Ser239

Site Information
PDLRsMVsPVPsPtG SwissProt Entrez-Gene
Blast this site against: NCBI SwissProt PDB
Site Group ID: 3244904

In vivo Characterization
Methods used to characterize site in vivo:	mass spectrometry ( 1 , 2 , 3 , 4 , 5 , 6 , 8 , 9 , 10 , 11 , 12 )
Disease tissue studied:	breast cancer ( 3 , 5 , 6 ) , breast ductal carcinoma ( 5 ) , breast cancer, triple negative ( 5 ) , leukemia ( 9 ) , acute myelogenous leukemia ( 9 ) , neuroblastoma ( 1 )
Relevant cell line - cell type - tissue:	293 (epithelial) ( 11 ) , breast ( 5 ) , BT-474 (breast cell) ( 3 ) , CLB-Bar ( 1 ) , HeLa (cervical) ( 4 , 10 , 12 ) , HMLER ('stem, breast cancer') [CXCR4 (human), knockdown] ( 6 ) , HMLER ('stem, breast cancer') ( 6 ) , Jurkat (T lymphocyte) ( 8 ) , KG-1 (myeloid) ( 9 ) , MCF-7 (breast cell) ( 2 , 3 )

Upstream Regulation
Treatments:	metformin ( 2 ) , MLN8054 ( 10 )

References
1	Borenäs M, et al. (2024) ALK signaling primes the DNA damage response sensitizing ALK-driven neuroblastoma to therapeutic ATR inhibition. Proc Natl Acad Sci U S A 121, e2315242121 38154064 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	Carrier M, et al. (2016) Phosphoproteome and Transcriptome of RA-Responsive and RA-Resistant Breast Cancer Cell Lines. PLoS One 11, e0157290 27362937 Curated Info
4	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
5	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
6	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
7	Schweppe DK, Rigas JR, Gerber SA (2013) Quantitative phosphoproteomic profiling of human non-small cell lung cancer tumors. J Proteomics 91, 286-96 23911959 Curated Info
8	Mertins P, et al. (2013) Integrated proteomic analysis of post-translational modifications by serial enrichment. Nat Methods 10, 634-7 23749302 Curated Info
9	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
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	Gauci S, et al. (2009) Lys-N and trypsin cover complementary parts of the phosphoproteome in a refined SCX-based approach. Anal Chem 81, 4493-501 19413330 Curated Info
12	Dephoure N, et al. (2008) A quantitative atlas of mitotic phosphorylation. Proc Natl Acad Sci U S A 105, 10762-7 18669648 Curated Info