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Literature summary for 1.3.99.18 extracted from

  • Fetzner, S.; Lingens, F.
    XVIII. Purification and some properties of the molybdenum- and iron-containing quinaldic acid 4-oxidoreductase from Serratia marcescens 2CC-1 (1993), Biol. Chem. Hoppe-Seyler, 374, 363-376.
    View publication on PubMed

General Stability

General Stability Organism
ethylene glycol, 0.1%, Triton X-10, 0.1%, and Tween, 0.01%, inactivate the enzyme within 1-2 days at 4 C Serratia marcescens

Inhibitors

Inhibitors Comment Organism Structure
Cu2+
-
Serratia marcescens
Hg2+
-
Serratia marcescens
KCN
-
Serratia marcescens
methanol
-
Serratia marcescens
Mn2+
-
Serratia marcescens
NaAsO2
-
Serratia marcescens
p-hydroxymercuribenzoate
-
Serratia marcescens

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.085
-
2-(4-iodophenyl)-3-nitrophenyl-5-phenyltetrazolium chloride with quinaldate as cosubstrate Serratia marcescens
1.45
-
Quinaldate with 2-(4-iodophenyl)-3-nitrophenyl-5-phenyltetrazolium chloride as cosubstrate Serratia marcescens

Metals/Ions

Metals/Ions Comment Organism Structure
Iron enzyme contains 2.3-3.7 gatom of iron per mol of enzyme Serratia marcescens
Molybdenum enzyme contains 0.5-0.6 gatom of molybdenum per mol of enzyme Serratia marcescens

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
90000 100000 gel filtration Serratia marcescens

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
Quinaldate + acceptor Serratia marcescens inducible enzyme ?
-
?
Quinaldate + acceptor Serratia marcescens 2CC-1 inducible enzyme ?
-
?

Organism

Organism UniProt Comment Textmining
Serratia marcescens
-
2CC-1
-
Serratia marcescens 2CC-1
-
2CC-1
-

Purification (Commentary)

Purification (Comment) Organism
-
Serratia marcescens

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
64.5
-
-
Serratia marcescens

Storage Stability

Storage Stability Organism
-80°C, 8 days, 25% loss of activity Serratia marcescens
4°C, 8 days, 30% loss of activity Serratia marcescens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
nicotinic acid + acceptor
-
Serratia marcescens 6-hydroxynicotinic acid + reduced acceptor
-
?
nicotinic acid + acceptor
-
Serratia marcescens 2CC-1 6-hydroxynicotinic acid + reduced acceptor
-
?
quinaldate + 2-(4-iodophenyl)-3-nitrophenyl-5-phenyltetrazolium chloride + H2O
-
Serratia marcescens kynurenate + reduced 2-(4-iodophenyl)-3-nitrophenyl-5-phenyltetrazolium chloride
-
r
quinaldate + 2-(4-iodophenyl)-3-nitrophenyl-5-phenyltetrazolium chloride + H2O
-
Serratia marcescens 2CC-1 kynurenate + reduced 2-(4-iodophenyl)-3-nitrophenyl-5-phenyltetrazolium chloride
-
r
quinaldate + acceptor acceptor: K3[Fe(CN)6] Serratia marcescens kynurenate + reduced acceptor
-
?
quinaldate + acceptor acceptors: phenazine methosulfate, medola's blue, cytochrome c, 2-(4-iodophenyl)-3-nitrophenyl-5-phenyltetrazolium chloride Serratia marcescens kynurenate + reduced acceptor
-
?
quinaldate + acceptor acceptor: K3[Fe(CN)6] Serratia marcescens 2CC-1 kynurenate + reduced acceptor
-
?
quinaldate + acceptor acceptors: phenazine methosulfate, medola's blue, cytochrome c, 2-(4-iodophenyl)-3-nitrophenyl-5-phenyltetrazolium chloride Serratia marcescens 2CC-1 kynurenate + reduced acceptor
-
?
Quinaldate + acceptor inducible enzyme Serratia marcescens ?
-
?
Quinaldate + acceptor inducible enzyme Serratia marcescens 2CC-1 ?
-
?

Subunits

Subunits Comment Organism
dimer 1 * 18000-19000, beta, + 1 * 75000-80000, alpha, SDS-PAGE Serratia marcescens

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
70
-
-
Serratia marcescens