[Term] id: PR:000039437 name: phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform isoform 1 def: "A phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform 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:P42336-1 or a 1:1 ortholog thereof." [PRO:DNx] comment: Category=sequence. synonym: "PIK3CA/iso:1" EXACT PRO-short-label [PRO:DNx] property_value: has_archetype PR:P42336-1 is_a: PR:000012719 ! phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform