Serine protease from Natrialba magadii
Enzyme Description
Species
Extremophile
Yes
"haloalkaliphilic" organism
EC Number
Sequence
MTRDTNSNVGRRSVLKAASALGAFLGLGGVASATPGREPGPKKDEIIVGVSERVSSTEATVESKIPTNAEIVHTNETLGYVAVKFPSNAAEQARENFKRNVLQEDDIEYAEDNATYETLEVPNDPMYGQQYAPQQVNCEGAWAETYGDDDVVISVVDQGIQYDHENLAENMDGSVSDYGYDFVDDDGDPYPVSAGENHGTHVGGIAAGGTNNDTGHAGISNCSMLSARALGDGGGGSLSDIADAIQWSADQGADIINMSLGGGGFSETLDNACQYAYDEGTLLVAAAGNDHGGSVSYPAAYDSVMAVSSLDEGETLSSFSNVGPEIELAAPGGNVLSAVNWDDYDSLSGTSMASPVAAGVAGLALSAHPGLSNDELRDHLHDTAVDIGLSDDEQGYGRVDAELAVTTDPDNGDDDDDDDDDEDDPGDGECGDETNTATADGELSGGWGGNPSDTYSYELSTDNPCHATVTLDGPSSGATFDLFLTLDGRTPTTSDYDRRSYNWGADEEIEVDLDGDEELGILVDRYDGSGSYTLTIEELGS
Diego M. Ruiz et al. (2006)
β Effect of organic solvents on the activity and stability of an extracellular protease secreted by the haloalkaliphilic archaeon Natrialba magadii
Journal of Industrial Microbiology and Biotechnology
Β· doi:10.1007/s10295-006-0174-4 β
Β· Activity - Classical Stability - Incubation
▼
Database ID
UniProt: Q5RLZ1 β
Sequence Annotation
Inferred - from protein name
Protein Source
Purified, archaeon Natrialba magadii
Experimental Data (52 measurements)
52 measurements β page 2 of 3
| Property | Assay | Solvent | Solvent Volume | Aqueous Reference | Measured Value | Units | Solution | pH | Temperature | Substrate(s) | Product(s) | Cofactor(s) | Shaking | Comments |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Activity - Classical | Activity measured by absorbance spectrophotometry (colorimetric assay, Azo-peptides absorbance measurement, 335 nm) in the presence of organic solvent | Acetonitrile | 15% | 100 | 8 | % | 50 mM Tris-HCl, 1.5M NaCl | 8 | 45Β°C | 0.5% (w/v) Azocasein | Azo-peptides , Peptides | β | β | Classical aqueous control (in %) |
| Activity - Classical | Activity measured by absorbance spectrophotometry (colorimetric assay, Azo-peptides absorbance measurement, 335 nm) in the presence of organic solvent | Ethanol | 15% | 100 | 6 | % | 50 mM Tris-HCl, 1.5M NaCl | 8 | 45Β°C | 0.5% (w/v) Azocasein | Azo-peptides , Peptides | β | β | Classical aqueous control (in %) |
| Activity - Classical | Activity measured by absorbance spectrophotometry (colorimetric assay, Azo-peptides absorbance measurement, 335 nm) in the presence of organic solvent | Isopropanol | 15% | 100 | 2 | % | 50 mM Tris-HCl, 1.5M NaCl | 8 | 45Β°C | 0.5% (w/v) Azocasein | Azo-peptides , Peptides | β | β | Classical aqueous control (in %) |
| Activity - Classical | Activity measured by absorbance spectrophotometry (colorimetric assay, Azo-peptides absorbance measurement, 335 nm) in the presence of organic solvent | Glycerol | 30% | 100 | 54 | % | 50 mM Tris-HCl, 1.5M NaCl | 8 | 45Β°C | 0.5% (w/v) Azocasein | Azo-peptides , Peptides | β | β | Classical aqueous control (in %) |
| Activity - Classical | Activity measured by absorbance spectrophotometry (colorimetric assay, Azo-peptides absorbance measurement, 335 nm) in the presence of organic solvent | Dimethyl Sulfoxide (DMSO) | 30% | 100 | 48 | % | 50 mM Tris-HCl, 1.5M NaCl | 8 | 45Β°C | 0.5% (w/v) Azocasein | Azo-peptides , Peptides | β | β | Classical aqueous control (in %) |
| Activity - Classical | Activity measured by absorbance spectrophotometry (colorimetric assay, Azo-peptides absorbance measurement, 335 nm) in the presence of organic solvent | Dimethylformamide (DMF) | 30% | 100 | 22 | % | 50 mM Tris-HCl, 1.5M NaCl | 8 | 45Β°C | 0.5% (w/v) Azocasein | Azo-peptides , Peptides | β | β | Classical aqueous control (in %) |
| Stability - Incubation | Activity after incubation (24 hours at 30Β°C) measured by absorbance spectrophotometry (colorimetric assay, Azo-peptides absorbance measurement, 335 nm) in aqueous phase | Glycerol | 15% | 0 | 14 | % | Incubation: 50 mM Tris-HCl, with 0.5M NaCl, Assay: 50 mM Tris-HCl, 1.5M NaCl | Incubation: 8, Assay: 8 | Incubation: 45Β°C, Assay: 45Β°C | 0.5% (w/v) Azocasein | Azo-peptides , Peptides | β | β | Non-incubated control (in %), assay in aqueous phase (1,5 M NaCl) | Clear about diluted conditions in assay ("Final solvent concentration below 6%") |
