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Literature summary for 1.2.1.32 extracted from

  • Ichiyama, A.; Nakamura, S.; Kawai, H.; Honjo, T.; Nishizuka, Y.; Hayaishi, O.; Senoh, S.
    Studies on the metabolism of the benzene ring of tryptophan in mammalian tissues II. Enzymic formation of alpha-aminomuconic acid from 3-hydroxyanthranilic acid (1965), J. Biol. Chem., 240, 740-749.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Co2+
-
Felis catus
Cu2+
-
Felis catus
Hg2+
-
Felis catus
Ni2+
-
Felis catus
p-chloromercuribenzoate
-
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

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2-aminomuconate-6-semialdehyde + NAD+ + H2O Felis catus metabolism of benzene ring of tryptophan in mammalian tissues 2-aminomuconate + NADH
-
?

Organism

Organism UniProt Comment Textmining
Felis catus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Felis catus

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.0765
-
-
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-aminomuconate-6-semialdehyde + NAD+ + H2O metabolism of benzene ring of tryptophan in mammalian tissues 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
-
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+
-
?

pH Optimum

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

pH Range

pH Minimum pH Maximum Comment Organism
7 9 more than 50% of maximal activity between pH 7 and 9 Felis catus

Cofactor

Cofactor Comment Organism Structure
NAD+ specific for, not replaceable by NADP+ Felis catus