[Term] id: PR:000056447 name: collagen alpha-1(XV) chain O-glycosylated 21 (human) def: "A collagen alpha-1(XV) chain (human) that has been O-glycosylated at the residue equivalent to Thr-514 of the amino acid sequence represented by UniProtKB:P39059-1, in which the glycan composition is represented by GlyTouCan:G58001LT. Example: UniProtKB:P39059-1, Thr-514, MOD:00005~GNO:G58001LT." [GlyGen:P39059-1, PMID:30459171, PRO:DNx] comment: Category=organism-modification. Requested by=GlyGen. synonym: "hCOL15A1/OGlyco:21" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:P39059-1, Thr-514, MOD:00005~GNO:G58001LT" NARROW PRO-proteoform-std [PRO:DNx] is_a: PR:P39059 ! collagen alpha-1(XV) chain (human) relationship: has_part GNO:G58001LT ! G58001LT relationship: has_part MOD:00005 ! O-glycosyl-L-threonine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens