The Raf kinase inhibitor protein (RKIP) is a kinase inhibitor protein, that regulates many signaling pathways within the cell.[1] RKIP is a member of the phosphatidylethanolamine-binding protein family and has displayed disruptive regulation on the Raf-1-MEK1/2, ERK1/2 and NF-kappaB signalling pathways, by interaction with the Raf-1 kinase.[1]
RKIP has also been shown to inhibit G protein coupled receptor kinases (GRK) when phosphorylated by protein kinase C.[2] Via this mechanism it has been shown to exert beneficial effects on cardiac structure and function.[3]
^ abOdabaei, Golaun; Chatterjee, Devasis; Jazirehi, Ali R.; Goodglick, Lee; Yeung, Kam; Bonavida, Benjamin (2004). "Raf-1 Kinase Inhibitor Protein: Structure, Function, Regulation of Cell Signaling, and Pivotal Role in Apoptosis". In Vande Woude, George F.; Klein, George (eds.). Advances in Cancer Research. Vol. 91. Elsevier. pp. 169–200. doi:10.1016/S0065-230X(04)91005-6. ISBN 978-0-12-006691-9. ISSN 0065-230X. PMID 15327891. S2CID 21758249.
^Lorenz, Kristina; Lohse, Martin J.; Quitterer, Ursula (4 December 2003). "Protein kinase C switches the Raf kinase inhibitor from Raf-1 to GRK-2". Nature. 426 (6966): 574–579. doi:10.1038/nature02158. ISSN 1476-4687. PMID 14654844. S2CID 4431750. EBSCOhost 11581735.
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