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Literature summary for 3.4.11.B7 extracted from

  • Zhan, D.; Han, W.; Feng, Y.
    Experimental and computational studies indicate the mutation of Glu12 to increase the thermostability of oligomeric protease from Pyrococcus horikoshii (2011), J. Mol. Model., 17, 1241-1249.
    View publication on PubMed

Protein Variants

Protein Variants Comment Organism
E12T protease activity of E12T is 3.8 fold higher than that of wild-type enzyme. The mutant is more stable than wild-type at 85°C Pyrococcus horikoshii

Organism

Organism UniProt Comment Textmining
Pyrococcus horikoshii O59413
-
-
Pyrococcus horikoshii DSM 12428 O59413
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Ala-Ala-Phe-Arg-7-amido-4-methylcoumarin + H2O Glu12 is responsible for substrate binding Pyrococcus horikoshii Ala-Ala-Phe-Arg + 7-amino-4-methylcoumarin
-
?
Ala-Ala-Phe-Arg-7-amido-4-methylcoumarin + H2O Glu12 is responsible for substrate binding Pyrococcus horikoshii DSM 12428 Ala-Ala-Phe-Arg + 7-amino-4-methylcoumarin
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
85
-
assay at Pyrococcus horikoshii

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
85
-
mutant enzyme E12T is more stable than wild-type at 85°C Pyrococcus horikoshii

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
assay at Pyrococcus horikoshii