Maltogenic amylase MAG1 from Bacillus lehensis G1
Enzyme Description
Species
Extremophile
Yes
"alkaliphilic" organism
EC Number
Sequence
MNRAGIIHTQQHHHLYLTSSHEAIIRIQTPKGEGVNVTIIHGDPYDWKDGSWQATQTEMKLLKTDDLYDYWSTSVSMPYSRMRYGFKIKTETETLFYTERGFYTERPAEISAYFCLPYAHDTEVFSPPPWVQNTVWYQIFPERFANGNPSRDPDTTLPWGSEPPKPDTFFGGDLDGVIQHLDYLQQLGITGIYFTPIFEAFSNHKYDTIDYLSIDPHFGDEDTLRTLIQESHKRGIRVMLDAVFNHSGYYFAPFQDVLQHGENSRYKDWFHPFELPLQPDGDRPNYETFAFVSSMPKLNTKHPDVRQYLLKVATYWVEEFDIDGWRLDVANEVDHDFWRSFRNEVKNLKKDVYILGEIWHQSSPWLQGDQFDAVMNYPLTDAIQGYALHQQSSHDAQVALTKHLMSYPASVNAVQFNMLDSHDTARILTTSKENKALVKLQYALLFSFPGSPCIYYGDEIGMAGENDPGCRACMIWDEAKQDKDMLAFLTQLIALRKHHPAFGTYDELFFHQSDDPAVLHYQTSTADETLYFVFNRSLATKSITLPKENQEQWMDLFTEKACSTTFLLEQESFRVLQLKRTS
Nor Hasmaliana Abdul Manas et al. (2014)
β The Characterisation of an Alkali-Stable Maltogenic Amylase from Bacillus lehensis G1 and Improved Malto-Oligosaccharide Production by Hydrolysis Suppression
PLoS ONE
Β· doi:10.1371/journal.pone.0106481 β
Β· Activity + Stability - Product Formation Specificity - Reaction Specificity
▼
Database ID
UniProt: X5CPN2 β
Sequence Annotation
Explicit - Provided GenBank Accession Number
Protein Source
Recombinant, host bacterium Escherichia coli BL21 (DE3)
Experimental Data (18 measurements)
18 measurements
| Property | Assay | Solvent | Solvent Volume | Aqueous Reference | Measured Value | Units | Solution | pH | Temperature | Substrate(s) | Product(s) | Cofactor(s) | Shaking | Comments |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Activity + Stability - Product Formation | Hydrolysis products yield after incubation (6 hours at 40Β°C), measured by HPLC | Ethanol | 20% | 29.09 | 17.05 | hydrolysis product % yield | 50 mM potassium phosphate buffer | 7 | 40Β°C | 0.5% Ξ²-Cyclodextrin | beta-cyclodextrin hydrolysis products , beta-cyclodextrin transglycosylations products | β | β | Classical aqueous control (in hydrolysis product % yield) |
| Activity + Stability - Product Formation | Transglycosylation products yield after incubation (6 hours at 40Β°C), measured by HPLC | Dimethyl Sulfoxide (DMSO) | 20% | 37.78 | 37.28 | transglycosylation product % yield | 50 mM potassium phosphate buffer | 7 | 40Β°C | 0.5% Ξ²-Cyclodextrin | beta-cyclodextrin hydrolysis products , beta-cyclodextrin transglycosylations products | β | β | Classical aqueous control (in transglycosylation product % yield) |
| Activity + Stability - Product Formation | Transglycosylation products yield after incubation (6 hours at 40Β°C), measured by HPLC | Dimethyl Sulfoxide (DMSO) | 10% | 37.78 | 34.38 | transglycosylation product % yield | 50 mM potassium phosphate buffer | 7 | 40Β°C | 0.5% Ξ²-Cyclodextrin | beta-cyclodextrin hydrolysis products , beta-cyclodextrin transglycosylations products | β | β | Classical aqueous control (in transglycosylation product % yield) |
| Activity + Stability - Product Formation | Transglycosylation products yield after incubation (6 hours at 40Β°C), measured by HPLC | Isopropanol | 20% | 37.78 | 3.06 | transglycosylation product % yield | 50 mM potassium phosphate buffer | 7 | 40Β°C | 0.5% Ξ²-Cyclodextrin | beta-cyclodextrin hydrolysis products , beta-cyclodextrin transglycosylations products | β | β | Classical aqueous control (in transglycosylation product % yield) |
