Ligand soyasapogenol B
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Basic Ligand Information
C30H50O3
soyasapogenol B
YOQAQNKGFOLRGT-UXXABWCISA-N
Related pathways
MetaCyc
saponin biosynthesis IV, soybean saponin I biosynthesis
Roles as Enzyme Ligand
Substrate in Enzyme-catalyzed Reactions (4 results)
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UDP-alpha-D-glucuronate + soyasapogenol B = UDP + soyasapogenol B-3-O-monoglucuronide
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UDP-D-glucuronate + soyasapogenol B = UDP + soyasapogenol B 3-O-D-glucuronide
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UDP-galactose + soyasapogenol B = ?
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UDP-glucose + soyasapogenol B = ?
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Product in Enzyme-catalyzed Reactions (1 result)
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sophoradiol + [reduced NADPH-hemoprotein reductase] + O2 = soyasapogenol B + [oxidized NADPH-hemoprotein reductase] + H2O
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Enzyme Kinetic Parameters
KM Value (1 result)
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0.01722
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in 100 mM Tris-HCl (pH 8.0), at 40°C
References & Links
Literature References (3)
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Up-regulation of soyasaponin biosynthesis by methyl jasmonate in cultured cells of Glycyrrhiza glabra
2003
Hayashi, H.; Huang, P.; Inoue, K.
Plant Cell Physiol.
44
404-411
UDP-glucuronic acid:soyasapogenol glucuronosyltransferase involved in saponin biosynthesis in germinating soybean seeds
2002
Kurosawa, Y.; Takahara, H.; Shiraiwa, M.
Planta
215
620-629
A cellulose synthase-derived enzyme catalyses 3-O-glucuronosylation in saponin biosynthesis
2020
Chung, S.Y.; Seki, H.; Fujisawa, Y.; Shimoda, Y.; Hiraga, S.; Nomura, Y.; Saito, K.; Ishimoto, M.; Muranaka, T.
Nat. Commun.
11
5664
Links to other databases for soyasapogenol B