[Term] id: PR:000062105 name: collagen alpha-1(XXIII) chain 3-hydroxy-proline, 4-hydroxy-proline, and galactosylhydroxylysine form (human) def: "A collagen alpha-1(XXIII) chain (human) that includes at least 1 3-hydroxy-proline, at least 1 galactosylhydroxylated lysine, and at least 3 4-hydroxy-prolines. UniProtKB:Q86Y22, MOD:00038|MOD:00039(3+)|MOD:01914." [PRO:DNx, Reactome:R-HSA-2173251, Reactome:R-HSA-2193023] comment: Category=organism-modification. synonym: "hCOL23A1/3HyPro4HyPro(3+)GalHyLys+" EXACT PRO-short-label [PRO:DNx] synonym: "3x4Hyp-3Hyp-GalHyl-COL23A1" RELATED Reactome-displayName [PRO:DNx, Reactome:R-HSA-2173251, Reactome:R-HSA-2193023] synonym: "UniProtKB:Q86Y22, MOD:00038|MOD:00039(3+)|MOD:01914" EXACT PRO-proteoform-std [PRO:DNx] xref: Reactome:R-HSA-2173251 "PR:000062105 located_in GO:0005788" xref: Reactome:R-HSA-2193023 "PR:000062105 located_in GO:0005886" is_a: PR:Q86Y22 ! collagen alpha-1(XXIII) chain (human) relationship: has_part MOD:00038 ! 3-hydroxy-L-proline relationship: has_part MOD:00039 ! 4-hydroxy-L-proline relationship: has_part MOD:01914 ! O5-galactosyl-L-hydroxylysine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens