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Literature summary for 1.1.99.6 extracted from

  • Trautwein, T.; Krauss, F.; Lottspeich, F.; Simon, H.
    The (2R)-hydroxycarboxylate-viologen-oxidoreductase from Proteus vulgaris is a molybdenum-containing iron-sulphur protein (1994), Eur. J. Biochem., 222, 1025-1032.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
KCN 5 mM, 50% inhibition after 7 min, complete inhibition after 1 h Proteus vulgaris

Metals/Ions

Metals/Ions Comment Organism Structure
Molybdenum molybdenum containing enzyme Proteus vulgaris

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
80000
-
x * 80000, probably octamer, SDS-PAGE Proteus vulgaris
180000 600000 gel filtration, native PAGE Proteus vulgaris

Organism

Organism UniProt Comment Textmining
Proteus vulgaris
-
-
-

Oxidation Stability

Oxidation Stability Organism
oxygen-sensitive enzyme, has to be handled in the presence of detergent and absence of oxygen, if stirred under air at room temperatures 50% activity are lost within 30 min, the residual activity has a half-life of 10 h Proteus vulgaris

Purification (Commentary)

Purification (Comment) Organism
DEAE-cellulose, hydroxyapatite, gel filtration Proteus vulgaris

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
270
-
80000 Da form of the enzyme Proteus vulgaris
1800
-
600000 Da form of the enzyme Proteus vulgaris

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
(R)-lactate + acceptor
-
Proteus vulgaris pyruvate + reduced acceptor
-
r
D-gluconate + acceptor
-
Proteus vulgaris 2-oxo-gluconate + reduced acceptor
-
r
D-glucose 6-phosphate + acceptor
-
Proteus vulgaris ?
-
r
N-acetylneuraminate + acceptor
-
Proteus vulgaris ?
-
r
phenylpyruvate + reduced acceptor
-
Proteus vulgaris phenyl-(R)-lactate + acceptor
-
r

Subunits

Subunits Comment Organism
oligomer x * 80000, probably octamer, SDS-PAGE Proteus vulgaris

Cofactor

Cofactor Comment Organism Structure
anthraquinone-2,6-disulfonate artificial electron acceptor Proteus vulgaris
molybdopterin mononucleotide
-
Proteus vulgaris
additional information molybenum-containing Fe-S-enzyme without an additional prosthetic group such as flavin or cytochrome c, enzyme contains one molybdenum, four iron and four sulfur atoms per subunit Proteus vulgaris