Purified protease from Haloalkaliphilic bacterium

Enzyme Description

Extremophile
Yes "haloalkaliphilic" organism
EC Number

Sequence

Length: 391 amino acids
KKLRVIIEFKEDAVEAGIQSTKQLMKKSRKTNIKKHFSHIDCCAADLTPAALEELLANGEHIRKIYLDREVHALLDVATQASHADEVIRNGTALTGEGITVAVIDTGIYPHEDVDGRIRDFVDLVKQKKKPYDDNGHGTHCAGDVAGDGAASDGLYKGPAPKAHLIGVKVLNKQGAGSLSTIIEGVEWCIQFNEDHPDDPIHIMSMSLGGDAQRYDDEQDDPMVRAVNAAWDQGIVVCVAAGNSGPNSQTIASPAVSQKVITVGAFDDRNTPESNDDIVAPFSSRGPTVYGETKPDILAPGVNIVSLRSPRSFLDKLDKSSRVDDDYTTLSGTSMATPICAGICALILEHSPDSTPDEVKTMLKENTSKWSGDDPTIYGAGAIDAEKAIKE
Megha K. Purohit et al. (2022) β€” Comparative analysis of the catalysis and stability of the native, recombinant and metagenomic alkaline proteases in organic solvents
Environmental Science and Pollution Research  Β· doi:10.1007/s11356-022-21411-7 β†—  Β· Activity - Classical Stability - Incubation
42 measurements
Database ID
UniProt: E3UEQ7 β†—
Sequence Annotation
Explicit - Provided GenBank Accession Number
Protein Source
Purified, bacterium extremophilic halophile Haloalkaliphilic bacterium

Experimental Data (42 measurements)

