... D289AMY2 and D206TAA, E230TAA, and D297TAA). The invariant Y51AMY2 and Y82TAAare at subsite )1asareH92AMY2 and H122TAA;M52AMY2(M53AMY1)andW83TAAare at subsite )2; T94AMY2(C95AMY1)atsubsite-5 ... AMY2/acarbose(Fig. 1A) . Superpositioning of AMY2 and TAA guided bythe catalytic acids was excellent for Tyr51AMY2 and Tyr82TAA(Fig. 1A) and mutation in Saccharomycopsisfibuligera a- amylase (closely related ... F180AMY2, K182AMY2, W206AMY2,S208AMY2, Y211AMY2, H288AMY2, Q294AMY2, M296AMY2 and Q35TAA, H122TAA, R204TAA, K209TAA, H210TAA, G234TAA,D340TAA, R344TAA) are in...