Compound as reactive (1)
nicotinate + D-ribulose 1-phosphate + H+ → β-D-ribosylnicotinate + phosphate
Compound as product (1)
D-ribulose + ATP → D-ribulose 1-phosphate + H+ + ADP
Reversible reaction (1)
D-ribulose 1-phosphate ↔ glycerone phosphate + glycolaldehyde