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Literature summary for 3.2.1.41 extracted from

  • Kang, S.; Vieille, C.; Zeikus, J.G.
    Identification of Pyrococcus furiosus amylopullulanase catalytic residues (2005), Appl. Microbiol. Biotechnol., 66, 408-413.
    View publication on PubMed

Protein Variants

Protein Variants Comment Organism
D394N kcat/KM is 24.2fold lower than wild-type value, specific activity on starch decreases 11.7times Pyrococcus furiosus
E291Q kcat/KM is 123fold lower than wild-type value, specific activity on starch decreases 91times Pyrococcus furiosus
E396Q activity of the mutant enzyme on pullulan is to low to allow reliable determination of catalytic efficiency, specific activity on starch decreases 37.2times Pyrococcus furiosus

Organism

Organism UniProt Comment Textmining
Pyrococcus furiosus
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
pullulan + H2O
-
Pyrococcus furiosus maltotriose + ?
-
?
soluble starch + H2O
-
Pyrococcus furiosus maltotriose + maltose
-
?

Synonyms

Synonyms Comment Organism
PfAPU
-
Pyrococcus furiosus