| Stability - Incubation | Activity after incubation (24 hours at 30Β°C) measured by absorbance spectrophotometry (colorimetric assay, Azo-peptides absorbance measurement, 335 nm) in aqueous phase | Dimethyl Sulfoxide (DMSO) | 15% | 0 | 48 | % | Incubation: 50 mM Tris-HCl, with 0.5M NaCl, Assay: 50 mM Tris-HCl, 1.5M NaCl | Incubation: 8, Assay: 8 | Incubation: 45Β°C, Assay: 45Β°C | 0.5% (w/v) Azocasein | Azo-peptides , Peptides | β | β | Non-incubated control (in %), assay in aqueous phase (1,5 M NaCl) | Clear about diluted conditions in assay ("Final solvent concentration below 6%") |
| Stability - Incubation | Activity after incubation (24 hours at 30Β°C) measured by absorbance spectrophotometry (colorimetric assay, Azo-peptides absorbance measurement, 335 nm) in aqueous phase | Dimethylformamide (DMF) | 15% | 0 | 0 | % | Incubation: 50 mM Tris-HCl, with 0.5M NaCl, Assay: 50 mM Tris-HCl, 1.5M NaCl | Incubation: 8, Assay: 8 | Incubation: 45Β°C, Assay: 45Β°C | 0.5% (w/v) Azocasein | Azo-peptides , Peptides | β | β | Non-incubated control (in %), assay in aqueous phase (1,5 M NaCl) | Clear about diluted conditions in assay ("Final solvent concentration below 6%") |
| Stability - Incubation | Activity after incubation (24 hours at 30Β°C) measured by absorbance spectrophotometry (colorimetric assay, Azo-peptides absorbance measurement, 335 nm) in aqueous phase | Propylene Glycol | 15% | 0 | 14 | % | Incubation: 50 mM Tris-HCl, with 0.5M NaCl, Assay: 50 mM Tris-HCl, 1.5M NaCl | Incubation: 8, Assay: 8 | Incubation: 45Β°C, Assay: 45Β°C | 0.5% (w/v) Azocasein | Azo-peptides , Peptides | β | β | Non-incubated control (in %), assay in aqueous phase (1,5 M NaCl) | Clear about diluted conditions in assay ("Final solvent concentration below 6%") |
| Stability - Incubation | Activity after incubation (24 hours at 30Β°C) measured by absorbance spectrophotometry (colorimetric assay, Azo-peptides absorbance measurement, 335 nm) in aqueous phase | 1,4-Dioxane | 15% | 0 | 0 | % | Incubation: 50 mM Tris-HCl, with 0.5M NaCl, Assay: 50 mM Tris-HCl, 1.5M NaCl | Incubation: 8, Assay: 8 | Incubation: 45Β°C, Assay: 45Β°C | 0.5% (w/v) Azocasein | Azo-peptides , Peptides | β | β | Non-incubated control (in %), assay in aqueous phase (1,5 M NaCl) | Clear about diluted conditions in assay ("Final solvent concentration below 6%") |
| Stability - Incubation | Activity after incubation (24 hours at 30Β°C) measured by absorbance spectrophotometry (colorimetric assay, Azo-peptides absorbance measurement, 335 nm) in aqueous phase | Acetone | 15% | 0 | 0 | % | Incubation: 50 mM Tris-HCl, with 0.5M NaCl, Assay: 50 mM Tris-HCl, 1.5M NaCl | Incubation: 8, Assay: 8 | Incubation: 45Β°C, Assay: 45Β°C | 0.5% (w/v) Azocasein | Azo-peptides , Peptides | β | β | Non-incubated control (in %), assay in aqueous phase (1,5 M NaCl) | Clear about diluted conditions in assay ("Final solvent concentration below 6%") |
| Stability - Incubation | Activity after incubation (24 hours at 30Β°C) measured by absorbance spectrophotometry (colorimetric assay, Azo-peptides absorbance measurement, 335 nm) in aqueous phase | Acetonitrile | 15% | 0 | 0 | % | Incubation: 50 mM Tris-HCl, with 0.5M NaCl, Assay: 50 mM Tris-HCl, 1.5M NaCl | Incubation: 8, Assay: 8 | Incubation: 45Β°C, Assay: 45Β°C | 0.5% (w/v) Azocasein | Azo-peptides , Peptides | β | β | Non-incubated control (in %), assay in aqueous phase (1,5 M NaCl) | Clear about diluted conditions in assay ("Final solvent concentration below 6%") |
| Stability - Incubation | Activity after incubation (24 hours at 30Β°C) measured by absorbance spectrophotometry (colorimetric assay, Azo-peptides absorbance measurement, 335 nm) in aqueous phase | Ethanol | 15% | 0 | 0 | % | Incubation: 50 mM Tris-HCl, with 0.5M NaCl, Assay: 50 mM Tris-HCl, 1.5M NaCl | Incubation: 8, Assay: 8 | Incubation: 45Β°C, Assay: 45Β°C | 0.5% (w/v) Azocasein | Azo-peptides , Peptides | β | β | Non-incubated control (in %), assay in aqueous phase (1,5 M NaCl) | Clear about diluted conditions in assay ("Final solvent concentration below 6%") |
| Stability - Incubation | Activity after incubation (24 hours at 30Β°C) measured by absorbance spectrophotometry (colorimetric assay, Azo-peptides absorbance measurement, 335 nm) in aqueous phase | Isopropanol | 15% | 0 | 0 | % | Incubation: 50 mM Tris-HCl, with 0.5M NaCl, Assay: 50 mM Tris-HCl, 1.5M NaCl | Incubation: 8, Assay: 8 | Incubation: 45Β°C, Assay: 45Β°C | 0.5% (w/v) Azocasein | Azo-peptides , Peptides | β | β | Non-incubated control (in %), assay in aqueous phase (1,5 M NaCl) | Clear about diluted conditions in assay ("Final solvent concentration below 6%") |
| Stability - Incubation | Activity after incubation (24 hours at 30Β°C) measured by absorbance spectrophotometry (colorimetric assay, Azo-peptides absorbance measurement, 335 nm) in aqueous phase | Glycerol | 30% | 0 | 89 | % | Incubation: 50 mM Tris-HCl, with 0.5M NaCl, Assay: 50 mM Tris-HCl, 1.5M NaCl | Incubation: 8, Assay: 8 | Incubation: 45Β°C, Assay: 45Β°C | 0.5% (w/v) Azocasein | Azo-peptides , Peptides | β | β | Non-incubated control (in %), assay in aqueous phase (1,5 M NaCl) | Clear about diluted conditions in assay ("Final solvent concentration below 6%") |
| Stability - Incubation | Activity after incubation (24 hours at 30Β°C) measured by absorbance spectrophotometry (colorimetric assay, Azo-peptides absorbance measurement, 335 nm) in aqueous phase | Dimethyl Sulfoxide (DMSO) | 30% | 0 | 56 | % | Incubation: 50 mM Tris-HCl, with 0.5M NaCl, Assay: 50 mM Tris-HCl, 1.5M NaCl | Incubation: 8, Assay: 8 | Incubation: 45Β°C, Assay: 45Β°C | 0.5% (w/v) Azocasein | Azo-peptides , Peptides | β | β | Non-incubated control (in %), assay in aqueous phase (1,5 M NaCl) | Clear about diluted conditions in assay ("Final solvent concentration below 6%") |
| Stability - Incubation | Activity after incubation (24 hours at 30Β°C) measured by absorbance spectrophotometry (colorimetric assay, Azo-peptides absorbance measurement, 335 nm) in aqueous phase | Dimethylformamide (DMF) | 30% | 0 | 0 | % | Incubation: 50 mM Tris-HCl, with 0.5M NaCl, Assay: 50 mM Tris-HCl, 1.5M NaCl | Incubation: 8, Assay: 8 | Incubation: 45Β°C, Assay: 45Β°C | 0.5% (w/v) Azocasein | Azo-peptides , Peptides | β | β | Non-incubated control (in %), assay in aqueous phase (1,5 M NaCl) | Clear about diluted conditions in assay ("Final solvent concentration below 6%") |
| Stability - Incubation | Activity after incubation (24 hours at 30Β°C) measured by absorbance spectrophotometry (colorimetric assay, Azo-peptides absorbance measurement, 335 nm) in aqueous phase | Propylene Glycol | 30% | 0 | 55 | % | Incubation: 50 mM Tris-HCl, with 0.5M NaCl, Assay: 50 mM Tris-HCl, 1.5M NaCl | Incubation: 8, Assay: 8 | Incubation: 45Β°C, Assay: 45Β°C | 0.5% (w/v) Azocasein | Azo-peptides , Peptides | β | β | Non-incubated control (in %), assay in aqueous phase (1,5 M NaCl) | Clear about diluted conditions in assay ("Final solvent concentration below 6%") |
| Stability - Incubation | Activity after incubation (24 hours at 30Β°C) measured by absorbance spectrophotometry (colorimetric assay, Azo-peptides absorbance measurement, 335 nm) in aqueous phase | Propylene Glycol | 30% | 100 | 102 | % | Incubation: 50 mM Tris-HCl, with 1.5M NaCl, Assay: 50 mM Tris-HCl, 1.5M NaCl | Incubation: 8, Assay: 8 | Incubation: 45Β°C, Assay: 45Β°C | 0.5% (w/v) Azocasein | Azo-peptides , Peptides | β | β | Non-incubated control (in %), assay in aqueous phase (1,5 M NaCl) | Clear about diluted conditions in assay ("Final solvent concentration below 6%") |
Visualization : Activity β Classical
One bar per measurement. Colour = solvent, shade = solvent volume.
Visualization : Stability β Incubation
One bar per measurement. Colour = solvent, shade = solvent volume.