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Literature summary for 1.14.14.21 extracted from

  • Guan, L.J.; Lee, W.C.; Wang, S.; Ohshiro, T.; Izumi, Y.; Ohtsuka, J.; Tanokura, M.
    Crystal structures of apo-DszC and FMN-bound DszC from Rhodococcus erythropolis D-1 (2015), FEBS J., 282, 3126-3135.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
gene dszC, recombinant expression of His-tagged enzyme in Escherichia coli strain Rosetta(DE3) Rhodococcus erythropolis

Crystallization (Commentary)

Crystallization (Comment) Organism
purified recombinant His-tagged enzyme in apoform and as FMN-bound enzyme DszC, two distinct conformations occur in the loop region (residues 131-142) adjacent to the active site, sitting drop vapor diffusion method, mixing of 0.001 ml protein solution with 0.001 ml of reservoir solution consisting of 0.2 M malonate, pH 6.0, 24% w/v PEG 3350, and 50 mM NaF, at 20°C, with or without 1 mM FMN, X-ray diffraction structure determination and analysis at 2.11 A an 2.3 A resolution, respectively, Each crystal contains two tetramers in the asymmetric unit, formed by two homodimers Rhodococcus erythropolis

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
dibenzothiophene + 2 FMNH2 + 2 O2 Rhodococcus erythropolis
-
dibenzothiophene-5,5-dioxide + 2 FMN + 2 H2O
-
?
dibenzothiophene + 2 FMNH2 + 2 O2 Rhodococcus erythropolis D-1
-
dibenzothiophene-5,5-dioxide + 2 FMN + 2 H2O
-
?

Organism

Organism UniProt Comment Textmining
Rhodococcus erythropolis A0A0C6DRW4 gene dszC
-
Rhodococcus erythropolis D-1 A0A0C6DRW4 gene dszC
-

Purification (Commentary)

Purification (Comment) Organism
recombinant His-tagged enzyme from Escherichia coli strain Rosetta(DE3) by nickel affinity and anion exchange chromatography, followed by ultrafiltration Rhodococcus erythropolis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
dibenzothiophene + 2 FMNH2 + 2 O2
-
Rhodococcus erythropolis dibenzothiophene-5,5-dioxide + 2 FMN + 2 H2O
-
?
dibenzothiophene + 2 FMNH2 + 2 O2
-
Rhodococcus erythropolis D-1 dibenzothiophene-5,5-dioxide + 2 FMN + 2 H2O
-
?

Subunits

Subunits Comment Organism
More in the crystal, the homodimeric enzyme forms tetramers from two homodimers, overview Rhodococcus erythropolis

Synonyms

Synonyms Comment Organism
DBT monooxygenase
-
Rhodococcus erythropolis
dszC
-
Rhodococcus erythropolis

Cofactor

Cofactor Comment Organism Structure
FMNH2 enzyme DszC-FMN crystal structure analysis, FMN-binding site, binding structure and mechanism, modeling, overview Rhodococcus erythropolis

General Information

General Information Comment Organism
metabolism the DBT monooxygenase from Rhodococcus erythropolis D-1 is involved in the first two steps of the 4S pathway. The 4S metabolic pathway catalyzes the sequential conversion of DBT to 2'-hydroxybiphenyl via three enzymes encoded by the dsz operon in several bacterial species Rhodococcus erythropolis
additional information C-terminal DBT-binding site by using a molecular docking simulation that simultaneously docks the FMN cofactor and DBT substrate to an apo-DszC structure, role of the C terminus in catalysis Rhodococcus erythropolis