Gene description for PIK3CB
Gene name phosphatidylinositol-4,5-bisphosphate 3-kinase, catalytic subunit beta
Gene symbol PIK3CB
Other names/aliases P110BETA
PI3K
PI3KBETA
PIK3C1
Species Homo sapiens
 Database cross references - PIK3CB
ExoCarta ExoCarta_5291
Vesiclepedia VP_5291
Entrez Gene 5291
HGNC 8976
MIM 602925
UniProt P42338  
 PIK3CB identified in sEVs derived from the following tissue/cell type
Thymus 23844026    
 Gene ontology annotations for PIK3CB
Molecular Function
    protein binding GO:0005515 IPI
    ATP binding GO:0005524 IEA
    1-phosphatidylinositol-3-kinase activity GO:0016303 IBA
    1-phosphatidylinositol-3-kinase activity GO:0016303 TAS
    1-phosphatidylinositol-4-phosphate 3-kinase activity GO:0035005 IBA
    insulin receptor substrate binding GO:0043560 IEA
    1-phosphatidylinositol-4,5-bisphosphate 3-kinase activity GO:0046934 IDA
    1-phosphatidylinositol-4,5-bisphosphate 3-kinase activity GO:0046934 TAS
    protein serine kinase activity GO:0106310 IDA
Biological Process
    endothelial cell proliferation GO:0001935 IEA
    regulation of cell-matrix adhesion GO:0001952 IMP
    response to ischemia GO:0002931 ISS
    sphingosine-1-phosphate receptor signaling pathway GO:0003376 IMP
    intracellular calcium ion homeostasis GO:0006874 IEA
    endocytosis GO:0006897 IEA
    autophagy GO:0006914 IEA
    chemotaxis GO:0006935 TAS
    homophilic cell adhesion via plasma membrane adhesion molecules GO:0007156 IEA
    signal transduction GO:0007165 NAS
    cell surface receptor protein tyrosine kinase signaling pathway GO:0007169 TAS
    G protein-coupled receptor signaling pathway GO:0007186 TAS
    positive regulation of autophagy GO:0010508 TAS
    positive regulation of endothelial cell migration GO:0010595 IGI
    positive regulation of gene expression GO:0010628 IMP
    cell migration GO:0016477 IBA
    cell migration GO:0016477 TAS
    platelet activation GO:0030168 TAS
    positive regulation of neutrophil apoptotic process GO:0033031 IMP
    positive regulation of Rac protein signal transduction GO:0035022 IGI
    phosphatidylinositol-3-phosphate biosynthetic process GO:0036092 IBA
    embryonic cleavage GO:0040016 IEA
    natural killer cell mediated cytotoxicity GO:0042267 IDA
    negative regulation of MAPK cascade GO:0043409 ISS
    phosphatidylinositol 3-kinase/protein kinase B signal transduction GO:0043491 IBA
    phosphatidylinositol 3-kinase/protein kinase B signal transduction GO:0043491 IGI
    phosphatidylinositol 3-kinase/protein kinase B signal transduction GO:0043491 IMP
    phosphatidylinositol 3-kinase/protein kinase B signal transduction GO:0043491 ISS
    phosphatidylinositol 3-kinase/protein kinase B signal transduction GO:0043491 TAS
    positive regulation of nitric oxide biosynthetic process GO:0045429 IMP
    phosphatidylinositol phosphate biosynthetic process GO:0046854 IDA
    phosphatidylinositol-mediated signaling GO:0048015 IBA
    negative regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction GO:0051898 IGI
    angiogenesis involved in wound healing GO:0060055 IEA
    platelet aggregation GO:0070527 TAS
    negative regulation of vascular endothelial growth factor signaling pathway GO:1900747 IGI
    negative regulation of hypoxia-induced intrinsic apoptotic signaling pathway GO:1903298 IEA
    negative regulation of sprouting angiogenesis GO:1903671 IMP
    regulation of clathrin-dependent endocytosis GO:2000369 TAS
Subcellular Localization
    nucleus GO:0005634 IDA
    nucleoplasm GO:0005654 IDA
    nucleolus GO:0005730 IDA
    cytoplasm GO:0005737 IBA
    cytoplasm GO:0005737 IDA
    cytosol GO:0005829 TAS
    plasma membrane GO:0005886 IBA
    phosphatidylinositol 3-kinase complex GO:0005942 IBA
    phosphatidylinositol 3-kinase complex, class IA GO:0005943 IPI
    phosphatidylinositol 3-kinase complex, class IA GO:0005943 NAS
    midbody GO:0030496 IDA
    intracellular membrane-bounded organelle GO:0043231 IDA
 Experiment description of studies that identified PIK3CB in sEVs
1
Experiment ID 217
MISEV standards
EM
Biophysical techniques
TSG101|CD81|CD9|CD63
Enriched markers
Negative markers
NTA
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23844026    
Organism Homo sapiens
Experiment description Characterization of human thymic exosomes.
