Ser421

Site Information
YIGYRSYsPSFQRRT SwissProt Entrez-Gene
Blast this site against: NCBI SwissProt PDB
Site Group ID: 2049249

In vivo Characterization
Methods used to characterize site in vivo:	mass spectrometry ( 1 , 2 , 4 , 5 , 6 , 7 , 8 , 9 )
Disease tissue studied:	anthrax infection ( 7 )
Relevant cell line - cell type - tissue:	'3T3-L1, differentiated' (adipocyte) ( 5 ) , 'brain, cerebellum' ( 9 ) , 'brain, cerebral cortex' ( 9 ) , 'brain, hippocampus, dentate gyrus' ( 9 ) , 'brain, midbrain' ( 9 ) , brain ( 6 ) , HL-1 (myocyte) [Akt1 (mouse), knockdown, stable lentiviral expression of Akt1 shRNA] ( 2 ) , HL-1 (myocyte) [Akt2 (mouse), knockdown, stable lentiviral expression of Akt2 shRNA] ( 2 ) , HL-1 (myocyte) ( 2 ) , liver ( 1 , 4 ) , spleen ( 7 , 8 )

Upstream Regulation
Treatments:	insulin ( 5 ) , LY294002 ( 5 )

References
1	Robles MS, Humphrey SJ, Mann M (2017) Phosphorylation Is a Central Mechanism for Circadian Control of Metabolism and Physiology. Cell Metab 25, 118-127 27818261 Curated Info
2	Reinartz M, Raupach A, Kaisers W, Gödecke A (2014) AKT1 and AKT2 induce distinct phosphorylation patterns in HL-1 cardiac myocytes. J Proteome Res 13, 4232-45 25162660 Curated Info
3	Mertins P, et al. (2014) Ischemia in tumors induces early and sustained phosphorylation changes in stress kinase pathways but does not affect global protein levels. Mol Cell Proteomics 13, 1690-704 24719451 Curated Info
4	Wilson-Grady JT, Haas W, Gygi SP (2013) Quantitative comparison of the fasted and re-fed mouse liver phosphoproteomes using lower pH reductive dimethylation. Methods 61, 277-86 23567750 Curated Info
5	Humphrey SJ, et al. (2013) Dynamic Adipocyte Phosphoproteome Reveals that Akt Directly Regulates mTORC2. Cell Metab 17, 1009-20 23684622 Curated Info
6	Trinidad JC, et al. (2012) Global identification and characterization of both O-GlcNAcylation and phosphorylation at the murine synapse. Mol Cell Proteomics 11, 215-29 22645316 Curated Info
7	Manes NP, et al. (2011) Discovery of mouse spleen signaling responses to anthrax using label-free quantitative phosphoproteomics via mass spectrometry. Mol Cell Proteomics 10, M110.000927 21189417 Curated Info
8	Huttlin EL, et al. (2010) A tissue-specific atlas of mouse protein phosphorylation and expression. Cell 143, 1174-89 21183079 Curated Info
9	Trinidad JC, et al. (2008) Quantitative analysis of synaptic phosphorylation and protein expression. Mol Cell Proteomics 7, 684-96 18056256 Curated Info