PhosphoSolutions

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Western blot analysis of immunoprecipitates from neonatal rat brain lysate using anti-PKCα antibody. Control and alkaline phosphatase treated precipitates were probed with anti-PKCα (Central region) or anti-phospho-PKCα (Ser-657/Tyr-658). The latter shows no detection of PKCα after phosphatase treatment.Formalin fixed, citric acid treated parafin sections of adult mouse brain. Sections were probed with anti-PKCα (PM2371) then anti-mouse:HRP before detection using DAB. (Image provided by Carl Hobbs and Dr. Pat Doherty at Wolfson Centre for Age-Related Diseases, King's College London).
Bar graph showing rabbit polyclonal anti-Phosphotyrosine (PP2221) binding to a variety of phosphotyrosine containing peptides, but no binding to unphosphorylated peptide (beta-Catenin (a.a. 29-45).Immunocytochemical labeling of phosphotyrosine in control and pervanadate-treated A431 cells. The cells were labeled with rabbit polyclonal anti-Phosphotyrosine (PP2221) and mouse monoclonal anti-Phosphotyrosine (PM3751), then the antibodies were detected using appropriate secondary antibodies conjugated to Cy3.
Western blot of HeLa cells treated with pervanadate (1 mM) for 30 min. Phosphotyrosine containing proteins were immunoprecipitated with rabbit polyclonal anti-Phosphotyrosine:Agarose (Lane 1) or with no antibody agarose beads (Lane 2), and blots were made that included the whole lysate (Lane 3). The blots were probed with mouse monoclonal anti-Phosphotyrosine (PM3751) to detect phosphotyrosine containing proteins.Immunocytochemical labeling of phosphotyrosine in control and pervanadate-treated A431 cells. The cells were labeled with rabbit polyclonal anti-Phosphotyrosine (PP2221) and mouse monoclonal anti-Phosphotyrosine (PM3751), then the antibodies were detected using appropriate secondary antibodies conjugated to Cy3.
Western blot of human A431 cells treated with Calyculin A (100 nM) for 30 min. The blot was untreated (lane 1) or treated with lambda phosphatase (lanes 2), then probed with anti-Phosphothreonine (PP4641) at 1:1000.Immunocytochemical labeling of phosphothreonine upregulation in control (left) or calyculin A-treated HeLa cells (right). The cells were labeled with rabbit polyclonal anti-Phosphothreonine (PP4641). The antibody was detected using goat anti-rabbit DyLight® 594.
Western blot image of mouse brain (lane 1) and human A431 cells (lane 2). The blot was probed with anti-PDK1 (C-terminal region) (PM1461).Immunocytochemical labeling of PDK1 phosphorylation in control and pervanadate-treated A431 cells. The cells were labeled with mouse monoclonal PDK1 (C-terminal Region) (PM1461), rabbit polyclonal PDK1 (Tyr-9) (PP1431), and PDK1 (N-terminus) (PP1411) antibodies. These antibodies were detected using appropriate secondary antibody conjugated to DyLight® 594.
Western blot image of A431 cells untreated (lanes 1 and 3) or treated with pervanadate (lanes 2, 4, 5 & 6). Blots were probed with anti-PDK1 (PP1411) or anti-PDK1 (Tyr-9) (PP1431). The latter was used in the presence of no peptide (lane 4), phospho-PDK1 (Tyr-9) peptide (lane 5), or an unrelated phosphotyrosine peptide (lane 6).Immunocytochemical labeling of PDK1 phosphorylation in control and pervanadate-treated A431 cells. The cells were labeled with mouse monoclonal PDK1 (C-terminal Region) (PM1461), rabbit polyclonal PDK1 (Tyr-9) (PP1431), and PDK1 (N-terminus) (PP1411) antibodies. These antibodies were detected using appropriate secondary antibody conjugated to DyLight® 594.
Western blot analysis of A431 cells. The blot was probed with rabbit polyclonal anti-Paxillin (PP1161) at 1:500 & 1:2000 (lanes 1 & 2) or with mouse monoclonal anti-Paxillin (PM1071) at 1:2000 & 1:5000 (lanes 3 & 4).
Western blot analysis of A431 cells (20 µg/lane) serum starved overnight and treated with EGF (100 ng/ml) for 5 min. The blot was probed with anti-Paxillin mouse monoclonal (PM1071) or anti-Paxillin (Ser-178) rabbit polyclonal (PP1051).Immunocytochemical labeling of Ser-83 phosphorylated paxillin in rabbit spleen fibroblasts. The cells were labeled with mouse monoclonal Paxillin (left) and rabbit polyclonal Paxillin (Ser-83, right) antibodies, then detected using appropriate secondary antibodies conjugated to Cy3.
Western blots of human PAK6 recombinant protein phosphorylated by ERK2. The blot was exposed to lambda phosphatase (lanes 2 & 6) then probed with anti-PAK6 (N-terminal) (lanes 1-4) or anti-PAK6 (Ser-165) phospho-specific (lanes 5-8). The antibodies were used in the presence of unrelated (lane 3) and PAK6 (N-terminal) (lane 4) peptide or PAK6 (Ser-165) (lane 7) and unrelated phospho-serine (lane 8) peptides, respectively.

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