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Literature summary for 3.4.21.83 extracted from

  • Mikhailova, A.G.; Khairullin, R.F.; Demidyuk, I.V.; Kostrov, S.V.; Grinberg, N.V.; Burova, T.V.; Grinberg, V.Y.; Rumsh, L.D.
    Cloning, sequencing, expression, and characterization of thermostability of oligopeptidase B from Serratia proteamaculans, a novel psychrophilic protease (2014), Protein Expr. Purif., 93, 63-76.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expression in Escherichia coli Serratia proteamaculans

Organic Solvent Stability

Organic Solvent Comment Organism
Glycerol the fluorescence intensity in 50% glycerol does not change significantly following heat treatment. The maximum fluorescence wavelength also shifts slightly, 337-340 nm and 339-340 nm Serratia proteamaculans

Organism

Organism UniProt Comment Textmining
Serratia proteamaculans B3VI58
-
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
72.6
-
pH 8.0, temperature not specified in the publication Serratia proteamaculans

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Nalpha-benzoyl-DL-Arg-4-nitroanilide + H2O
-
Serratia proteamaculans Nalpha-benzoyl-DL-Arg + 4-nitroaniline
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
25
-
-
Serratia proteamaculans

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
10
-
about 60% of maximum activity Serratia proteamaculans

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
37
-
fluorescence intensity of enzyme decreases with increasing heat treatment time and the maximum fluorescence wavelength shifts slightly towards longer wavelength, 340-345 nm and 342-346 nm. The fluorescence intensity in 50% glycerol does not change significantly following heat treatment. The maximum fluorescence wavelength also shifts slightly, 337-340 nm and 339-340 nm Serratia proteamaculans