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ergosterol biosynthesis I

State Icon Reaction EC-Number Confidence maximal confidence score from EnzymeDetector
fecosterol <=> episterol not assigned

S-adenosyl-L-methionine + Zymosterol <=> H+ + S-adenosyl-L-homocysteine + fecosterol 2.1.1.142 cycloartenol 24-C-methyltransferase
2.1.1.143 24-methylenesterol C-methyltransferase
2.1.1.41 sterol 24-C-methyltransferase



5-dehydroepisterol + O2 + reduced_[NADPH-hemoprotein_reductase] <=> ergosta-5,7,22,24(28)-tetraen-3beta-ol + H2O + oxidized_[NADPH-hemoprotein_reductase] 1.14.19.41 sterol 22-desaturase

episterol + O2 + ferricytochrome_b5 + H+ <=> 5-dehydroepisterol + H2O + ferricytochrome_b5 1.14.19.20 Delta7-sterol 5(6)-desaturase

ergosterol + NADP+ <=> ergosta-5,7,22,24(28)-tetraen-3beta-ol + NADPH + H+ 1.3.1.71 Delta24(241)-sterol reductase
1.3.1.72 Delta24-sterol reductase


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