MGI Quick Search Results. Homo sapiens phosphoinositide-3-kinase, regulatory subunit 1 (alpha) ( - Nucleotide - NCBI. Phosphatidylinositol 3-kinase regulatory subunit alpha - Homo sapiens (Human) Www.sanger.ac.uk/perl/genetics/CGP/cosmic_sequence?ln=PIK3R1;format=numbered. Www.sanger.ac.uk/perl/genetics/CGP/cosmic_sequence?ln=PIK3R1;format=cds. Phosphatidylinositol 3-kinase regulatory subunit alpha - Homo sapiens (Human) Catalogue of Somatic Mutations in Cancer - COSMIC. p85alpha Disease Atlas - NextBio. Search Results - LAMHDI. Table 3 : Targeting the phosphoinositide 3-kinase pathway in cancer : Nature Reviews Drug Discovery. STRING: functional protein association networks. PIK3R1 - phosphoinositide-3-kinase, regulatory...