[Term] id: PR:000047004 name: collagen alpha-1(IX) chain 3-hydroxy-proline and 4-hydroxy-proline form (human) def: "A collagen alpha-1(IX) chain (human) that includes at least one 3-hydroxy-proline and at least one 4-hydroxy-proline. UniProtKB:P20849, MOD:00038|MOD:00039." [PRO:DNx, Reactome:R-HSA-2470451] comment: Category=organism-modification. synonym: "hCOL9A1/3hP4hP+" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:P20849, MOD:00038|MOD:00039" EXACT PRO-proteoform-std [PRO:DNx] xref: Reactome:R-HSA-2470451 "PR:000047004 located_in GO:0005576" intersection_of: PR:P20849 ! collagen alpha-1(IX) chain (human) intersection_of: has_part MOD:00038 ! 3-hydroxy-L-proline intersection_of: has_part MOD:00039 ! 4-hydroxy-L-proline relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens