Application | Comment | Organism |
---|---|---|
synthesis | isoquercitrin (quercetin-3-O-beta-D-glucopyranoside) has diverse biological functions, such as anti-oxidant and anticancer activity, but its use is limited by poor solubility and bioavailability. Enzymatically modified isoquercitrin (EMIQ) is a mixture of transglycosylated isoquercitrins that have better solubility and bioavailability than do quercetin and isoquercitrin. Amylosucrase (ASase), has transglycosylation activity to produce EMIQ. Both enzymes produce a variety of EMIQs including isoquercitrin, isoquercitrin-glucoside, isoquercitrin-diglucoside, and isoquercitrin-triglucoside. The enzyme has a higher bioconversion yield from isoquercitrin to EMIQ (97%). The yield of soquercitrin-triglucoside, which is the most bioavailable form is 46%. The enzyme can be used to synthesize EMIQ in a simple and specific process | Deinococcus geothermalis |
Cloned (Comment) | Organism |
---|---|
expression in Escherichia coli | Deinococcus geothermalis |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Deinococcus geothermalis | Q1J0W0 | - |
- |
Deinococcus geothermalis DSM 11300 | Q1J0W0 | - |
- |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
sucrose + isoquercetin | isoquercitrin i.e. quercetin-3-O-beta-D-glucoside | Deinococcus geothermalis | D-fructose + isoquercitrin-glucoside | - |
? | |
sucrose + isoquercetin | isoquercitrin i.e. quercetin-3-O-beta-D-glucoside | Deinococcus geothermalis DSM 11300 | D-fructose + isoquercitrin-glucoside | - |
? | |
sucrose + isoquercitrin-diglucoside | isoquercitrin i.e. quercetin-3-O-beta-D-glucoside | Deinococcus geothermalis | D-fructose + isoquercitrin-triglucoside | - |
? | |
sucrose + isoquercitrin-diglucoside | isoquercitrin i.e. quercetin-3-O-beta-D-glucoside | Deinococcus geothermalis DSM 11300 | D-fructose + isoquercitrin-triglucoside | - |
? | |
sucrose + isoquercitrin-glucoside | isoquercitrin i.e. quercetin-3-O-beta-D-glucoside | Deinococcus geothermalis | D-fructose + isoquercitrin-diglucoside | - |
? | |
sucrose + isoquercitrin-glucoside | isoquercitrin i.e. quercetin-3-O-beta-D-glucoside | Deinococcus geothermalis DSM 11300 | D-fructose + isoquercitrin-diglucoside | - |
? | |
sucrose + quercetin | isoquercitrin i.e. quercetin-3-O-beta-D-glucoside | Deinococcus geothermalis | D-fructose + isoquercitrin | - |
? | |
sucrose + quercetin | isoquercitrin i.e. quercetin-3-O-beta-D-glucoside | Deinococcus geothermalis DSM 11300 | D-fructose + isoquercitrin | - |
? |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
45 | - |
- |
Deinococcus geothermalis |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7 | - |
- |
Deinococcus geothermalis |