Chk1 Protein, Human, Recombinant (GST)

Catalog No. TMPY-04368

Chk1 Protein, Human, Recombinant (GST) is expressed in Baculovirus insect cells with GST tag. The predicted molecular weight is 80.7kDa and the accession number is AAM78553.1.

Chk1 Protein, Human, Recombinant (GST)

Catalog No. TMPY-04368

Chk1 Protein, Human, Recombinant (GST) is expressed in Baculovirus insect cells with GST tag. The predicted molecular weight is 80.7kDa and the accession number is AAM78553.1.

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50 μg	$498	7-10 days

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Product Information

Biological Activity	The specific activity was determined to be > 15 nmol/min/mg using CHKtide peptide (KKKVSRSGLYRSPSMPENLNRPR) as substrate.
Description	Chk1 Protein, Human, Recombinant (GST) is expressed in Baculovirus insect cells with GST tag. The predicted molecular weight is 80.7kDa and the accession number is AAM78553.1.
Species	Human
Expression System	Baculovirus Insect Cells
Tag	N-GST
Accession Number	AAM78553.1
Synonyms	CHK1,checkpoint kinase 1
Construction	A DNA sequence encoding the human CHK1 (AAM78553.1) (Met1-Thr476) was fused with the GST tag at the N-terminus. Predicted N terminal: Met
Protein Purity	> 85 % as determined by SDS-PAGE
Molecular Weight	80.7kDa (predicted); 80 kDa (reducing conditions)
Endotoxin	< 1.0 EU/μg of the protein as determined by the LAL method.
Formulation	Supplied as sterile 20 mM Tris, 500 mM NaCl, pH 7.4, 10% glycerol, 2 mM GSH.
Reconstitution	A Certificate of Analysis (CoA) containing reconstitution instructions is included with the products. Please refer to the CoA for detailed information.
Stability & Storage	It is recommended to store the product under sterile conditions at -20°C to -80°C. Samples are stable for up to 12 months. Please avoid multiple freeze-thaw cycles and store products in aliquots.
Shipping	Shipping with blue ice.
Research Background	CHK1 / CHEK1 contains 1 protein kinase domain and belongs to the protein kinase superfamily, CAMK Ser/Thr protein kinase family, NIM1 subfamily. It is a member of checkpoint kinases (Chks). Chks Checkpoint kinases (Chks) are serine/threonine kinases that are involved in the control of the cell cycle. There are two subtypes of chks that have so far been identified, CHK1 / CHEK1 and Chk2. They are essential components to delay cell cycle progression in normal and damaged cells and can act at all three cell cycle checkpoints. Chks are activated by phosphorylation. ATR kinase phosphorylates CHK1 / CHEK1 in response to single strand DNA breaks and ATM kinase phosphorylates Chk2 in response to double strand breaks. Chks phosphorylate Cdc25 phosphatase at Ser216, which leads to Cdc25 sequestration in the cytoplasm. Chks have a role in the physiological stress of hypoxia/reoxygenation. CHK1 / CHEK1 is required for checkpoint mediated cell cycle arrest in response to DNA damage or the presence of unreplicated DNA. CHK1 / CHEK1 may also negatively regulate cell cycle progression during unperturbed cell cycles.Cancer ImmunotherapyImmune CheckpointImmunotherapyTargeted Therapy