Proteomics strategy for quantitative protein interaction profiling in cell extracts
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Proteomics strategy for quantitative protein interaction profiling in cell extracts. / Sharma, Kirti; Weber, Christoph; Bairlein, Michaela; Greff, Zoltán; Kéri, György; Cox, Jürgen; Olsen, Jesper V; Daub, Henrik.
In: Nature Methods, Vol. 6, No. 10, 2009, p. 741-4.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Proteomics strategy for quantitative protein interaction profiling in cell extracts
AU - Sharma, Kirti
AU - Weber, Christoph
AU - Bairlein, Michaela
AU - Greff, Zoltán
AU - Kéri, György
AU - Cox, Jürgen
AU - Olsen, Jesper V
AU - Daub, Henrik
N1 - Keywords: Cell Extracts; Chromatography, Affinity; Mass Spectrometry; Protein Interaction Mapping; Proteome; Proteomics
PY - 2009
Y1 - 2009
N2 - We report a proteomics strategy to both identify and quantify cellular target protein interactions with externally introduced ligands. We determined dissociation constants for target proteins interacting with the ligand of interest by combining quantitative mass spectrometry with a defined set of affinity purification experiments. We demonstrate the general utility of this methodology in interaction studies involving small-molecule kinase inhibitors, a tyrosine-phosphorylated peptide and an antibody as affinity ligands.
AB - We report a proteomics strategy to both identify and quantify cellular target protein interactions with externally introduced ligands. We determined dissociation constants for target proteins interacting with the ligand of interest by combining quantitative mass spectrometry with a defined set of affinity purification experiments. We demonstrate the general utility of this methodology in interaction studies involving small-molecule kinase inhibitors, a tyrosine-phosphorylated peptide and an antibody as affinity ligands.
U2 - 10.1038/nmeth.1373
DO - 10.1038/nmeth.1373
M3 - Journal article
C2 - 19749761
VL - 6
SP - 741
EP - 744
JO - Nature Methods
JF - Nature Methods
SN - 1548-7091
IS - 10
ER -
ID: 19160448