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. 2022 Mar 16;12:3984. doi: 10.1038/s41598-022-07836-7

Table 1.

List of reactions constituting the canonical Calvin–Benson cyclea,b,c.

Reaction number and name Substrate Product
1 Rubisco CO2 + RuBP 2 PGA
2 PGA kinase PGA BPG
3 GAP dehydrogenase BPG GAP
4 Triose phosphate isomerase GAP DHAP
5 FBP aldolase GAP + DHAP FBP
6 FBPase FBP F6P
7 Transketolase F6P + GAP E4P + Xu5P
8 SBP aldolase E4P + DHAP SBP
9 SBPase SBP S7P
10 Transketolase S7P + GAP R5P + Xu5P
11 Isomerase R5P Ru5P
12 Epimerase Xu5P Ru5P
13 Phosphoribulokinase Ru5P RuBP

aCurrency metabolites are not shown. Currency metabolites include metabolites such as ATP, ADP, NADPH, NADP+, H+, inorganic phosphate, and H2O.

bPGA kinase, 3-phosphoglycerate kinase; GAP dehydrogenase, glyceraldehyde 3-phosphate dehydrogenase; FBP aldolase, fructose 1,6-bisphosphate aldolase; FBPase, fructose 1,6-bisphosphatase; SBP aldolase, sedoheptulose 1,7-bisphosphate aldolase; SBPase, sedoheptulose 1,7-bisphosphatase; RuBP, ribulose 1,5-bisphosphate; PGA, 3-phosphoglycerate; BPG,1,3-bisphosphoglycerate; GAP, glyceraldehyde 3-phosphate; DHAP, dihydroxyacetone phosphate; FBP, fructose 1,6-bisphosphate; F6P, fructose 6-phosphate; E4P, erythrose 4-phosphate; Xu5P, xylulose 5-phosphate; SBP, sedoheptulose 1,7-bisphosphate; S7P, sedoheptulose 7-phosphate; R5P, ribose 5-phosphate; Ru5P, ribulose 5-phosphate.

cThe FBP and SBP formation reactions catalyzed by aldolase are named FBP aldolase and SBP aldolase, respectively.