ID 2.4.1.29 DE cellulose synthase (GDP-forming). AN GDP-glucose-beta-D-glucan glucosyltransferase. AN GDP-glucose-cellulose glucosyltransferase. CA [(1->4)-beta-D-glucosyl](n) + GDP-alpha-D-glucose = [(1->4)-beta-D- CA glucosyl](n+1) + GDP + H(+). CC -!- Involved in the synthesis of cellulose. CC -!- A similar enzyme utilizes UDP-alpha-D-glucose (cf. EC 2.4.1.12). //