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Literature summary for 2.3.1.8 extracted from

  • Rado, T.A.; Hoch, J.A.
    Phosphotransacetylase from Bacillus subtilis: purification and physiological studies (1973), Biochim. Biophys. Acta, 321, 114-125.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
ADP inhibitory at 1 mM Bacillus subtilis
AMP inhibitory at 1 mM Bacillus subtilis
ATP inhibitory at 1 mM Bacillus subtilis
Ba2+ 15% inhibition at 1 mM, 76% inhibition at 10 mM Bacillus subtilis
Ca2+ 50% inhibition at 1 mM Bacillus subtilis
Mn2+ 50% inhibition at 1 mM Bacillus subtilis
palmitoyl-CoA competitive Bacillus subtilis

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.058
-
butyryl-CoA
-
Bacillus subtilis
0.06
-
acetyl-CoA
-
Bacillus subtilis
0.15
-
propionyl-CoA
-
Bacillus subtilis

Metals/Ions

Metals/Ions Comment Organism Structure
K+ 3.4fold stimulation at 10 mM Bacillus subtilis
NH4+ 5.2fold stimulation at 10 mM Bacillus subtilis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
90000
-
gel filtration Bacillus subtilis

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
acetyl-CoA + phosphate Bacillus subtilis
-
CoA + acetyl phosphate
-
r

Organism

Organism UniProt Comment Textmining
Bacillus subtilis
-
-
-

Purification (Commentary)

Purification (Comment) Organism
600fold Bacillus subtilis

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1371
-
-
Bacillus subtilis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
acetyl-CoA + phosphate
-
Bacillus subtilis CoA + acetyl phosphate
-
r
acetyl-CoA + phosphate formation of acetyl-CoA is favored Bacillus subtilis CoA + acetyl phosphate
-
r
butyryl-CoA + phosphate
-
Bacillus subtilis CoA + butyryl phosphate
-
?
propionyl-CoA + phosphate
-
Bacillus subtilis CoA + propionyl phosphate
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.6
-
-
Bacillus subtilis