Plant Photosynthesis

(1) 6 Ribulose-1-5-biphosphate + 6CO₂ + 6H₂O (RuBP) ——–> 12 3-Phosphoglyceric acid (3PGA)

(2) 12 3-Phosphoglyceric acid + 12 ATP (3PGA) ——–> 12 1-3-Diphosphoglyceric acid + 12 ADP
12 1-3-Diphosphoglyceric acid + 12 NADPH ——–> 12 Phosphoglyeraldehyde + 12 NADP + 12 Pi (PGAL)

(3) 5 Phosphoglyceraldehyde (PGAL) ——–> 5 Dihydroxyacetonephosphate (DHAP)
3 PGAL + 3 Dihydroxyacetonephosphate (DHAP) ——–> 3 Fructose 1-6 diphosphate
3 Fructose-1-6-diphosphate + 3H₂O ——–> 3 Fructose-6-phosphate + 3 Pi

(4) 2 Fructose-6-phosphate + 2 PGAL ——–> 2 Xylulose-5-phosphate + 2 Erythrose-4-phosphate

(5) 2 Erythrose-4-phosphate + 2 DHAP ——–> 2 Sedoheptulose-1-7 diphosphate
2 Sedoheptulose-1-7-diphosphate + 2H₂O ——–> 2 Sedoheprulose-7-phosphate + 2 Pi

(6) 2 Esdoheptulose-7-phosphate + 2 PGAL ——–> 2 Ribose-5-phosphate + 2 Xylulose-5-phosphate
2 Ribose-5-phosphate ——–> 2 Ribulose-5-phosphate
4 Xylulose-5-phosphate ——–> 4 Ribulose-5-phosphate (Ribose monophosphate) (RuMP)
6 Ribulose-5-phosphate + 6 ATP ——–> 6 Ribulose-1-5-biphoshphate + 6 ADP

SUM: 6CO₂ + 18ATP + 12H + 11H₂O ——–> Fructose-6-phosphate + 18 ADP + 12 NADP + 17 H₂2PO₄(Pi)