beta-D-fructose 6-phosphate + UDP-alpha-D-glucose = sucrose 6(F)-phosphate + UDP + H(+)
beta-d-fructose 6-phosphate + udp-alpha-d-glucose = sucrose 6(f)-phosphate + udp + h(+)
"sucrosephosphate--UDP glucosyltransferase"
"sucrosephosphate--udp glucosyltransferase"