Reaction: UDP-α-D-glucose + delphinidin 3,5-di-O-β-D-glucoside = UDP + delphinidin 3,3',5-tri-O-β-D-glucoside
For diagram of reaction click here.
Glossary: delphinidin = 3,3',4',5,5',7-hexahydroxyflavylium
Other name(s): UDP-glucose:anthocyanin 3'-O-glucosyltransferase; 3’GT
Systematic name: UDP-α-D-glucose:delphinidin-3,5-di-O-β-D-glucoside 3'-O-glucosyltransferase
Comments: Isolated from the plant Gentiana triflora (clustered gentian).
Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number: 380231-41-4
References:
1. Fukuchi-Mizutani, M., Okuhara, H., Fukui, Y., Nakao, M., Katsumoto, Y., Yonekura-Sakakibara, K., Kusumi, T., Hase, T. and Tanaka, Y. Biochemical and molecular characterization of a novel UDP-glucose:anthocyanin 3'-O-glucosyltransferase, a key enzyme for blue anthocyanin biosynthesis, from gentian. Plant Physiol. 132 (2003) 1652-1663. [PMID: 12857844]