The function of ENSG00000169255 (B3GALNT1, beta-1,3-N-acetylgalactosaminyltransferase 1 (Globoside blood group)) is as follows. Transfers N-acetylgalactosamine onto globotriaosylceramide (PubMed:10993897). Plays a critical role in preimplantation stage embryonic development (By similarity). {ECO:0000250|UniProtKB:Q920V1, ECO:0000269|PubMed:10993897}.