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DDX50

{{Short description|Protein-coding gene in the species Homo sapiens}}

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ATP-dependent RNA helicase DDX50 is an enzyme that in humans is encoded by the DDX50 gene.{{cite journal | vauthors = Valdez BC, Yang H, Hong E, Sequitin AM | title = Genomic structure of newly identified paralogue of RNA helicase II/Gu: detection of pseudogenes and multiple alternatively spliced mRNAs | journal = Gene | volume = 284 | issue = 1–2 | pages = 53–61 |date=Mar 2002 | pmid = 11891046 | doi =10.1016/S0378-1119(01)00888-5 }}{{cite web | title = Entrez Gene: DDX50 DEAD (Asp-Glu-Ala-Asp) box polypeptide 50| url = https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=79009}}

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 DEAD box protein family are believed to be involved in embryogenesis, spermatogenesis, and cellular growth and division. This gene encodes a DEAD box enzyme that may be involved in ribosomal RNA synthesis or processing. This gene and DDX21, also called RH-II/GuA, have similar genomic structures and are in tandem orientation on chromosome 10, suggesting that the two genes arose by gene duplication in evolution. This gene has pseudogenes on chromosomes 2, 3 and 4. Alternative splicing of this gene generates multiple transcript variants, but the full length nature of all the other variants but one has not been defined.

References

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Further reading

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  • {{cite journal | vauthors=Maruyama K, Sugano S |title=Oligo-capping: a simple method to replace the cap structure of eukaryotic mRNAs with oligoribonucleotides. |journal=Gene |volume=138 |issue= 1–2 |pages= 171–4 |year= 1994 |pmid= 8125298 |doi=10.1016/0378-1119(94)90802-8 }}
  • {{cite journal | vauthors=Suzuki Y, Yoshitomo-Nakagawa K, Maruyama K |title=Construction and characterization of a full length-enriched and a 5'-end-enriched cDNA library. |journal=Gene |volume=200 |issue= 1–2 |pages= 149–56 |year= 1997 |pmid= 9373149 |doi=10.1016/S0378-1119(97)00411-3 |display-authors=etal}}
  • {{cite journal | vauthors=Andersen JS, Lyon CE, Fox AH |title=Directed proteomic analysis of the human nucleolus. |journal=Curr. Biol. |volume=12 |issue= 1 |pages= 1–11 |year= 2002 |pmid= 11790298 |doi=10.1016/S0960-9822(01)00650-9 |s2cid=14132033 |display-authors=etal|doi-access=free |bibcode=2002CBio...12....1A }}
  • {{cite journal | vauthors=Scherl A, Couté Y, Déon C |title=Functional proteomic analysis of human nucleolus. |journal=Mol. Biol. Cell |volume=13 |issue= 11 |pages= 4100–9 |year= 2003 |pmid= 12429849 |doi= 10.1091/mbc.E02-05-0271 | pmc=133617 |display-authors=etal}}
  • {{cite journal | vauthors=Strausberg RL, Feingold EA, Grouse LH |title=Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences. |journal=Proc. Natl. Acad. Sci. U.S.A. |volume=99 |issue= 26 |pages= 16899–903 |year= 2003 |pmid= 12477932 |doi= 10.1073/pnas.242603899 | pmc=139241 |bibcode=2002PNAS...9916899M |display-authors=etal|doi-access=free }}
  • {{cite journal | vauthors=Gerhard DS, Wagner L, Feingold EA |title=The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). |journal=Genome Res. |volume=14 |issue= 10B |pages= 2121–7 |year= 2004 |pmid= 15489334 |doi= 10.1101/gr.2596504 | pmc=528928 |display-authors=etal}}
  • {{cite journal | vauthors=Andersen JS, Lam YW, Leung AK |title=Nucleolar proteome dynamics. |journal=Nature |volume=433 |issue= 7021 |pages= 77–83 |year= 2005 |pmid= 15635413 |doi= 10.1038/nature03207 |bibcode=2005Natur.433...77A |s2cid=4344740 |display-authors=etal}}
  • {{cite journal | vauthors=Olsen JV, Blagoev B, Gnad F |title=Global, in vivo, and site-specific phosphorylation dynamics in signaling networks. |journal=Cell |volume=127 |issue= 3 |pages= 635–48 |year= 2006 |pmid= 17081983 |doi= 10.1016/j.cell.2006.09.026 |s2cid=7827573 |display-authors=etal|doi-access=free }}

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