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Chk1 antibody

Anti-Chk1 antibody used in Western Blot (WB). GTX129490

Cat No. GTX129490

Host

Rabbit

Clonality

Polyclonal

Isotype

IgG

Application

WB

Reactivity

Human
Package
100 μl ($329),
25 μl ($169)

APPLICATION

Application Note

*Optimal dilutions/concentrations should be determined by the researcher.
Application Dilution
WB 1:1000-1:10000
Not tested in other applications.

Calculated MW

54 kDa. ( Note )

Positive Control

human Chk1-transfected 293T

PROPERTIES

Form

Liquid

Buffer

1XPBS, 1% BSA, 20% Glycerol (pH7). 0.025% ProClin 300 was added as a preservative.

Storage

Store as concentrated solution. Centrifuge briefly prior to opening vial. For short-term storage (1-2 weeks), store at 4ºC. For long-term storage, aliquot and store at -20ºC or below. Avoid multiple freeze-thaw cycles.

Concentration

1 mg/ml (Please refer to the vial label for the specific concentration.)

Antigen Species

Human

Immunogen

Carrier-protein conjugated synthetic peptide encompassing a sequence within the center region of human Chk1. The exact sequence is proprietary.

Purification

Purified by antigen-affinity chromatography.

Conjugation

Unconjugated

Note

For laboratory use only. Not for any clinical, therapeutic, or diagnostic use in humans or animals. Not for animal or human consumption.

TARGET

Synonyms

checkpoint kinase 1 , CHK1

Cellular Localization

Nucleus , Cytoplasm

Background

Required for checkpoint mediated cell cycle arrest in response to DNA damage or the presence of unreplicated DNA. May also negatively regulate cell cycle progression during unperturbed cell cycles. Recognizes the substrate consensus sequence [R-X-X-S/T]. Binds to and phosphorylates CDC25A, CDC25B and CDC25C. Phosphorylation of CDC25A at 'Ser-178' and 'Thr-507' and phosphorylation of CDC25C at 'Ser-216' creates binding sites for 14-3-3 proteins which inhibit CDC25A and CDC25C. Phosphorylation of CDC25A at 'Ser-76', 'Ser-124', 'Ser-178', 'Ser-279' and 'Ser-293' promotes proteolysis of CDC25A. Inhibition of CDC25 activity leads to increased inhibitory tyrosine phosphorylation of CDK-cyclin complexes and blocks cell cycle progression. Binds to and phosphorylates RAD51 at 'Thr-309', which may enhance the association of RAD51 with chromatin and promote DNA repair by homologous recombination. Binds to and phosphorylates TLK1 at 'Ser-743', which prevents the TLK1-dependent phosphorylation of the chromatin assembly factor ASF1A. This may affect chromatin assembly during S phase or DNA repair. May also phosphorylate multiple sites within the C-terminus of TP53, which promotes activation of TP53 by acetylation and enhances suppression of cellular proliferation.

Database

Research Area

DATA IMAGES

Anti-Chk1 antibody used in Western Blot (WB). GTX129490

GTX129490 WB Image

Chk1 antibody detects CHK1 protein by western blot analysis.
A. 30 μg 293T whole cell lysate/extract
B. 30 μg whole cell lysate/extract of human Chk1-transfected 293T cells
10 % SDS-PAGE
Chk1 antibody (GTX129490) dilution: 1:5000

REFERENCE

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REVIEW

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SDS
PBS.pdf
Glycerol.pdf
Proclin.pdf
Package List Price ($)
$ 329
$ 169