| Activity + Stability - Product Formation | Transglycosylation products yield after incubation (6 hours at 40Β°C), measured by HPLC | Isopropanol | 10% | 37.78 | 32.62 | transglycosylation product % yield | 50 mM potassium phosphate buffer | 7 | 40Β°C | 0.5% Ξ²-Cyclodextrin | beta-cyclodextrin hydrolysis products , beta-cyclodextrin transglycosylations products | β | β | Classical aqueous control (in transglycosylation product % yield) |
| Activity + Stability - Product Formation | Transglycosylation products yield after incubation (6 hours at 40Β°C), measured by HPLC | Ethanol | 20% | 37.78 | 36.67 | transglycosylation product % yield | 50 mM potassium phosphate buffer | 7 | 40Β°C | 0.5% Ξ²-Cyclodextrin | beta-cyclodextrin hydrolysis products , beta-cyclodextrin transglycosylations products | β | β | Classical aqueous control (in transglycosylation product % yield) |
| Activity + Stability - Product Formation | Transglycosylation products yield after incubation (6 hours at 40Β°C), measured by HPLC | Ethanol | 10% | 37.78 | 35.05 | transglycosylation product % yield | 50 mM potassium phosphate buffer | 7 | 40Β°C | 0.5% Ξ²-Cyclodextrin | beta-cyclodextrin hydrolysis products , beta-cyclodextrin transglycosylations products | β | β | Classical aqueous control (in transglycosylation product % yield) |
| Activity + Stability - Product Formation | Hydrolysis products yield after incubation (6 hours at 40Β°C), measured by HPLC | Dimethyl Sulfoxide (DMSO) | 20% | 29.09 | 17.31 | hydrolysis product % yield | 50 mM potassium phosphate buffer | 7 | 40Β°C | 0.5% Ξ²-Cyclodextrin | beta-cyclodextrin hydrolysis products , beta-cyclodextrin transglycosylations products | β | β | Classical aqueous control (in hydrolysis product % yield) |
| Activity + Stability - Product Formation | Hydrolysis products yield after incubation (6 hours at 40Β°C), measured by HPLC | Dimethyl Sulfoxide (DMSO) | 10% | 29.09 | 16.28 | hydrolysis product % yield | 50 mM potassium phosphate buffer | 7 | 40Β°C | 0.5% Ξ²-Cyclodextrin | beta-cyclodextrin hydrolysis products , beta-cyclodextrin transglycosylations products | β | β | Classical aqueous control (in hydrolysis product % yield) |
| Activity + Stability - Product Formation | Hydrolysis products yield after incubation (6 hours at 40Β°C), measured by HPLC | Isopropanol | 20% | 29.09 | 2.38 | hydrolysis product % yield | 50 mM potassium phosphate buffer | 7 | 40Β°C | 0.5% Ξ²-Cyclodextrin | beta-cyclodextrin hydrolysis products , beta-cyclodextrin transglycosylations products | β | β | Classical aqueous control (in hydrolysis product % yield) |
| Activity + Stability - Product Formation | Hydrolysis products yield after incubation (6 hours at 40Β°C), measured by HPLC | Isopropanol | 10% | 29.09 | 17.57 | hydrolysis product % yield | 50 mM potassium phosphate buffer | 7 | 40Β°C | 0.5% Ξ²-Cyclodextrin | beta-cyclodextrin hydrolysis products , beta-cyclodextrin transglycosylations products | β | β | Classical aqueous control (in hydrolysis product % yield) |
