1.3.1.71 ergosta-5,7,22,24(241)-tetraen-3beta-ol + NADPH + H+ - 1.3.1.71 ergosta-5,7,22,24(28)-tetraen-3beta-ol + NADPH step in the biosynthesis of ergosta-5,22-dien-3bta-ol, i.e. brassicasterol, the major sterol compound in Paracoccidioides brasiliensis 1.3.1.71 ergosta-5,7,22,24(28)-tetraen-3beta-ol + NADPH terminal step in ergosterol biosynthesis, pathway overview, presursor analysis 1.3.1.71 additional information enzyme-deficient mutants accumulate ergosta-5,7,22,24(24 1)-tetraen-3beta-ol, ergosta-5,7,24(28)-trien-3beta-ol, ergosta-7,24(28)-dien-3beta-ol, stigmasta-5,7,22,24(28)-tetraenol, stigmasta-5,7,24(28)-trienol, stigmasta-8,24(28)-dienol, and stigmasta-7,24(28)-dienol, while ergosterol and 7-dehydroporiferasterol are absent, in contrary to the wild-type strain, overview 1.3.1.71 additional information sterol composition with or without addition of azasterol analogue inhibitors, overview