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Synthetic peptide corresponding to Histone H2A aa 1-100 (phospho S1) conjugated to Keyhole Limpet Haemocyanin (KLH). Also UniProt ID: P04908, Q93077, Q99878 (Histone H2A)
Database link: P62805
(Peptide available as
Our Abpromise guarantee covers the use of ab14723 in the following tested applications.
The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
|WB||1/1000. Detects a band of approximately 15 kDa (predicted molecular weight: 11 kDa).|
|IP||1/50. See Abreview.|
|ICC/IF||Use at an assay dependent concentration.|
|IHC-P||Use a concentration of 1 µg/ml. Perform heat mediated antigen retrieval before commencing with IHC staining protocol.|
|PepArr||Use a concentration of 0.1 - 0.01 µg/ml.|
Peptide Array analysis of ab14723 at 1:5000 dilution against 40.0 – 0.6 µM peptides: Histone H2A unmodified peptide (Lane 1), Histone H2A (phospho S1) peptide (Lane 2), Histone H4 unmodified peptide (Lane 3) and Histone H4 (phospho S1) peptide (Lane 4). Results show strong binding to the phosphorylated, but not the unmodified versions of these peptides.
This blot was produced using a 4-12% Bis-tris gel under the MES buffer system. The gel was run at 200V for 35 minutes before being transferred onto a Nitrocellulose membrane at 30V for 70 minutes. The membrane was then blocked for an hour using 2% Bovine Serum Albumin before being incubated with ab14723 overnight at 4°C. Antibody binding was detected using an anti-rabbit antibody conjugated to HRP, and visualised using ECL development solution ab133406.
This image was submitted as part of a review by Meredith Calvert
Cell lysates were prepared from a Casein Kinase 2 temperature sensitive Saccharomyces cerevisiae strain (YDH8 cka2-8ts) grown at either 30°C or 38°C. The kinase is active at °C and inactive at 38°C. Lysates were prepared from asynchronous log-phase cultures and 300µl run on a gel. The Western blot was blocked in milk for 20 minutes and incubated with a 1/1000 dilution of ab14723 for 16 hours. ab14723 detected a band of 15kDa representing Histone H4 (phospho S1) in the lysates grown at 30°C.
IHC image of Histone H2A (phospho S1) + Histone H4 (phospho S1) staining in human breast carcinoma FFPE section, performed on a BondTM system using the standard protocol F. The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH6, epitope retrieval solution 1) for 20 mins. The section was then incubated with ab14723, 1µg/ml, for 8 mins at room temperature and detected using an HRP conjugated compact polymer system. DAB was used as the chromogen. The section was then counterstained with haematoxylin and mounted with DPX.
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