Reaction catalyzed by DELTA7-sterol 5(6)-desaturase (1.14.19.20) show all sequences for 1.14.19.20
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=
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ferricyctochrome b5
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H2O
episterol
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ferrocytochrome b5
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O2
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H+
=
ergosta-5,7,24(28)-trien-3beta-ol
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ferricyctochrome b5
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H2O