Authors "Skogberg G, Gudmundsdottir J, van der Post S, Sandstrom K, Bruhn S, Benson M, Mincheva-Nilsson L, Baranov V, Telemo E, Ekwall O."
Journal name PLoS One
Publication year 2013
Sample Thymus
Sample name Normal-Thymus
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for PIK3CB
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 KCNE1  
Affinity Capture-MS Homo sapiens
2 TMEM52B 120939
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
3 PRKCE 5581
Affinity Capture-Western Homo sapiens
4 FASN 2194
Positive Genetic Homo sapiens
5 CACNG5  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
6 FEM1A  
Affinity Capture-MS Homo sapiens
7 CXCR4 7852
Affinity Capture-MS Homo sapiens
8 TGFBR2 7048
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
9 LAMP1 3916
Proximity Label-MS Homo sapiens
10 PRKCD 5580
Affinity Capture-Western Homo sapiens
11 KIF14 9928
Affinity Capture-MS Homo sapiens
12 GAB2 9846
Affinity Capture-Western Homo sapiens
13 RAB5A 5868
Affinity Capture-MS Homo sapiens
14 RNF19B  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
15 TPR 7175
Affinity Capture-MS Homo sapiens
16 ECT2 1894
Affinity Capture-MS Homo sapiens
17 CDH5  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
18 CRK 1398
Affinity Capture-MS Homo sapiens
19 APEX1 328
Affinity Capture-RNA Homo sapiens
20 NLGN3  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
21 ALK 238
Affinity Capture-MS Homo sapiens
22 HAVCR2  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
23 MANSC1 54682
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
24 CRKL 1399
Affinity Capture-MS Homo sapiens
25 SEPT9 10801
Cross-Linking-MS (XL-MS) Homo sapiens
26 ZDHHC1 29800
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
27 EGFR 1956
Affinity Capture-MS Homo sapiens
28 HCST  
Affinity Capture-MS Homo sapiens
29 DVL3 1857
Two-hybrid Homo sapiens
30 HCK 3055
Co-localization Homo sapiens
Co-localization Homo sapiens
31 ERBB3 2065
Affinity Capture-MS Homo sapiens
32 IL20RA  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
33 TMEM74  
Affinity Capture-MS Homo sapiens
34 PTGER3  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
35 AVPR1B  
Affinity Capture-MS Homo sapiens
36 CBL 867
Affinity Capture-MS Homo sapiens
Affinity Capture-Western Homo sapiens
37 ALAS1  
Two-hybrid Homo sapiens
38 CHRM3 1131
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
39 BTN3A1 11119
Affinity Capture-MS Homo sapiens
40 KCNE3  
Affinity Capture-MS Homo sapiens
41 PCBP1 5093
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
42 HPS6 79803
Two-hybrid Homo sapiens
43 CD7  
Affinity Capture-MS Homo sapiens
44 AURKA 6790
Affinity Capture-MS Homo sapiens
45 NOL11  
Affinity Capture-MS Homo sapiens
46 NTRK1 4914
Affinity Capture-MS Homo sapiens
47 RAPGEF5  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
48 P4HA2 8974
Affinity Capture-MS Homo sapiens
49 DOCK5 80005
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
50 MSH3 4437
Co-fractionation Homo sapiens
51 KLHDC10 23008
Affinity Capture-MS Homo sapiens
52 AKT2 208
Co-fractionation Homo sapiens
53 FLRT1  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
54 PIK3R2 5296
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
FRET Homo sapiens
55 KRAS 3845
Proximity Label-MS Homo sapiens
56 PIK3R1 5295
Co-fractionation Homo sapiens
Affinity Capture-Western Homo sapiens
Affinity Capture-MS Homo sapiens
Co-localization Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-Western Homo sapiens
Co-fractionation Homo sapiens
Affinity Capture-MS Homo sapiens
57 AKT1 207
Co-fractionation Homo sapiens
58 IRS4 8471
Affinity Capture-MS Homo sapiens
59 EFNB2 1948
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
60 CAV1 857
Affinity Capture-MS Homo sapiens
61 P2RY10  
Affinity Capture-MS Homo sapiens
62 GRB2 2885
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
63 PIK3R3 8503
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
View the network image/svg+xml
