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ATM (Ser-1981), Phosphospecific Antibody

Applications

  • WB
  • IP
  • ICC

Reactivity

  • Human
  • Mouse
  • Rat
Overview
Catalog # bsm-70352M
Product Name ATM (Ser-1981), Phosphospecific Antibody
Applications WB, IP, ICC
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.
Reactivity Human, Mouse, Rat
Specifications
Conjugation Unconjugated
Host Mouse
Source 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.
Modification Site Ser-1981
Clonality Monoclonal
Clone # M366
Isotype IgG1
Purification Purified by Protein A.
Storage Buffer PBS + 1 mg/ml BSA, 0.05% NaN3 and 50% glycerol
Storage Condition 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.
Target
Swiss Prot Q13315
Synonyms ataxia telangiectasia mutated, AT1 ATDC TEL1 TELO1
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.
Application Dilution
WB 1:300-5000
IP 1-2ug
ICC 1:100-500