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Dock4
Dock4, (Dedicator of cytokinesis 4) also known as DOCK4, is a large (~190 kDa) protein involved in intracellular signalling networks.〔(【引用サイトリンク】 url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=9732 )〕 It is a member of the DOCK-B subfamily of the DOCK family of guanine nucleotide exchange factors (GEFs) which function as activators of small G proteins. Dock4 activates the small G proteins Rac and Rap1. ==Discovery== Dock4 was discovered as a gene product which was disrupted during tumour progression in a murine cancer model-derived osteosarcoma cell line. Subsequent Northern blot analysis revealed high levels of Dock4 expression in skeletal muscle, prostate and ovary as well as lower levels in the heart, placenta and colon. A separate study has reported expression of a Dock4 splice variant (Dock4-Ex49) in the brain, inner ear and eye.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Dock4」の詳細全文を読む
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