Ser113

Site Information
PTLQRsVsEEsANsL SwissProt Entrez-Gene
Blast this site against: NCBI SwissProt PDB
Site Group ID: 3983555
Associated spectra: 1 CST

In vivo Characterization
Methods used to characterize site in vivo:	mass spectrometry ( 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 )
Disease tissue studied:	breast cancer ( 3 , 4 ) , HER2 positive breast cancer ( 1 ) , luminal A breast cancer ( 1 ) , luminal B breast cancer ( 1 ) , breast cancer, triple negative ( 1 , 3 ) , leukemia ( 8 ) , chronic myelogenous leukemia ( 8 ) , ovarian cancer ( 3 )
Relevant cell line - cell type - tissue:	breast ( 1 , 3 ) , HeLa (cervical) ( 2 , 7 ) , HMLER ('stem, breast cancer') [CXCR4 (human), knockdown] ( 4 ) , HMLER ('stem, breast cancer') ( 4 ) , Jurkat (T lymphocyte) ( 5 ) , K562 (erythroid) ( 6 , 8 ) , ovary ( 3 )

Upstream Regulation
Treatments:	ischemia ( 3 )

References
1	Mertins P, et al. (2016) Proteogenomics connects somatic mutations to signalling in breast cancer. Nature 534, 55-62 27251275 Curated Info
2	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
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	Yi T, et al. (2014) Quantitative phosphoproteomic analysis reveals system-wide signaling pathways downstream of SDF-1/CXCR4 in breast cancer stem cells. Proc Natl Acad Sci U S A 111, E2182-90 24782546 Curated Info
5	Mertins P, et al. (2013) Integrated proteomic analysis of post-translational modifications by serial enrichment. Nat Methods 10, 634-7 23749302 Curated Info
6	Zhou H, et al. (2013) Toward a comprehensive characterization of a human cancer cell phosphoproteome. J Proteome Res 12, 260-71 23186163 Curated Info
7	Ruse CI, et al. (2008) Motif-specific sampling of phosphoproteomes. J Proteome Res 7, 2140-50 18452278 Curated Info
8	Possemato A (2007) CST Curation Set: 2722; Year: 2007; Biosample/Treatment: cell line, K562/untreated; 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-(Ser/Thr) PKD Substrate Antibody Cat#: 4381, PTMScan(R) Phospho-PKD Substrate Motif (LXRXXpS/pT) Immunoaffinity Beads Cat#: 1986 Curated Info