ChEBI: Alpha-D-GalpA-(1->4)-alpha-D-GalpA is a alpha-D-GalpA-(1->4)-D-GalpA in which the anomeric hydroxy group has alpha- configuration. It has a role as a bacterial xenobiotic metabolite. It is a conjugate acid of an alpha-D-GalpA-(1->4)-alpha-D-GalpA(2-).