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Class Ib Phosphatidylinositol 3-Kinase MeSH Descriptor Data 2026


MeSH Heading
Class Ib Phosphatidylinositol 3-Kinase
Tree Number(s)
D08.811.913.696.620.500.100.100.200
D08.811.913.696.620.500.200.100.200
D12.776.476.556.100.100.200
D12.776.476.556.200.100.200
Unique ID
D058544
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D058544
Scope Note
A phosphatidylinositol 3-kinase subclass that includes enzymes formed through the association of a p110gamma catalytic subunit and one of the three regulatory subunits of 84, 87, and 101 kDa in size. This subclass of enzymes is a downstream target of G PROTEIN-COUPLED RECEPTORS.
Entry Term(s)
Class Ib Phosphatidylinositol 3-Kinase, p101 Subunit
Class Ib Phosphatidylinositol 3-Kinase, p110gamma Subunit
Class Ib Phosphatidylinositol 3-Kinase, p84 Subunit
Class Ib Phosphatidylinositol 3-Kinase, p87 Subunit
Class Ib Phosphatidylinositol 3-Kinases
Phosphatidylinositol 3-Kinase, Class Ib
Phosphoinositide-3-Kinase, Catalytic, gamma Polypeptide
Phosphoinositide-3-Kinase, Regulatory Subunit 5
p101 Subunit, Phosphoinositide-3-Kinase
p110gamma Subunit, Class Ib Phosphatidylinositol 3-Kinase
p84 Subunit, Class Ib Phosphatidylinositol 3-Kinase
p87 Subunit, Class Ib Phosphatidylinositol 3-Kinase
Registry Numbers
EC 2.7.1.137
EC 2.7.1.154
0
Related Numbers
EC 2.7.1.154
Previous Indexing
Phosphatidylinositol 3-Kinases (1998-2010)
Public MeSH Note
2011
History Note
2011
Date Introduced
2011/01/01
Last Updated
2021/05/21
Class Ib Phosphatidylinositol 3-Kinase Preferred
Class Ib Phosphatidylinositol 3-Kinase, p110gamma Subunit Narrower
Class Ib Phosphatidylinositol 3-Kinase, p101 Subunit Narrower
Class Ib Phosphatidylinositol 3-Kinase, p87 Subunit Narrower
Class Ib Phosphatidylinositol 3-Kinase, p84 Subunit Narrower
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