2.4.1.229 UDP-N-acetylglucosamine + polypeptide-hydroxyamino acid - 2.4.1.229 UDP-N-acetylglucosamine + [Skp1-protein]-hydroxyproline - 2.4.1.229 UDP-N-acetylglucosamine + [Skp1-protein]-hydroxyproline part of complex O-linked glycosylation, which is necessary for targeting of Skp-1-protein to the nucleus 2.4.1.229 UDP-N-acetylglucosamine + [Skp1-protein]-hydroxyproline enzyme is involved in O-glycosylation of Skp1-protein and mucin formation