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Literature summary for 6.2.1.13 extracted from

  • Sanchez, L.B.; Muller, M.
    Purification and characterization of the acetate forming enzyme, acetyl-CoA synthetase (ADP-forming) from the amitochondriate protist, Giardia lamblia (1996), FEBS Lett., 378, 240-244.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.02
-
CoA acetyl-CoA Giardia intestinalis
0.23
-
ADP
-
Giardia intestinalis
1.09
-
dADP
-
Giardia intestinalis

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+ can replace Mg2+ in activition, with 15% of the efficiency Giardia intestinalis
Mg2+ required Giardia intestinalis
Mg2+ Km: 0.59 Giardia intestinalis
Mn2+ can replace Mg2+ in activation Giardia intestinalis

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
ADP + phosphate + acetyl-CoA Giardia intestinalis
-
?
-
?

Organism

Organism UniProt Comment Textmining
Giardia intestinalis
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Giardia intestinalis

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
178
-
-
Giardia intestinalis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ADP + phosphate + acetyl-CoA reverse reaction not detected Giardia intestinalis ATP + acetate + CoA
-
?
ADP + phosphate + acetyl-CoA
-
Giardia intestinalis ?
-
?
ADP + phosphate + butyryl-CoA no activity with n-butyryl-CoA Giardia intestinalis ATP + butyrate + CoA
-
?
ADP + phosphate + propionyl-CoA 39% of the activity relative to acetyl-CoA Giardia intestinalis ATP + propionate + CoA
-
?
ADP + phosphate + succinyl-CoA 30% of the activity relative to acetyl-CoA Giardia intestinalis ATP + succinate + CoA
-
?
dADP + phosphate + acetyl-CoA 40% of the activity relative to ADP Giardia intestinalis dATP + acetate + CoA
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.2
-
-
Giardia intestinalis