[Term] id: PR:000042712 name: phosphoinositide 3-kinase regulatory subunit 4 isoform 1 def: "A phosphoinositide 3-kinase regulatory subunit 4 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:Q99570-1 or a 1:1 ortholog thereof." [PRO:DNx] comment: Category=sequence. synonym: "PIK3R4/iso:1" EXACT PRO-short-label [PRO:DNx] property_value: has_archetype PR:Q99570-1 is_a: PR:000012727 ! phosphoinositide 3-kinase regulatory subunit 4