Tissue expression
Cell line expression
Protein structure
PIK3R1
Phosphoinositide-3-kinase regulatory subunit 1GRB1, p85, p85-ALPHA
Phosphatidylinositol 3-kinase phosphorylates the inositol ring of phosphatidylinositol at the 3-prime position. The enzyme comprises a 110 kD catalytic subunit and a regulatory subunit of either 85, 55, or 50 kD. This gene encodes the 85 kD regulatory subunit. Phosphatidylinositol 3-kinase plays an important role in the metabolic actions of insulin, and a mutation in this gene has been associated with insulin resistance. Alternative splicing of this gene results in four transcript variants encoding different isoforms. [provided by RefSeq, Jun 2011]
Top validated antibodies |
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antibodies-online | ![]() |
2 references | Monoclonal |
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GeneTex | ![]() |
1 references | Monoclonal |
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Novus Biologicals | ![]() |
1 references | Monoclonal |
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Proteintech Group | ![]() |
164 references | Monoclonal |
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Abnova Corporation | ![]() |
1 references | Monoclonal |
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