[Term] id: PR:000048712 name: programmed cell death protein 1, signal peptide removed phosphorylated 1 (human) def: "A programmed cell death protein 1 (human) that has had the signal peptide removed and has been post-translationally modified to include phosphotyrosine at positions 223 and 248 of the amino acid sequence represented by UniProtKB:Q15116. UniProtKB:Q15116, 21-288, Tyr-223/Tyr-248, MOD:00048." [PRO:DNx, Reactome:R-HSA-389736] comment: Category=organism-modification. synonym: "hPDCD1/SigPep-/Phos:1" EXACT PRO-short-label [PRO:DNx] synonym: "PRO_0000014892, Tyr-223/Tyr-248, MOD:00048" EXACT PRO-proteoform-ftid [PRO:DNx] synonym: "UniProtKB:Q15116, 21-288, Tyr-223/Tyr-248, MOD:00048" EXACT PRO-proteoform-std [PRO:DNx] xref: Reactome:R-HSA-389736 "PR:000048712 located_in GO:0005886" is_a: PR:Q15116 ! programmed cell death protein 1 (human) relationship: has_part MOD:00048 ! O4'-phospho-L-tyrosine relationship: lacks_part SO:0000418 ! signal_peptide relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens