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Identification
HMDB Protein ID HMDBP01258
Secondary Accession Numbers
  • 6554
Name Serine/threonine-protein kinase Sgk1
Synonyms
  1. Serum/glucocorticoid-regulated kinase 1
Gene Name SGK1
Protein Type Unknown
Biological Properties
General Function Involved in protein serine/threonine kinase activity
Specific Function Protein kinase that plays an important role in cellular stress response. Activates certain potassium, sodium, and chloride channels, suggesting an involvement in the regulation of processes such as cell survival, neuronal excitability and renal sodium excretion. Sustained high levels and activity may contribute to conditions such as hypertension and diabetic nephropathy. Mediates cell survival signals, phosphorylates and negatively regulates pro-apoptotic FOXO3A. Phosphorylates NEDD4L, which leads to its inactivation and to the subsequent activation of various channels and transporters such as ENaC, KCNA3/Kv1.3 or EAAT1. Isoform 2 exhibited a greater effect on cell plasma membrane expression of ENaC and Na(+) transport than isoform 1
Pathways Not Available
Reactions Not Available
GO Classification
Function
binding
catalytic activity
transferase activity
transferase activity, transferring phosphorus-containing groups
kinase activity
nucleoside binding
purine nucleoside binding
adenyl nucleotide binding
adenyl ribonucleotide binding
atp binding
protein kinase activity
protein serine/threonine kinase activity
Process
phosphorus metabolic process
phosphate metabolic process
metabolic process
cellular metabolic process
protein amino acid phosphorylation
phosphorylation
Cellular Location
  1. Nucleus
  2. Cytoplasm
  3. Endoplasmic reticulum
Gene Properties
Chromosome Location Chromosome:6
Locus 6q23
SNPs SGK1
Gene Sequence
>1296 bp
ATGACGGTGAAAACTGAGGCTGCTAAGGGCACCCTCACTTACTCCAGGATGAGGGGCATG
GTGGCAATTCTCATCGCTTTCATGAAGCAGAGGAGGATGGGTCTGAACGACTTTATTCAG
AAGATTGCCAATAACTCCTATGCATGCAAACACCCTGAAGTTCAGTCCATCTTGAAGATC
TCCCAACCTCAGGAGCCTGAGCTTATGAATGCCAACCCTTCTCCTCCACCAAGTCCTTCT
CAGCAAATCAACCTTGGCCCGTCGTCCAATCCTCATGCTAAACCATCTGACTTTCACTTC
TTGAAAGTGATCGGAAAGGGCAGTTTTGGAAAGGTTCTTCTAGCAAGACACAAGGCAGAA
GAAGTGTTCTATGCAGTCAAAGTTTTACAGAAGAAAGCAATCCTGAAAAAGAAAGAGGAG
AAGCATATTATGTCGGAGCGGAATGTTCTGTTGAAGAATGTGAAGCACCCTTTCCTGGTG
GGCCTTCACTTCTCTTTCCAGACTGCTGACAAATTGTACTTTGTCCTAGACTACATTAAT
GGTGGAGAGTTGTTCTACCATCTCCAGAGGGAACGCTGCTTCCTGGAACCACGGGCTCGT
TTCTATGCTGCTGAAATAGCCAGTGCCTTGGGCTACCTGCATTCACTGAACATCGTTTAT
AGAGACTTAAAACCAGAGAATATTTTGCTAGATTCACAGGGACACATTGTCCTTACTGAT
TTCGGACTCTGCAAGGAGAACATTGAACACAACAGCACAACATCCACCTTCTGTGGCACG
CCGGAGTATCTCGCACCTGAGGTGCTTCATAAGCAGCCTTATGACAGGACTGTGGACTGG
TGGTGCCTGGGAGCTGTCTTGTATGAGATGCTGTATGGCCTGCCGCCTTTTTATAGCCGA
AACACAGCTGAAATGTACGACAACATTCTGAACAAGCCTCTCCAGCTGAAACCAAATATT
ACAAATTCCGCAAGACACCTCCTGGAGGGCCTCCTGCAGAAGGACAGGACAAAGCGGCTC
GGGGCCAAGGATGACTTCATGGAGATTAAGAGTCATGTCTTCTTCTCCTTAATTAACTGG
GATGATCTCATTAATAAGAAGATTACTCCCCCTTTTAACCCAAATGTGAGTGGGCCCAAC
GAGCTACGGCACTTTGACCCCGAGTTTACCGAAGAGCCTGTCCCCAACTCCATTGGCAAG
TCCCCTGACAGCGTCCTCGTCACAGCCAGCGTCAAGGAAGCTGCCGAGGCTTTCCTAGGC
TTTTCCTATGCGCCTCCCACGGACTCTTTCCTCTGA
Protein Properties
Number of Residues 431
Molecular Weight 48942.0
Theoretical pI 8.81
Pfam Domain Function
Signals
  • None
