Ser43

Site Information
SSSSRsRsFtLDDEs SwissProt Entrez-Gene
Blast this site against: NCBI SwissProt PDB
Site Group ID: 480487

In vivo Characterization
Methods used to characterize site in vivo:	mass spectrometry ( 1 , 2 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 12 , 13 , 14 , 15 , 17 , 18 , 19 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 ) , mass spectrometry (in vitro) ( 20 )
Disease tissue studied:	breast cancer ( 6 , 7 , 13 , 14 ) , breast ductal carcinoma ( 6 ) , HER2 positive breast cancer ( 2 ) , luminal A breast cancer ( 2 ) , luminal B breast cancer ( 2 ) , breast cancer, surrounding tissue ( 2 ) , breast cancer, triple negative ( 2 , 6 ) , cervical cancer ( 26 ) , cervical adenocarcinoma ( 26 ) , gastric cancer ( 21 , 22 ) , gastric carcinoma ( 21 , 22 ) , leukemia ( 18 ) , acute myelogenous leukemia ( 18 ) , lung cancer ( 8 , 14 ) , non-small cell lung cancer ( 14 ) , non-small cell lung adenocarcinoma ( 8 ) , ovarian cancer ( 6 ) , melanoma skin cancer ( 4 )
Relevant cell line - cell type - tissue:	A498 (renal) ( 25 ) , A549 (pulmonary) ( 9 ) , breast ( 2 , 6 ) , BT-20 (breast cell) ( 14 ) , BT-549 (breast cell) ( 14 ) , Calu 6 (pulmonary) ( 14 ) , Flp-In T-Rex-293 (epithelial) [PRKD1 (human), genetic knockin] ( 15 ) , Flp-In T-Rex-293 (epithelial) ( 15 ) , H2009 (pulmonary) ( 14 ) , H2077 (pulmonary) ( 14 ) , H2887 (pulmonary) ( 14 ) , H322M (pulmonary) ( 14 ) , HCC1359 (pulmonary) ( 14 ) , HCC1937 (breast cell) ( 14 ) , HCC366 (pulmonary) ( 14 ) , HCC4006 (pulmonary) ( 14 ) , HCC78 (pulmonary) ( 14 ) , HCC827 (pulmonary) ( 14 ) , HeLa (cervical) ( 1 , 5 , 12 , 19 , 20 , 27 , 29 ) , HeLa S3 (cervical) ( 23 , 26 ) , HMLER ('stem, breast cancer') [CXCR4 (human), knockdown] ( 7 ) , HMLER ('stem, breast cancer') ( 7 ) , HOP62 (pulmonary) ( 14 ) , HUES-9 ('stem, embryonic') ( 24 ) , Jurkat (T lymphocyte) ( 10 , 17 , 28 ) , K562 (erythroid) ( 12 ) , KG-1 (myeloid) ( 18 ) , LCLC-103H (pulmonary) ( 14 ) , LOU-NH91 (squamous) ( 14 ) , lung ( 8 ) , MCF-7 (breast cell) ( 14 ) , MDA-MB-231 (breast cell) ( 14 ) , MDA-MB-468 (breast cell) ( 14 ) , MKN-45 (gastric) ( 21 , 22 , 31 ) , NCI-H1395 (pulmonary) ( 14 ) , NCI-H1568 (pulmonary) ( 14 ) , NCI-H1648 (pulmonary) ( 14 ) , NCI-H2030 (pulmonary) ( 14 ) , NCI-H322 (pulmonary) ( 14 ) , NCI-H3255 (pulmonary) ( 32 ) , NCI-H460 (pulmonary) ( 14 ) , NCI-H520 (squamous) ( 14 ) , NCI-H647 (pulmonary) ( 14 ) , ovary ( 6 ) , PC9 (pulmonary) ( 14 ) , platelet-blood ( 30 ) , SKBr3 (breast cell) ( 13 ) , WM239A (melanocyte) ( 4 )

Upstream Regulation
Kinases, in vitro:	Chk1 (human) ( 20 )
Treatments:	BI_4834 ( 19 ) , ischemia ( 6 ) , selumetinib ( 4 )

