[Term] id: PR:000046521 name: B- and T-lymphocyte attenuator, signal peptide removed phosphorylated 1 (human) def: "A B- and T-lymphocyte attenuator (human) that has had the signal peptide removed and has been post-translationally modified to include phosphotyrosine at positions 226, 257 and 282 of the amino acid sequence represented by UniProtKB:Q7Z6A9. UniProtKB:Q7Z6A9, 31-289, Tyr-226/Tyr-257/Tyr-282, MOD:00048." [PRO:DNx, Reactome:R-HSA-389925] comment: Category=organism-modification. synonym: "hBTLA/SigPep-/Phos:1" EXACT PRO-short-label [PRO:DNx] synonym: "PRO_0000014523, Tyr-226/Tyr-257/Tyr-282, MOD:00048" EXACT PRO-proteoform-ftid [PRO:DNx] synonym: "UniProtKB:Q7Z6A9, 31-289, Tyr-226/Tyr-257/Tyr-282, MOD:00048" EXACT PRO-proteoform-std [PRO:DNx] xref: Reactome:R-HSA-389925 "PR:000046521 located_in GO:0005886" is_a: PR:Q7Z6A9 ! B- and T-lymphocyte attenuator (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