PIK3R3 has been shown to interact with Insulin-like growth factor 1 receptor,3 IRS145 and Retinoblastoma protein.6
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"Entrez Gene: PIK3R3 phosphoinositide-3-kinase, regulatory subunit 3 (p55, gamma)". https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=8503 ↩
Mothe, I; Delahaye L; Filloux C; Pons S; White M F; Van Obberghen E (Dec 1997). "Interaction of wild type and dominant-negative p55PIK regulatory subunit of phosphatidylinositol 3-kinase with insulin-like growth factor-1 signaling proteins". Mol. Endocrinol. 11 (13): 1911–23. doi:10.1210/mend.11.13.0029. ISSN 0888-8809. PMID 9415396. https://doi.org/10.1210%2Fmend.11.13.0029 ↩
Xia, X; Serrero G (Aug 1999). "Multiple forms of p55PIK, a regulatory subunit of phosphoinositide 3-kinase, are generated by alternative initiation of translation". Biochem. J. 341 (3): 831–7. doi:10.1042/0264-6021:3410831. ISSN 0264-6021. PMC 1220424. PMID 10417350. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1220424 ↩
Xia, Xianmin; Cheng Aiwu; Akinmade Damilola; Hamburger Anne W (Mar 2003). "The N-Terminal 24 Amino Acids of the p55 Gamma Regulatory Subunit of Phosphoinositide 3-Kinase Binds Rb and Induces Cell Cycle Arrest". Mol. Cell. Biol. 23 (5): 1717–25. doi:10.1128/MCB.23.5.1717-1725.2003. ISSN 0270-7306. PMC 151709. PMID 12588990. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC151709 ↩