Organic-solvent tolerant protease from Geomicrobium sp. EMB2

Enzyme Description

Extremophile
Yes "moderately halophilic" organism
EC Number

Sequence

Length: 375 amino acids
MHPTRYRELNHKSSKKVAGVSANSRAPSIGLYGALVLIPAFETDKSSLGLGIDRPQQAKRPTTPTQIPNDLDCQNAENRHINPSTTIQRSQTLSATAVPIQSSASSNDVHRKFSTCFGSTMQTVASFYQKAQGPAWYIRKHRRLGQLNISHHTPCHSRRFGNVSLALTDVHSCSSIHDFRVGHDELTDVQLCLEIDPAKMSQPLPSLAILRSYSRRSFAKTSDRTIANPYSALGTYRSAFFMHKALLSATERSILRRYPVSAYNGQSCFSSLECIFGYSLQTVRRRKKSRWQLAALTYSHITMIEPLIPGILQSIMNEKNLQRMQQDDLLEGLCDPYVSFDVSQPFSDFRHVQYAESCETHSITRHHIKQIYSMN
Ram Karan et al. (2011) β€” A novel organic solvent tolerant protease from a newly isolated Geomicrobium sp. EMB2 (MTCC 10310): production optimization by response surface methodology
New Biotechnology  Β· doi:10.1016/j.nbt.2010.10.007 β†—  Β· Stability - Incubation
18 measurements
Database ID
UniProt: D7RJV5 β†—
Sequence Annotation
Inferred - from protein name
Protein Source
Purified, bacterium Geomicrobium sp. EMB2

