Inhibitors | Comment | Organism | Structure |
---|---|---|---|
D-glucose | shows high product inhibition in lactosucrose formation, D-glucose is therefor eliminated from the reaction system of lactosucrose production by glucose oxidase | Zymomonas mobilis |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
sucrose + lactose | Zymomonas mobilis | levansucrase transfers the fructosyl moiety of sucrose to lactose to form lactosucrose | D-glucose + O-beta-D-galactopyranosyl-(1,4)-O-beta-D-glucopyranosyl-(1,2)-beta-D-fructofuranoside | i.e. lactosucrose or 4G-beta-D-galactosylsucrose | ? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Zymomonas mobilis | - |
gene levU | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
sucrose + lactose | levansucrase transfers the fructosyl moiety of sucrose to lactose to form lactosucrose | Zymomonas mobilis | D-glucose + O-beta-D-galactopyranosyl-(1,4)-O-beta-D-glucopyranosyl-(1,2)-beta-D-fructofuranoside | i.e. lactosucrose or 4G-beta-D-galactosylsucrose | ? | |
sucrose + lactose | levansucrase transfers the fructosyl moiety of sucrose to lactose to form lactosucrose, optimization of reaction conditions, 28.5% conversion in absence and 43.2% in presence of glucose oxidase, which eliminates the inhibitory D-glucose reaction product, overview | Zymomonas mobilis | D-glucose + O-beta-D-galactopyranosyl-(1,4)-O-beta-D-glucopyranosyl-(1,2)-beta-D-fructofuranoside | i.e. lactosucrose or 4G-beta-D-galactosylsucrose, product identification and quantification by NMR spectroscopy | ? |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
23 | - |
- |
Zymomonas mobilis |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7 | - |
- |
Zymomonas mobilis |
pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|
additional information | - |
levansucrase is highly unstable at alkaline pH | Zymomonas mobilis |