GFOGER peptide is a α2β1, α1β1 and α11β1 integrin ligand peptide. GFOGER peptide can be recognized via directly interactions of integrins with its Glu and Arg residues, particularly binding to Glu through the metal ion-dependent adhesion site (MIDAS)[1].
References:
[1]. Zhang WM, et al. alpha 11beta 1 integrin recognizes the GFOGER sequence in interstitial collagens. J Biol Chem. 2003 Feb 28;278(9):7270-7.