[Term] id: PR:000055966 name: syndecan-1 O-glycosylated 4 (human) def: "A syndecan-1 (human) that has been O-glycosylated at the residue equivalent to Ser-89 of the amino acid sequence represented by UniProtKB:P18827-1, in which the glycan composition is represented by GlyTouCan:G53434XO. Example: UniProtKB:P18827-1, Ser-89, MOD:00002~GNO:G53434XO." [PRO:DNx, PMID:30459171, GlyGen:P18827-1] comment: Category=organism-modification. Requested by=GlyGen. synonym: "hSDC1/OGlyco:4" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:P18827, Ser-89, MOD:00002~GNO:G53434XO" EXACT PRO-proteoform-std [PRO:DNx] synonym: "UniProtKB:P18827-1, Ser-89, MOD:00002~GNO:G53434XO" NARROW PRO-proteoform-std [PRO:DNx] is_a: PR:P18827 ! syndecan-1 (human) relationship: has_part GNO:G53434XO ! G53434XO relationship: has_part MOD:00002 ! O-glycosyl-L-serine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens