soyasaponin III + UDP-beta-L-rhamnose = soyasaponin I + UDP + H(+)
soyasaponin iii + udp-beta-l-rhamnose = soyasaponin i + udp + h(+)
"soyasaponin III rhamnosyltransferase"
"soyasaponin iii rhamnosyltransferase"