (AF-1) with an RNA coactivator, SRA". EMBO J. 20 (6): 1341–52. doi:10.1093/emboj/20.6.1341. PMC 145523. PMID 11250900. http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=145523. 
  10. ^ Bates GJ, Nicol SM, Wilson BJ, Jacobs AM, Bourdon JC, Wardrop J, Gregory DJ, Lane DP, Perkins ND, Fuller-Pace FV (February 2005). "The DEAD box protein p68: a novel transcriptional coactivator of the p53 tumour suppressor". EMBO J. 24 (3): 543–53. doi:10.1038/sj.emboj.7600550. PMC 548656. PMID 15660129. http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=548656. 
  11. ^ Yao H, Brick K, Evrard Y, Xiao T, Camerini-Otero RD, Felsenfeld G (2010). "Mediation of CTCF transcriptional insulation by DEAD-box RNA-binding protein p68 and steroid receptor RNA activator SRA". Genes Dev 24 (22): 2543–2555. doi:10.1101/gad.1967810. PMC 2975930. PMID 20966046. http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=2975930. 

Further reading


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