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Item number | Size | Datasheet | Manual | SDS | Delivery time | Quantity | Price |
---|---|---|---|---|---|---|---|
C4200-16A.1 | 1 mg | - | - |
3 - 19 business days* |
901.00€
|
If you have any questions, please use our Contact Form.
You can also order by e-mail: info@biomol.com
Larger quantity required? Request bulk
You can also order by e-mail: info@biomol.com
Larger quantity required? Request bulk
Synthetic peptide ([biotin-KKKVSRSGLYRSP(pS)MPENLNRPR) (linear) biotinylated at the N-terminus,... more
Product information "Chk1 Substrate Peptide, phosphorylated (Ser) (Chktide) (CHEK1, Cell Cycle Checkpoint"
Synthetic peptide ([biotin-KKKVSRSGLYRSP(pS)MPENLNRPR) (linear) biotinylated at the N-terminus, phosphorylated Serine. Substrate for CHK enzymes (C4200-10A). Chk1, one of the downstream protein kinases of ATM/ATR, plays an important role in DNA damage checkpoint, embryonic development and tumor suppression. The activation of Chk1 in response to replication blocks and certain forms of genotoxic stress involves phosphorylation of serines 317 and 345. Activated Chk1 can inactivate cdc25c via phosphorylation at serine 216, blocking the activation of cdc2 and transition into M-phase. Chk1 can also phosphorylate p53 at serine 20 in vitro. , 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. CDC25A, CDC25B and CDC25C protein tyrosine phosphatases function as mitotic activators by dephosphorylating CDC2 p34 on regulatory tyrosine residues. Phosphorylation of CDC25C by Chk1 and 2 inhibits its phosphatase activity, thereby blocking mitosis. It has also been shown that 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. Applications: Suitable for use in protein kinase assay. Other applications not tested. Recommended Dilution: Protein Kinase Assay: 100ng of CHK1, active to phosphorylate the biotinylated peptide., Optimal dilutions to be determined by the researcher. Storage and Stability: Lyophilized powder may be stored at 4°C for short-term only. Stable for 12 months at -20°C. Reconstitute to nominal volume (see reconstitution instructions for peptides) and store at -20°C. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Further dilutions can be made in assay buffer.
Supplier: | United States Biological |
Supplier-Nr: | C4200-16A |
Properties
Conjugate: | No |
MW: | 3040 kD |
Format: | Highly Purified |
Database Information
Handling & Safety
Storage: | -20°C |
Shipping: | +4°C (International: +4°C) |
Caution
Our products are for laboratory research use only: Not for administration to humans!
Our products are for laboratory research use only: Not for administration to humans!
Information about the product reference will follow.
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