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Literature summary for 3.1.1.81 extracted from

  • Bijtenhoorn, P.; Schipper, C.; Hornung, C.; Quitschau, M.; Grond, S.; Weiland, N.; Streit, W.
    BpiB05, a novel metagenome-derived hydrolase acting on N-acylhomoserine lactones (2011), J. Biotechnol., 155, 86-94.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
metagenomic library construction from soil isolates, expression of His10-tagged BpiB05 in Escherichia coli strain BL21(DE3) uncultured bacterium

Inhibitors

Inhibitors Comment Organism Structure
Ca2+ absolutely required for activity, but inhibitory at higher concentrations, e.g. at 2 mM uncultured bacterium

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+ absolutely required for activity, but inhibitory at higher concentrations, e.g. at 2 mM uncultured bacterium

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
N-3-oxo-octanoyl-L-homoserine lactone + H2O uncultured bacterium
-
N-3-oxo-octanoyl-L-homoserine
-
?
N-dodecanoyl-L-homoserine lactone + H2O uncultured bacterium
-
N-dodecanoyl-L-homoserine
-
?
N-hexanoyl-L-homoserine lactone + H2O uncultured bacterium
-
N-hexanoyl-L-homoserine
-
?
N-octanoyl-L-homoserine lactone + H2O uncultured bacterium
-
N-octanoyl-L-homoserine
-
?

Organism

Organism UniProt Comment Textmining
uncultured bacterium B2BKC0
-
-

Purification (Commentary)

Purification (Comment) Organism
recombinant His10-tagged BpiB05 from Escherichia coli strain BL21(DE3) uncultured bacterium

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
N-3-oxo-octanoyl-L-homoserine lactone + H2O
-
uncultured bacterium N-3-oxo-octanoyl-L-homoserine
-
?
N-3-oxo-octanoyl-L-homoserine lactone + H2O the substrate is derived from Agrobacterium tumefaciens KYC6 uncultured bacterium N-3-oxo-octanoyl-L-homoserine
-
?
N-dodecanoyl-L-homoserine lactone + H2O
-
uncultured bacterium N-dodecanoyl-L-homoserine
-
?
N-hexanoyl-L-homoserine lactone + H2O
-
uncultured bacterium N-hexanoyl-L-homoserine
-
?
N-octanoyl-L-homoserine lactone + H2O
-
uncultured bacterium N-octanoyl-L-homoserine
-
?

Synonyms

Synonyms Comment Organism
BpiB05
-
uncultured bacterium

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30 37 assay at uncultured bacterium

General Information

General Information Comment Organism
physiological function the enzyme hydrolyzes N-acyl-homoserine lactones, that play an important role in bacterial cell-cell signaling. BpiB05 shows quorum quenching activities and strongly reduces motility in Pseudomonas aeruginosa, pyocyanin synthesis and biofilm formation in this microbe uncultured bacterium