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Literature summary for 1.14.19.1 extracted from

  • Strittmatter, P.; Spatz, L.; Corcoran, D.; Rogers, M.J.; Setlow, B.; Redline, R.
    Purification and properties of rat liver microsomal stearyl coenzyme A desaturase (1974), Proc. Natl. Acad. Sci. USA, 71, 4565-4569.
    View publication on PubMedView publication on EuropePMC

Activating Compound

Activating Compound Comment Organism Structure
cytochrome b5 reductase NADH-specific, required, EC 1.6.2.2 Rattus norvegicus

General Stability

General Stability Organism
rapid isolation of enzyme and storage at -70°C is required Rattus norvegicus

Inhibitors

Inhibitors Comment Organism Structure
CN- complete and reversible inhibition at 0.5 mM Rattus norvegicus

Localization

Localization Comment Organism GeneOntology No. Textmining
microsome
-
Rattus norvegicus
-
-

Metals/Ions

Metals/Ions Comment Organism Structure
Fe2+ contains one atom of non-heme iron per enzyme molecule, catalytic function Rattus norvegicus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
53000
-
x * 53000, disc-gel electrophoresis Rattus norvegicus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
stearoyl-CoA + AH2 + O2 Rattus norvegicus
-
oleoyl-CoA + A + H2O
-
?
stearoyl-CoA + AH2 + O2 Rattus norvegicus Long-Evans
-
oleoyl-CoA + A + H2O
-
?

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
Long-Evans
-
Rattus norvegicus Long-Evans
-
Long-Evans
-

Posttranslational Modification

Posttranslational Modification Comment Organism
phospholipoprotein tightly bound phospholipid is removed during purification Rattus norvegicus

Purification (Commentary)

Purification (Comment) Organism
preparation of 11 fractions, ion-exchange, gel filtration Rattus norvegicus

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Rattus norvegicus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.24 0.36
-
Rattus norvegicus

Storage Stability

Storage Stability Organism
enzyme cannot be stored overnight without loss of 20-50% of activity before fraction 5 Rattus norvegicus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
stearoyl-CoA + AH2 + O2
-
Rattus norvegicus oleoyl-CoA + A + H2O
-
?
stearoyl-CoA + AH2 + O2
-
Rattus norvegicus Long-Evans oleoyl-CoA + A + H2O
-
?
stearoyl-CoA + NADH + O2 terminal component in the enzyme system Rattus norvegicus oleoyl-CoA + NAD+ + H2O
-
?
stearoyl-CoA + NADH + O2 terminal component in the enzyme system Rattus norvegicus Long-Evans oleoyl-CoA + NAD+ + H2O
-
?

Subunits

Subunits Comment Organism
? x * 53000, disc-gel electrophoresis Rattus norvegicus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
25
-
-
Rattus norvegicus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
32
-
30 min, 70-80% of activity Rattus norvegicus

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
0.35
-
stearoyl-CoA 25°C Rattus norvegicus

Cofactor

Cofactor Comment Organism Structure
cytochrome b5 required Rattus norvegicus
additional information phospholipid is required Rattus norvegicus
NADH dependent Rattus norvegicus