When cursor points to a box further details will be displayed in a tooltip window. If you click on the box you will change to appropriate reaction scheme or enzyme specification.
© IUBMB 2008
enzymes homepage.
Alternative pathway and NADP+ biosynthesis
Formation from tryptophan catabolism
cyclic-ADP-ribose biosynthesis
5-phospho-α-D-ribose 1-diphosphate biosynthesis
EC 2.4.2.11now EC 6.3.5.1
EC 2.4.2.19 nicotinate-nucleotide diphosphorylase (carboxylating)
EC 2.7.7.18 nicotinate-nucleotide adenylyltransferase
EC 6.3.4.21 nicotinate phosphoribosyltransferase
EC 6.3.5.1 NAD+ synthase (glutamine-hydrolysing)