HIMP途径 3NADP 3NADPH+3H 3NADP' 3NADPH+3H' 3 glucose-6-P 3 6-phosphogluconate 3 nibulose-5-P) The transketolase reaction 3HO 3c0 0= H CH,OH CH,OH =0 0 H 9=0 -OH HO-C-H 0se-5-⊙ HO-C-H H-9 -OH + H-C-OH H-C-OH H-C-OH H- C-OH CH,o⊙ CHO P) CHO P) H-C-OH Glyceraldehyde 3-phosphate Xylulose Ribose CHO P) 5-phosphate 5-phosphate Glyceraldehyde-3-P) Sedoheptulose-7-P) Sedoheptulose 7-phosphate The transaldolase reaction Transaldolase CH,OH CHOH f=o H 9=o H Fructose-6-(P) Erythros 4-P) 5-(@ HO-C-H =0 0= H-C-OH H-C-OH→H-9-OH H-C-OH H-C-OH CH,O(P) H-C-OH H-C-OH Glyceraldehyde cHo⊙ CH,O P Fructose-6-(P) H-9-o州 3-phosphate CH.O(P) Fructose Erythrose 6-phosphate 4-phosphate Sedoheptulose 7-phosphate Fructose-6-P) Fructose-1,6-bis⊙ HMP途径