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Literature summary for 1.14.19.59 extracted from

  • Zeng, J.; Zhan, J.
    Characterization of a tryptophan 6-halogenase from Streptomyces toxytricini (2011), Biotechnol. Lett., 33, 1607-1613.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
His6-tagged enzyme is expressed in Escherichia coli RIL Streptomyces toxytricini

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.021
-
L-tryptophan pH 6.0, 28°C Streptomyces toxytricini

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
59000
-
x * 59000, SDS-PAGE Streptomyces toxytricini

Organism

Organism UniProt Comment Textmining
Streptomyces toxytricini E9P162
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Streptomyces toxytricini

Reaction

Reaction Comment Organism Reaction ID
D-tryptophan + FADH2 + chloride + O2 + H+ = 6-chloro-D-tryptophan + FAD + 2 H2O (1) Streptomyces toxytricini
L-tryptophan + FADH2 + chloride + O2 + H+ = 6-chloro-L-tryptophan + FAD + 2 H2O (1) Streptomyces toxytricini

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
D-tryptophan + FADH2 + Cl- + O2 + H+
-
Streptomyces toxytricini 6-chloro-D-tryptophan + FAD + 2 H2O
-
?
L-tryptophan + FADH2 + Br- + O2 + H+
-
Streptomyces toxytricini 6-bromo-L-tryptophan + FAD + 2 H2O
-
?
L-tryptophan + FADH2 + Cl- + O2 + H+
-
Streptomyces toxytricini 6-chloro-L-tryptophan + FAD + 2 H2O
-
?

Subunits

Subunits Comment Organism
? x * 59000, SDS-PAGE Streptomyces toxytricini

Synonyms

Synonyms Comment Organism
sttH
-
Streptomyces toxytricini

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
40
-
-
Streptomyces toxytricini

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
35 45 35°C: about 75% of maximal activity, 45°C: about 75% of maximal activity Streptomyces toxytricini

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
0.0255
-
L-tryptophan pH 6.0, 28°C Streptomyces toxytricini

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6
-
-
Streptomyces toxytricini

pH Range

pH Minimum pH Maximum Comment Organism
5 7 pH 5.0: about 75% of maximal activity, pH 7.0: about 70% of maximal activity Streptomyces toxytricini

kcat/KM [mM/s]

kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
1.2
-
L-tryptophan pH 6.0, 28°C Streptomyces toxytricini