The GAR2 domain is common in plakin family members and Gas2 family members. The GAR domain comprises around 57 amino acids and has been shown to bind to microtubules [1,2,3].

1: The spectraplakin Short stop is an actin-microtubule cross-linker that contributes to organization of the microtubule network. Applewhite DA, Grode KD, Keller D, Zadeh AD, Slep KC, Rogers SL; Mol Biol Cell. 2010;21:1714-1724. PMID:20335501

2: Characterization of the microtubule binding domain of microtubule actin crosslinking factor (MACF): identification of a novel group of microtubule associated proteins. Sun D, Leung CL, Liem RK; J Cell Sci. 2001;114:161-172. PMID:11112700

3: Plakins: a family of versatile cytolinker proteins. Leung CL, Green KJ, Liem RK; Trends Cell Biol. 2002;12:37-45. PMID:11854008