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Literature summary extracted from

  • Colak, A.; Güner, S.
    Polyhydroxyalkanoate degrading hydrolase-like activities by Pseudomonas sp. isolated from soil (2004), Int. Biodeter. Biodegrad., 53, 103-109.
No PubMed abstract available

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.1.1.76 DTT 31% inhibition at 0.05 mM Pseudomonas fluorescens
3.1.1.76 DTT 38% inhibition at 0.05 mM Pseudomonas putida
3.1.1.76 EDTA 25% inhibition at 0.05 mM Pseudomonas aeruginosa
3.1.1.76 KCN 13% inhibition at 0.005 mM Pseudomonas aeruginosa
3.1.1.76 KCN 14% inhibition at 0.005 mM Pseudomonas putida
3.1.1.76 additional information no inhibition by DTT Pseudomonas aeruginosa
3.1.1.76 additional information no inhibition by KCN, PMSF, sodium azide, EDTA, and sodium deoxycholate Pseudomonas fluorescens
3.1.1.76 additional information no inhibition by sodium azide, EDTA, and sodium deoxycholate Pseudomonas putida
3.1.1.76 PMSF 23% inhibition at 0.05 mM Pseudomonas aeruginosa
3.1.1.76 PMSF 33% inhibition at 0.05 mM Pseudomonas putida
3.1.1.76 Sodium azide 30% inhibition at 0.05 mM Pseudomonas aeruginosa
3.1.1.76 sodium deoxycholate 35% inhibition at 0.5 mM Pseudomonas aeruginosa

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.1.1.76 2.8
-
poly(3-hydroxybutyrate) pH 7.9, 30°C Pseudomonas aeruginosa

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
3.1.1.76 Ca2+ stimulates at 1 mM Pseudomonas aeruginosa
3.1.1.76 K+ stimulates at 1 mM Pseudomonas aeruginosa
3.1.1.76 Mg2+ stimulates at 1 mM Pseudomonas aeruginosa
3.1.1.76 additional information the enzyme requires divalent metal cations for activity Pseudomonas fluorescens
3.1.1.76 additional information the enzyme requires divalent metal cations for activity Pseudomonas aeruginosa
3.1.1.76 additional information the enzyme requires divalent metal cations for activity Pseudomonas putida
3.1.1.76 Na+ stimulates at 1 mM Pseudomonas aeruginosa

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.1.1.76 poly(3-hydroxybutyrate) + H2O Pseudomonas fluorescens
-
oligo(3-hydroxybutyrate)
-
?
3.1.1.76 poly(3-hydroxybutyrate) + H2O Pseudomonas aeruginosa
-
oligo(3-hydroxybutyrate)
-
?
3.1.1.76 poly(3-hydroxybutyrate) + H2O Pseudomonas putida
-
oligo(3-hydroxybutyrate)
-
?
3.1.1.76 poly(3-hydroxybutyrate-co-3-hydroxyvalerate) + H2O Pseudomonas fluorescens co-polymeric substrate ?
-
?
3.1.1.76 poly(3-hydroxybutyrate-co-3-hydroxyvalerate) + H2O Pseudomonas aeruginosa co-polymeric substrate ?
-
?
3.1.1.76 poly(3-hydroxybutyrate-co-3-hydroxyvalerate) + H2O Pseudomonas putida co-polymeric substrate ?
-
?

Organism

EC Number Organism UniProt Comment Textmining
3.1.1.76 Pseudomonas aeruginosa
-
isolated from fuel-oil contaminated soil
-
3.1.1.76 Pseudomonas fluorescens
-
isolated from fuel-oil contaminated soil
-
3.1.1.76 Pseudomonas putida
-
isolated from fuel-oil contaminated soil
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.1.1.76 additional information
-
-
Pseudomonas fluorescens
3.1.1.76 additional information
-
-
Pseudomonas aeruginosa
3.1.1.76 additional information
-
-
Pseudomonas putida

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.1.1.76 poly(3-hydroxybutyrate) + H2O
-
Pseudomonas fluorescens oligo(3-hydroxybutyrate)
-
?
3.1.1.76 poly(3-hydroxybutyrate) + H2O
-
Pseudomonas aeruginosa oligo(3-hydroxybutyrate)
-
?
3.1.1.76 poly(3-hydroxybutyrate) + H2O
-
Pseudomonas putida oligo(3-hydroxybutyrate)
-
?
3.1.1.76 poly(3-hydroxybutyrate-co-3-hydroxyvalerate) + H2O co-polymeric substrate Pseudomonas fluorescens ?
-
?
3.1.1.76 poly(3-hydroxybutyrate-co-3-hydroxyvalerate) + H2O co-polymeric substrate Pseudomonas aeruginosa ?
-
?
3.1.1.76 poly(3-hydroxybutyrate-co-3-hydroxyvalerate) + H2O co-polymeric substrate Pseudomonas putida ?
-
?

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.1.1.76 30
-
assay at Pseudomonas fluorescens
3.1.1.76 30
-
assay at Pseudomonas aeruginosa
3.1.1.76 30
-
assay at Pseudomonas putida

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.1.1.76 7.9
-
assay at Pseudomonas fluorescens
3.1.1.76 7.9
-
assay at Pseudomonas aeruginosa
3.1.1.76 7.9
-
assay at Pseudomonas putida