[Term] id: PR:000003072 name: CD4 molecule isoform 1 phosphorylated 1 def: "A CD4 molecule isoform 1 phosphorylated form that is phosphorylated on Tyr residues yielding the active form." [PMID:11698270] comment: Category=modification. synonym: "CD4/iso:1/Phos:1" EXACT PRO-short-label [PRO:DNx] synonym: "CD4 activated" EXACT [] synonym: "CD4 active form" EXACT [] is_a: PR:000003071 ! CD4 molecule isoform 1 phosphorylated form relationship: has_part MOD:00048 ! O4'-phospho-L-tyrosine