Structural analysis of integrin recognition and the inhibition of integrin-mediated cell functions by novel nonpeptidic surrogates of the Arg-Gly-Asp sequence
1993
The pivotal role of the Arg-Gly-Asp (RGD) peptide motif in integrin-mediated cell adhesive interactions with extracellular matrix and plasma proteins stimulated the present design of nonpeptidic mimetics of this sequence. To probe the structural requirements for RGD recognition by integrins, we designed various structural mimetics of the tripeptide sequence, which consist of differentially spaced guanidinium and carboxylic groups. We now report that structures which contain guanidinium and carboxylic groups separated by an 11-carbon atom backbone mimic the distal configuration of functional RGD sequence
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