... involve also the cluster of acarviose transferase (Actsp), archaeal CGTase (Thcsp) and the maltogenic a- amylase (Bacst) due to its longer branch separating it from the Ó FEBS 2003 a- Amylase family members ... branches adjacent to each other and close to the border that separates the two major parts of the tree Note that the B stearothermophilus maltogenic a- amylase (Bacst) is placed in the ÔCGTase ... based on the alignments of the individual domains A, B, C and E (i.e the SBD) A tree was not constructed on the D domain because, as mentioned above, the fourdomain amylases and the two CGTases...