| Field | Specification |
|---|---|
| Mfr No | |
| Activity | |
| Biological Activity | |
| Enzyme Type | |
| Expression System | |
| Form | Liquid |
| Formulation | |
| Product Type | |
| Purity | |
| Source | Escherichia Coli. |
| Species | |
| Storage | |
| Target |
Product Description
Cytidine Deaminase Human Recombinant
Overview
Cytidine deaminase (CDA) is an enzyme that scavenges exogenous and endogenous cytidine and 2'-deoxycytidine for UMP synthesis. CDA is one of several deaminases responsible for maintaining the cellular pyrimidine pool. CDA also catalyzes the deamination of chemotherapeutic cytosine nucleoside analogs such as Ara-C and 5-azacytidine, which results in the loss of their cytotoxic and antitumor function. CDA can form homotetramers and is generally expressed in granulocytes. Mutations in the CDA gene are linked to decreased sensitivity to the cytosine nucleoside analogue cytosine arabinoside used in the treatment of certain childhood leukemias.
Biological Activity
Specific activity is > 10,000pmol/min/ug, and is defined as the amount of required to deaminate 1.0pmole of cytidine per min at pH 7.5 at 25C.
Specifications
| Purity | Greater than 90.0% as determined by SDS-PAGE. |
|---|---|
| Formulation | The CDA solution (0.5mg/ml) contains 20mM Tris-HCl Buffer (pH 8.0), 1mM DTT, 2mM EDTA, 100mM NaCl and 40% Glycerol. |
| Storage | Store at 4°C if entire vial will be used within 2-4 weeks.Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles. |
| Expression System | Escherichia Coli. |
