[Term] id: PR:000046823 name: collagen alpha-1(I) chain, signal peptide removed form (human) def: "A collagen alpha-1(I) chain (human) that has had the signal peptide removed. UniProtKB:P02452, 23-1464." [PRO:DNx, Reactome:R-HSA-1650777, Reactome:R-HSA-2268635] comment: Category=organism-modification. synonym: "hCOL1A1/SigPep-" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:P02452, 23-1464" EXACT PRO-proteoform-std [PRO:DNx] xref: Reactome:R-HSA-1650777 "PR:000046823 located_in GO:0005788" xref: Reactome:R-HSA-2268635 "PR:000046823 located_in GO:0005576" intersection_of: PR:P02452 ! collagen alpha-1(I) chain (human) intersection_of: lacks_part SO:0000418 ! signal_peptide relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens