[Term] id: PR:000003006 name: tyrosine-protein kinase Fyn isoform 1 phosphorylated 1 def: "A tyrosine-protein kinase Fyn isoform 1 phosphorylated form in which the phosphorylation occurs at Tyr residues upon activation of the T cell antigen receptor-mediated signal transduction pathway." [PRO:CL, PMID:1526965] comment: Category=modification. synonym: "FYN/iso:1/Phos:1" EXACT PRO-short-label [PRO:DNx] synonym: "Fyn active form" EXACT [] is_a: PR:000003005 ! tyrosine-protein kinase Fyn isoform 1 phosphorylated form relationship: has_part MOD:00048 ! O4'-phospho-L-tyrosine