[Term] id: PR:000026924 name: inducible T-cell costimulator isoform 1 def: "An inducible T-cell costimulator that is a translation product of some mRNA whose exon structure and start site selection renders it capable of giving rise to a protein with the amino acid sequence represented by UniProtKB:Q9Y6W8-1 or a 1:1 ortholog thereof." [PRO:CNx] comment: Category=sequence. synonym: "ICOS/iso:1" EXACT PRO-short-label [PRO:DNx] property_value: has_archetype PR:Q9Y6W8-1 is_a: PR:000001860 ! inducible T-cell costimulator