[Term]
id: PR:000025789
name: T-cell-specific surface glycoprotein CD28 isoform 1, signal peptide removed phosphorylated 1
def: "A T-cell-specific surface glycoprotein CD28 isoform 1 that has had the signal peptide removed and has been phosphorylated on the Tyr residue within the C-terminal YMNM motif by LCK. Example: UniProtKB:P10747-1, 19-220, Tyr-191, MOD:00048." [PRO:CNA, PRO:DAN, PMID:8992971]
comment: Category=modification.
synonym: "CD28/iso:1/SigPep-/Phos:1" EXACT PRO-short-label [PRO:DNx]
is_a: PR:000025788 ! T-cell-specific surface glycoprotein CD28 isoform 1
relationship: has_part MOD:00048 ! O4'-phospho-L-tyrosine
relationship: lacks_part SO:0000418 ! signal_peptide