serine/threonine protein kinase SIK2; Qin-induced kinase; salt-inducible protein kinase 2; SIK-2; serine/threonine-protein kinase SNF1-like kinase 2 (SIK2, KIAA0781, QIK, SNF1LK2)
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Function
- phosphorylates Ser-794 of IRS1 in insulin-stimulated adipocytes, potentially modulating efficiency of insulin signal transduction
- inhibits CREB activity by phosphorylating & repressing TORCs, the CREB-specific coactivators
- activated by phosphorylation on Thr-175
- phosphorylated at Thr-175 by STK11/LKB1 in complex with STE20-related adapter-alpha (STRADA) pseudo kinase & CAB39
- interacts with & phosphorylates TORC2/CRTC2
Structure
- belongs to the protein kinase superfamily, CAMK Ser/Thr protein kinase family, SNF1 subfamily
- contains 1 protein kinase domain
- contains 1 UBA domain