alphaVbeta6 is a novel receptor for human fibrillin-1. Comparative studies of molecular determinants underlying integrin-rgd affinity and specificity.
Human fibrillin-1, the major structural protein of connective tissue 10-12 nm microfibrils, contains multiple calcium binding epidermal growth factor-like domains interspersed with transforming growth factor beta-binding protein-like (TB) domains. TB4 contains a flexible RGD loop that mediates cell adhesion via alphaVbeta3 and alpha5beta1 integrins. This study identifies integrin alphaVbeta6 as a novel cellular receptor for fibrillin-1 with a K(d) of approximately 0.45 mum. Analyses of this i...Expand abstract
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