Recombinant Human PD-ECGF/Thymidine Phosphorylase Protein
R&D Systems, part of Bio-Techne | Catalog # 229-PE
Soon to be discontinued.
Key Product Details
Product Specifications
Source
Spodoptera frugiperda, Sf 21 (baculovirus)-derived human PD-ECGF/Thymidine Phosphorylase protein
Ala11-Gln482
Ala11-Gln482
Purity
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Endotoxin Level
<0.10 EU per 1 μg of the protein by the LAL method.
N-terminal Sequence Analysis
Ala11
Predicted Molecular Mass
49 kDa
Activity
Bioassay data are not available.
Formulation, Preparation and Storage
Carrier Free
What does CF mean?CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.
What formulation is right for me?In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.
Carrier: 229-PE
| Formulation | Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein. |
| Reconstitution | Reconstitute at 100 μg/mL in sterile PBS containing at least 0.1% human or bovine serum albumin. |
| Shipping | The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. |
| Stability & Storage | Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
|
Carrier Free: 229-PE/CF
| Formulation | Lyophilized from a 0.2 μm filtered solution in PBS. |
| Reconstitution | Reconstitute at 100 μg/mL in sterile PBS. |
| Shipping | The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. |
| Stability & Storage | Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
|
Background: PD-ECGF/Thymidine Phosphorylase
PD-ECGF, also known as TPase and gliostatin, is produced by placenta, platelets, liver, lung, spleen, lymph nodes, and peripheral lymphocytes. It is overexpressed by many tumors in response to chemical or physical stress. PD-ECGF promotes endothelial cell proliferation and chemotaxis and promotes angiogenesis. PD-ECGF is a key enzyme in the pyrimidine nucleoside salvage pathway. It also metabolizes and inactivates chemotherapeutic drugs such as 5-fluorouracil and its derivatives. The human PD-ECGF cDNA encodes a 482 amino acid (aa) polypeptide with a 10 aa propeptide. The protein is localized mostly within the producer cells. N-terminal truncation, resulting in proteins lacking 10 aa and 6 aa, has been observed in PD-ECGF purified from platelets and placenta, respectively. In solution, PD-ECGF exists as a non-disulfide linked homodimer. The latter protein was purified from quiescent astrocytes and described as an astrocyte and astrocytoma cell growth inhibitor based on its ability to inhibit 3H-thymidine incorporation.
References
- Haraguchi, M. et al. (1994) Nature 368:198.
- Toi, M. et al. (2005) Lancet Oncol. 6:158.
- Akiyama, S. et al. (2004) Canc. Sci. 95:851.
Long Name
Platelet-derived Endothelial Cell Growth Factor
Alternate Names
dThdPase, ECGF1, Gliostatin, MEDPS1, MNGIE, MTDPS1, PDECGF, TdRPase, Thymidine Phosphorylase, TPase, TYMP
Gene Symbol
TYMP
UniProt
Additional PD-ECGF/Thymidine Phosphorylase Products
Product Documents for Recombinant Human PD-ECGF/Thymidine Phosphorylase Protein
Product Specific Notices for Recombinant Human PD-ECGF/Thymidine Phosphorylase Protein
For research use only
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