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T2807 Sigma

Thymidine Phosphorylase, recombinant from Escherichia coli

recombinant, expressed in E. coli, buffered aqueous solution, ≥500 units/mL

Synonym: Thymidine:orthophosphate deoxy-D-ribosyltransferase

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Properties

Related Categories 2.4.x.x Glycosyltransferases, 2.x.x.x Transferases, Application Index, Biochemicals and Reagents, Cell Biology,
Quality Level   PREMIUM
recombinant   expressed in E. coli
form   buffered aqueous solution
concentration   ≥500 units/mL
storage temp.   2-8°C
Gene Information   Escherichia coli K12 ... deoA(948901)

Description

General description

Thymidine phosphorylase inhibits vascular smooth muscle cell proliferation.

Packaging

5000 units in glass bottle

Preparation Note

Cloned from E. coli and produced in overexpressing E. coli

Unit Definition

One unit will convert 1.0 μmole each of thymidine and phosphate to thymine and 2-deoxyribose 1-phosphate per min at pH 7.4 at 25°C.

Physical form

Solution in 0.5 M potassium phosphate containing 2 mM uracil, 0.02% sodium azide and bovine serum albumin

Application

Thymidine phosphorylase has been used in a study to assess TAS-102 treatment in patients with advanced solid tumors. Thymidine phosphorylase has also been used in a study to investigate antitumor effects of the FP3 protein on patient-derived tumor tissue xenograft models of primary colon carcinoma.

Biochem/physiol Actions

An enzyme that catalyzes the reversible conversion of thymidine to thymine. Thymidine phosphorylase is part of the pyrimidine nucleoside salvage pathway. This pathway allows pyrimidine bases to be recycled for nucleotide biosynthesis, while the pentose 1-phosphates are converted to intermediates of the pentose phosphate shunt and glycolysis. The E. coli thymidine phosphorylase shares 40% sequence homology with the human sequence, which has been found to be identical to the angiogenic agent platelet-derived endothelial growth factor. The purified E. coli enzyme has been shown to stimulate blood vessel growth in chick chorioallantoic membrane assays.

Price and Availability


Available in ELITE Grade

All labs need water
Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
2
Protocols & Articles

Related Content

Enzymes & Proteins

Application Index | Enzyme Index | Substrate Index | Inhibitor Index | Cofactor Index | Lectin Index
Keywords: Cell signaling, Diagnostic, Drug discovery, Molecular biology

Peer-Reviewed Papers
15

References

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