Ser268
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Home > Phosphorylation Site Page: > Ser268  -  SSR1 (human)

Site Information
LNQINkAsPRRLPRK   SwissProt Entrez-Gene
Blast this site against: NCBI  SwissProt  PDB 
Site Group ID: 3072271
Associated spectra:  1 CST

In vivo Characterization
Methods used to characterize site in vivo:
mass spectrometry ( 1 , 2 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 , 39 , 40 , 41 , 42 , 43 , 44 , 45 , 46 , 47 , 48 , 49 , 50 , 52 ) , mass spectrometry (in vitro) ( 51 )
Disease tissue studied:
breast cancer ( 7 , 8 , 15 ) , breast ductal carcinoma ( 7 ) , HER2 positive breast cancer ( 2 ) , luminal A breast cancer ( 2 ) , luminal B breast cancer ( 2 ) , breast cancer, triple negative ( 2 , 7 ) , cervical cancer ( 24 ) , cervical adenocarcinoma ( 24 ) , leukemia ( 18 , 46 , 47 ) , acute myelogenous leukemia ( 18 ) , acute erythroid leukemias, including erythroleukemia (M6a) and very rare pure erythroid leukemia (M6b) ( 14 ) , acute megakaryoblastic leukemia (M7) ( 14 ) , acute monoblastic leukemia (M5a) or acute monocytic leukemia (M5b) ( 14 ) , acute myeloblastic leukemia, with granulocytic maturation (M2) ( 14 ) , acute myeloblastic leukemia, without maturation (M1) ( 14 ) , chronic myelogenous leukemia ( 46 , 47 ) , hepatocellular carcinoma, surrounding tissue ( 23 ) , lung cancer ( 15 ) , non-small cell lung cancer ( 15 ) , B cell lymphoma ( 14 ) , non-Hodgkin's lymphoma ( 14 ) , neuroblastoma ( 13 ) , ovarian cancer ( 7 ) , multiple myeloma ( 14 ) , melanoma skin cancer ( 5 )
Relevant cell line - cell type - tissue:
786-O (renal) [VHL (human), transfection] ( 4 ) , 786-O (renal) ( 4 ) , A549 (pulmonary) ( 10 ) , AML-193 (monocyte) ( 14 ) , breast ( 2 , 7 ) , BT-20 (breast cell) ( 15 ) , BT-549 (breast cell) ( 15 ) , Calu 6 (pulmonary) ( 15 ) , Chang liver (cervical) ( 48 ) , CMK (megakaryoblast) ( 14 ) , CTS (myeloid) ( 14 ) , DOHH2 ('B lymphocyte, precursor') ( 14 ) , endothelial-aorta ( 16 ) , H2009 (pulmonary) ( 15 ) , H2077 (pulmonary) ( 15 ) , H2887 (pulmonary) ( 15 ) , H322M (pulmonary) ( 15 ) , HCC1359 (pulmonary) ( 15 ) , HCC1937 (breast cell) ( 15 ) , HCC2279 (pulmonary) ( 15 ) , HCC366 (pulmonary) ( 15 ) , HCC4006 (pulmonary) ( 15 ) , HCC78 (pulmonary) ( 15 ) , HCC827 (pulmonary) ( 15 ) , HCT116 (intestinal) ( 28 ) , HEL (erythroid) ( 14 ) , HeLa (cervical) ( 1 , 6 , 12 , 22 , 25 , 26 , 27 , 43 ) , HeLa S3 (cervical) ( 20 , 24 , 42 ) , hepatocyte-liver ( 23 ) , HMLER ('stem, breast cancer') [CXCR4 (human), knockdown] ( 8 ) , HMLER ('stem, breast cancer') ( 8 ) , HOP62 (pulmonary) ( 15 ) , HUES-9 ('stem, embryonic') ( 21 ) , Jurkat (T lymphocyte) ( 11 , 19 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 , 39 , 40 , 41 , 44 , 49 , 50 ) , K562 (erythroid) ( 12 , 45 , 46 , 47 , 52 ) , Kasumi-1 (myeloid) ( 14 ) , KG-1 (myeloid) ( 14 , 18 ) , LCLC-103H (pulmonary) ( 15 ) , liver ( 9 ) , LOU-NH91 (squamous) ( 15 ) , MCF-7 (breast cell) ( 15 ) , MDA-MB-231 (breast cell) ( 15 ) , MDA-MB-468 (breast cell) ( 15 ) , MV4-11 (macrophage) ( 14 ) , NB10 (neural crest) ( 13 ) , NCI-H1395 (pulmonary) ( 15 ) , NCI-H1568 (pulmonary) ( 15 ) , NCI-H157 (pulmonary) ( 15 ) , NCI-H1648 (pulmonary) ( 15 ) , NCI-H1666 (pulmonary) ( 15 ) , NCI-H2030 (pulmonary) ( 15 ) , NCI-H2172 (pulmonary) ( 15 ) , NCI-H322 (pulmonary) ( 15 ) , NCI-H460 (pulmonary) ( 15 ) , NCI-H520 (squamous) ( 15 ) , NCI-H647 (pulmonary) ( 15 ) , NPC (neural crest) ( 13 ) , OPM-2 (plasma cell) ( 14 ) , ovary ( 7 ) , P31/FUJ (erythroid) ( 14 ) , PC9 (pulmonary) ( 15 ) , RL ('B lymphocyte, precursor') ( 14 ) , RPMI-8266 (plasma cell) ( 14 ) , SU-DHL-6 (B lymphocyte) ( 14 ) , U266 (plasma cell) ( 14 ) , WM239A (melanocyte) ( 5 )

