Chk2 (CHEK2) Mouse Monoclonal Antibody

Specifications

Product Data
Applications	WB
Recommend Dilution	WB 0.1-1 µg/ml ELISA 0.01-0.1 µg/ml IP 2-5 µg/ml IHC 2-10 µg/ml FC 5-10 µg/ml
Reactivity	Human
Host	Mouse
Clonality	Monoclonal
Immunogen	Purified recombinant CHK2 protein.
Formulation	This affinity purified antibody is supplied in sterile Phosphate buffered saline (pH7.2) containing antibody stabilizer.
Purification	The mouse IgG is purified by Protein A-Affinity Chromatography according to Isotyping
Conjugation	Unconjugated
Storage Condition	Store at -20°C as received.
Predicted Protein Size	70 kDa
Gene Name	checkpoint kinase 2
Database Link	NP_001005735 Entrez Gene 11200 Human UniProt ID O96017
Background	Cell cycle events are regulated by the sequential activation and deactivation of cyclin dependent kinases (Cdks) and by proteolysis of cyclins. In response to DNA damage and replication blocks, cell cycle progression is halted through the control of critical cell cycle regulators. Both Chk1 and Chk2 contain 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. Cdc25A, Cdc25B and Cdc25C protein tyrosine phosphatases function as mitotic activators by dephosphorylating Cdc2 p34 on regulatory tyrosine residues. Chk1 can phosphorylate Wee1 in vitro, providing evidence that the hyperphosphorylated form of Wee1, seen in cells delayed by Chk1 overexpression, is due to phosphorylation by Chk1. In addition, CHKs interact with and phosphorylates BRCA1, allowing BRCA1 to restore survival after DNA damage. Mutations in CHK2 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. Three transcript variants (a, b, c) encoding different isoforms have been found.
Synonyms	CDS1; CHK2; hCds1; HuCds1; LFS2; PP1425; RAD53
Reference Data
Protein Families	Druggable Genome, Protein Kinase, Stem cell - Pluripotency
Protein Pathways	Cell cycle, p53 signaling pathway

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