[Term] id: PR:000052929 name: alpha-2-HS-glycoprotein O-glycosylated 4 (human) def: "An alpha-2-HS-glycoprotein (human) that has been O-glycosylated at the residue equivalent to Ser-280 of the amino acid sequence represented by UniProtKB:P02765-1, in which the glycan composition is represented by GlyTouCan:G27391WQ. Example: UniProtKB:P02765-1, Ser-280, MOD:00002~GNO:G27391WQ." [GlyGen:P02765-1, PMID:30459171, PRO:DNx] comment: Category=organism-modification. Requested by=GlyGen. synonym: "hAHSG/OGlyco:4" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:P02765-1, Ser-280, MOD:00002~GNO:G27391WQ" NARROW PRO-proteoform-std [PRO:DNx] is_a: PR:P02765 ! alpha-2-HS-glycoprotein (human) relationship: has_part GNO:G27391WQ ! G27391WQ relationship: has_part MOD:00002 ! O-glycosyl-L-serine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens