8h33
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Cryo-EM Structure of the KBTBD2-Cul3-Rbx1 tetrameric complex
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Structural highlights
FunctionKBTB2_HUMAN Substrate-specific adapter of a BCR (BTB-CUL3-RBX1) E3 ubiquitin ligase complex that acts as a regulator of the insulin signaling pathway, modulating insulin sensitivity by limiting PIK3R1/p85alpha abundance in adipocytes. Targets PIK3R1, the regulatory subunit of phosphatidylinositol 3-kinase (PI3K), for 'Lys-48'-linked polyubiquitination and proteasome-mediated degradation.[1] See AlsoReferences
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This page was last modified 09:32, 20 March 2024.