Upstream Regulation
Regulatory protein:
TBK1 (human) ( 10 )
Kinases, in vitro:
CDK1 (human) ( 51 )
Treatments:
ischemia ( 7 ) , MLN8054 ( 22 )

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

Malec V, Coulson JM, Urbé S, Clague MJ (2015) Combined Analyses of the VHL and Hypoxia Signaling Axes in an Isogenic Pairing of Renal Clear Cell Carcinoma Cells. J Proteome Res 14, 5263-72
26506913   Curated Info

5

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

6

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

7

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

8

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

9

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

10

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

11

Mertins P, et al. (2013) Integrated proteomic analysis of post-translational modifications by serial enrichment. Nat Methods 10, 634-7
23749302   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

DeNardo BD, et al. (2013) Quantitative phosphoproteomic analysis identifies activation of the RET and IGF-1R/IR signaling pathways in neuroblastoma. PLoS One 8, e82513
24349301   Curated Info

14

Casado P, et al. (2013) Phosphoproteomics data classify hematological cancer cell lines according to tumor type and sensitivity to kinase inhibitors. Genome Biol 14, R37
23628362   Curated Info

15

Klammer M, et al. (2012) Phosphosignature predicts dasatinib response in non-small cell lung cancer. Mol Cell Proteomics 11, 651-68
22617229   Curated Info

16

Verano-Braga T, et al. (2012) Time-resolved quantitative phosphoproteomics: new insights into Angiotensin-(1-7) signaling networks in human endothelial cells. J Proteome Res 11, 3370-81
22497526   Curated Info

17

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

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

Guo A (2011) CST Curation Set: 12058; 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: pTXR
Curated Info

20

Santamaria A, et al. (2011) The Plk1-dependent phosphoproteome of the early mitotic spindle. Mol Cell Proteomics 10, M110.004457
20860994   Curated Info

21

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

22

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

23

Han G, et al. (2010) Phosphoproteome analysis of human liver tissue by long-gradient nanoflow LC coupled with multiple stage MS analysis. Electrophoresis 31, 1080-9
20166139   Curated Info

24

Olsen JV, et al. (2010) Quantitative phosphoproteomics reveals widespread full phosphorylation site occupancy during mitosis. Sci Signal 3, ra3
20068231   Curated Info

25

Zhou J (2009) CST Curation Set: 7614; Year: 2009; Biosample/Treatment: cell line, HeLa/untreated; Disease: cervical adenocarcinoma; 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

26

Zhou J (2009) CST Curation Set: 7616; Year: 2009; Biosample/Treatment: cell line, HeLa/untreated; Disease: cervical adenocarcinoma; 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

27

Zhou J (2009) CST Curation Set: 7613; Year: 2009; Biosample/Treatment: cell line, HeLa/untreated; Disease: cervical adenocarcinoma; 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

28

Oppermann FS, et al. (2009) Large-scale proteomics analysis of the human kinome. Mol Cell Proteomics 8, 1751-64
19369195   Curated Info

29

Possemato A (2009) CST Curation Set: 7122; Year: 2009; 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)
Curated Info

30

Possemato A (2009) CST Curation Set: 7120; Year: 2009; 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 Antibody Cat#: 2261, PTMScan(R) Phospho-PKC Substrate Motif (K/RXpSXK/R) Immunoaffinity Beads Cat#: 1985
Curated Info

31

Possemato A (2009) CST Curation Set: 6371; Year: 2009; Biosample/Treatment: cell line, Jurkat/calyculin_A & pervanadate; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: pSP
Curated Info

32

Possemato A (2009) CST Curation Set: 6370; Year: 2009; Biosample/Treatment: cell line, Jurkat/calyculin_A & pervanadate; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: pSP
Curated Info

33

Zhou J (2009) CST Curation Set: 5901; Year: 2009; Biosample/Treatment: cell line, Jurkat/TPA; 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 Antibody Cat#: 2261, PTMScan(R) Phospho-PKC Substrate Motif (K/RXpSXK/R) Immunoaffinity Beads Cat#: 1985
Curated Info

