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Key Documents

SAB4300390

Sigma-Aldrich

Anti-CHEK1 (Ab-317) antibody produced in rabbit

affinity isolated antibody

Sinônimo(s):

Anti-CHK1 antibody produced in rabbit, Anti-CHK1 checkpoint homolog (S. pombe) antibody produced in rabbit

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About This Item

Número MDL:
MFCD02262709
Código UNSPSC:
12352203
NACRES:
NA.41

fonte biológica

rabbit

Nível de qualidade

100

conjugado

unconjugated

forma do anticorpo

affinity isolated antibody

tipo de produto de anticorpo

primary antibodies

clone

polyclonal

forma

buffered aqueous solution

peso molecular

~56 kDa

reatividade de espécies

human

concentração

1 mg/mL

técnica(s)

immunohistochemistry (formalin-fixed, paraffin-embedded sections): 1:50-1:100
western blot: 1:500-1:1000

Isotipo

IgG

sequência de imunogênio

(S-S-S-Q-P)

nº de adesão NCBI

NP_001107593.1

nº de adesão UniProt

O14757

Condições de expedição

wet ice

temperatura de armazenamento

−20°C

modificação pós-traducional do alvo

unmodified

Informações sobre genes

human ... CHEK1(1111)

Imunogênio

Peptide sequence around aa. 315-319 (S-S-S-Q-P), according to the protein CHEK1.

Características e benefícios

Evaluate our antibodies with complete peace of mind. If the antibody does not perform in your application, we will issue a full credit or replacement antibody. Learn more.

Descrição-alvo

Chek1 is a protein kinase that inhibits mitotic entry after DNA damage, required for the DNA damage checkpoint and is strongly similar to murine Chek1. Checkpoint pathways control the order and timing of cell cycle transitions and ensure that critical events, such as DNA replication and chromosome segregation, are completed with high fidelity. The mouse and human proteins share 90% sequence identity through the protein kinase domains. The sequence of the 476-amino acid human Chek1 protein is 29%, 40%, and 44% identical to those of the fission yeast Chek1, C. elegans Chek1, and Drosophila 'grapes' (Grp) proteins, respectively. Chek1 is expressed ubiquitously as an approximately 2.4-kb mRNA, with the most abundant expression in thymus, testis, small intestine, and colon. The protein has altered mobility when isolated from cells treated with ionizing radiation, indicating that Chek1 is modified in response to DNA damage. In vitro, Chek1 directly phosphorylates a regulator of CDC2 tyrosine phosphorylation, CDC25C. In response to DNA damage, Chek1 phosphorylates and inhibits CDC25C, thus preventing activation of the CDC2-Cyclin-B complex and mitotic entry.

forma física

Solution in phosphate-buffered saline containing 0.02% sodium azide and 50% glycerol

Exoneração de responsabilidade

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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Código de classe de armazenamento

10 - Combustible liquids

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Certificados de análise (COA)

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Yin Xie et al.
Medical oncology (Northwood, London, England), 31(3), 844-844 (2014-01-28)
Checkpoint kinase 1 (CHEK1) is an evolutionarily conserved Ser/Thr kinase, which mediates cell-cycle arrest after DNA damage, and we previously reported that CHEK1 was overexpressed and associated with poor prognosis in hepatocellular carcinoma (HCC), indicating it was oncogenic gene. In
Judy Yan et al.
Experimental cell research, 328(1), 132-142 (2014-08-26)
Despite the development of chemoresistance as a major concern in prostate cancer therapy, the underlying mechanisms remain elusive. In this report, we demonstrate that DU145-derived prostate cancer stem cells (PCSCs) progress slowly with more cells accumulating in the G1 phase
Eui Young So et al.
Cancer biology & therapy, 15(7), 906-910 (2014-04-24)
The bone marrow (BM) is one of the organs that is sensitive to acute exposure of ionizing radiation (IR); however, the mechanism of its high sensitivity to IR remains to be elucidated. BM is differentiated into dendritic cells (DC) with
Hiroyasu Sakai et al.
Cell cycle (Georgetown, Tex.), 13(6), 1015-1029 (2014-02-21)
Wip1 (protein phosphatase Mg(2+)/Mn(2+)-dependent 1D, Ppm1d) is a nuclear serine/threonine protein phosphatase that is induced by p53 following the activation of DNA damage response (DDR) signaling. Ppm1d(-/-) mouse embryonic fibroblasts (MEFs) exhibit premature senescence under conventional culture conditions; however, little

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