The Enriched in Aromatic and Glycine Residues (EAGR) box is found in proteins from Mycoplasma, often tandemly repeated, and may have a role in cell motility [1].

1: The EAGR box structure: a motif involved in mycoplasma motility. Calisto BM, Broto A, Martinelli L, Querol E, Pinol J, Fita I; Mol Microbiol. 2012;86:382-393. PMID:22925012