IUBMB Enzyme Nomenclature


Accepted name: thymidine phosphorylase

Reaction: thymidine + phosphate = thymine + 2-deoxy-α-D-ribose 1-phosphate

Other name(s): pyrimidine phosphorylase; thymidine-orthophosphate deoxyribosyltransferase; animal growth regulators, blood platelet-derived endothelial cell growth factors; blood platelet-derived endothelial cell growth factor; deoxythymidine phosphorylase; gliostatins; pyrimidine deoxynucleoside phosphorylase; thymidine:phosphate deoxy-D-ribosyltransferase

Systematic name: thymidine:phosphate deoxy-α-D-ribosyltransferase

Comments: The enzyme in some tissues also catalyses deoxyribosyltransferase reactions of the type catalysed by EC, nucleoside deoxyribosyltransferase.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, PDB, CAS registry number: 9030-23-3


1. Friedkin, M. and Roberts, D. The enzymatic synthesis of nucleosides. I. Thymidine phosphorylase in mammalian tissue. J. Biol. Chem. 207 (1954) 245-256.

2. Zimmerman, M. and Seidenberg, J. Deoxyribosyl transfer. I. Thymidine phosphorylase and nucleoside deoxyribosyltransferase in normal and malignant tissues. J. Biol. Chem. 239 (1964) 2618-2621.

3. Zimmerman, M. Deoxyribosyl transfer. II. Nucleoside:pyrimidine deoxyribosyltransferase activity of three partially purified thymidine phosphorylases. J. Biol. Chem. 239 (1964) 2622-2627.

[EC created 1961]

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