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A Human Protein Kinase Bγ with Regulatory Phosphorylation Sites in the Activation Loop and in the C-terminal Hydrophobic Domain
Open accessAbstract
We have cloned human protein kinase Bgamma (PKBgamma) and found that it contains two regulatory phosphorylation sites, Thr305 and Ser472, which correspond to Thr308 and Ser473 of PKBalpha. Thus it differs significantly from the previously published rat PKBgamma. We have also isolated a similar clone from a mouse cDNA library. In human tissues, PKBgamma is widely expressed as two transcripts. A mutational analysis of the two regulatory sites of human PKBgamma showed that phosphorylation of both sites, occurring in a phosphoinositide 3-kinase-dependent manner, is required for full activity. Our results suggest that the two phosphorylation sites act in concert to produce full activation of PKBgamma, similar to PKBalpha. This contrasts with rat PKBgamma, which is thought to be regulated by 3-phosphoinositide-dependent protein kinase 1 alone.
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Phosphorylation and Activation of p70 s6k by PDK1
Pullen, N., Dennis, P. B., Andjelkovic, M., Dufner, A., Kozma, S. C., Hemmings, B. A., & Thomas, G. (1998) · Science · doi:10.1126/science.279.5351.707 · Cited by 826
Self-citationMitogenic Activation, Phosphorylation, and Nuclear Translocation of Protein Kinase Bβ
Meier, R., Alessi, D. R., Cron, P., Andjelković, M., & Hemmings, B. A. (1997) · Journal of Biological Chemistry · doi:10.1074/jbc.272.48.30491 · Cited by 378
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Cited by
Cellular survival: a play in three Akts
Datta, S. R., Brunet, A., & Greenberg, M. E. (1999) · Genes & Development · doi:10.1101/gad.13.22.2905 · Cited by 4,216
The PI3K‒PDK1 connection: more than just a road to PKB
Vanhaesebroeck, B., & Alessi, D. R. (2000) · Biochemical Journal · doi:10.1042/0264-6021:3460561 · Cited by 1,644
Bhaskar, P. T., & Hay, N. (2007) · Developmental Cell · doi:10.1016/j.devcel.2007.03.020 · Cited by 798
Finding of Rare Disease Genes (FORGE) Canada Consortium, Rivière, J.-B., Mirzaa, G. M., O'Roak, B. J., Beddaoui, M., Alcantara, D., Conway, R. L., St-Onge, J., Schwartzentruber, J. A., Gripp, K. W., et al. (2012) · Nature Genetics · doi:10.1038/ng.2331 · Cited by 741
Garofalo, R. S., Orena, S. J., Rafidi, K., Torchia, A. J., Stock, J. L., Hildebrandt, A. L., Coskran, T., Black, S. C., Brees, D. J., Wicks, J. R., et al. (2003) · Journal of Clinical Investigation · doi:10.1172/jci16885 · Cited by 726
Metadata
- Authors
- Brodbeck, D., Cron, P., & Hemmings, B. A.
- Venue
- Journal of Biological Chemistry
- Publisher
- Elsevier BV
- Published
- 1999-04
- Volume
- 274
- Issue
- 14
- Pages
- 9133-9136
- ISSN
- 0021-9258 (ISSN-L)
- OpenAlex
- W2107813980
- Cited by
- 204
- References
- 2
- FWCI
- 3.59
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Brodbeck, D., Cron, P., & Hemmings, B. A. (1999). A Human Protein Kinase Bγ with Regulatory Phosphorylation Sites in the Activation Loop and in the C-terminal Hydrophobic Domain. Journal of Biological Chemistry. https://doi.org/10.1074/jbc.274.14.9133
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