ID 2.4.1.209 DE cis-p-coumarate glucosyltransferase. CA cis-4-coumarate + UDP-alpha-D-glucose = 4'-O-beta-D-glucosyl-cis-4- CA coumarate + H(+) + UDP. CC -!- cis-Caffeic acid also serves as a glucosyl acceptor with the enzyme CC from Sphagnum fallax kinggr. CC -!- The corresponding trans-isomers are not substrates. //