17alpha-sitoindoside IX + UDP + H(+) => 17alpha-hydroxywithaferin A + UDP-alpha-D-glucose
17alpha-sitoindoside ix + udp + h(+) => 17alpha-hydroxywithaferin a + udp-alpha-d-glucose
17alpha-sitoindoside IX + UDP + H(+) => 17alpha-hydroxywithaferin A + UDP-alpha-D-glucose
17alpha-sitoindoside ix + udp + h(+) => 17alpha-hydroxywithaferin a + udp-alpha-d-glucose