Reaction catalyzed by nigerose phosphorylase (2.4.1.279)

+

=

+

+

beta-D-glucose 1-phosphate

+

methyl alpha-D-glucoside

=

methyl-3-O-alpha-D-glucopyranosyl-alpha-D-glucopyranoside

+

methyl-2-O-alpha-D-glucopyranosyl-alpha-D-glucopyranoside

+

phosphate