20-O-multi-glycoside ginsenosidase EC#: 3.2.1.195; ChemWhat Code: 1380121
| Product Name | 20-O-multi-glycoside ginsenosidase |
| Example Structure |  |
| Synonyms | ginsenosidase type II, Theth_1120 |
| EC Number | 3.2.1.195 |
| CAS Registry Number | |
| Comments | The 20-O-multi-glycoside ginsenosidase catalyses the hydrolysis of the 20-O-¦Á-(1¡ú6)-glycosidic bond and the 20-O-¦Â-(1¡ú6)-glycosidic bond of protopanaxadiol-type ginsenosides. The enzyme usually leaves a single glucosyl residue attached at position 20, although it can cleave the remaining glucosyl residue with a lower efficiency. Starting with a ginsenoside that is glycosylated at positions 3 and 20, such as ginsenosides Rb1, Rb2, Rb3 and Rc, the most common product is ginsenoside Rd, with a low amount of ginsenoside Rg3 also formed. |
| Cofactor | |
| History | |
| Reactions | A protopanaxadiol-type ginsenoside with two glycosyl residues at position 20 + H(2)O = a protopanaxadiol-type ginsenoside with a single glucosyl residue at position 20 + a monosaccharide. |
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