[Term] id: PR:000044055 name: alpha-1,3-mannosyl-glycoprotein 4-beta-N-acetylglucosaminyltransferase B isoform 1 def: "An alpha-1,3-mannosyl-glycoprotein 4-beta-N-acetylglucosaminyltransferase B that is a translation product of some mRNA whose exon structure and start site selection renders it capable of giving rise to a protein with the amino acid sequence represented by UniProtKB:Q9UQ53-1 or a 1:1 ortholog thereof." [PRO:DNx] comment: Category=sequence. synonym: "MGAT4B/iso:1" EXACT PRO-short-label [PRO:DNx] property_value: has_archetype PR:Q9UQ53-1 is_a: PR:000010382 ! alpha-1,3-mannosyl-glycoprotein 4-beta-N-acetylglucosaminyltransferase B