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Literature summary extracted from

  • Bode, R.; Birnbaum, D.
    Die Formamidase von Hansenula henricii: Isolierung, Charakterisierung und Regulation multipler Formen (1979), Biochem. Physiol. Pflanz., 174, 26-38.
No PubMed abstract available

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.5.1.9 Cu2+ strong inhibition at 0.25 mM, more inhibition for formamidase I than formamidase II Ogataea henricii
3.5.1.9 Hg2+ strong inhibition for both, formamidases I and II Ogataea henricii
3.5.1.9 iodoacetamide slight inhibition at 1 mM for both formamidases I and II Ogataea henricii
3.5.1.9 NaF strong inhibition for both formamidases I and II at 1 mM Ogataea henricii
3.5.1.9 NaHSO3 strong inhibition at 1 mM for both formamidases I and II Ogataea henricii
3.5.1.9 p-chloromercuribenzoate strong inhibition at 0.1 mM for both formamidases I and II Ogataea henricii
3.5.1.9 Zn2+ strong inhibition at 0.1 mM, more for formamidase II than formamidase I Ogataea henricii

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.5.1.9 1.9
-
N-formyl-L-kynurenine formamidase I Ogataea henricii
3.5.1.9 2.2
-
N-formyl-L-kynurenine formamidase II Ogataea henricii

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.5.1.9 28000
-
formamidase II, gel filtration Ogataea henricii
3.5.1.9 56000
-
formamidase I, gel filtration Ogataea henricii

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.5.1.9 N-formyl-L-kynurenine + H2O Ogataea henricii
-
L-kynurenine + formate
-
?
3.5.1.9 N-formylanthranilic acid + H2O Ogataea henricii 10times slower hydrolysis than for N-formyl-L-kynurenine formate + anthranilic acid
-
?

Organism

EC Number Organism UniProt Comment Textmining
3.5.1.9 Ogataea henricii
-
2 forms, formamidase I and II
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.5.1.9 partial Ogataea henricii

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.5.1.9 cell culture decreasing formamidase synthesis in presence of anthranilic acid, p-aminobenzoic acid, 3-hydroxyanthranilic acid, kynurenine or 3-hydroxykynurenine Ogataea henricii
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.5.1.9 0.59
-
-
Ogataea henricii

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.5.1.9 N-formyl-L-kynurenine + H2O
-
Ogataea henricii L-kynurenine + formate
-
?
3.5.1.9 N-formylanthranilic acid + H2O 10times slower hydrolysis than for N-formyl-L-kynurenine Ogataea henricii formate + anthranilic acid
-
?

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.5.1.9 45
-
50% activity after 40 min for formamidase I, complete inactivation for formamidase II Ogataea henricii

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.5.1.9 5.5 7 formamidase II Ogataea henricii
3.5.1.9 7 8 formamidase I Ogataea henricii