2.4.1.205 488883 Biosynthesis of galactogen: identification of a beta-(1->6)-D-galactosyltransferase in Helix pomatia albumen glands Biochim. Biophys. Acta 992 289-297 1989 Helix pomatia https://pubmed.ncbi.nlm.nih.gov/2505854/