2.4.1.221 - 2.4.1.221 partial 2.4.1.221 recombinant enzyme CePOFUT2 in complex with GDP and human TSR1 by gel filtration 2.4.1.221 recombinant truncated POFUT1_26-382 from Pichia pastoris by affinity and ion exchange chromatography and gel filtration