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Table 1 Definition of EC numbers in NC-IUBMB

From: Consensus and conflict cards for metabolic pathway databases

EC number Enzyme name Reaction as defined by NC-IUBMB
2.7.4.4 Nucleoside-phosphate kinase ATP + nucleoside phosphate =
ADP + nucleoside diphosphate
2.7.4.14 UMP/CMP kinase (1) ATP + (d)CMP = ADP + (d)CDP
(2) ATP + UMP = ADP + UDP
2.7.4.22 UMP kinase ATP + UMP = ADP + UDP
  1. The enzyme name and reaction(s) linked to the EC numbers of Figure 2 by the Nomenclature Committee of the International Union of Biochemistry and Molecular Biology (NC-IUBMB). The information of NC-IUBMB is available in a C2Card for each EC number that is part of the overview (see Figure 1). Note that the EC number 2.7.4.22 is unlikely to be correct in this case as NC-IUBMB indicates that this particular enzyme is the prokaryotic variant of the enzyme linked to EC number 2.7.4.4.