References
1	Huang H, et al. (2016) Simultaneous Enrichment of Cysteine-containing Peptides and Phosphopeptides Using a Cysteine-specific Phosphonate Adaptable Tag (CysPAT) in Combination with titanium dioxide (TiO2) Chromatography. Mol Cell Proteomics 15, 3282-3296 27281782 Curated Info
2	Mertins P, et al. (2016) Proteogenomics connects somatic mutations to signalling in breast cancer. Nature 534, 55-62 27251275 Curated Info
3	Boeing S, et al. (2016) Multiomic Analysis of the UV-Induced DNA Damage Response. Cell Rep 15, 1597-1610 27184836 Curated Info
4	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
5	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
6	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
7	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
8	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
9	Kim JY, et al. (2013) Dissection of TBK1 signaling via phosphoproteomics in lung cancer cells. Proc Natl Acad Sci U S A 110, 12414-9 23836654 Curated Info
10	Mertins P, et al. (2013) Integrated proteomic analysis of post-translational modifications by serial enrichment. Nat Methods 10, 634-7 23749302 Curated Info
11	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
12	Zhou H, et al. (2013) Toward a comprehensive characterization of a human cancer cell phosphoproteome. J Proteome Res 12, 260-71 23186163 Curated Info
13	Imami K, et al. (2012) Temporal profiling of lapatinib-suppressed phosphorylation signals in EGFR/HER2 pathways. Mol Cell Proteomics 11, 1741-57 22964224 Curated Info
14	Klammer M, et al. (2012) Phosphosignature predicts dasatinib response in non-small cell lung cancer. Mol Cell Proteomics 11, 651-68 22617229 Curated Info
15	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
16	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
17	Mulhern D (2012) CST Curation Set: 13831; Year: 2012; Biosample/Treatment: cell line, Jurkat/calyculin_A & pervanadate; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: (K/R)XpSX(K/R)Antibodies Used to Purify Peptides prior to LCMS: Phospho-(Ser) PKC Substrate (P-S3-101) Rabbit mAb Cat#: 6967, PTMScan(R) Phospho-PKC Substrate Motif (K/RXS*XK/R) Immunoaffinity Beads Cat#: 6970 Curated Info
18	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
19	Grosstessner-Hain K, et al. (2011) Quantitative phospho-proteomics to investigate the polo-like kinase 1-dependent phospho-proteome. Mol Cell Proteomics 10, M111.008540 21857030 Curated Info
20	Blasius M, et al. (2011) A phospho-proteomic screen identifies substrates of the checkpoint kinase Chk1. Genome Biol 12, R78 21851590 Curated Info
21	Moritz A (2011) CST Curation Set: 11939; Year: 2011; Biosample/Treatment: cell line, MKN-45/untreated; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: RXXp[ST] Curated Info
22	Guo A (2011) CST Curation Set: 11299; Year: 2011; Biosample/Treatment: cell line, MKN-45/untreated; Disease: gastric carcinoma; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[STY]) Curated Info
23	Santamaria A, et al. (2011) The Plk1-dependent phosphoproteome of the early mitotic spindle. Mol Cell Proteomics 10, M110.004457 20860994 Curated Info
24	Rigbolt KT, et al. (2011) System-wide temporal characterization of the proteome and phosphoproteome of human embryonic stem cell differentiation. Sci Signal 4, rs3 21406692 Curated Info
25	Schreiber TB, et al. (2010) An integrated phosphoproteomics work flow reveals extensive network regulation in early lysophosphatidic acid signaling. Mol Cell Proteomics 9, 1047-62 20071362 Curated Info
26	Olsen JV, et al. (2010) Quantitative phosphoproteomics reveals widespread full phosphorylation site occupancy during mitosis. Sci Signal 3, ra3 20068231 Curated Info
27	Chen RQ, et al. (2009) CDC25B mediates rapamycin-induced oncogenic responses in cancer cells. Cancer Res 69, 2663-8 19276368 Curated Info
28	Mayya V, et al. (2009) Quantitative phosphoproteomic analysis of T cell receptor signaling reveals system-wide modulation of protein-protein interactions. Sci Signal 2, ra46 19690332 Curated Info
29	Dephoure N, et al. (2008) A quantitative atlas of mitotic phosphorylation. Proc Natl Acad Sci U S A 105, 10762-7 18669648 Curated Info
30	Zahedi RP, et al. (2008) Phosphoproteome of resting human platelets. J Proteome Res 7, 526-34 18088087 Curated Info
31	Moritz A (2007) CST Curation Set: 3002; Year: 2007; Biosample/Treatment: cell line, MKN-45/-; Disease: gastric carcinoma; 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
32	Moritz A (2007) CST Curation Set: 2947; Year: 2007; Biosample/Treatment: cell line, NCI-H3255/-; 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 (RXRXXT-P) (60D12F4) Rabbit mAb Cat#: 10002 Curated Info