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
Stability - Incubation Activity after incubation (72 hours at ?Β°C) measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase Ethanol 75% 100 39 % Incubation: ?, Assay: 20 mM borax-NaOH, 5% NaCl w/v Incubation: ?, Assay: 10 Incubation: ?, Assay: 37Β°C 0.5% Casein free amino acids , Peptides β€” β€” Water-incubated control (in %), activity measured in aqueous phase | High uncertainty about whether residual activity assay was with or without organic solvent
Stability - Incubation Activity after incubation (72 hours at ?Β°C) measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase n-Dodecane 75% 100 101 % Incubation: ?, Assay: 20 mM borax-NaOH, 5% NaCl w/v Incubation: ?, Assay: 10 Incubation: ?, Assay: 37Β°C 0.5% Casein free amino acids , Peptides β€” β€” Water-incubated control (in %), activity measured in aqueous phase | High uncertainty about whether residual activity assay was with or without organic solvent
Stability - Incubation Activity after incubation (72 hours at ?Β°C) measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase n-Decane 75% 100 100 % Incubation: ?, Assay: 20 mM borax-NaOH, 5% NaCl w/v Incubation: ?, Assay: 10 Incubation: ?, Assay: 37Β°C 0.5% Casein free amino acids , Peptides β€” β€” Water-incubated control (in %), activity measured in aqueous phase | High uncertainty about whether residual activity assay was with or without organic solvent
Stability - Incubation Activity after incubation (72 hours at ?Β°C) measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase Isooctane 75% 100 97 % Incubation: ?, Assay: 20 mM borax-NaOH, 5% NaCl w/v Incubation: ?, Assay: 10 Incubation: ?, Assay: 37Β°C 0.5% Casein free amino acids , Peptides β€” β€” Water-incubated control (in %), activity measured in aqueous phase | High uncertainty about whether residual activity assay was with or without organic solvent
Stability - Incubation Activity after incubation (72 hours at ?Β°C) measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase n-Heptane 75% 100 96 % Incubation: ?, Assay: 20 mM borax-NaOH, 5% NaCl w/v Incubation: ?, Assay: 10 Incubation: ?, Assay: 37Β°C 0.5% Casein free amino acids , Peptides β€” β€” Water-incubated control (in %), activity measured in aqueous phase | High uncertainty about whether residual activity assay was with or without organic solvent
Stability - Incubation Activity after incubation (72 hours at ?Β°C) measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase Cyclohexane 75% 100 98 % Incubation: ?, Assay: 20 mM borax-NaOH, 5% NaCl w/v Incubation: ?, Assay: 10 Incubation: ?, Assay: 37Β°C 0.5% Casein free amino acids , Peptides β€” β€” Water-incubated control (in %), activity measured in aqueous phase | High uncertainty about whether residual activity assay was with or without organic solvent
Stability - Incubation Activity after incubation (72 hours at ?Β°C) measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase Toluene 75% 100 101 % Incubation: ?, Assay: 20 mM borax-NaOH, 5% NaCl w/v Incubation: ?, Assay: 10 Incubation: ?, Assay: 37Β°C 0.5% Casein free amino acids , Peptides β€” β€” Water-incubated control (in %), activity measured in aqueous phase | High uncertainty about whether residual activity assay was with or without organic solvent
Stability - Incubation Activity after incubation (72 hours at ?Β°C) measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase Benzene 75% 100 91 % Incubation: ?, Assay: 20 mM borax-NaOH, 5% NaCl w/v Incubation: ?, Assay: 10 Incubation: ?, Assay: 37Β°C 0.5% Casein free amino acids , Peptides β€” β€” Water-incubated control (in %), activity measured in aqueous phase | High uncertainty about whether residual activity assay was with or without organic solvent
Stability - Incubation Activity after incubation (72 hours at ?Β°C) measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase 1-Butanol 75% 100 68 % Incubation: ?, Assay: 20 mM borax-NaOH, 5% NaCl w/v Incubation: ?, Assay: 10 Incubation: ?, Assay: 37Β°C 0.5% Casein free amino acids , Peptides β€” β€” Water-incubated control (in %), activity measured in aqueous phase | High uncertainty about whether residual activity assay was with or without organic solvent
Stability - Incubation Activity after incubation (72 hours at ?Β°C) measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase Ethanol 25% 100 50 % Incubation: ?, Assay: 20 mM borax-NaOH, 5% NaCl w/v Incubation: ?, Assay: 10 Incubation: ?, Assay: 37Β°C 0.5% Casein free amino acids , Peptides β€” β€” Water-incubated control (in %), activity measured in aqueous phase | High uncertainty about whether residual activity assay was with or without organic solvent
Stability - Incubation Activity after incubation (72 hours at ?Β°C) measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase n-Dodecane 25% 100 108 % Incubation: ?, Assay: 20 mM borax-NaOH, 5% NaCl w/v Incubation: ?, Assay: 10 Incubation: ?, Assay: 37Β°C 0.5% Casein free amino acids , Peptides β€” β€” Water-incubated control (in %), activity measured in aqueous phase | High uncertainty about whether residual activity assay was with or without organic solvent
Stability - Incubation Activity after incubation (72 hours at ?Β°C) measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase n-Decane 25% 100 105 % Incubation: ?, Assay: 20 mM borax-NaOH, 5% NaCl w/v Incubation: ?, Assay: 10 Incubation: ?, Assay: 37Β°C 0.5% Casein free amino acids , Peptides β€” β€” Water-incubated control (in %), activity measured in aqueous phase | High uncertainty about whether residual activity assay was with or without organic solvent
Stability - Incubation Activity after incubation (72 hours at ?Β°C) measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase Isooctane 25% 100 103 % Incubation: ?, Assay: 20 mM borax-NaOH, 5% NaCl w/v Incubation: ?, Assay: 10 Incubation: ?, Assay: 37Β°C 0.5% Casein free amino acids , Peptides β€” β€” Water-incubated control (in %), activity measured in aqueous phase | High uncertainty about whether residual activity assay was with or without organic solvent
Stability - Incubation Activity after incubation (72 hours at ?Β°C) measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase n-Heptane 25% 100 102 % Incubation: ?, Assay: 20 mM borax-NaOH, 5% NaCl w/v Incubation: ?, Assay: 10 Incubation: ?, Assay: 37Β°C 0.5% Casein free amino acids , Peptides β€” β€” Water-incubated control (in %), activity measured in aqueous phase | High uncertainty about whether residual activity assay was with or without organic solvent
Stability - Incubation Activity after incubation (72 hours at ?Β°C) measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase Cyclohexane 25% 100 105 % Incubation: ?, Assay: 20 mM borax-NaOH, 5% NaCl w/v Incubation: ?, Assay: 10 Incubation: ?, Assay: 37Β°C 0.5% Casein free amino acids , Peptides β€” β€” Water-incubated control (in %), activity measured in aqueous phase | High uncertainty about whether residual activity assay was with or without organic solvent
Stability - Incubation Activity after incubation (72 hours at ?Β°C) measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase Toluene 25% 100 109 % Incubation: ?, Assay: 20 mM borax-NaOH, 5% NaCl w/v Incubation: ?, Assay: 10 Incubation: ?, Assay: 37Β°C 0.5% Casein free amino acids , Peptides β€” β€” Water-incubated control (in %), activity measured in aqueous phase | High uncertainty about whether residual activity assay was with or without organic solvent
Stability - Incubation Activity after incubation (72 hours at ?Β°C) measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase Benzene 25% 100 103 % Incubation: ?, Assay: 20 mM borax-NaOH, 5% NaCl w/v Incubation: ?, Assay: 10 Incubation: ?, Assay: 37Β°C 0.5% Casein free amino acids , Peptides β€” β€” Water-incubated control (in %), activity measured in aqueous phase | High uncertainty about whether residual activity assay was with or without organic solvent
Stability - Incubation Activity after incubation (72 hours at ?Β°C) measured by absorbance spectrophotometry (free tyrosines absorbance measurement, 280 nm) in aqueous phase 1-Butanol 25% 100 83 % Incubation: ?, Assay: 20 mM borax-NaOH, 5% NaCl w/v Incubation: ?, Assay: 10 Incubation: ?, Assay: 37Β°C 0.5% Casein free amino acids , Peptides β€” β€” Water-incubated control (in %), activity measured in aqueous phase | High uncertainty about whether residual activity assay was with or without organic solvent

Visualization : Stability β€” Incubation

Ram Karan et al. (2011)

One bar per measurement. Colour = solvent, shade = solvent volume.

R. Karan et al. (2011) β€” Stability of haloalkaliphilic Geomicrobium sp. protease modulated by salt
Biochemistry (Moscow)  Β· doi:10.1134/S0006297911060095 β†—  Β· Stability - Half-life
132 measurements

Structure

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