SGK2

SGK2

Target · Serine/threonine kinase

SGK2 Serum/glucocorticoid regulated kinase 2 · Serine/threonine-protein kinase Sgk2

SGK2 (serum/glucocorticoid regulated kinase 2) is a serine/threonine protein kinase of the AGC kinase family. It regulates ion channels, membrane transporters and cell growth, survival and proliferation, and is related to SGK1 and SGK3. Browse Assay Genie's current range of SGK2 research reagents below, or read on for the biology behind the target.

Cytoplasm and nucleusAGC Ser/Thr kinaseInduced by PI3K signals
367 aa
Protein length
~41 kDa
Molecular weight
20q13.12
Gene locus
EC 2.7.11.1
Enzyme class
Target information

What is SGK2 (serum/glucocorticoid regulated kinase 2)?

SGK2 is a serine/threonine-protein kinase involved in the regulation of a wide variety of ion channels, membrane transporters, cell growth, survival and proliferation. It acts largely by up-regulating its targets. These include the sodium channel SCNN1A/ENAC, the potassium channels KCNA3/Kv1.3, KCNE1 and KCNQ1, the amino acid transporter SLC6A19, the glutamate transporter SLC1A6/EAAT4, the glutamate receptors GRIA1/GLUR1 and GRIK2/GLUR6, the Na(+)/H(+) exchanger SLC9A3/NHE3 and the Na(+)/K(+) ATPase. This breadth places the kinase at the interface between signalling and membrane transport.

The SGK2 protein belongs to the protein kinase superfamily and the AGC Ser/Thr protein kinase family, and is classed by HGNC in the serum/glucocorticoid regulated kinase family. It is found in the cytoplasm and the nucleus. The SGK2 gene encodes a catalytically active kinase (EC 2.7.11.1), and alternative splicing is reported to give rise to multiple transcript variants. Mouse and rat both carry an Sgk2 ortholog.

The name reflects its similarity to serum- and glucocorticoid-induced protein kinase (SGK, now SGK1). Unlike that kinase, however, the SGK2 gene is not induced by serum or glucocorticoids. It is induced in response to signals that activate phosphatidylinositol 3-kinase, which is also true of SGK1. HGNC also records the earlier name SGK2, serine/threonine kinase 2. These shared and distinct regulatory features make SGK2 a useful point of comparison when studying the wider SGK family.

Ion channel regulation

SGK2 up-regulates channels including ENaC, Kv1.3, KCNE1 and KCNQ1, making it relevant to studies of how kinase signalling controls ion flux.

Membrane transporter biology

The kinase up-regulates transporters such as SLC6A19, EAAT4, NHE3 and the Na(+)/K(+) ATPase, supporting work on transport regulation.

PI3K signalling studies

SGK2 is induced in response to phosphatidylinositol 3-kinase activating signals, so it is a readout for this pathway.

Cell growth and survival

SGK2 is involved in regulating cell growth, survival and proliferation, which makes it a candidate for studying these processes.

Background

SGK2 frequently asked questions

What does SGK2 do?

SGK2 is a serine/threonine kinase involved in regulating ion channels, membrane transporters, cell growth, survival and proliferation. It up-regulates targets including ENaC, Kv1.3, KCNQ1, SLC6A19, EAAT4, GLUR1, GLUR6, NHE3 and the Na(+)/K(+) ATPase. Check the datasheet of any product for its validated reactivity.

How does SGK2 differ from SGK1?

SGK2 is similar to serum- and glucocorticoid-induced protein kinase (SGK1), but its gene is not induced by serum or glucocorticoids. Like SGK1, it is induced in response to signals that activate phosphatidylinositol 3-kinase. SGK3 is a further member of the same family.

Is SGK2 conserved in mouse and rat?

Yes. Mouse and rat each have an Sgk2 ortholog of the human gene. Alternative splicing of the human gene gives multiple transcript variants. Check the datasheet of any product for its validated reactivity before using it with a given species.

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Related targets

Other members of the serum/glucocorticoid regulated kinase family with products at Assay Genie.

Gene and protein annotations from HGNC, NCBI Gene and UniProt Q9HBY8; product specifications from Assay Genie datasheets.

SGK2 Product listing