Entry
Name
dioxotetrahydropyrimidine phosphoribosyltransferase;
dioxotetrahydropyrimidine-ribonucleotide pyrophosphorylase;
dioxotetrahydropyrimidine phosphoribosyl transferase;
dioxotetrahydropyrimidine ribonucleotide pyrophosphorylase;
2,4-dioxotetrahydropyrimidine-nucleotide:diphosphate phospho-alpha-D-ribosyltransferase
Class
Transferases;
Glycosyltransferases;
Pentosyltransferases
BRITE hierarchy
Sysname
2,4-dioxotetrahydropyrimidine-D-ribonucleotide:diphosphate phospho-alpha-D-ribosyltransferase
Reaction(IUBMB)
a 2,4-dioxotetrahydropyrimidine D-ribonucleotide + diphosphate = a 2,4-dioxotetrahydropyrimidine + 5-phospho-alpha-D-ribose 1-diphosphate [RN:
R04346 ]
Reaction(KEGG)
Substrate
2,4-dioxotetrahydropyrimidine D-ribonucleotide [CPD:
C04639 ];
diphosphate [CPD:
C00013 ]
Product
2,4-dioxotetrahydropyrimidine [CPD:
C00429 ];
5-phospho-alpha-D-ribose 1-diphosphate [CPD:
C00119 ]
Comment
Acts (in the reverse direction) on uracil and other pyrimidines and pteridines containing a 2,4-diketo structure.
History
EC 2.4.2.20 created 1972
Reference
Authors
HATFIELD D, WYNGAARDEN JB.
Title
3-RIBOSYLPURINES. I. SYNTHESIS OF (3-RIBOSYLURIC ACID) 5'-PHOSPHATE AND (3-RIBOSYLXANTHINE) 5'-PHOSPHATE BY A PYRIMIDINE RIBONUCLEOTIDE PYROPHOSPHORYLASE OF BEEF ERYTHROCYTES.
Journal
J Biol Chem 239:2580-6 (1964)
Other DBs
ExplorEnz - The Enzyme Database: 2.4.2.20
ExPASy - ENZYME nomenclature database: 2.4.2.20
LinkDB
All DBs