 Pathways in which PIK3CB is involved
PathwayEvidenceSource
Adaptive Immune System TAS Reactome
Axon guidance TAS Reactome
Cell surface interactions at the vascular wall TAS Reactome
Cell-Cell communication IEA Reactome
Cellular responses to mechanical stimuli IEA Reactome
Cellular responses to stimuli IEA Reactome
Constitutive Signaling by Aberrant PI3K in Cancer TAS Reactome
Cytokine Signaling in Immune system IEA Reactome
Cytokine Signaling in Immune system TAS Reactome
DAP12 interactions TAS Reactome
DAP12 signaling TAS Reactome
Developmental Biology TAS Reactome
Disease TAS Reactome
Diseases of signal transduction by growth factor receptors and second messengers TAS Reactome
Downstream signal transduction TAS Reactome
Downstream TCR signaling TAS Reactome
Erythropoietin activates Phosphoinositide-3-kinase (PI3K) TAS Reactome
Erythropoietin activates Phosphoinositide-3-kinase (PI3K) IEA Reactome
Fc epsilon receptor (FCERI) signaling TAS Reactome
Fcgamma receptor (FCGR) dependent phagocytosis TAS Reactome
GPVI-mediated activation cascade TAS Reactome
Hemostasis TAS Reactome
High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells IEA Reactome
IGF1R signaling cascade TAS Reactome
Immune System TAS Reactome
Immune System IEA Reactome
Innate Immune System TAS Reactome
Insulin receptor signalling cascade TAS Reactome
Interleukin receptor SHC signaling TAS Reactome
Interleukin-2 family signaling TAS Reactome
Interleukin-3, Interleukin-5 and GM-CSF signaling TAS Reactome
Interleukin-3, Interleukin-5 and GM-CSF signaling IEA Reactome
Intracellular signaling by second messengers TAS Reactome
IRS-mediated signalling TAS Reactome
IRS-related events triggered by IGF1R TAS Reactome
MAPK family signaling cascades TAS Reactome
MAPK1/MAPK3 signaling TAS Reactome
Metabolism TAS Reactome
Metabolism of lipids TAS Reactome
Negative regulation of the PI3K/AKT network TAS Reactome
Nephrin family interactions IEA Reactome
Nervous system development TAS Reactome
Phospholipid metabolism TAS Reactome
PI Metabolism TAS Reactome
PI3K Cascade TAS Reactome
PI3K/AKT activation TAS Reactome
PI3K/AKT Signaling in Cancer TAS Reactome
PI5P, PP2A and IER3 Regulate PI3K/AKT Signaling TAS Reactome
PIP3 activates AKT signaling TAS Reactome
Platelet activation, signaling and aggregation TAS Reactome
RAF/MAP kinase cascade TAS Reactome
Regulation of signaling by CBL IEA Reactome
Regulation of signaling by CBL TAS Reactome
Response of endothelial cells to shear stress IEA Reactome
RET signaling TAS Reactome
Role of LAT2/NTAL/LAB on calcium mobilization TAS Reactome
Role of phospholipids in phagocytosis TAS Reactome
Signal Transduction TAS Reactome
Signal Transduction IEA Reactome
Signaling by ALK TAS Reactome
Signaling by ALK fusions and activated point mutants TAS Reactome
Signaling by ALK in cancer TAS Reactome
Signaling by CSF1 (M-CSF) in myeloid cells IEA Reactome
Signaling by Erythropoietin TAS Reactome
Signaling by Erythropoietin IEA Reactome
Signaling by Insulin receptor TAS Reactome
Signaling by Interleukins TAS Reactome
Signaling by Interleukins IEA Reactome
Signaling by LTK TAS Reactome
Signaling by LTK in cancer TAS Reactome
Signaling by NTRK1 (TRKA) TAS Reactome
Signaling by NTRKs TAS Reactome
Signaling by PDGF TAS Reactome
Signaling by PDGFR in disease TAS Reactome
Signaling by PDGFRA extracellular domain mutants TAS Reactome
Signaling by PDGFRA transmembrane, juxtamembrane and kinase domain mutants TAS Reactome
Signaling by Receptor Tyrosine Kinases TAS Reactome
Signaling by Receptor Tyrosine Kinases IEA Reactome
Signaling by Type 1 Insulin-like Growth Factor 1 Receptor (IGF1R) TAS Reactome
Signaling by VEGF IEA Reactome
Signaling by VEGF TAS Reactome
Synthesis of PIPs at the plasma membrane TAS Reactome
TCR signaling TAS Reactome
Tie2 Signaling TAS Reactome
VEGFA-VEGFR2 Pathway IEA Reactome
VEGFA-VEGFR2 Pathway TAS Reactome





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