[Term] id: PR:000056755 name: basement membrane-specific heparan sulfate proteoglycan core protein O-glycosylated 21 (human) def: "A basement membrane-specific heparan sulfate proteoglycan core protein (human) that has been O-glycosylated at the residue equivalent to Ser-3398 of the amino acid sequence represented by UniProtKB:P98160-1, in which the glycan composition is represented by GlyTouCan:G73004SD. Example: UniProtKB:P98160-1, Ser-3398, MOD:00002~GNO:G73004SD." [PRO:DNx, PMID:30459171, GlyGen:P98160-1] comment: Category=organism-modification. Requested by=GlyGen. synonym: "hHSPG2/OGlyco:21" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:P98160, Ser-3398, MOD:00002~GNO:G73004SD" EXACT PRO-proteoform-std [PRO:DNx] synonym: "UniProtKB:P98160-1, Ser-3398, MOD:00002~GNO:G73004SD" NARROW PRO-proteoform-std [PRO:DNx] is_a: PR:P98160 ! basement membrane-specific heparan sulfate proteoglycan core protein (human) relationship: has_part GNO:G73004SD ! G73004SD relationship: has_part MOD:00002 ! O-glycosyl-L-serine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens