Ξ±-amylase from Catenovulum sp. X3
Enzyme Description
Species
Extremophile
No
but " cold-adaptive", "organic solvent-tolerant" and "alkaline" enzyme
EC Number
Sequence
MNKKLTQVIKGVLAATVLSTTYSNTASADVMLHAFNWQYDSVTERADEIAALGYKSVLVSPPYLSNPNSSWWARYQPLDYRILLGPLGNKQDFIDMVNALEARGVNLYVDVIFNHMANMGMAKGQEQYPGFNVNTPEYNANKLYGDLSGGLFGPGDFHDGANAKCISNWGDWFDSTWNRLCGTAPDIGLPDLRGEATDGSGGWIRQNQIAYLEALKALGVDGFRIDAVKHMKWEHLNWVFNSDVLDGIHVFSEIISHSGADDSTYLQPYLDNTDVRMGAYDFRLFNEIDHAMDVNGSLSSLAQPNTLPNDRAVTFVITHDMPQNDGFNSFLFSEEDEKLAYAYILGRDGGVPLVYTDNNETPKFNSRWVDAYKNGDIASMITFHNSVQGTPMQVLSADGCSIYFRRGESGLVGINKCGNAVTKTLNTTGLNIGTYTDQLTGSTLNISGASQGVTIPARSARMWLGGGTPPPPAVWYFSGTANTWGADQMTQEGSVFTITKAFGTGDANGGPRFKVRDSNTNWNNNCPTADFAVEANKTYKITFDPAVANCAGLSVQEEVIIQPGGSCPITFSCANGNTNMGDSVYVVGSATEIGSWNAADAVKLNPTNYPTWEGTINIPKNTQVSWKCIIRQEGSPFTVRQWEQDPNNNFNTGNCDVTQAQGSF
Yi-Rui Wu et al. (2017)
β Catalytic hydrolysis of starch for biohydrogen production by using a newly identified amylase from a marine bacterium Catenovulum sp. X3
International Journal of Biological Macromolecules
Β· doi:10.1016/j.ijbiomac.2017.06.084 β
Β· Stability - Incubation
▼
Database ID
UniProt: A0A218MJE6 β
Sequence Annotation
Explicit - Provided GenBank Accession Number
Protein Source
Recombinant, host bacterium Escherichia coli BL21 (DE3)
Experimental Data (14 measurements)
14 measurements
| Property | Assay | Solvent | Solvent Volume | Aqueous Reference | Measured Value | Units | Solution | pH | Temperature | Substrate(s) | Product(s) | Cofactor(s) | Shaking | Comments |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stability - Incubation | Activity after incubation (2 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase | Dimethyl Sulfoxide (DMSO) | 20% | 100.0 | 123.0 | % | Incubation: ?, Assay: 50 mM Tris-HCl buffer | Incubation: ?, Assay: 7.9 | Incubation: 25Β°C, Assay: 35Β°C | 0.1% (w/v) Starch | Reducing sugars | β | Incubation: 150 rpm | Non-incubated control (in %), assay in aqueous phase | Uncertainty about control |
| Stability - Incubation | Activity after incubation (2 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase | Dimethyl Sulfoxide (DMSO) | 50% | 100.0 | 85.7 | % | Incubation: ?, Assay: 50 mM Tris-HCl buffer | Incubation: ?, Assay: 7.9 | Incubation: 25Β°C, Assay: 35Β°C | 0.1% (w/v) Starch | Reducing sugars | β | Incubation: 150 rpm | Non-incubated control (in %), assay in aqueous phase | Uncertainty about control |
| Stability - Incubation | Activity after incubation (2 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase | Methanol | 20% | 100.0 | 124.3 | % | Incubation: ?, Assay: 50 mM Tris-HCl buffer | Incubation: ?, Assay: 7.9 | Incubation: 25Β°C, Assay: 35Β°C | 0.1% (w/v) Starch | Reducing sugars | β | Incubation: 150 rpm | Non-incubated control (in %), assay in aqueous phase | Uncertainty about control |
| Stability - Incubation | Activity after incubation (2 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase | Methanol | 50% | 100.0 | 102.0 | % | Incubation: ?, Assay: 50 mM Tris-HCl buffer | Incubation: ?, Assay: 7.9 | Incubation: 25Β°C, Assay: 35Β°C | 0.1% (w/v) Starch | Reducing sugars | β | Incubation: 150 rpm | Non-incubated control (in %), assay in aqueous phase | Uncertainty about control |
| Stability - Incubation | Activity after incubation (2 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase | Acetone | 20% | 100.0 | 136.9 | % | Incubation: ?, Assay: 50 mM Tris-HCl buffer | Incubation: ?, Assay: 7.9 | Incubation: 25Β°C, Assay: 35Β°C | 0.1% (w/v) Starch | Reducing sugars | β | Incubation: 150 rpm | Non-incubated control (in %), assay in aqueous phase | Uncertainty about control |
| Stability - Incubation | Activity after incubation (2 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase | Acetone | 50% | 100.0 | 106.7 | % | Incubation: ?, Assay: 50 mM Tris-HCl buffer | Incubation: ?, Assay: 7.9 | Incubation: 25Β°C, Assay: 35Β°C | 0.1% (w/v) Starch | Reducing sugars | β | Incubation: 150 rpm | Non-incubated control (in %), assay in aqueous phase | Uncertainty about control |
| Stability - Incubation | Activity after incubation (2 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase | Chloroform | 20% | 100.0 | 141.5 | % | Incubation: ?, Assay: 50 mM Tris-HCl buffer | Incubation: ?, Assay: 7.9 | Incubation: 25Β°C, Assay: 35Β°C | 0.1% (w/v) Starch | Reducing sugars | β | Incubation: 150 rpm | Non-incubated control (in %), assay in aqueous phase | Uncertainty about control |
| Stability - Incubation | Activity after incubation (2 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase | Chloroform | 50% | 100.0 | 136.5 | % | Incubation: ?, Assay: 50 mM Tris-HCl buffer | Incubation: ?, Assay: 7.9 | Incubation: 25Β°C, Assay: 35Β°C | 0.1% (w/v) Starch | Reducing sugars | β | Incubation: 150 rpm | Non-incubated control (in %), assay in aqueous phase | Uncertainty about control |
| Stability - Incubation | Activity after incubation (2 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase | Benzene | 20% | 100.0 | 131.9 | % | Incubation: ?, Assay: 50 mM Tris-HCl buffer | Incubation: ?, Assay: 7.9 | Incubation: 25Β°C, Assay: 35Β°C | 0.1% (w/v) Starch | Reducing sugars | β | Incubation: 150 rpm | Non-incubated control (in %), assay in aqueous phase | Uncertainty about control |
| Stability - Incubation | Activity after incubation (2 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase | Benzene | 50% | 100.0 | 131.9 | % | Incubation: ?, Assay: 50 mM Tris-HCl buffer | Incubation: ?, Assay: 7.9 | Incubation: 25Β°C, Assay: 35Β°C | 0.1% (w/v) Starch | Reducing sugars | β | Incubation: 150 rpm | Non-incubated control (in %), assay in aqueous phase | Uncertainty about control |
| Stability - Incubation | Activity after incubation (2 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase | n-Hexane | 20% | 100.0 | 155.4 | % | Incubation: ?, Assay: 50 mM Tris-HCl buffer | Incubation: ?, Assay: 7.9 | Incubation: 25Β°C, Assay: 35Β°C | 0.1% (w/v) Starch | Reducing sugars | β | Incubation: 150 rpm | Non-incubated control (in %), assay in aqueous phase | Uncertainty about control |
| Stability - Incubation | Activity after incubation (2 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase | n-Hexane | 50% | 100.0 | 144.5 | % | Incubation: ?, Assay: 50 mM Tris-HCl buffer | Incubation: ?, Assay: 7.9 | Incubation: 25Β°C, Assay: 35Β°C | 0.1% (w/v) Starch | Reducing sugars | β | Incubation: 150 rpm | Non-incubated control (in %), assay in aqueous phase | Uncertainty about control |
| Stability - Incubation | Activity after incubation (2 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase | Ethyl Acetate | 20% | 100.0 | 107.1 | % | Incubation: ?, Assay: 50 mM Tris-HCl buffer | Incubation: ?, Assay: 7.9 | Incubation: 25Β°C, Assay: 35Β°C | 0.1% (w/v) Starch | Reducing sugars | β | Incubation: 150 rpm | Non-incubated control (in %), assay in aqueous phase | Uncertainty about control |
| Stability - Incubation | Activity after incubation (2 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase | Ethyl Acetate | 50% | 100.0 | 95.7 | % | Incubation: ?, Assay: 50 mM Tris-HCl buffer | Incubation: ?, Assay: 7.9 | Incubation: 25Β°C, Assay: 35Β°C | 0.1% (w/v) Starch | Reducing sugars | β | Incubation: 150 rpm | Non-incubated control (in %), assay in aqueous phase | Uncertainty about control |
Visualization : Stability β Incubation
One bar per measurement. Colour = solvent, shade = solvent volume.