Overview:
SGK3 is a member of the SGK family and encodes a phosphoprotein with a PX (phox homology) domain. PKD1 can phosphorylate and activate SGK3 in vitro (1). A 10-fold increase in PKD1 increases the phosphorylation status of SGK3. When expressed in human embryonic kidney cells, IGF1 and peroxide significantly activate SGK3, and the activation could be reduced by preincubation with inhibitors of PI3 kinase. A yeast 2-hybrid screen found direct interaction between human SGK3 and GSK3β. SGK3 phosphorylates several target proteins and has a role in neutral amino acid transport and activation of potassium and chloride channels (2).
Gene Aliases:
CISK, SGKL
Genbank Number:
NM_013257
References:
1.Kobayashi, T. et al: Characterization of the structure and regulation of two novel isoforms of serum- and glucocorticoid-induced protein kinase. Biochem. J. 344: 189-197, 1999.2.Gamper, N. et al: K+ channel activation by all three isoforms of serum- and glucocorticoid-dependent protein kinase SGK. Europ. J. Physiol. 445: 60-66, 2002.
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那糖酵解中依赖NAD的酶不是要在线粒体内反应?
蛋白酶分布广泛,主要存在于人和动物消化道中,而消化道通过口与肛门与外界相通,属于外环境或外界环境
(溶菌酶、凝血酶原等)分布在内环境
(消化)酶分布在消化道

