Xcc1710_like family, specific to proteobacteria. Xcc1710 is a hypothetical protein from Xanthomonas campestris pv. campestris str. ATCC 33913, similar to Mth938, a hypothetical protein encoded by the Methanobacterium thermoautotrophicum (Mth) genome. Their three-dimensional structures have been determined, but their functions are unknown.