42 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 (free tyrosines absorbance measurement, 280 nm) in the presence of organic solvent Glycerol 30% 100.0 0.0 % 20 mM NaOH Borax buffer 10 60Β°C 0.5% Casein free amino acids , Peptides β€” β€” Classical aqueous control (in %)
Activity - Classical Activity measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in the presence of organic solvent Acetone 5% 100.0 60.2 % 20 mM NaOH Borax buffer 10 60Β°C 0.5% Casein free amino acids , Peptides β€” β€” Classical aqueous control (in %)
Activity - Classical Activity measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in the presence of organic solvent Acetone 10% 100.0 50.6 % 20 mM NaOH Borax buffer 10 60Β°C 0.5% Casein free amino acids , Peptides β€” β€” Classical aqueous control (in %)
Activity - Classical Activity measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in the presence of organic solvent Acetone 20% 100.0 44.0 % 20 mM NaOH Borax buffer 10 60Β°C 0.5% Casein free amino acids , Peptides β€” β€” Classical aqueous control (in %)
Stability - Incubation Activity after incubation (15 hours at room temperature), measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase n-Hexane 10% 100.0 28.5 % Incubation: ?, Assay: 20 mM NaOH Borax buffer Incubation: ?, Assay: 10 Incubation: Room temperature, Assay: 60Β°C 0.5% Casein free amino acids , Peptides β€” β€” Non-incubated control (in %), assay in aqueous phase
Stability - Incubation Activity after incubation (15 hours at room temperature), measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase Glycerol 10% 100.0 15.5 % Incubation: ?, Assay: 20 mM NaOH Borax buffer Incubation: ?, Assay: 10 Incubation: Room temperature, Assay: 60Β°C 0.5% Casein free amino acids , Peptides β€” β€” Non-incubated control (in %), assay in aqueous phase
Stability - Incubation Activity after incubation (15 hours at room temperature), measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase Methanol 10% 100.0 29.6 % Incubation: ?, Assay: 20 mM NaOH Borax buffer Incubation: ?, Assay: 10 Incubation: Room temperature, Assay: 60Β°C 0.5% Casein free amino acids , Peptides β€” β€” Non-incubated control (in %), assay in aqueous phase
Stability - Incubation Activity after incubation (12 hours at room temperature), measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase n-Hexane 10% 100.0 31.6 % Incubation: ?, Assay: 20 mM NaOH Borax buffer Incubation: ?, Assay: 10 Incubation: Room temperature, Assay: 60Β°C 0.5% Casein free amino acids , Peptides β€” β€” Non-incubated control (in %), assay in aqueous phase
Stability - Incubation Activity after incubation (12 hours at room temperature), measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase Glycerol 10% 100.0 29.6 % Incubation: ?, Assay: 20 mM NaOH Borax buffer Incubation: ?, Assay: 10 Incubation: Room temperature, Assay: 60Β°C 0.5% Casein free amino acids , Peptides β€” β€” Non-incubated control (in %), assay in aqueous phase
Stability - Incubation Activity after incubation (12 hours at room temperature), measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase Methanol 10% 100.0 38.5 % Incubation: ?, Assay: 20 mM NaOH Borax buffer Incubation: ?, Assay: 10 Incubation: Room temperature, Assay: 60Β°C 0.5% Casein free amino acids , Peptides β€” β€” Non-incubated control (in %), assay in aqueous phase
Stability - Incubation Activity after incubation (9 hours at room temperature), measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase n-Hexane 10% 100.0 48.4 % Incubation: ?, Assay: 20 mM NaOH Borax buffer Incubation: ?, Assay: 10 Incubation: Room temperature, Assay: 60Β°C 0.5% Casein free amino acids , Peptides β€” β€” Non-incubated control (in %), assay in aqueous phase
Stability - Incubation Activity after incubation (9 hours at room temperature), measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase Glycerol 10% 100.0 36.8 % Incubation: ?, Assay: 20 mM NaOH Borax buffer Incubation: ?, Assay: 10 Incubation: Room temperature, Assay: 60Β°C 0.5% Casein free amino acids , Peptides β€” β€” Non-incubated control (in %), assay in aqueous phase
Stability - Incubation Activity after incubation (9 hours at room temperature), measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase Methanol 10% 100.0 49.8 % Incubation: ?, Assay: 20 mM NaOH Borax buffer Incubation: ?, Assay: 10 Incubation: Room temperature, Assay: 60Β°C 0.5% Casein free amino acids , Peptides β€” β€” Non-incubated control (in %), assay in aqueous phase
Stability - Incubation Activity after incubation (6 hours at room temperature), measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase n-Hexane 10% 100.0 59.1 % Incubation: ?, Assay: 20 mM NaOH Borax buffer Incubation: ?, Assay: 10 Incubation: Room temperature, Assay: 60Β°C 0.5% Casein free amino acids , Peptides β€” β€” Non-incubated control (in %), assay in aqueous phase
Stability - Incubation Activity after incubation (6 hours at room temperature), measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase Glycerol 10% 100.0 44.7 % Incubation: ?, Assay: 20 mM NaOH Borax buffer Incubation: ?, Assay: 10 Incubation: Room temperature, Assay: 60Β°C 0.5% Casein free amino acids , Peptides β€” β€” Non-incubated control (in %), assay in aqueous phase
Stability - Incubation Activity after incubation (6 hours at room temperature), measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase Methanol 10% 100.0 67.7 % Incubation: ?, Assay: 20 mM NaOH Borax buffer Incubation: ?, Assay: 10 Incubation: Room temperature, Assay: 60Β°C 0.5% Casein free amino acids , Peptides β€” β€” Non-incubated control (in %), assay in aqueous phase
Stability - Incubation Activity after incubation (3 hours at room temperature), measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase n-Hexane 10% 100.0 64.6 % Incubation: ?, Assay: 20 mM NaOH Borax buffer Incubation: ?, Assay: 10 Incubation: Room temperature, Assay: 60Β°C 0.5% Casein free amino acids , Peptides β€” β€” Non-incubated control (in %), assay in aqueous phase
Stability - Incubation Activity after incubation (3 hours at room temperature), measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase Glycerol 10% 100.0 56.7 % Incubation: ?, Assay: 20 mM NaOH Borax buffer Incubation: ?, Assay: 10 Incubation: Room temperature, Assay: 60Β°C 0.5% Casein free amino acids , Peptides β€” β€” Non-incubated control (in %), assay in aqueous phase
Stability - Incubation Activity after incubation (3 hours at room temperature), measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase Methanol 10% 100.0 72.2 % Incubation: ?, Assay: 20 mM NaOH Borax buffer Incubation: ?, Assay: 10 Incubation: Room temperature, Assay: 60Β°C 0.5% Casein free amino acids , Peptides β€” β€” Non-incubated control (in %), assay in aqueous phase
Stability - Incubation Activity after incubation (0 hours at room temperature), measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase n-Hexane 10% 100.0 77.7 % Incubation: ?, Assay: 20 mM NaOH Borax buffer Incubation: ?, Assay: 10 Incubation: Room temperature, Assay: 60Β°C 0.5% Casein free amino acids , Peptides β€” β€” Non-incubated control (in %), assay in aqueous phase
1 2 3

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.

Structure

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