ID 2.4.1.193 DE sarsapogenin 3beta-glucosyltransferase. CA (25S)-5beta-spirostan-3beta-ol + UDP-alpha-D-glucose = (25S)-5beta- CA spirostan-3beta-yl beta-D-glucoside + H(+) + UDP. CC -!- Specific to 5beta-spirostanols. CC -!- Involved in the biosynthesis of plant saponins. CC -!- Not identical with EC 2.4.1.173 or EC 2.4.1.192. //