Ser21

Site Information
AQPNQPDsPQETQII SwissProt Entrez-Gene
Blast this site against: NCBI SwissProt PDB
Site Group ID: 3178839

In vivo Characterization
Methods used to characterize site in vivo:	mass spectrometry ( 2 , 3 , 4 , 5 , 6 , 7 )
Relevant cell line - cell type - tissue:	32Dcl3 (myeloid) [FLT3 (mouse), transfection, chimera with human FLT3-ITD mutant (corresponding to wild type P36888 ( 7 ) , 32Dcl3 (myeloid) ( 7 ) , 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 ) , macrophage-peritoneum ( 4 ) , MEF (fibroblast) [Raptor (mouse), knockdown] ( 3 ) , MEF (fibroblast) [RICTOR (mouse), knockdown] ( 3 ) , MEF (fibroblast) ( 3 , 5 ) , spleen ( 6 )

In vivo Characterization

Methods used to characterize site in vivo:

mass spectrometry ( 2 , 3 , 4 , 5 , 6 , 7 )

Relevant cell line - cell type - tissue:

32Dcl3 (myeloid) [FLT3 (mouse), transfection, chimera with human FLT3-ITD mutant (corresponding to wild type P36888 ( 7 ) , 32Dcl3 (myeloid) ( 7 ) , 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 ) , macrophage-peritoneum ( 4 ) , MEF (fibroblast) [Raptor (mouse), knockdown] ( 3 ) , MEF (fibroblast) [RICTOR (mouse), knockdown] ( 3 ) , MEF (fibroblast) ( 3 , 5 ) , spleen ( 6 )

References
1	Sacco F, et al. (2016) Glucose-regulated and drug-perturbed phosphoproteome reveals molecular mechanisms controlling insulin secretion. Nat Commun 7, 13250 27841257 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	Robitaille AM, et al. (2013) Quantitative phosphoproteomics reveal mTORC1 activates de novo pyrimidine synthesis. Science 339, 1320-3 23429704 Curated Info
4	Wu X, et al. (2012) Investigation of receptor interacting protein (RIP3)-dependent protein phosphorylation by quantitative phosphoproteomics. Mol Cell Proteomics 11, 1640-51 22942356 Curated Info
5	Yu Y, et al. (2011) Phosphoproteomic analysis identifies Grb10 as an mTORC1 substrate that negatively regulates insulin signaling. Science 332, 1322-6 21659605 Curated Info
6	Huttlin EL, et al. (2010) A tissue-specific atlas of mouse protein phosphorylation and expression. Cell 143, 1174-89 21183079 Curated Info
7	Choudhary C, et al. (2009) Mislocalized activation of oncogenic RTKs switches downstream signaling outcomes. Mol Cell 36, 326-39 19854140 Curated Info