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Overview
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Flk-1 is a protein encoded by the KDR gene which is approximately 151, 5 kDa. Flk-1 isoform 1 is localised to the cell membrane and isoform 2 and 3 are secreted. It is involved in apoptotic pathways, the GPCR pathway, ERK signalling and the CREB pathway. This receptor is one of two type III receptor tyrosine kinase that functions as the main mediator of VEGF-induced endothelial proliferation, survival, migration, tubular morphogenesis and sprouting. The signalling and trafficking of this receptor are regulated by multiple factors, including Rab GTPase, P2Y purine nucleotide receptor. Flk-1 is widely expressed in human tissues including the cornea. Mutations in the KDR gene may result in hemangioma. STJ93088 was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen. This polyclonal antibody detects endogenous levels of Flk-1 protein.
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Overview