Gene Gene information from NCBI Gene database.
Entrez ID 5296
Gene name Phosphoinositide-3-kinase regulatory subunit 2
Gene symbol PIK3R2
Synonyms (NCBI Gene)
MPPHMPPH1P85Bp85p85-BETAp85beta
Chromosome 19
Chromosome location 19p13.11
Summary Phosphatidylinositol 3-kinase (PI3K) is a lipid kinase that phosphorylates phosphatidylinositol and similar compounds, creating second messengers important in growth signaling pathways. PI3K functions as a heterodimer of a regulatory and a catalytic subun
SNPs SNP information provided by dbSNP.
12
SNP ID Visualize variation Clinical significance Consequence
rs372272045 G>C,T Pathogenic Missense variant, coding sequence variant, non coding transcript variant
rs587776934 G>A Pathogenic Coding sequence variant, non coding transcript variant, missense variant
rs587777624 T>C Pathogenic Coding sequence variant, non coding transcript variant, missense variant
rs886041591 A>G Pathogenic Missense variant, coding sequence variant, non coding transcript variant
rs886041602 A>G Pathogenic Missense variant, coding sequence variant, non coding transcript variant
miRNA miRNA information provided by mirtarbase database.
474
miRTarBase ID miRNA Experiments Reference
MIRT003894 hsa-miR-126-3p Western blot 18663744
MIRT003894 hsa-miR-126-3p qRT-PCR 18663744
MIRT003894 hsa-miR-126-3p Luciferase reporter assay 18663744
MIRT003894 hsa-miR-126-3p Luciferase reporter assay 18663744
MIRT003894 hsa-miR-126-3p Luciferase reporter assay 18663744
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
45
GO ID Ontology Definition Evidence Reference
GO:0001678 Process Intracellular glucose homeostasis IEA
GO:0001678 Process Intracellular glucose homeostasis ISS
GO:0001784 Function Phosphotyrosine residue binding IEA
GO:0001784 Function Phosphotyrosine residue binding IPI 20624904
GO:0005096 Function GTPase activator activity IEA
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
603157 8980 ENSG00000105647
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
O00459
Protein name Phosphatidylinositol 3-kinase regulatory subunit beta (PI3-kinase regulatory subunit beta) (PI3K regulatory subunit beta) (PtdIns-3-kinase regulatory subunit beta) (Phosphatidylinositol 3-kinase 85 kDa regulatory subunit beta) (PI3-kinase subunit p85-beta
Protein function Regulatory subunit of phosphoinositide-3-kinase (PI3K), a kinase that phosphorylates PtdIns(4,5)P2 (Phosphatidylinositol 4,5-bisphosphate) to generate phosphatidylinositol 3,4,5-trisphosphate (PIP3). PIP3 plays a key role by recruiting PH domain
PDB 2KT1 , 2XS6 , 3MTT , 3O5Z , 6OX7 , 6U28 , 7RCH , 7RNU
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF00620 RhoGAP 125 263 RhoGAP domain Domain
PF00017 SH2 330 405 SH2 domain Domain
PF16454 PI3K_P85_iSH2 428 596 Phosphatidylinositol 3-kinase regulatory subunit P85 inter-SH2 domain Domain
PF00017 SH2 622 696 SH2 domain Domain
Sequence
Sequence length 728
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  EGFR tyrosine kinase inhibitor resistance
Endocrine resistance
Platinum drug resistance
ErbB signaling pathway
Ras signaling pathway
Rap1 signaling pathway
cAMP signaling pathway
Chemokine signaling pathway
HIF-1 signaling pathway
FoxO signaling pathway
Phosphatidylinositol signaling system
Sphingolipid signaling pathway
Phospholipase D signaling pathway
Hormone signaling
Autophagy - animal
mTOR signaling pathway
PI3K-Akt signaling pathway
AMPK signaling pathway
Apoptosis
Longevity regulating pathway
Longevity regulating pathway - multiple species
Cellular senescence
Axon guidance
VEGF signaling pathway
Osteoclast differentiation
Focal adhesion
Signaling pathways regulating pluripotency of stem cells
Platelet activation
Neutrophil extracellular trap formation
Toll-like receptor signaling pathway
C-type lectin receptor signaling pathway
JAK-STAT signaling pathway
Natural killer cell mediated cytotoxicity
T cell receptor signaling pathway
B cell receptor signaling pathway
Fc epsilon RI signaling pathway
Fc gamma R-mediated phagocytosis
TNF signaling pathway
Leukocyte transendothelial migration
Neurotrophin signaling pathway
Cholinergic synapse
Inflammatory mediator regulation of TRP channels
Regulation of actin cytoskeleton
Insulin signaling pathway
Progesterone-mediated oocyte maturation
Estrogen signaling pathway
Prolactin signaling pathway
Thyroid hormone signaling pathway
Regulation of lipolysis in adipocytes
Relaxin signaling pathway
GnRH secretion
Type II diabetes mellitus
Insulin resistance
Non-alcoholic fatty liver disease
AGE-RAGE signaling pathway in diabetic complications
Growth hormone synthesis, secretion and action
Aldosterone-regulated sodium reabsorption
Carbohydrate digestion and absorption
Alzheimer disease
Spinocerebellar ataxia
Prion disease
Bacterial invasion of epithelial cells
Shigellosis
Yersinia infection
Chagas disease
