Chk1 (phospho Ser317) rabbit pAb

The protein encoded by this gene belongs to the Ser/Thr protein kinase family. It is required for checkpoint mediated cell cycle arrest in response to DNA damage or the presence of unreplicated DNA. This protein acts to integrate signals from ATM and ATR, two cell cycle proteins involved in DNA damage responses, that also associate with chromatin in meiotic prophase I. Phosphorylation of CDC25A protein phosphatase by this protein is required for cells to delay cell cycle progression in response to double-strand DNA breaks. Several alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Oct 2011],

Product Specifications

Background

UniProt

O14757

Swiss Prot

O14757

Reactivity

Human; Mouse; Rat

Immunogen

The antiserum was produced against synthesized peptide derived from human Chk1 around the phosphorylation site of Ser317. AA range:286-335

Clonality

Polyclonal

Source

Rabbit

Applications

WB; IHC; IF; ELISA

Concentration

1 mg/ml

Dilution

Western Blot: 1/500 - 1/2000. Immunohistochemistry: 1/100 - 1/300. ELISA: 1/5000. Not yet tested in other applications.

Molecular Weight

54kD

Storage Conditions

-20°C/1 year

Observed Molecular Weight

54kD

Fragment

IgG

Subcellular Location

Nucleus . Chromosome . Cytoplasm . Cytoplasm, cytoskeleton, microtubule organizing center, centrosome . Nuclear export is mediated at least in part by XPO1/CRM1 (PubMed:12676962) . Also localizes to the centrosome specifically during interphase, where it may protect centrosomal CDC2 kinase from inappropriate activation by cytoplasmic CDC25B (PubMed:15311285) . Proteolytic cleavage at the C-terminus by SPRTN promotes removal from chromatin (PubMed:31316063) . .