Ser1221

Site Information
EsEtRsEssDFEVVP SwissProt Entrez-Gene
Blast this site against: NCBI SwissProt PDB
Site Group ID: 478735

In vivo Characterization
Methods used to characterize site in vivo:	mass spectrometry ( 1 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 )
Disease tissue studied:	leukemia ( 9 , 10 , 11 ) , lung cancer ( 12 ) , non-small cell lung cancer ( 12 )
Relevant cell line - cell type - tissue:	'3T3-L1, differentiated' (adipocyte) ( 5 ) , 'brain, embryonic' ( 23 ) , 32Dcl3 (myeloid) [FLT3 (mouse), transfection, chimera with human FLT3-ITD mutant (corresponding to wild type P36888 ( 8 ) , 32Dcl3 (myeloid) ( 8 ) , 3T3-L1 (fibroblast) ( 21 ) , BaF3 ('B lymphocyte, precursor') ( 20 ) , HL-1 (myocyte) [Akt1 (mouse), knockdown, stable lentiviral expression of Akt1 shRNA] ( 3 ) , HL-1 (myocyte) [Akt2 (mouse), knockdown, stable lentiviral expression of Akt2 shRNA] ( 3 ) , HL-1 (myocyte) ( 3 ) , kidney ( 6 ) , liver ( 1 , 4 , 22 ) , lung ( 12 ) , macrophage-bone marrow ( 7 ) , macrophage-bone marrow [DUSP1 (mouse), homozygous knockout] ( 7 ) , RAW 264.7 (macrophage) ( 9 , 10 , 11 )

Upstream Regulation
Treatments:	insulin ( 5 ) , LY294002 ( 5 ) , MK-2206 ( 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	Sacco F, et al. (2016) Glucose-regulated and drug-perturbed phosphoproteome reveals molecular mechanisms controlling insulin secretion. Nat Commun 7, 13250 27841257 Curated Info
3	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
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	Huttlin EL, et al. (2010) A tissue-specific atlas of mouse protein phosphorylation and expression. Cell 143, 1174-89 21183079 Curated Info
7	Weintz G, et al. (2010) The phosphoproteome of toll-like receptor-activated macrophages. Mol Syst Biol 6, 371 20531401 Curated Info
8	Choudhary C, et al. (2009) Mislocalized activation of oncogenic RTKs switches downstream signaling outcomes. Mol Cell 36, 326-39 19854140 Curated Info
9	Possemato A (2009) CST Curation Set: 6931; Year: 2009; Biosample/Treatment: cell line, RAW 264.7/LPS; Disease: leukemia; 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
10	Possemato A (2009) CST Curation Set: 6930; Year: 2009; Biosample/Treatment: cell line, RAW 264.7/LPS; Disease: leukemia; 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
11	Possemato A (2009) CST Curation Set: 6929; Year: 2009; Biosample/Treatment: cell line, RAW 264.7/control; Disease: leukemia; 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
12	Rikova K (2008) CST Curation Set: 4465; Year: 2008; Biosample/Treatment: tissue, lung/untreated; Disease: non-small cell lung 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
13	Guo A (2008) CST Curation Set: 4000; Year: 2008; Biosample/Treatment: cell line, E3 +/+/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
14	Guo A (2008) CST Curation Set: 4002; Year: 2008; Biosample/Treatment: cell line, E4 +/+/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	Guo A (2008) CST Curation Set: 4003; Year: 2008; Biosample/Treatment: cell line, E4 rictor del/del/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	Guo A (2008) CST Curation Set: 4004; Year: 2008; Biosample/Treatment: cell line, E5/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
17	Guo A (2007) CST Curation Set: 3462; Year: 2007; Biosample/Treatment: cell line, E2-1802/rapamycin; 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 (2007) CST Curation Set: 3463; Year: 2007; Biosample/Treatment: cell line, E6-rictor+/+/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 (2007) CST Curation Set: 3464; Year: 2007; Biosample/Treatment: cell line, E6-rictor-/-/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	Gu T (2007) CST Curation Set: 3419; Year: 2007; Biosample/Treatment: cell line, BaF3/IL3 withdrawal; Disease: chronic myelogenous leukemia; 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
21	Guo A (2007) CST Curation Set: 3217; Year: 2007; Biosample/Treatment: cell line, 3T3-L1/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
22	Guo A (2007) CST Curation Set: 3017; Year: 2007; Biosample/Treatment: tissue, liver/-; 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 (RXRXXT-P) (81E12B5) Rabbit mAb Cat#: 10003 Curated Info
23	Guo A (2007) CST Curation Set: 3022; Year: 2007; Biosample/Treatment: tissue, brain, embryonic/-; 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 (RXRXXT-P) (81E12B5) Rabbit mAb Cat#: 10003 Curated Info