5-O-beta-D-mycaminosyltylactone + dTDP + H(+) => tylactone + dTDP-alpha-D-mycaminose
5-o-beta-d-mycaminosyltylactone + dtdp + h(+) => tylactone + dtdp-alpha-d-mycaminose
5-O-beta-D-mycaminosyltylactone + dTDP + H(+) => tylactone + dTDP-alpha-D-mycaminose
5-o-beta-d-mycaminosyltylactone + dtdp + h(+) => tylactone + dtdp-alpha-d-mycaminose