[Term] id: PR:000063394 name: collagen alpha-2(IX) chain, signal peptide removed 3-hydroxy-proline, 4-hydroxy-proline, and galactosylhydroxylysine form (human) def: "A collagen alpha-2(IX) chain (human) that has had the signal peptide removed and that includes at least 1 3-hydroxy-proline, at least 1 galactosylhydroxylated lysine, and at least 3 4-hydroxy-prolines. UniProtKB:Q14055, 24-689, MOD:00038|MOD:00039(3+)|MOD:01914." [PRO:DNx, Reactome:R-HSA-2173291, Reactome:R-HSA-2193026] comment: Category=organism-modification. synonym: "hCOL9A2/SigPep-/3HyPro4HyPro(3+)GalHyLys+" EXACT PRO-short-label [PRO:DNx] synonym: "3x4Hyp-3Hyp-GalHyl-COL9A2" RELATED Reactome-displayName [PRO:DNx, Reactome:R-HSA-2173291, Reactome:R-HSA-2193026] synonym: "UniProtKB:Q14055, 24-689, MOD:00038|MOD:00039(3+)|MOD:01914" EXACT PRO-proteoform-std [PRO:DNx] xref: Reactome:R-HSA-2173291 "PR:000063394 located_in GO:0005788" xref: Reactome:R-HSA-2193026 "PR:000063394 located_in GO:0005576" is_a: PR:Q14055 ! collagen alpha-2(IX) 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