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- Table of Contents
2 Citations 1 Q&As
1 Citations 5 Q&As
Facts about Phosphatidylinositol 3-kinase regulatory subunit beta.
Binds to activated (phosphorylated) protein-tyrosine kinases, through its SH2 domain, and acts as an adapter, mediating the association of the p110 catalytic unit to the plasma membrane. Indirectly regulates autophagy (PubMed:23604317).
| Human | |
|---|---|
| Gene Name: | PIK3R2 |
| Uniprot: | O00459 |
| Entrez: | 5296 |

| Belongs to: |
|---|
| PI3K p85 subunit family |

P85B; p85-beta; phosphatidylinositol 3-kinase 85 kDa regulatory subunit beta; phosphatidylinositol 3-kinase regulatory subunit beta; phosphatidylinositol 3-kinase, regulatory subunit, polypeptide 2 (p85 beta); phosphoinositide-3-kinase, regulatory subunit 2 (beta); phosphoinositide-3-kinase, regulatory subunit 2 (p85 beta); phosphoinositide-3-kinase, regulatory subunit, polypeptide 2 (p85 beta); PI 3Kinase p85 beta; PI 3-Kinase p85 beta; PI3K regulatory subunit beta; PI3-kinase regulatory subunit beta; PI3-kinase subunit p85-beta; PIK3R2; ptdIns-3-kinase regulatory subunit beta; ptdIns-3-kinas
Mass (kDA):
81.545 kDA

| Human | |
|---|---|
| Location: | 19p13.11 |
| Sequence: | 19; NC_000019.10 (18153163..18170532) |




PMID: 1314371 by Volinia S., et al. Chromosomal localization of human p85 alpha, a subunit of phosphatidylinositol 3-kinase, and its homologue p85 beta.
PMID: 9582025 by Janssen J.W.G., et al. An oncogenic fusion product of the phosphatidylinositol 3-kinase p85beta subunit and HUMORF8, a putative deubiquitinating enzyme.
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