IUBMB Enzyme Nomenclature


Accepted name: raffinose—raffinose α-galactosyltransferase

Reaction: 2 raffinose = 1F-α-D-galactosylraffinose + sucrose

Glossary: raffinose = β-D-fructofuranosyl α-D-galactopyranosyl-(1→6)-α-D-glucopyranoside

Other name(s): raffinose (raffinose donor) galactosyltransferase; raffinose:raffinose α-galactosyltransferase; raffinose—raffinose α-galactotransferase

Systematic name: raffinose:raffinose α-D-galactosyltransferase

Comments: The 3F position of raffinose can also act as galactosyl acceptor; the enzyme is involved in the accumulation of the tetrasaccharides lychnose and isolychnose in the leaves of Cerastium arvense and other plants of the family Caryophyllaceae during late autumn.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number: 93389-38-9


1. Hopf, H., Gruber, G., Zinn, A. and Kandler, O. Physiology and biosynthesis of lychnose in Cerastium arvense. Planta 162 (1984) 283-288.

[EC created 1989]

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