Alpha-amylase Alpha-amylase_N Alpha-amylase_C Alpha-amyl_C Alpha-amyl_C2 CBM_20 CBM_21 CBM_25 CBM_48 Cyc-maltodext_C Cyc-maltodext_N GDE_C GDE_N GDE_N_bis hGDE_N hDGE_amylase hGDE_central PUD DUF3372