Thermo Fisher Scientific Phospho-CHK2 (Thr68) Polyclonal Antibody

Applications

Tested Dilution

Publications

Western Blot (WB)

1:500-1:2,000

-

ELISA (ELISA)

1:10,000-1:70,000

-

Immunoprecipitation (IP)

1:200-1:2,000

-

Product Specifications

Species Reactivity

Human

Host/Isotype

Rabbit / IgG

Class

Polyclonal

Type

Antibody

Immunogen

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Conjugate

Unconjugated Unconjugated Unconjugated

Form

Liquid

Concentration

1 mg/mL

Purification

Affinity chromatography

Storage buffer

0.02M potassium phosphate, pH 7.2, with 0.15M NaCl

Contains

0.01% sodium azide

Storage conditions

-20° C, Avoid Freeze/Thaw Cycles

Shipping conditions

Ambient (domestic); Wet ice (international)

Product Specific Information

Store vial at -20° C prior to opening. Aliquot contents and freeze at -20° C or below for extended storage. Avoid cycles of freezing and thawing. Centrifuge product if not completely clear after standing at room temperature. This product is stable for several weeks at 4° C as an undiluted liquid. Dilute only prior to immediate use.

This affinity purified antibody is directed against the phosphorylated form of human CHK2 at the pT68 residue. Reactivity occurs against human CHK2 pT68 protein and the antibody is specific for the phosphorylated form of the protein. Reactivity with non-phosphorylated human CHK2 is minimal by ELISA. The antibody does not cross-react with Chk2 phosphorylated at other sites. A BLAST analysis was used to suggest reactivity with this protein from human and chimpanzee based on 100% homology for the immunogen sequence. Cross reactivity with CHK2 protein from mouse and rat may occur as sequence homology varies by one amino acid residues in this sequence (90% homology). Cross reactivity with CHK2 homologues from other sources has not been determined.

Target Information

CHEK2 (CHK2) is a serine/threonine kinase and a component of the DNA damage checkpoint pathway. A mutation in CHK2 has been linked to cancer. CHK2 is activated by DNA damage and phosphorylates several modulators of cell cycle control including tumor suppressor proteins. In addition, Chk2 can phosphorylate BRCA1, allowing BRCA1 to restore survival after DNA damage. Chk2 is a putative tumor suppressor protein, with mutations in to the Chk2 gene linked to Li-Fraumeni syndrome, a familiar cancer usually associated with inherited mutations in TP53. Also, mutations in CHK2 are thought to confer a predisposition to sarcomas, breast cancer, and brain tumors.

For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.