[Term] id: PR:000062250 name: HLA class II histocompatibility antigen, DR alpha chain, signal peptide removed form (human) def: "An HLA class II histocompatibility antigen, DR alpha chain (human) that has had the signal peptide removed. UniProtKB:P01903, 26-254." [PRO:DNx, Reactome:R-HSA-197588, Reactome:R-HSA-2130442, Reactome:R-HSA-2130463, Reactome:R-HSA-2130480, Reactome:R-HSA-2130530, Reactome:R-HSA-2130586, Reactome:R-HSA-2130665, Reactome:R-HSA-2130677, Reactome:R-HSA-2214390] comment: Category=organism-modification. synonym: "hHLA-DRA/SigPep-" EXACT PRO-short-label [PRO:DNx] synonym: "HLA class II histocompatibility antigen, DR alpha chain precursor" RELATED Reactome-displayName [PRO:DNx, Reactome:R-HSA-197588, Reactome:R-HSA-2130442, Reactome:R-HSA-2130463, Reactome:R-HSA-2130480, Reactome:R-HSA-2130530, Reactome:R-HSA-2130586, Reactome:R-HSA-2130665, Reactome:R-HSA-2130677, Reactome:R-HSA-2214390] synonym: "UniProtKB:P01903, 26-254" EXACT PRO-proteoform-std [PRO:DNx] xref: Reactome:R-HSA-197588 "PR:000062250 located_in GO:0005886" xref: Reactome:R-HSA-2130442 "PR:000062250 located_in GO:0030669" xref: Reactome:R-HSA-2130463 "PR:000062250 located_in GO:0030666" xref: Reactome:R-HSA-2130480 "PR:000062250 located_in GO:0012507" xref: Reactome:R-HSA-2130530 "PR:000062250 located_in GO:0030658" xref: Reactome:R-HSA-2130586 "PR:000062250 located_in GO:0032588" xref: Reactome:R-HSA-2130665 "PR:000062250 located_in GO:0071556" xref: Reactome:R-HSA-2130677 "PR:000062250 located_in GO:0005765" xref: Reactome:R-HSA-2214390 "PR:000062250 located_in GO:0000139" intersection_of: PR:P01903 ! HLA class II histocompatibility antigen, DR alpha chain (human) intersection_of: lacks_part SO:0000418 ! signal_peptide relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens