[Term] id: PR:000046828 name: collagen alpha-1(I) chain, signal peptide removed 5-hydroxy-lysine and 4-hydroxy-proline form (human) def: "A collagen alpha-1(I) chain (human) that has had the signal peptide removed and that includes at least one 5-hydroxy-lysine and at least one 4-hydroxy-proline. UniProtKB:P02452, 23-1464, MOD:00037|MOD:00039." [PRO:DNx, Reactome:R-HSA-2022951, Reactome:R-HSA-2268643] comment: Category=organism-modification. synonym: "hCOL1A1/SigPep-/5hL4hP+" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:P02452, 23-1464, MOD:00037|MOD:00039" EXACT PRO-proteoform-std [PRO:DNx] xref: Reactome:R-HSA-2022951 "PR:000046828 located_in GO:0005788" xref: Reactome:R-HSA-2268643 "PR:000046828 located_in GO:0005576" intersection_of: PR:P02452 ! collagen alpha-1(I) chain (human) intersection_of: has_part MOD:00039 ! 4-hydroxy-L-proline intersection_of: has_part MOD:00037 ! 5-hydroxy-L-lysine intersection_of: lacks_part SO:0000418 ! signal_peptide relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens