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Sequence Detail
P26450 Q8K3B3 (UniProt | EBI) Last sequence update: 2011-07-27
Last annotation update: 2018-05-23
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RecName: Full=Phosphatidylinositol 3-kinase regulatory subunit alpha; Short=PI3-kinase regulatory subunit alpha; Short=PI3K regulatory subunit alpha; Short=PtdIns-3-kinase regulatory subunit alpha;AltName: Full=Phosphatidylinositol
Polypeptide 724 aa
For this sequence
Organism mouse
See UniProt | EBI for source
Annotated genes and markers Follow the symbol links to get more information on the GO terms, expression assays, orthologs, phenotypic alleles, and other information for the genes or markers below.
Type Symbol Name GO Terms Expression
Orthologs Phenotypic
Gene Pik3r1 phosphoinositide-3-kinase regulatory subunit 1 120 11 9 32
Sequence references in MGI J:17845 Escobedo JA, et al., cDNA cloning of a novel 85 kd protein that has SH2 domains and regulates binding of PI3-kinase to the PDGF beta-receptor. Cell. 1991 Apr 5;65(1):75-82
J:54899 Elenius K, et al., Characterization of a naturally occurring ErbB4 isoform that does not bind or activate phosphatidyl inositol 3-kinase. Oncogene. 1999 Apr 22;18(16):2607-15
J:66245 Iwanishi M, et al., The protein-tyrosine kinase fer associates with signaling complexes containing insulin receptor substrate-1 and phosphatidylinositol 3-kinase. J Biol Chem. 2000 Dec 15;275(50):38995-9000
J:69934 Chang C, et al., Cutting edge: KAP10, a novel transmembrane adapter protein genetically linked to DAP12 but with unique signaling properties. J Immunol. 1999 Nov 1;163(9):4651-4
J:73962 Seykora JT, et al., 'Srcasm: a novel Src activating and signaling molecule. J Biol Chem. 2002 Jan 25;277(4):2812-22
J:76896 Bachmaier K, et al., Negative regulation of lymphocyte activation and autoimmunity by the molecular adaptor Cbl-b. Nature. 2000 Jan 13;403(6766):211-6
J:77039 Krebs DL, et al., SOCS-6 binds to insulin receptor substrate 4, and mice lacking the SOCS-6 gene exhibit mild growth retardation. Mol Cell Biol. 2002 Jul;22(13):4567-78
J:125680 Fang D, et al., Proteolysis-independent regulation of PI3K by Cbl-b-mediated ubiquitination in T cells. Nat Immunol. 2001 Sep;2(9):870-5
J:129312 Ahn E, et al., LIME acts as a transmembrane adapter mediating BCR-dependent B-cell activation. Blood. 2006 Feb 15;107(4):1521-7
J:159304 Park SW, et al., The regulatory subunits of PI3K, p85alpha and p85beta, interact with XBP-1 and increase its nuclear translocation. Nat Med. 2010 Apr;16(4):429-37
J:178287 Pleiman CM, et al., Activation of phosphatidylinositol-3' kinase by Src-family kinase SH3 binding to the p85 subunit. Science. 1994 Mar 18;263(5153):1609-12
J:200516 Jones N, et al., Identification of Tek/Tie2 binding partners. Binding to a multifunctional docking site mediates cell survival and migration. J Biol Chem. 1999 Oct 22;274(43):30896-905

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last database update
MGI 6.12
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