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・ Rigby's Buildings
・ Rigby's La Plaza Historic District
・ Rig Sefid, Dehpir-e Shomali
・ Rig Sefid, Robat
・ Rig Sefid, Zagheh
・ Rig standpipe
・ Rig Zardan
・ Rig, Jask
・ Rig, Lirdaf
・ Rig, West Virginia
・ Rig-e Bala
・ Rig-e Jenn
・ Rig-e Kaput
・ Rig-e Muri
・ Rig-e Sefid, Selseleh
RIG-I
・ RIG-I-like receptor
・ Riga
・ Riga (disambiguation)
・ Riga (moped)
・ Riga (surname)
・ Riga (Vidhan Sabha constituency)
・ Riga Academy
・ Riga Autobus Factory
・ Riga Aviation Museum
・ Riga Black Balsam
・ Riga Bridge (Velikaya River)
・ Riga Business School
・ Riga Castle
・ Riga Cathedral


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RIG-I : ウィキペディア英語版
RIG-I

RIG-I (retinoic acid-inducible gene 1) is a RIG-I-like receptor dsRNA helicase enzyme that is encoded (in humans) by the ''DDX58'' gene. RIG-I is part of the RIG-I-like receptor family, which also includes MDA5 and LGP2, and functions as a pattern recognition receptor that is a sensor for viruses such as influenza A, Sendai virus, and flavivirus. Certain retroviruses, such as HIV-1, encode a protease that directs RIG-1 to the lysosome for degradation, and thereby evade RIG-1 mediated signaling. RIG-I typically recognizes short (< 4000nt) 5′ triphosphate uncapped double stranded or single stranded RNA. RIG-I and MDA5 are involved in activating MAVS and triggering an antiviral response. RIG-I is also able to detect non-self 5′-triphosphorylated dsRNA transcribed from AT-rich dsDNA by DNA-dependent RNA polymerase III (Pol III). For many viruses, effective RIG-I-mediated antiviral responses are dependent on functionally active LGP2.
== Function ==

DEAD box proteins, characterized by the conserved motif Asp-Glu-Ala-Asp (DEAD), are putative RNA helicases which are implicated in a number of cellular processes involving RNA binding and alteration of RNA secondary structure. RIG-I contains a RNA helicase-DEAD box motifs and a caspase recruitment domain (CARD). RIG-I is involved in viral double-stranded (ds) RNA recognition and the regulation of immune response.〔(【引用サイトリンク】 url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=23586 )

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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