3.2.1.193: ginsenosidase type I

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For detailed information about ginsenosidase type I, go to the full flat file.

Reaction

Synonyms

beta-glucosidase, BG-1, Bgl, BglPm, bgy2, ginsenosidase type I, ginsenosidase type-I, ginsenoside Rc-hydrolyzing beta-glucosidase, ginsenoside-hydrolyzing beta-glucosidase, LVISKB_0241, More

ECTree

     3 Hydrolases

         3.2 Glycosylases

             3.2.1 Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds

                3.2.1.193 ginsenosidase type I

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Results	in table
1	AA Sequence
4	Application
3	Cloned(Commentary)
12	General Information
2	Inhibitors
6	KM Value [mM]
2	Metals/Ions
1	Molecular Weight [Da]
122	Natural Substrates/ Products (Substrates)
48	Organism
2	Pathway
13	pH Optimum
2	pH Range
1	pH Stability
8	Protein Variants
4	Purification (Commentary)
5	Reaction
45	Reference
10	Source Tissue
5	Specific Activity [micromol/min/mg]
167	Substrates and Products (Substrate)
16	Subunits
63	Synonyms
1	Systematic Name
15	Temperature Optimum [°C]
2	Temperature Range [°C]
4	Temperature Stability [°C]

Systematic Name

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Systematic Name on EC 3.2.1.193 - ginsenosidase type I

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SYSTEMATIC NAME

IUBMB Comments

ginsenoside glucohydrolase

Ginsenosidase type I is slightly activated by Mg2+ or Ca2+ [1]. The enzyme hydrolyses the 3-O-beta-D-(1->2)-glucosidic bond, the 3-O-beta-D-glucopyranosyl bond and the 20-O-beta-D-(1->6)-glycosidic bond of protopanaxadiol-type ginsenosides. It usually leaves a single glucosyl residue attached at position 20 and one or no glucosyl residues at position 3. Starting with a ginsenoside that is glycosylated at both positions (e.g. ginsenoside Rb1, Rb2, Rb3, Rc or Rd), the most common products are ginsenoside F2 and ginsenoside C-K, with low amounts of ginsenoside Rh2.