Chk2 (CHEK2) pThr387 Rabbit Polyclonal Antibody

Specifications

Product Data
Applications	IHC
Recommend Dilution	Immunohistochemistry on Paraffin Sections: 1/50-1/200.
Reactivity	Human, Mouse, Rat
Host	Rabbit
Clonality	Polyclonal
Immunogen	Synthetic phosphopeptide derived from human Chk2 around the phosphorylation site of Threonine 387.
Specificity	This antibody detects endogenous levels of p-CHK2 protein when phosphorylated at Thr387.
Formulation	Phosphate buffered saline (PBS), pH 7.2. State: Aff - Purified State: Liquid purified Ig fraction (> 95% pure by SDS-PAGE) Preservative: 0.05% Sodium Azide
Concentration	1.0 mg/ml
Purification	Affinity Chromatography
Conjugation	Unconjugated
Storage Condition	Store undiluted at 2-8°C for one month or (in aliquots) at -20°C for longer. Avoid repeated freezing and thawing.
Predicted Protein Size	~ 62 kDa
Gene Name	checkpoint kinase 2
Database Link	Entrez Gene 50883 MouseEntrez Gene 114212 RatEntrez 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. Chk1 and Chk2 are involved in these processes as regulators of Cdks. Chk1 and Chk2 both function as essential components in the G2 DNA damage checkpoint by phosphorylating Cdc25C in response to DNA damage. Phosphorylation inhibits Cdc25C activity, thereby blocking mitosis. Cdc25A, Cdc25B and Cdc25C protein tyrosine phosphatases function as mitotic activators by dephosphorylating Cdc2 p34 on regulatory tyrosine residues. It has also been shown that Chk1 can phosphorylate Wee 1 in vitro, providing evidence that the hyperphosphorylated form of Wee 1, seen in cells delayed by Chk1 overexpression, is due to phosphorylation by Chk1. Chk1 is phosphorylated on Serine 345 (S345) in response to UV, IR and hydroxyurea (HU). Chk1 plays an essential role in the mammalian DNA damage checkpoint, embryonic development and tumor suppression.
Synonyms	CHEK2, CHEK-2, CHK-2, RAD53, Cds1
Reference Data
Protein Families	Druggable Genome, Protein Kinase, Stem cell - Pluripotency
Protein Pathways	Cell cycle, p53 signaling pathway

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