Ser21

Site Information
ARPPRREsWIsDIRA SwissProt Entrez-Gene
Blast this site against: NCBI SwissProt PDB
Site Group ID: 3193288

In vivo Characterization
Methods used to characterize site in vivo:	mass spectrometry ( 1 , 2 , 3 , 4 , 5 , 7 , 8 , 9 , 11 , 12 , 13 , 14 , 15 , 16 , 17 )
Disease tissue studied:	breast cancer ( 3 ) , breast ductal carcinoma ( 3 ) , 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 , 3 ) , cervical cancer ( 15 ) , cervical adenocarcinoma ( 15 ) , leukemia ( 11 ) , acute myelogenous leukemia ( 11 ) , lung cancer ( 8 ) , non-small cell lung cancer ( 8 ) , melanoma skin cancer ( 2 )
Relevant cell line - cell type - tissue:	293 (epithelial) ( 12 , 13 ) , breast ( 1 , 3 ) , Flp-In T-Rex-293 (epithelial) [PRKD1 (human), genetic knockin] ( 9 ) , Flp-In T-Rex-293 (epithelial) ( 9 ) , H2077 (pulmonary) ( 8 ) , H322M (pulmonary) ( 8 ) , HeLa (cervical) ( 14 , 16 ) , HeLa S3 (cervical) ( 15 ) , Jurkat (T lymphocyte) ( 5 ) , K562 (erythroid) ( 7 ) , KG-1 (myeloid) ( 11 ) , liver ( 4 ) , NCI-H1568 (pulmonary) ( 8 ) , NCI-H2030 (pulmonary) ( 8 ) , NCI-H647 (pulmonary) ( 8 ) , WM239A (melanocyte) ( 2 )

Upstream Regulation
Treatments:	nocodazole ( 15 )

References
1	Mertins P, et al. (2016) Proteogenomics connects somatic mutations to signalling in breast cancer. Nature 534, 55-62 27251275 Curated Info
2	Stuart SA, et al. (2015) A Phosphoproteomic Comparison of B-RAFV600E and MKK1/2 Inhibitors in Melanoma Cells. Mol Cell Proteomics 14, 1599-615 25850435 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	Bian Y, et al. (2014) An enzyme assisted RP-RPLC approach for in-depth analysis of human liver phosphoproteome. J Proteomics 96, 253-62 24275569 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	Shiromizu T, et al. (2013) Identification of missing proteins in the neXtProt database and unregistered phosphopeptides in the PhosphoSitePlus database as part of the Chromosome-centric Human Proteome Project. J Proteome Res 12, 2414-21 23312004 Curated Info
7	Zhou H, et al. (2013) Toward a comprehensive characterization of a human cancer cell phosphoproteome. J Proteome Res 12, 260-71 23186163 Curated Info
8	Klammer M, et al. (2012) Phosphosignature predicts dasatinib response in non-small cell lung cancer. Mol Cell Proteomics 11, 651-68 22617229 Curated Info
9	Franz-Wachtel M, et al. (2012) Global detection of protein kinase D-dependent phosphorylation events in nocodazole-treated human cells. Mol Cell Proteomics 11, 160-70 22496350 Curated Info
10	Beli P, et al. (2012) Proteomic Investigations Reveal a Role for RNA Processing Factor THRAP3 in the DNA Damage Response. Mol Cell 46, 212-25 22424773 Curated Info
11	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
12	Mulhern D (2011) CST Curation Set: 12829; Year: 2011; Biosample/Treatment: cell line, HEK 293/rapamycin; Disease: -; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: RXXp[ST] Antibodies Used to Purify Peptides prior to LCMS: Phospho-(Ser/Thr) AMPK Substrate (P-S/T(2)-102) Rabbit mAb Cat#: 5759, PTMScan(R) Phospho-AMPK Substrate Motif (LXRXXS/T) Immunoaffinity Beads Cat#: 5760 Curated Info
13	Mulhern D (2011) CST Curation Set: 12830; Year: 2011; Biosample/Treatment: cell line, HEK 293/untreated; Disease: -; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: RXXp[ST] Antibodies Used to Purify Peptides prior to LCMS: Phospho-(Ser/Thr) AMPK Substrate (P-S/T(2)-102) Rabbit mAb Cat#: 5759, PTMScan(R) Phospho-AMPK Substrate Motif (LXRXXS/T) Immunoaffinity Beads Cat#: 5760 Curated Info
14	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
15	Olsen JV, et al. (2010) Quantitative phosphoproteomics reveals widespread full phosphorylation site occupancy during mitosis. Sci Signal 3, ra3 20068231 Curated Info
16	Dephoure N, et al. (2008) A quantitative atlas of mitotic phosphorylation. Proc Natl Acad Sci U S A 105, 10762-7 18669648 Curated Info
17	Li Y (2007) CST Curation Set: 3559; Year: 2007; Biosample/Treatment: tissue, colon/untreated; Disease: colorectal 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