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Literature summary for 1.2.1.32 extracted from

  • Nishizuka, Y.; Ichiyama, A.; Hayaishi, O.
    alpha-Aminomuconic epsilon-semialdehyde dehydrogenase (cat liver) (1970), Methods Enzymol., 17A, 476-483.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
Co2+ 0.2 mM, almost complete inhibition Felis catus
Cu2+ 0.2 mM, almost complete inhibition Felis catus
Hg2+ 0.2 mM, almost complete inhibition Felis catus
Ni2+ 0.2 mM, almost complete inhibition Felis catus
p-chloromercuribenzoate 100% inhibition at 20 mM, 52% inhibition at 0.01 mM, 1 mM cysteine reverses inhibition completely Felis catus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.016
-
2-hydroxymuconate-6-semialdehyde
-
Felis catus
0.019
-
NAD+
-
Felis catus

Organism

Organism UniProt Comment Textmining
Felis catus
-
-
-
Pseudomonas sp.
-
o-cresol adapted cells
-
Rattus norvegicus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
partial Rattus norvegicus
partial Felis catus

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Rattus norvegicus
-
liver
-
Felis catus
-

Storage Stability

Storage Stability Organism
-10°C, 1 week, 50% loss of activity Felis catus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2-aminomuconate-6-semialdehyde + NAD+ + H2O
-
Felis catus 2-aminomuconate + NADH
-
?
2-hydroxy-5-methyl-6-oxohexa-2,4-dienoate + NAD+ + H2O synonym 5-methyl-2-hydroxymuconic-6-semialdehyde Felis catus 2-hydroxy-5-methylmuconate + NADH
-
?
2-hydroxymuconate-6-semialdehyde + NAD+ + H2O
-
Pseudomonas sp. 2-hydroxymuconate + NADH
-
?
2-hydroxymuconate-6-semialdehyde + NAD+ + H2O
-
Felis catus 2-hydroxymuconate + NADH
-
?
acetaldehyde + NAD+ + H2O low activity Felis catus acetate + NADH + H+
-
?
formaldehyde + NAD+ + H2O
-
Felis catus formate + NADH
-
?
n-butanal + NAD+ + H2O
-
Felis catus n-butanoate + NADH + H+
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
25
-
assay at Felis catus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5 8
-
Felis catus

Cofactor

Cofactor Comment Organism Structure
NAD+
-
Pseudomonas sp.
NAD+ specific for, not replaceable by NADP+ Felis catus