Amoebiasis
Hepatitis C
Hepatitis B
Measles
Human cytomegalovirus infection
Influenza A
Human papillomavirus infection
Human T-cell leukemia virus 1 infection
Kaposi sarcoma-associated herpesvirus infection
Herpes simplex virus 1 infection
Epstein-Barr virus infection
Human immunodeficiency virus 1 infection
Coronavirus disease - COVID-19
Pathways in cancer
Viral carcinogenesis
Proteoglycans in cancer
MicroRNAs in cancer
Chemical carcinogenesis - receptor activation
Chemical carcinogenesis - reactive oxygen species
Colorectal cancer
Renal cell carcinoma
Pancreatic cancer
Endometrial cancer
Glioma
Prostate cancer
Melanoma
Chronic myeloid leukemia
Acute myeloid leukemia
Small cell lung cancer
Non-small cell lung cancer
Breast cancer
Hepatocellular carcinoma
Gastric cancer
Central carbon metabolism in cancer
Choline metabolism in cancer
PD-L1 expression and PD-1 checkpoint pathway in cancer
Diabetic cardiomyopathy
Lipid and atherosclerosis
Fluid shear stress and atherosclerosis
  PI3K Cascade
IRS-mediated signalling
GPVI-mediated activation cascade
PIP3 activates AKT signaling
Interleukin-7 signaling
Signaling by SCF-KIT
Synthesis of PIPs at the plasma membrane
Downstream signal transduction
Rho GTPase cycle
PI3K/AKT activation
Downstream TCR signaling
Role of phospholipids in phagocytosis
Tie2 Signaling
Constitutive Signaling by Aberrant PI3K in Cancer
DAP12 signaling
Role of LAT2/NTAL/LAB on calcium mobilization
Costimulation by the CD28 family
CD28 dependent PI3K/Akt signaling
G alpha (q) signalling events
VEGFA-VEGFR2 Pathway
Interleukin-3, Interleukin-5 and GM-CSF signaling
PI5P, PP2A and IER3 Regulate PI3K/AKT Signaling
RET signaling
Extra-nuclear estrogen signaling
Interleukin receptor SHC signaling
Regulation of signaling by CBL
Signaling by PDGFRA transmembrane, juxtamembrane and kinase domain mutants
Signaling by PDGFRA extracellular domain mutants
Associated diseases Disease associations from ClinVar (causal & non-causal) and other databases (OMIM, Orphanet, GWAS, etc.).
13
Evidence Score: ★☆☆☆☆  Gene-disease association found in Text Mining only ★★☆☆☆  Found in Text Mining and Unknown/Other Associations ★★★☆☆  Reported in Unknown/Other Associations across ≥2 Sources ★★★★☆  ClinVar: Pathogenic/Likely Pathogenic (<5 Variants) ★★★★★  ClinVar: Pathogenic/Likely Pathogenic (≥5 Variants)
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession Evidence Score
Intellectual disability Pathogenic rs587776934 RCV001526656
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Megalencephaly-capillary malformation-polymicrogyria syndrome Pathogenic rs587776934 RCV000416575
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Megalencephaly-polymicrogyria-polydactyly-hydrocephalus syndrome 1 Pathogenic; Likely pathogenic rs587777624, rs886041591, rs1057519801, rs587776934, rs1568636630, rs2043757489, rs2043767578 RCV000133505
RCV003236667
RCV002250624
RCV000033029
RCV000767347
View all (2 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
Multiple myeloma Likely pathogenic rs1418268495, rs1212577459 RCV000984100
RCV000984112
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Unknown / Other Associations ClinVar entries with uncertain/conflicting evidence, and associations from other databases (OMIM, Orphanet, GWAS, etc.) where the gene is not established as causal.
Phenotype Name Clinical Significance Source Evidence Score
ATTENTION DEFICIT HYPERACTIVITY DISORDER GWAS catalog
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
AUTISM SPECTRUM DISORDER GWAS catalog
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Melanoma Benign; Likely benign ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Overgrowth syndrome Uncertain significance ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Associations from Text Mining Disease associations identified through text mining
Disease Name Disease (Merged) Source PMID Relationship Type Evidence Score
Adenocarcinoma Adenocarcinoma BEFREE 1310887
★☆☆☆☆
Found in Text Mining only
Agenesis of Corpus Callosum Corpus callosum agenesis Pubtator 26860062 Associate
★☆☆☆☆
Found in Text Mining only
Alzheimer Disease Alzheimer disease Pubtator 22044025 Associate
★☆☆☆☆
Found in Text Mining only
Anemia Aplastic Aplastic anemia Pubtator 26354756 Associate
★☆☆☆☆
Found in Text Mining only
Arthritis Rheumatoid Rheumatoid arthritis Pubtator 27729613, 37904709 Associate
★☆☆☆☆
Found in Text Mining only
Atrial Septal Defects Atrial Septal Defect HPO_DG
★☆☆☆☆
Found in Text Mining only
BAND HETEROTOPIA Band Heterotopia BEFREE 24497998
★☆☆☆☆
Found in Text Mining only
Blepharoptosis Ptosis HPO_DG
★☆☆☆☆
Found in Text Mining only
Brain Diseases Brain disease Pubtator 26520804 Associate
★☆☆☆☆
Found in Text Mining only
Breast Carcinoma Breast Carcinoma BEFREE 16579640, 21249429, 23222510, 28027535, 31417306
★☆☆☆☆
Found in Text Mining only