[Term] id: PR:000063851 name: collagen alpha-1(I) chain, signal peptide removed 3-hydroxy-proline, 4-hydroxy-proline, and glucosylgalactosylhydroxylysine form (human) def: "A collagen alpha-1(I) chain (human) that has had the signal peptide removed and that includes at least 1 3-hydroxy-proline, at least 1 glucosylgalactosylhydroxylated lysine, and at least 3 4-hydroxy-prolines. UniProtKB:P02452, 23-1464, MOD:00038|MOD:00039(3+)|MOD:00162." [PRO:DNx, Reactome:R-HSA-2023648, Reactome:R-HSA-2268639] comment: Category=organism-modification. synonym: "hCOL1A1/SigPep-/3HyPro4HyPro(3+)GlcGalHyLys+" EXACT PRO-short-label [PRO:DNx] synonym: "3x4Hyp-3Hyp-GlcGalHyl-COL1A1(23-1464)" RELATED Reactome-displayName [PRO:DNx, Reactome:R-HSA-2023648, Reactome:R-HSA-2268639] synonym: "UniProtKB:P02452, 23-1464, MOD:00038|MOD:00039(3+)|MOD:00162" EXACT PRO-proteoform-std [PRO:DNx] xref: Reactome:R-HSA-2023648 "PR:000063851 located_in GO:0005788" xref: Reactome:R-HSA-2268639 "PR:000063851 located_in GO:0005576" is_a: PR:P02452 ! collagen alpha-1(I) chain (human) relationship: has_part MOD:00038 ! 3-hydroxy-L-proline relationship: has_part MOD:00039 ! 4-hydroxy-L-proline relationship: has_part MOD:00162 ! O5-glucosylgalactosyl-L-hydroxylysine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens