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Literature summary for 6.2.1.3 extracted from

  • Reddy, T.S.; Sprecher, H.; Bazan, N.G.
    Long-chain acyl-coenzyme A synthetase from rat liver brain microsomes. Kinetic studies using [1-14C]docosahexaenoic acid substrate (1984), Eur. J. Biochem., 145, 21-29.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
Triton X-100 enhances activity Rattus norvegicus

General Stability

General Stability Organism
36% loss of activity after freezing and thawing Rattus norvegicus

Inhibitors

Inhibitors Comment Organism Structure
arachidonate
-
Rattus norvegicus
docosahexaenoate unlabeled, inhibition of docosahexaenoate activation Rattus norvegicus
fatty acids saturated fatty acids do not inhibit activation of docosahexaenoate or palmitate. Unsaturated fatty acids, except nervonic acid, inhibit the activation of docosahexaenoate acid. Moderate inhibition by oleate, linoleate, eicosapentanoate, and palmitate Rattus norvegicus
Hg2+
-
Rattus norvegicus
Pb2+
-
Rattus norvegicus
SDS
-
Rattus norvegicus
sodium deoxycholate
-
Rattus norvegicus
Triton X-100 slight inhibition when incubated with microsomes at 0°C for 30 min Rattus norvegicus
Zwittergent 3-12 inhibition below the critical micellar concentration, 0.12%. below this concentrations no inhibition Rattus norvegicus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.00488
-
CoA
-
Rattus norvegicus
0.185
-
ATP
-
Rattus norvegicus

Localization

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

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ required Rattus norvegicus
Mg2+ Km: 0.555 mM Rattus norvegicus

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
brain
-
Rattus norvegicus
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + docosahexaenoate + CoA
-
Rattus norvegicus AMP + diphosphate + docosahexaenoyl-CoA
-
?
ATP + palmitate + CoA
-
Rattus norvegicus AMP + diphosphate + palmitoyl-CoA
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
45
-
-
Rattus norvegicus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
37
-
half-life is 26.5 min Rattus norvegicus
45
-
half-life: 3.3 min Rattus norvegicus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
-
Rattus norvegicus