The Structure of PI3K: Difference between revisions
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==The Catalytic Subunit== | ==The Catalytic Subunit== | ||
===The Catalytic Subunit (P110) of Class 1 PI3Ks=== | ===The Catalytic Subunit (P110) of Class 1 PI3Ks=== | ||
The catalytic subunit, P110 has several isoforms that associate with different classes of PI3Ks. P110α, β, and δ associate with Class IA PI3Ks while p110γ associates with Class 1B PI3ks. <ref name="Wymann"/> The <scene name='User:David_Canner/Sandbox_P/Full/1'>p110α subunit contains several domains including</scene> an N-terminal adaptor-binding domain (ABD), a Ras binding domain (RBD) a C2 domain that likely binds to the cellular membrane, a helical domain (HD) with unknown function, and the actual catalytic kinase domain. <ref name="Amzel"> PMID: 19805105 </ref> The actions of these domains are coordinated by the nSH2 communicating domain in p85. | The catalytic subunit, P110 has several isoforms that associate with different classes of PI3Ks. P110α, β, and δ associate with Class IA PI3Ks while p110γ associates with Class 1B PI3ks. <ref name="Wymann"/> The <scene name='User:David_Canner/Sandbox_P/Full/1'>p110α subunit contains several domains including</scene> an N-terminal adaptor-binding domain (ABD), a Ras binding domain (RBD) a C2 domain that likely binds to the cellular membrane, a helical domain (HD) with unknown function, and the actual catalytic kinase domain. <ref name="Amzel"> PMID: 19805105 </ref> The actions of these domains are coordinated by the nSH2 communicating domain in p85. | ||
