[Term] id: PR:000026870 name: T-cell-specific surface glycoprotein CD28, signal peptide removed form (human) def: "A T-cell-specific surface glycoprotein CD28, signal peptide removed form in human. Example: UniProtKB:P10747-1, 19-220." [PRO:CNA, Reactome:R-HSA-167628, Reactome:R-HSA-167632] comment: Category=organism-modification. synonym: "hCD28/SigPep-" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:P10747, 19-220" EXACT PRO-proteoform-std [PRO:DNx] synonym: "PRO_0000014652" NARROW PRO-proteoform-ftid [PRO:DNx] synonym: "UniProtKB:P10747-1, 19-220" NARROW PRO-proteoform-std [PRO:DNx] xref: Reactome:R-HSA-167628 "PR:000026870 located_in GO:0005829" xref: Reactome:R-HSA-167632 "PR:000026870 located_in GO:0005886" intersection_of: PR:000018541 ! T-cell-specific surface glycoprotein CD28, signal peptide removed form intersection_of: only_in_taxon NCBITaxon:9606 ! Homo sapiens