| Activity + Stability - Product Formation | Hydrolysis products yield after incubation (6 hours at 40Β°C), measured by HPLC | Ethanol | 10% | 29.09 | 22.45 | hydrolysis product % yield | 50 mM potassium phosphate buffer | 7 | 40Β°C | 0.5% Ξ²-Cyclodextrin | beta-cyclodextrin hydrolysis products , beta-cyclodextrin transglycosylations products | β | β | Classical aqueous control (in hydrolysis product % yield) |
| Specificity - Reaction Specificity | Ratio of transglycosylation-to-hydrolysis after incubation (6 hours at 40Β°C), measured by HPLC | Ethanol | 10% | 1.29 | 1.56 | ratio transglycosylation/hydrolysis products | 50 mM potassium phosphate buffer | 7 | 40Β°C | 0.5% Ξ²-Cyclodextrin | beta-cyclodextrin hydrolysis products , beta-cyclodextrin transglycosylations products | β | β | Classical aqueous control (in ratio transglycosylation/hydrolysis products) |
| Specificity - Reaction Specificity | Ratio of transglycosylation-to-hydrolysis after incubation (6 hours at 40Β°C), measured by HPLC | Ethanol | 20% | 1.29 | 2.15 | ratio transglycosylation/hydrolysis products | 50 mM potassium phosphate buffer | 7 | 40Β°C | 0.5% Ξ²-Cyclodextrin | beta-cyclodextrin hydrolysis products , beta-cyclodextrin transglycosylations products | β | β | Classical aqueous control (in ratio transglycosylation/hydrolysis products) |
| Specificity - Reaction Specificity | Ratio of transglycosylation-to-hydrolysis after incubation (6 hours at 40Β°C), measured by HPLC | Isopropanol | 10% | 1.29 | 1.86 | ratio transglycosylation/hydrolysis products | 50 mM potassium phosphate buffer | 7 | 40Β°C | 0.5% Ξ²-Cyclodextrin | beta-cyclodextrin hydrolysis products , beta-cyclodextrin transglycosylations products | β | β | Classical aqueous control (in ratio transglycosylation/hydrolysis products) |
| Specificity - Reaction Specificity | Ratio of transglycosylation-to-hydrolysis after incubation (6 hours at 40Β°C), measured by HPLC | Isopropanol | 20% | 1.29 | 1.29 | ratio transglycosylation/hydrolysis products | 50 mM potassium phosphate buffer | 7 | 40Β°C | 0.5% Ξ²-Cyclodextrin | beta-cyclodextrin hydrolysis products , beta-cyclodextrin transglycosylations products | β | β | Classical aqueous control (in ratio transglycosylation/hydrolysis products) |
| Specificity - Reaction Specificity | Ratio of transglycosylation-to-hydrolysis after incubation (6 hours at 40Β°C), measured by HPLC | Dimethyl Sulfoxide (DMSO) | 10% | 1.29 | 2.11 | ratio transglycosylation/hydrolysis products | 50 mM potassium phosphate buffer | 7 | 40Β°C | 0.5% Ξ²-Cyclodextrin | beta-cyclodextrin hydrolysis products , beta-cyclodextrin transglycosylations products | β | β | Classical aqueous control (in ratio transglycosylation/hydrolysis products) |
| Specificity - Reaction Specificity | Ratio of transglycosylation-to-hydrolysis after incubation (6 hours at 40Β°C), measured by HPLC | Dimethyl Sulfoxide (DMSO) | 20% | 1.29 | 2.15 | ratio transglycosylation/hydrolysis products | 50 mM potassium phosphate buffer | 7 | 40Β°C | 0.5% Ξ²-Cyclodextrin | beta-cyclodextrin hydrolysis products , beta-cyclodextrin transglycosylations products | β | β | Classical aqueous control (in ratio transglycosylation/hydrolysis products) |
Visualization : Activity + Stability β Product Formation
One bar per measurement. Colour = solvent, shade = solvent volume.
Visualization : Specificity β Reaction Specificity
One bar per measurement. Colour = solvent, shade = solvent volume.