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Literature summary extracted from

  • Witek, A.I.; Witek, K.; Hennig, J.
    Conserved Cys residue influences catalytic properties of potato endo-(1-->3)-beta-glucanase GLUB20-2 (2008), Acta Biochim. Pol., 55, 791-797.
    View publication on PubMed

Protein Variants

EC Number Protein Variants Comment Organism
3.2.1.39 C6A significant decrease in activity towards carboxymethyl-curdlan and laminarin, strong increase in activity towards lichenan Solanum tuberosum

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.39 Solanum tuberosum Q70C53 isoform GLUB20-2
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.1.39 0.08
-
wild-type, substrate lichenan Solanum tuberosum
3.2.1.39 24
-
mutant C6A, substrate laminarin Solanum tuberosum
3.2.1.39 62
-
mutant C6A, substrate lichenan Solanum tuberosum
3.2.1.39 62
-
wild-type, substrate carboxymethylated pachyman Solanum tuberosum
3.2.1.39 82
-
mutant C6A, substrate carboxymethylated pachyman Solanum tuberosum
3.2.1.39 90
-
wild-type, substrate laminarin Solanum tuberosum
3.2.1.39 174
-
mutant C6A, substrate carboxymethylated curdlan Solanum tuberosum
3.2.1.39 484
-
wild-type, substrate carboxymethylated curdlan Solanum tuberosum

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.39 carboxymethylated curdlan + H2O
-
Solanum tuberosum ?
-
?
3.2.1.39 carboxymethylated pachyman + H2O
-
Solanum tuberosum ?
-
?
3.2.1.39 laminarin + H2O
-
Solanum tuberosum ?
-
?
3.2.1.39 lichenan + H2O
-
Solanum tuberosum ?
-
?

Synonyms

EC Number Synonyms Comment Organism
3.2.1.39 GLUB20-2 isoform Solanum tuberosum