Checkpoint Homolog 2 (CHEK2), Polyclonal Antibody

RAD53; CDS1; CHK2; HuCds1; Serine/threonine-protein kinase Chk2

For Research Use Only. Not for use in diagnostic procedures.

Polyclonal

Rabbit

200ug/ml (lot specific)

Manufactured in an ISO 9001:2008 and ISO 13485:2003 Certified Laboratory.

Manufactured in a lab with traceable raw materials. Bulk orders can typically be prepared to the customer’s specifications, please inquire.

Small volumes of anti-CHEK2 antibody vial(s) may occasionally become entrapped in the seal of the product vial during shipment and storage. If necessary, briefly centrifuge the vial on a tabletop centrifuge to dislodge any liquid in the container`s cap. Certain products may require to ship with dry ice and additional dry ice fee may apply.

Western Blot (WB), Immunocytochemistry (ICC), Immunohistochemistry (IHC) Formalin/Paraffin, ELISA (ELISA)

36,157 Da

checkpoint kinase 2

serine/threonine-protein kinase Chk2

Serine/threonine-protein kinase Chk2

CDS1; CHK2; RAD53; Hucds1; hCds1  [Similar Products]

In response to DNA damage and replication blocks, cell cycle progression is halted through the control of critical cell cycle regulators. The protein encoded by this gene is a cell cycle checkpoint regulator and putative tumor suppressor. It contains a forkhead-associated protein interaction domain essential for activation in response to DNA damage and is rapidly phosphorylated in response to replication blocks and DNA damage. When activated, the encoded protein is known to inhibit CDC25C phosphatase, preventing entry into mitosis, and has been shown to stabilize the tumor suppressor protein p53, leading to cell cycle arrest in G1. In addition, this protein interacts with and phosphorylates BRCA1, allowing BRCA1 to restore survival after DNA damage. Mutations in this gene have been linked with Li-Fraumeni syndrome, a highly penetrant familial cancer phenotype usually associated with inherited mutations in TP53. Also, mutations in this gene are thought to confer a predisposition to sarcomas, breast cancer, and brain tumors. This nuclear protein is a member of the CDS1 subfamily of serine/threonine protein kinases. Several transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Apr 2012]

Chk2: a CAMK protein kinase of the Rad53 family. A cell cycle checkpoint regulator and putative tumor suppressor. It contains a forkhead-associated protein interaction domain essential for activation in response to DNA damage and is rapidly phosphorylated in response to replication blocks and DNA damage. Phosphorylates and inhibits CDC25C, preventing entry into mitosis, p53, leading to cell cycle arrest in G1, and BRCA1, restoring survival after DNA damage. Twelve splice variant isoforms have been described for human Chk2. LOF mutants cause Li-Fraumeni syndrome, a highly penetrant familial cancer phenotype also caused by p53 mutations. Familial mutations also associated with prostate and breast cancer, and mutations also seen in a variety of sporadic cancers and cell lines.

Protein type: CAMK group; EC 2.7.11.1; Kinase, protein; Protein kinase, CAMK; Protein kinase, Ser/Thr (non-receptor); RAD53 family; Tumor suppressor

Chromosomal Location of Human Ortholog: 22q12.1

Cellular Component: chromosome, telomeric region; Golgi apparatus; nucleoplasm; PML body

Molecular Function: identical protein binding; protein binding; protein homodimerization activity; protein kinase binding; protein serine/threonine kinase activity; ubiquitin protein ligase binding

Biological Process: cellular protein catabolic process; DNA damage checkpoint; DNA damage induced protein phosphorylation; DNA damage response, signal transduction; DNA damage response, signal transduction by p53 class mediator resulting in cell cycle arrest; DNA damage response, signal transduction resulting in induction of apoptosis; double-strand break repair; G2/M transition of mitotic cell cycle; peptidyl-serine phosphorylation; peptidyl-threonine phosphorylation; positive regulation of transcription, DNA-dependent; protein amino acid autophosphorylation; protein amino acid phosphorylation; protein stabilization; regulation of apoptosis; regulation of protein catabolic process; regulation of transcription, DNA-dependent; replicative cell aging; response to DNA damage stimulus

Disease: Breast Cancer; Li-fraumeni Syndrome 2; Osteogenic Sarcoma; Prostate Cancer

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