[(1->3)-beta-D-glucosyl](n) + UDP-alpha-D-glucose = [(1->3)-beta-D-glucosyl](n+1) + UDP + H(+)
[(1->3)-beta-d-glucosyl](n) + udp-alpha-d-glucose = [(1->3)-beta-d-glucosyl](n+1) + udp + h(+)
"UDP-glucose--3-beta-D-glucan glucosyltransferase"
"udp-glucose--3-beta-d-glucan glucosyltransferase"