Ser123

Site Information
KtEsGyGsEssLRRH SwissProt Entrez-Gene
Blast this site against: NCBI SwissProt PDB
Site Group ID: 4777459

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 )
Disease tissue studied:	HER2 positive breast cancer ( 1 ) , luminal A breast cancer ( 1 ) , luminal B breast cancer ( 1 ) , breast cancer, surrounding tissue ( 1 ) , breast cancer, triple negative ( 1 ) , leukemia ( 6 ) , acute myelogenous leukemia ( 6 ) , lung cancer ( 5 ) , non-small cell lung cancer ( 5 )
Relevant cell line - cell type - tissue:	293E (epithelial) ( 7 ) , breast ( 1 ) , HCC2279 (pulmonary) ( 5 ) , HeLa (cervical) ( 3 , 10 ) , Jurkat (T lymphocyte) ( 4 , 8 , 9 , 11 , 12 , 13 ) , KG-1 (myeloid) ( 6 ) , MCF-7 (breast cell) ( 2 ) , NCI-H2172 (pulmonary) ( 5 )

Upstream Regulation
Treatments:	metformin ( 2 )

References
1	Mertins P, et al. (2016) Proteogenomics connects somatic mutations to signalling in breast cancer. Nature 534, 55-62 27251275 Curated Info
2	Sacco F, et al. (2016) Deep Proteomics of Breast Cancer Cells Reveals that Metformin Rewires Signaling Networks Away from a Pro-growth State. Cell Syst 2, 159-71 27135362 Curated Info
3	Sharma K, et al. (2014) Ultradeep human phosphoproteome reveals a distinct regulatory nature of Tyr and Ser/Thr-based signaling. Cell Rep 8, 1583-94 25159151 Curated Info
4	Mertins P, et al. (2013) Integrated proteomic analysis of post-translational modifications by serial enrichment. Nat Methods 10, 634-7 23749302 Curated Info
5	Klammer M, et al. (2012) Phosphosignature predicts dasatinib response in non-small cell lung cancer. Mol Cell Proteomics 11, 651-68 22617229 Curated Info
6	Weber C, Schreiber TB, Daub H (2012) Dual phosphoproteomics and chemical proteomics analysis of erlotinib and gefitinib interference in acute myeloid leukemia cells. J Proteomics 75, 1343-56 22115753 Curated Info
7	Hsu PP, et al. (2011) The mTOR-regulated phosphoproteome reveals a mechanism of mTORC1-mediated inhibition of growth factor signaling. Science 332, 1317-22 21659604 Curated Info
8	Guo A (2011) CST Curation Set: 11986; Year: 2011; Biosample/Treatment: cell line, Jurkat/calyculin_A & pervanadate; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[ST]XP Curated Info
9	Guo A (2011) CST Curation Set: 11987; Year: 2011; Biosample/Treatment: cell line, Jurkat/calyculin_A & pervanadate; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[ST]XP Curated Info
10	Kettenbach AN, et al. (2011) Quantitative phosphoproteomics identifies substrates and functional modules of aurora and polo-like kinase activities in mitotic cells. Sci Signal 4, rs5 21712546 Curated Info
11	Possemato A (2010) CST Curation Set: 9074; Year: 2010; Biosample/Treatment: cell line, Jurkat/calyculin_A & pervanadate; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: (F/Y)XpSAntibodies Used to Purify Peptides prior to LCMS: Phospho-(Ser) Arg-X-Tyr/Phe-X-pSer Motif Antibody Cat#: 2981 Curated Info
12	Possemato A (2010) CST Curation Set: 9073; Year: 2010; Biosample/Treatment: cell line, Jurkat/calyculin_A & pervanadate; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: (F/Y)XpS Curated Info
13	Possemato A (2008) CST Curation Set: 3661; Year: 2008; Biosample/Treatment: cell line, Jurkat/calyculin_A & pervanadate; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS:pSXXXpS Curated Info