Candidate GTs for enzymatic synthesis (2 of 5 possible linkages):

csh1p: S. cerevisiae SEY6210, KA31-1A, SUY41, EHY227, KHY195, SUY45, SUY49, SUY53 sur1p: S. cerevisiae DBY689, CuH3

gpi7p: S. cerevisiae X2180-1A, HMSF176, W303-1B, FBY11, FBY15, FBY122, FBY182, FBY49, C4, HMSF331, LB2134-3B, YNS3-7A, FBY118, FBY40, FBY43