The Enzyme Database

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Accepted name: anthocyanidin 3-O-glucoside 2′′-O-glucosyltransferase
Reaction: UDP-α-D-glucose + an anthocyanidin 3-O-β-D-glucoside = UDP + an anthocyanidin 3-O-sophoroside
For diagram of anthocyanidin glycoside biosynthesis, click here
Glossary: anthocyanidin 3-O-sophoroside = anthocyanidin 3-O-(β-D-glucosyl(1→2)-β-D-glucoside)
Other name(s): 3GGT
Systematic name: UDP-α-D-glucose:anthocyanidin-3-O-glucoside 2′′-O-glucosyltransferase
Comments: Isolated from Ipomoea nil (Japanese morning glory).
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Morita, Y., Hoshino, A., Kikuchi, Y., Okuhara, H., Ono, E., Tanaka, Y., Fukui, Y., Saito, N., Nitasaka, E., Noguchi, H. and Iida, S. Japanese morning glory dusky mutants displaying reddish-brown or purplish-gray flowers are deficient in a novel glycosylation enzyme for anthocyanin biosynthesis, UDP-glucose:anthocyanidin 3-O-glucoside-2′′-O-glucosyltransferase, due to 4-bp insertions in the gene. Plant J. 42 (2005) 353–363. [DOI] [PMID: 15842621]
[EC created 2013]

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