[Term] id: PR:000061564 name: galactosylgalactosylxylosylprotein 3-beta-glucuronosyltransferase 3 sequence variant R277Q (human) def: "A galactosylgalactosylxylosylprotein 3-beta-glucuronosyltransferase 3 (human) that has a Gln residue at the position equivalent to Arg-277 of the amino acid sequence represented by UniProtKB:O94766-1. Example: UniProtKB:O94766-1, Arg-277, CHEBI:30011." [PRO:DNx, Reactome:R-HSA-3621732] comment: Category=organism-sequence. synonym: "hB3GAT3/var:R277Q" EXACT PRO-short-label [PRO:DNx] synonym: "B3GAT3 R277Q" RELATED Reactome-displayName [PRO:DNx, Reactome:R-HSA-3621732] synonym: "UniProtKB:O94766, Arg-277, CHEBI:30011" EXACT PRO-proteoform-std [PRO:DNx] synonym: "UniProtKB:O94766-1, Arg-277, CHEBI:30011" NARROW PRO-proteoform-std [PRO:DNx] xref: Reactome:R-HSA-3621732 "PR:000061564 located_in GO:0000139" is_a: PR:O94766 ! galactosylgalactosylxylosylprotein 3-beta-glucuronosyltransferase 3 (human) relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens