[Term] id: PR:000056457 name: collagen alpha-1(XVIII) chain O-glycosylated 9 (human) def: "A collagen alpha-1(XVIII) chain (human) that has been O-glycosylated at the residue equivalent to Ser-731 of the amino acid sequence represented by UniProtKB:P39060-3, in which the glycan composition is represented by GlyTouCan:G88713AC. Example: UniProtKB:P39060-3, Ser-731, MOD:00002~GNO:G88713AC." [PRO:DNx, PMID:30459171, GlyGen:P39060-3] comment: Category=organism-modification. Requested by=GlyGen. synonym: "hCOL18A1/OGlyco:9" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:P39060, Ser-731, MOD:00002~GNO:G88713AC" EXACT PRO-proteoform-std [PRO:DNx] synonym: "UniProtKB:P39060-3, Ser-731, MOD:00002~GNO:G88713AC" NARROW PRO-proteoform-std [PRO:DNx] is_a: PR:P39060 ! collagen alpha-1(XVIII) chain (human) relationship: has_part GNO:G88713AC ! G88713AC relationship: has_part MOD:00002 ! O-glycosyl-L-serine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens