Phospho-ATM (pSer1981) Mouse Antibody [Clone ID: M366]
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Specifications
Product Data | |
Clone Name | M366 |
Applications | ICC, IP, WB |
Recommended Dilution | WB: 1:1000 ICC: 1:200 |
Reactivities | Human, Mouse, Rat |
Host | Mouse |
Isotype | IgG1 |
Immunogen | Clone M366 was generated from a phospho-peptide that included amino acids surrounding Serine 1981 in human ATM. This sequence has high homology to the conserved site in rat and mouse ATM. |
Specificity | This antibody detects a 370 kDa* protein corresponding to the molecular mass of ATM on SDS-PAGE immunoblots of calyculin A treated human A431 and Jurkat Cells, but is not observed in control cells. |
Formulation | PBS + 1 mg/ml BSA, 0.05% NaN3 and 50% glycerol |
Concentration | lot specific |
Purification | Protein A Purified |
Conjugation | Unconjugated |
Storage | Storage at -20°C is recommended, as aliquots may be taken without freeze/thawing due to presence of 50% glycerol. Stable for at least 1 year at -20°C. |
Stability | After date of receipt, stable for at least 1 year at -20°C. |
Predicted Protein Size | 370 |
Database Link | |
Background | Ataxia telangiectasia mutated kinase (ATM) is a serine/threonine kinase that regulates cell cycle checkpoints and DNA repair. Mutations of ATM cause a spectrum of defects ranging from neurodegeneration to cancer predisposition. Activation of ATM after DNA damage involves Cdk5 mediated phosphorylation of Ser-794 followed by autophosphorylation at Ser-1891. Active ATM kinase regulates a number of proteins involved in cell cycle checkpoint control, apoptosis and DNA repair. The Cdk5–ATM pathway regulates phosphorylation and function of the ATM targets p53 and H2AX in postmitotic neurons. Other known substrates of ATM include Chk2, Chk1, CtIP, 4E-BP1, BRCA1, RPA3, SMC1, FANCD2, Rad17, Artemis, Nbs1, and the I-2 regulatory subunit of PP1. Thus, activation of Cdk5 by DNA damage may be an important initiator of ATM-dependent regulation of cell cycle checkpoints. |
Note | Protein G purified tissue culture supernatant. |
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