Transmembrane Regions
  • None
Protein Sequence
>Serine/threonine-protein kinase Sgk1
MTVKTEAAKGTLTYSRMRGMVAILIAFMKQRRMGLNDFIQKIANNSYACKHPEVQSILKI
SQPQEPELMNANPSPPPSPSQQINLGPSSNPHAKPSDFHFLKVIGKGSFGKVLLARHKAE
EVFYAVKVLQKKAILKKKEEKHIMSERNVLLKNVKHPFLVGLHFSFQTADKLYFVLDYIN
GGELFYHLQRERCFLEPRARFYAAEIASALGYLHSLNIVYRDLKPENILLDSQGHIVLTD
FGLCKENIEHNSTTSTFCGTPEYLAPEVLHKQPYDRTVDWWCLGAVLYEMLYGLPPFYSR
NTAEMYDNILNKPLQLKPNITNSARHLLEGLLQKDRTKRLGAKDDFMEIKSHVFFSLINW
DDLINKKITPPFNPNVSGPNDLRHFDPEFTEEPVPNSIGKSPDSVLVTASVKEAAEAFLG
FSYAPPTDSFL
GenBank ID Protein 1834511
UniProtKB/Swiss-Prot ID O00141
UniProtKB/Swiss-Prot Entry Name SGK1_HUMAN
PDB IDs Not Available
GenBank Gene ID Y10032
GeneCard ID SGK1
GenAtlas ID SGK1
HGNC ID HGNC:10810
References
General References
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  5. Oppermann FS, Gnad F, Olsen JV, Hornberger R, Greff Z, Keri G, Mann M, Daub H: Large-scale proteomics analysis of the human kinome. Mol Cell Proteomics. 2009 Jul;8(7):1751-64. doi: 10.1074/mcp.M800588-MCP200. Epub 2009 Apr 15. [PubMed:19369195 ]
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  7. Waldegger S, Barth P, Raber G, Lang F: Cloning and characterization of a putative human serine/threonine protein kinase transcriptionally modified during anisotonic and isotonic alterations of cell volume. Proc Natl Acad Sci U S A. 1997 Apr 29;94(9):4440-5. [PubMed:9114008 ]
  8. Waldegger S, Erdel M, Nagl UO, Barth P, Raber G, Steuer S, Utermann G, Paulmichl M, Lang F: Genomic organization and chromosomal localization of the human SGK protein kinase gene. Genomics. 1998 Jul 15;51(2):299-302. [PubMed:9722955 ]
  9. Raikwar NS, Snyder PM, Thomas CP: An evolutionarily conserved N-terminal Sgk1 variant with enhanced stability and improved function. Am J Physiol Renal Physiol. 2008 Nov;295(5):F1440-8. doi: 10.1152/ajprenal.90239.2008. Epub 2008 Aug 27. [PubMed:18753299 ]
  10. Kobayashi T, Deak M, Morrice N, Cohen P: Characterization of the structure and regulation of two novel isoforms of serum- and glucocorticoid-induced protein kinase. Biochem J. 1999 Nov 15;344 Pt 1:189-97. [PubMed:10548550 ]
  11. Kobayashi T, Cohen P: Activation of serum- and glucocorticoid-regulated protein kinase by agonists that activate phosphatidylinositide 3-kinase is mediated by 3-phosphoinositide-dependent protein kinase-1 (PDK1) and PDK2. Biochem J. 1999 Apr 15;339 ( Pt 2):319-28. [PubMed:10191262 ]
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  13. Brunet A, Park J, Tran H, Hu LS, Hemmings BA, Greenberg ME: Protein kinase SGK mediates survival signals by phosphorylating the forkhead transcription factor FKHRL1 (FOXO3a). Mol Cell Biol. 2001 Feb;21(3):952-65. [PubMed:11154281 ]
  14. Snyder PM, Olson DR, Thomas BC: Serum and glucocorticoid-regulated kinase modulates Nedd4-2-mediated inhibition of the epithelial Na+ channel. J Biol Chem. 2002 Jan 4;277(1):5-8. Epub 2001 Nov 5. [PubMed:11696533 ]
  15. Gamper N, Fillon S, Feng Y, Friedrich B, Lang PA, Henke G, Huber SM, Kobayashi T, Cohen P, Lang F: K+ channel activation by all three isoforms of serum- and glucocorticoid-dependent protein kinase SGK. Pflugers Arch. 2002 Oct;445(1):60-6. Epub 2002 Aug 28. [PubMed:12397388 ]
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