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Lysates prepared from Jurkat cells stimulated with PMA were resolved by SDS-PAGE on a 10% polyacrylamide gel and transferred to PVDF. Membranes were either left untreated (1-4) or treated with lambda phosphatase (5), blocked with a 5% low-fat milk-TBST buffer for one hour at room temperature, and incubated with PKCiota [pT555] antibody for two hours at room temperature in a 3% low-fat milk-TBST buffer, following prior incubation with: no peptide (1), the non-phosphopeptide corresponding to the immunogen (2), a generic phosphothreonine-containing peptide (3), or, the phosphopeptide immunogen (4). After washing, membranes were incubated with goat F(ab"e;)2 anti-rabbit IgG HRP conjugate (Cat. no. ALI4404) and bands were detected using the Pierce SuperSignal™ method. The data show that the phosphopeptide corresponding to PKCiota [pT555] blocks the antibody signal. The peptide corresponding to PKCzeta [pT560] blocks the antibody signal and the peptides corresponding to PKC isoforms betaI [pT642] and gamma [pT655] partially block the antibody signal (data not shown), suggesting cross-reactivity of the antibody with these sites. The antibody signal was not blocked by the corresponding peptides of any other PKC isoforms. The data also show that phosphatase stripping eliminates the signal, verifying that the antibody is phospho-specific
|Tested species reactivity||Human, Mouse|
|Host / Isotype||Rabbit / IgG|
|Immunogen||The antiserum was produced against a chemically synthesized phosphopeptide derived from a region of human PKCi that contains threonine 555. The sequence is conserved in mouse PKCi and human PKCl.|
|Purification||Antigen affinity chromatography|
|Storage buffer||Dulbecco's PBS, pH 7.3, with 50% glycerol, 1mg/ml BSA|
|Contains||0.05% sodium azide|
|Tested Applications||Dilution *|
|Flow Cytometry (Flow)||3-5 µg/million cells|
|Western Blot (WB)||Assay Dependent|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
Protein kinase C (PKC) is a family of serine- and threonine-specific protein kinases that can be activated by calcium and second messenger diacylglycerol. PKC family members phosphorylate a wide variety of protein targets and are known to be involved in diverse cellular signaling pathways. PKC family members also serve as major receptors for phorbol esters, a class of tumor promoters. Each member of the PKC family has a specific expression profile and is believed to play a distinct role in cells.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
aPKC-lambda/iota; atypical protein kinase C-lambda/iota; DXS1179E; nPKC-iota; PKCI; PRKC-lambda/iota; protein kinase C iota type; protein kinase C, iota; protein kinase C, lambda
2310021H13Rik; AI427505; aPKClambda; DXS1179E; mKIAA4165; nPKC-iota; PKCI; Pkcl; PKClambda; PRKCI; Prkcl