| UPA00768 | ergosterol biosynthesis~Biosynthesis of ergosterol (ergosta-5,7,22-trien-3beta-ol) from zymosterol. Ergosterol is a sterol precursor to Vitamin D2 compounds. | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UER00761 | ergosterol from zymosterol: step 2/5~1 fecosterol => 1 episterol. | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UER00760 | ergosterol from zymosterol: step 1/5~1 S-adenosyl-L-methionine + 1 zymosterol => 1 S-adenosyl-L-homocysteine + 1 fecosterol. | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | ULS00374 | ergosterol from zymosterol | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UER00764 | ergosterol from zymosterol: step 5/5~1 H(+) + 1 NADPH + 1 ergosta-5,7,22,24(28)-tetraen-3beta-ol => 1 NADP(+) + 1 ergosterol. | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UER00762 | ergosterol from zymosterol: step 3/5~1 NADP(+) + 1 episterol => 1 5,7,24(28)-ergostatrienol + 1 H(+) + 1 NADPH. | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UER00763 | ergosterol from zymosterol: step 4/5~1 5,7,24(28)-ergostatrienol + 1 NADP(+) => 1 H(+) + 1 NADPH + 1 ergosta-5,7,22,24(28)-tetraen-3beta-ol. | None - {{∅}} | None - {{∅}} | Unexplained |  |