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PEP-253 is a 17 amino acid synthetic peptide corresponding to amino acid residues 92-107 from human ATR/TEM8. The sequence of this peptide is (amino to carboxy terminus): L-M-K-L-T-E-D-R-E-Q-I-R-Q-G-L-E-C.
This peptide may be used for neutralization and control experiments with the polyclonal antibody that reacts with this product, catalog # PA1-602. Using a solution of peptide of equal volume and concentration to the corresponding antibody will yield a large molar excess of peptide (~70-fold) for competitive inhibition of antibody-protein binding reactions.
Reconstitute with 0.1 mL of distilled water.
The protein encoded by this gene is a serine/threonine kinase and DNA damage sensor, activating cell cycle checkpoint signaling upon DNA stress. The encoded protein can phosphorylate and activate several proteins involved in the inhibition of DNA replication and mitosis, and can promote DNA repair, recombination, and apoptosis. This protein is also important for fragile site stability and centrosome duplication. Defects in this gene are a cause of Seckel syndrome 1.
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