Ser254

Site Information
FVPGRRAsLsDLtHL SwissProt Entrez-Gene
Blast this site against: NCBI SwissProt PDB
Site Group ID: 468620

In vivo Characterization
Methods used to characterize site in vivo:	mass spectrometry ( 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 )
Disease tissue studied:	melanoma skin cancer ( 21 ) , testicular cancer ( 16 )
Relevant cell line - cell type - tissue:	'3T3-L1, differentiated' (adipocyte) ( 4 , 6 ) , 'fat, brown' ( 11 ) , 32Dcl3 (myeloid) [FLT3 (mouse), transfection, chimera with human FLT3-ITD mutant (corresponding to wild type P36888 ( 20 ) , 32Dcl3 (myeloid) ( 20 ) , BaF3 ('B lymphocyte, precursor') [JAK3 (human), transfection] ( 1 ) , brain ( 9 , 11 , 13 ) , ES-J1 (stem) ( 14 ) , F9 (testicular) ( 16 ) , fibroblast-lung ( 17 , 18 , 19 ) , heart ( 11 ) , kidney ( 11 ) , liver ( 2 , 5 , 8 , 11 , 22 ) , liver [leptin (mouse), homozygous knockout] ( 8 ) , lung ( 11 ) , macrophage-bone marrow ( 12 ) , macrophage-bone marrow [DUSP1 (mouse), homozygous knockout] ( 12 ) , macrophage-peritoneum ( 7 ) , MC3T3-E1 (preosteoblast) ( 3 ) , MEF (fibroblast) [TSC2 (mouse), homozygous knockout] ( 10 ) , MEF (fibroblast) ( 10 ) , pancreas ( 11 ) , PYS-2 (epithelial) ( 15 ) , skin [mGluR1 (mouse), transgenic, TG mutant mice] ( 21 ) , spleen ( 11 ) , testis ( 11 )

Upstream Regulation
Treatments:	insulin ( 6 ) , LY294002 ( 6 )

References
1	Degryse S, et al. (2017) Mutant JAK3 phosphoproteomic profiling predicts synergism between JAK3 inhibitors and MEK/BCL2 inhibitors for the treatment of T-cell acute lymphoblastic leukemia. Leukemia 32 28852199 Curated Info
2	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
3	Williams GR, et al. (2016) Exploring G protein-coupled receptor signaling networks using SILAC-based phosphoproteomics. Methods 92, 36-50 26160508 Curated Info
4	Parker BL, et al. (2015) Targeted phosphoproteomics of insulin signaling using data-independent acquisition mass spectrometry. Sci Signal 8, rs6 26060331 Curated Info
5	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
6	Humphrey SJ, et al. (2013) Dynamic Adipocyte Phosphoproteome Reveals that Akt Directly Regulates mTORC2. Cell Metab 17, 1009-20 23684622 Curated Info
7	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
8	Grimsrud PA, et al. (2012) A quantitative map of the liver mitochondrial phosphoproteome reveals posttranslational control of ketogenesis. Cell Metab 16, 672-83 23140645 Curated Info
9	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
10	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
11	Huttlin EL, et al. (2010) A tissue-specific atlas of mouse protein phosphorylation and expression. Cell 143, 1174-89 21183079 Curated Info
12	Weintz G, et al. (2010) The phosphoproteome of toll-like receptor-activated macrophages. Mol Syst Biol 6, 371 20531401 Curated Info
13	Wiśniewski JR, et al. (2010) Brain phosphoproteome obtained by a FASP-based method reveals plasma membrane protein topology. J Proteome Res 9, 3280-9 20415495 Curated Info
14	Zhou J (2010) CST Curation Set: 9664; Year: 2010; Biosample/Treatment: cell line, ES J1/untreated; Disease: -; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: RXXp[ST] Antibodies Used to Purify Peptides prior to LCMS: Phospho-Akt Substrate (RXRXXS/T) (110B7) Rabbit mAb Cat#: 9614, PTMScan(R) Phospho-Akt Substrate Motif (RXXS/T) Immunoaffinity Beads Cat#: 1978 Curated Info
15	Zhou J (2010) CST Curation Set: 9669; Year: 2010; Biosample/Treatment: cell line, PY2/untreated; Disease: -; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: RXXp[ST] Antibodies Used to Purify Peptides prior to LCMS: Phospho-Akt Substrate (RXRXXS/T) (110B7) Rabbit mAb Cat#: 9614, PTMScan(R) Phospho-Akt Substrate Motif (RXXS/T) Immunoaffinity Beads Cat#: 1978 Curated Info
16	Zhou J (2010) CST Curation Set: 9665; Year: 2010; Biosample/Treatment: cell line, F9/untreated; Disease: testicular cancer; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: RXXp[ST] Antibodies Used to Purify Peptides prior to LCMS: Phospho-Akt Substrate (RXRXXS/T) (110B7) Rabbit mAb Cat#: 9614, PTMScan(R) Phospho-Akt Substrate Motif (RXXS/T) Immunoaffinity Beads Cat#: 1978 Curated Info
17	Guo A (2010) CST Curation Set: 9027; Year: 2010; Biosample/Treatment: cell line, mouse lung fibroblasts/untreated; Disease: -; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: RXXp[ST] Antibodies Used to Purify Peptides prior to LCMS: Phospho-Akt Substrate (RXRXXS/T) (110B7) Rabbit mAb Cat#: 9614, PTMScan(R) Phospho-Akt Substrate Motif (RXXS/T) Immunoaffinity Beads Cat#: 1978 Curated Info
18	Guo A (2010) CST Curation Set: 9026; Year: 2010; Biosample/Treatment: cell line, mouse lung fibroblasts/untreated; Disease: -; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: RXXp[ST] Antibodies Used to Purify Peptides prior to LCMS: Phospho-Akt Substrate (RXRXXS/T) (110B7) Rabbit mAb Cat#: 9614, PTMScan(R) Phospho-Akt Substrate Motif (RXXS/T) Immunoaffinity Beads Cat#: 1978 Curated Info
19	Guo A (2010) CST Curation Set: 9029; Year: 2010; Biosample/Treatment: cell line, mouse lung fibroblasts/untreated; Disease: -; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: RXXp[ST] Antibodies Used to Purify Peptides prior to LCMS: Phospho-Akt Substrate (RXRXXS/T) (110B7) Rabbit mAb Cat#: 9614, PTMScan(R) Phospho-Akt Substrate Motif (RXXS/T) Immunoaffinity Beads Cat#: 1978 Curated Info
20	Choudhary C, et al. (2009) Mislocalized activation of oncogenic RTKs switches downstream signaling outcomes. Mol Cell 36, 326-39 19854140 Curated Info
21	Zanivan S, et al. (2008) Solid tumor proteome and phosphoproteome analysis by high resolution mass spectrometry. J Proteome Res 7, 5314-26 19367708 Curated Info
22	Villén J, Beausoleil SA, Gerber SA, Gygi SP (2007) Large-scale phosphorylation analysis of mouse liver. Proc Natl Acad Sci U S A 104, 1488-93 17242355 Curated Info