34

Zhou J (2009) CST Curation Set: 5900; Year: 2009; Biosample/Treatment: cell line, Jurkat/TPA; 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 Antibody Cat#: 2261, PTMScan(R) Phospho-PKC Substrate Motif (K/RXpSXK/R) Immunoaffinity Beads Cat#: 1985
Curated Info

35

Zhou J (2009) CST Curation Set: 5896; Year: 2009; 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 Antibody Cat#: 2261, PTMScan(R) Phospho-PKC Substrate Motif (K/RXpSXK/R) Immunoaffinity Beads Cat#: 1985
Curated Info

36

Zhou J (2009) CST Curation Set: 5898; Year: 2009; Biosample/Treatment: cell line, Jurkat/untreated; 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 Antibody Cat#: 2261, PTMScan(R) Phospho-PKC Substrate Motif (K/RXpSXK/R) Immunoaffinity Beads Cat#: 1985
Curated Info

37

Zhou J (2009) CST Curation Set: 5897; Year: 2009; 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 Antibody Cat#: 2261, PTMScan(R) Phospho-PKC Substrate Motif (K/RXpSXK/R) Immunoaffinity Beads Cat#: 1985
Curated Info

38

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

39

Zhou J (2008) CST Curation Set: 5468; Year: 2008; Biosample/Treatment: cell line, Jurkat/untreated; 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 Antibody Cat#: 2261, PTMScan(R) Phospho-PKC Substrate Motif (K/RXpSXK/R) Immunoaffinity Beads Cat#: 1985
Curated Info

40

Zhou J (2008) CST Curation Set: 5469; Year: 2008; Biosample/Treatment: cell line, Jurkat/untreated; 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 Antibody Cat#: 2261, PTMScan(R) Phospho-PKC Substrate Motif (K/RXpSXK/R) Immunoaffinity Beads Cat#: 1985
Curated Info

41

Zhou J (2008) CST Curation Set: 5471; Year: 2008; Biosample/Treatment: cell line, Jurkat/TPA; 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 Antibody Cat#: 2261, PTMScan(R) Phospho-PKC Substrate Motif (K/RXpSXK/R) Immunoaffinity Beads Cat#: 1985
Curated Info

42

Daub H, et al. (2008) Kinase-selective enrichment enables quantitative phosphoproteomics of the kinome across the cell cycle. Mol Cell 31, 438-48
18691976   Curated Info

43

Dephoure N, et al. (2008) A quantitative atlas of mitotic phosphorylation. Proc Natl Acad Sci U S A 105, 10762-7
18669648   Curated Info

44

Possemato A (2008) CST Curation Set: 4826; 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: (K/R)XpSX(K/R)Antibodies Used to Purify Peptides prior to LCMS: Phospho-(Ser) PKC Substrate Antibody Cat#: 2261, PTMScan(R) Phospho-PKC Substrate Motif (K/RXpSXK/R) Immunoaffinity Beads Cat#: 1985
Curated Info

45

Stokes M (2008) CST Curation Set: 4609; Year: 2008; Biosample/Treatment: cell line, K562/untreated; Disease: chronic myelogenous leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[STY])
Curated Info

46

Stokes M (2008) CST Curation Set: 4393; Year: 2008; Biosample/Treatment: cell line, K562/untreated; Disease: chronic myelogenous leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[STY])
Curated Info

47

Stokes M (2008) CST Curation Set: 4394; Year: 2008; Biosample/Treatment: cell line, K562/untreated; Disease: chronic myelogenous leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[STY])
Curated Info

48

Sui S, et al. (2008) Phosphoproteome analysis of the human Chang liver cells using SCX and a complementary mass spectrometric strategy. Proteomics 8, 2024-34
18491316   Curated Info

49

Stokes M (2008) CST Curation Set: 3885; Year: 2008; Biosample/Treatment: cell line, Jurkat/pervanadate; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[STY])
Curated Info

50

Stokes M (2008) CST Curation Set: 3886; Year: 2008; Biosample/Treatment: cell line, Jurkat/pervanadate; Disease: T cell leukemia; SILAC: -; Specificities of Antibodies Used to Purify Peptides prior to LCMS: p[STY])
Curated Info

51

Blethrow JD, Glavy JS, Morgan DO, Shokat KM (2008) Covalent capture of kinase-specific phosphopeptides reveals Cdk1-cyclin B substrates. Proc Natl Acad Sci U S A 105, 1442-7
18234856   Curated Info

52

Possemato A (2007) CST Curation Set: 2628; Year: 2007; Biosample/Treatment: cell line, K562/untreated; Disease: chronic myelogenous 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 Antibody Cat#: 2261, PTMScan(R) Phospho-PKC Substrate Motif (K/RXpSXK/R) Immunoaffinity Beads Cat#: 1985
Curated Info