GAA and type 2 diabetes mellitus: One interesting secondary metabolite cluster gene found in MGMM8, D310-1, and CCM2595 was the PKS-like, amglyccycl, responsible for the biosynthesis of the acarbose pseudo-tetrasaccharide, which is an alpha-glucosidase-like inhibitor for the treatment of type 2 diabetes with a gene similarity of 7%.