IUBMB Enzyme Nomenclature


Accepted name: soyasaponin III rhamnosyltransferase

Reaction: UDP-β-L-rhamnose + soyasaponin III = UDP + soyasaponin I

For diagram of reaction click here.

Glossary: UDP-β-L-rhamnose = UDP-6-deoxy-β-L-mannose

Other name(s): UGT91H4; GmSGT3 (gene name); UDP-rhamnose:soyasaponin III rhamnosyltransferase

Systematic name: UDP-β-L-rhamnose:soyasaponin III rhamnosyltransferase

Comments: Part of the biosynthetic pathway for soyasaponins.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number:


1. Shibuya, M., Nishimura, K., Yasuyama, N. and Ebizuka, Y. Identification and characterization of glycosyltransferases involved in the biosynthesis of soyasaponin I in Glycine max. FEBS Lett. 584 (2010) 2258-2264. [PMID: 20350545]

[EC created 2011]

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