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Literature summary for 3.5.1.9 extracted from

  • Moore, G.P.; Sullivan, D.T.
    The characterization of multiple forms of kynurenine formidase in Drosophila melanogaster (1975), Biochim. Biophys. Acta, 397, 468-477.
    View publication on PubMed

General Stability

General Stability Organism
formamidase I more heat-stable than formamidase II Drosophila melanogaster

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.83
-
N-formyl-L-kynurenine formamidase II Drosophila melanogaster
5
-
N-formyl-L-kynurenine formamidase I Drosophila melanogaster

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
30500
-
formamidase II, gel filtration Lithobates pipiens
31000
-
formamidase II, gel filtration Drosophila melanogaster
36000
-
formamidase II, gel filtration Mus musculus
36500
-
formamidase II, gel filtration Drosophila virilis
58500
-
formamidase I, gel filtration Saccharomyces cerevisiae
59000
-
formamidase I, gel filtration Gallus gallus
59000
-
formamidase I, gel filtration Bos taurus
60000
-
-
Gallus gallus
60000
-
formamidase I, gel filtration Drosophila melanogaster
60000
-
formamidase I, gel filtration Musca domestica
60000
-
formamidase I, gel filtration Drosophila virilis

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
N-formyl-L-kynurenine + H2O Gallus gallus
-
L-kynurenine + formate
-
?
N-formyl-L-kynurenine + H2O Drosophila melanogaster
-
L-kynurenine + formate
-
?
N-formyl-L-kynurenine + H2O Saccharomyces cerevisiae
-
L-kynurenine + formate
-
?
N-formyl-L-kynurenine + H2O Bos taurus
-
L-kynurenine + formate
-
?

Organism

Organism UniProt Comment Textmining
Bos taurus
-
formamidase I
-
Drosophila melanogaster
-
2 forms, formamidase I and II
-
Drosophila virilis
-
2 forms, formamidase I and II
-
Gallus gallus
-
chicken, formamidase I
-
Lithobates pipiens
-
frog, formamidase II
-
Mus musculus
-
formamidase II
-
Musca domestica
-
housefly, formamidase I
-
Saccharomyces cerevisiae
-
1 form, formamidase I
-

Purification (Commentary)

Purification (Comment) Organism
to homogeneity, chromatography techniques, 2 forms Drosophila melanogaster

Source Tissue

Source Tissue Comment Organism Textmining
cell culture
-
Saccharomyces cerevisiae
-
liver
-
Gallus gallus
-
liver
-
Mus musculus
-
liver
-
Bos taurus
-
liver
-
Lithobates pipiens
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.26
-
formamidase I Drosophila melanogaster
0.48
-
formamidase II Drosophila melanogaster

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
N-formyl-L-kynurenine + H2O
-
Gallus gallus L-kynurenine + formate
-
?
N-formyl-L-kynurenine + H2O
-
Drosophila melanogaster L-kynurenine + formate
-
?
N-formyl-L-kynurenine + H2O
-
Saccharomyces cerevisiae L-kynurenine + formate
-
?
N-formyl-L-kynurenine + H2O
-
Bos taurus L-kynurenine + formate
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.5 8 formamidase II Drosophila melanogaster
6.7 7.8 formamidase I Drosophila melanogaster