[Term] id: PR:000064503 name: collagen alpha-1(XXI) chain, signal peptide removed glucosylgalactosylhydroxylysine form (human) def: "A collagen alpha-1(XXI) chain (human) that has had the signal peptide removed and that includes at least 1 glucosylgalactosylhydroxylated lysine. Example: UniProtKB:Q96P44-1, 23-957, MOD:00162." [PRO:DNx, Reactome:R-HSA-2173099, Reactome:R-HSA-2192923] comment: Category=organism-modification. synonym: "hCOL21A1/SigPep-/GlcGalHyLys+" EXACT PRO-short-label [PRO:DNx] synonym: "GlcGalHyl-COL21A1" RELATED Reactome-displayName [PRO:DNx, Reactome:R-HSA-2173099, Reactome:R-HSA-2192923] synonym: "UniProtKB:Q96P44, 23-957, MOD:00162" EXACT PRO-proteoform-std [PRO:DNx] synonym: "UniProtKB:Q96P44-1, 23-957, MOD:00162" NARROW PRO-proteoform-std [PRO:DNx] xref: Reactome:R-HSA-2173099 "PR:000064503 located_in GO:0005788" xref: Reactome:R-HSA-2192923 "PR:000064503 located_in GO:0005576" is_a: PR:Q96P44 ! collagen alpha-1(XXI) chain (human) relationship: has_part MOD:00162 ! O5-glucosylgalactosyl-L-hydroxylysine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens