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Key Documents

15-116

Sigma-Aldrich

ATM/Chk2 Pathway Explorer Antibody MiniPack

Upstate®, from mouse, unconjugated

Synonyme(s) :

A-T, mutated, AT mutated, TEL1, telomere maintenance 1, homolog, ataxia telangiectasia mutated, ataxia telangiectasia mutated (includes complementation groups A, C

and D), ataxia telangiectasia mutated protein, human phosphatidylinositol 3-kinas

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About This Item

Code UNSPSC :
12352203
eCl@ss :
32160702
Nomenclature NACRES :
NA.41

Source biologique

mouse

Niveau de qualité

Conjugué

unconjugated

Type de produit anticorps

primary antibodies

Clone

10H11.E12, monoclonal
7, monoclonal
AM9, monoclonal

Espèces réactives

human (05-513SP,05-649SP, 05-740SP), mouse (05-649SP and 05-740SP), rat

Fabricant/nom de marque

Upstate®

Technique(s)

immunocytochemistry: suitable
immunoprecipitation (IP): suitable
thin layer chromatography (TLC): suitable
western blot: suitable

Numéro d'accès NCBI

Numéro d'accès UniProt

Conditions d'expédition

wet ice

Modification post-traductionnelle de la cible

unmodified

Informations sur le gène

human ... ATM(472)
mouse ... Atm(11920)
rat ... Atm(300711)

Description générale

Pathway Explorer Antibody MiniPack:
Each Pathway Explorer Antibody Minipack contains three related antibodies as part of a signaling cascade or a combination of total and phosphorylated forms of key signaling targets. Each of the three antibodies are 30% the original pack size. Full size versions of each of the Pathway Explorer antibodies are available for sale individually under the same catalog number with the removal of “SP” off of each one (e.g. 05-591SP can be ordered as 05-591).

ATM:
Ataxia telangiectasia mutated kinase (ATM) and ataxia telangiectasia and Rad3-related kinase (ATR) are related kinases that regulate cell cycle checkpoints and DNA repair. Mutation in the ATM gene results in the autosomal recessive disease ataxia telangiectasia (AT). The identified substrates for ATM are p53, p95/NBS1, MDM2, Chk2, BRCA1, CtIP, 4E-BP1 and Chk1. The essential requirement for the substrates of ATM/ATR is S/TQ. Hydrophobic amino acids at positions -3 and -1, and negatively charged amino acids at position +1 are positive determinants for substrate recognition by these kinases. Positively charged residues surrounding the S/TQ are negative determinants for substrate phosphorylation. The complex phenotype of cells derived from patients with AT suggests that ATM has additional cellular substrates. In unirradiated cells, ATM is present as an inactive homodimer or multimer. Double-stranded breaks in DNA caused by ionizing radiation cause rapid ATM kinase activation through dissociation of this complex and ATM autophosphorylation at Ser1981.

Chk2:
The p53 tumor-suppressor gene integrates numerous signals that control cell life and death. Several novel molecules involved in p53 signaling, including Chk2, p53R2, p53AIP1, Noxa, PIDD, and PID/MTA2, were recently discovered. The checkpoint kinase Chk2 is the mammalian homologue of yeast Cds1/Rad53. In response to DNA damage, the checkpoint kinase ATM phosphorylates and activates Chk2, which in turn directly phosphorylates and activates p53. Chk2 serves as ATM downstream effector to mediate activation of p53. Chk2 also phosphorylates and activates BRCA1, the product of a tumor suppressor gene that is mutated in breast and ovarian cancer.

* See full size versions for corresponding references.

Spécificité

05-513SP: Other species not tested.
05-649SP and 05-740SP: Others not tested.
05-649SP and 05-740SP: Predicted to cross-react with rat based on sequence homology.

Immunogène

05-649SP: Mixture of two GST fusion proteins corresponding to residues 1-223 and 217-543 of human Chk2;05-740SP: KLH-conjugated, synthetic peptide corresponding to amino acids 1974-1988 (SLAFEEG[pS]QSTTISS) of human ATM. The immunizing sequence has 11/12 identical amino acids in mouse and rat.;05-513SP: Full length human ATM. Clone AM9.
Epitope: 05-740SP:Ser1981

Application

Research Category
Signaling
Research Sub Category
Cell Cycle, DNA Replication & Repair
This Antibody pack contains Anti-ATM Antibody, Anti-phospho-ATM Antibody (Ser1981), Anti-Chk2 Antibody validated for use in WB, ICC & IP.

Conditionnement

Each vial is 30% the size of the parent catalog number

Composants

05-513SP Anti-ATM, clone AM9

05-740SP Anti-phospho-ATM (Ser1981),
clone 10H11.E12

05-649SP Anti-Chk2, clone 7

Qualité

05-649SP: Routinely evaluated by immunoblot on RIPA lysates from Jurkat cells, HeLa, 3T3/A31, or A431 cells.

Western Blot Analysis: 0.1-1 μg/mL of this lot detected Chk2 in RIPA lysates from Jurkat cells. A previous lot detected Chk2 in lysates from HeLa, 3T3/A31, and A431 cells.

05-740SP: Routinely evaluated by immunoblot on in crude lysates from irradiated HeLa cells.

Western Blot Analysis: 0.5 µg/mL of this lot detected phosphorylated ATM in crude lysates from irradiated HeLa cells.

05-513SP: Routinely evaluated by immunoblot on nuclear extract from Raji cells.

Western Blot Analysis:
1:250-1:1000 dilution of this lot detected ATM in a nuclear extract from Raji cells.

Description de la cible

05-649SP: 67 kDa;05-740SP:~370 kDa;05-513SP: 350 kDa

Forme physique

3 individual tubes containing either Anti-ATM, clone AM9; Anti-phospho-ATM (Ser1981), clone 10H11.E12; or Anti-Chk2, clone 7

Stockage et stabilité

Stable for 1 year at -20°C from date of receipt.
For maximum recovery of product, centrifuge the vial prior to removing the cap.

Remarque sur l'analyse

Control
For 05-649SP use Jurkat cell lysate, HeLa cell lysate.

For 05-740SP use Irradiated HeLa cell lysates.

For 05-513SP use Raji cells

Autres remarques

Concentration: Please refer to the Certificate of Analysis for the lot-specific concentration.

Informations légales

UPSTATE is a registered trademark of Merck KGaA, Darmstadt, Germany

Clause de non-responsabilité

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Code de la classe de stockage

10 - Combustible liquids


Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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Consulter la Bibliothèque de documents

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International Journal of Pharmaceutics null
Yongjun Tan et al.
Molecular and cellular biology, 27(3), 1007-1016 (2006-11-15)
The forkhead box M1 (FoxM1) transcription factor regulates expression of cell cycle genes essential for DNA replication and mitosis during organ repair and cancer progression. Here, we demonstrate that FoxM1-deficient (-/-) mouse embryonic fibroblasts and osteosarcoma U2OS cells depleted in

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