IUBMB Enzyme Nomenclature


Accepted name: uracil phosphoribosyltransferase

Reaction: UMP + diphosphate = uracil + 5-phospho-α-D-ribose 1-diphosphate

Other name(s): UMP pyrophosphorylase; UPRTase; UMP:pyrophosphate phosphoribosyltransferase; uridine 5'-phosphate pyrophosphorylase; uridine monophosphate pyrophosphorylase; uridylate pyrophosphorylase; uridylic pyrophosphorylase

Systematic name: UMP:diphosphate phospho-α-D-ribosyltransferase

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, PDB, CAS registry number: 9030-24-4


1. Crawford, I., Kornberg, A. and Simms, E.S. Conversion of uracil and orotate to uridine 5'-phosphate by enzymes in lactobacilli. J. Biol. Chem. 226 (1967) 1093-1101.

2. Flaks, J.G. Nucleotide synthesis from 5-phosphoribosylpyrophosphate. Methods Enzymol. 6 (1963) 136-158.

[EC created 1961]

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