Candidate GTs for enzymatic synthesis (1 of 2 possible linkages):

ktr6p: S. cerevisiae TO3-6D, LB1425–1B, XHW13, XW43, XW44, YS133–1D dpm1p: S. cerevisiae X2180-1A, PRY238, DBY2068, PP-1B, PP-1A, PP-1B-10, XD2-7C, XD2-1C, DBY1315, 9933-20C, XD6-2B, THY4-13A, JZY250 DPM1: T. reesei