3,4-dihydroxybenzoate + UDP-alpha-D-glucose => 1-O-(3,4-dihydroxy-benzoyl)-beta-D-glucose + UDP
3,4-dihydroxybenzoate + udp-alpha-d-glucose => 1-o-(3,4-dihydroxy-benzoyl)-beta-d-glucose + udp
3,4-dihydroxybenzoate + UDP-alpha-D-glucose => 1-O-(3,4-dihydroxy-benzoyl)-beta-D-glucose + UDP
3,4-dihydroxybenzoate + udp-alpha-d-glucose => 1-o-(3,4-dihydroxy-benzoyl)-beta-d-glucose + udp