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Literature summary for 1.13.11.15 extracted from

  • Groce, S.L.; Miller-Rodeberg, M.A.; Lipscomb, J.D.
    Single-turnover kinetics of homoprotocatechuate 2,3-dioxygenase (2004), Biochemistry, 43, 15141-15153.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.015
-
4-nitrocatechol pH 7.5, 22°C Brevibacterium fuscum
0.025
-
3,4-Dihydroxyphenylacetate pH 7.5, 22°C Brevibacterium fuscum

Metals/Ions

Metals/Ions Comment Organism Structure
Fe2+
-
Brevibacterium fuscum

Organism

Organism UniProt Comment Textmining
Brevibacterium fuscum
-
-
-

Reaction

Reaction Comment Organism Reaction ID
3,4-dihydroxyphenylacetate + O2 = 2-hydroxy-5-carboxymethylmuconate semialdehyde substrate binding occurs in a four-step process, transient intermediates and mechanism Brevibacterium fuscum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3,4-dihydroxyphenylacetate + O2
-
Brevibacterium fuscum 2-hydroxy-5-carboxymethyl-cis,cis-muconate semialdehyde
-
?
4-nitrocatechol + O2
-
Brevibacterium fuscum ? cleavage in proximal extradiol position ?

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
0.05
-
4-nitrocatechol pH 7.5, 4°C Brevibacterium fuscum
0.4
-
4-nitrocatechol pH 7.5, 22°C Brevibacterium fuscum
3.2
-
3,4-Dihydroxyphenylacetate pH 7.5, 4°C Brevibacterium fuscum
10
-
3,4-Dihydroxyphenylacetate pH 7.5, 22°C Brevibacterium fuscum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.9
-
substrate 4-nitrocatechol Brevibacterium fuscum
8.4
-
substrate 3,4-dihydroxyphenylacetate Brevibacterium fuscum