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Literature summary for 2.3.1.19 extracted from

  • Wiesenborn, D.P.; Rudolph, F.B.; Papoutsakis, E.T.
    Phosphotransbutyrylase from Clostridium acetobutylicum ATCC 824 and its role in acidogenesis (1989), Appl. Environ. Microbiol., 55, 317-322.
    View publication on PubMedView publication on EuropePMC

Inhibitors

Inhibitors Comment Organism Structure
ADP
-
Clostridium acetobutylicum
AMP
-
Clostridium acetobutylicum
ATP
-
Clostridium acetobutylicum
NADP+
-
Clostridium acetobutylicum
NADPH
-
Clostridium acetobutylicum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.077
-
CoA
-
Clostridium acetobutylicum
0.11
-
butanoyl-CoA
-
Clostridium acetobutylicum
0.14
-
phosphate
-
Clostridium acetobutylicum
0.26
-
Butanoylphosphate
-
Clostridium acetobutylicum

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
31000
-
8 * 31000, SDS-PAGE Clostridium acetobutylicum
264000
-
gel filtration Clostridium acetobutylicum

Organism

Organism UniProt Comment Textmining
Clostridium acetobutylicum
-
strain ATCC 824
-

Purification (Commentary)

Purification (Comment) Organism
-
Clostridium acetobutylicum

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1380
-
-
Clostridium acetobutylicum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
acetyl-CoA + phosphate 1.3% of butanoylphosphate formation Clostridium acetobutylicum acetylphosphate + CoA
-
?
butanoyl-CoA + phosphate
-
Clostridium acetobutylicum butanoylphosphate + CoA
-
?
isobutanoyl-CoA + phosphate 30% of butanoylphosphate formation Clostridium acetobutylicum isobutanoylphosphate + CoA
-
?
isopentanoyl-CoA + phosphate 95% of butanoylphosphate formation Clostridium acetobutylicum isopentanoylphosphate + CoA
-
?
n-pentanoyl-CoA + phosphate 78% of butanoylphosphate formation Clostridium acetobutylicum n-pentanoylphosphate + CoA
-
?
n-propionyl-CoA + phosphate 23% of butanoylphosphate formation Clostridium acetobutylicum n-propionylphosphate + CoA
-
?

Subunits

Subunits Comment Organism
octamer 8 * 31000, SDS-PAGE Clostridium acetobutylicum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
butanoylphosphate formation Clostridium acetobutylicum
8.8
-
butanoyl-CoA formation Clostridium acetobutylicum

pH Range

pH Minimum pH Maximum Comment Organism
6.2 9.5 butanoylphosphate formation, less than 50% of maximal activity above and below Clostridium acetobutylicum
6.8 9.5 butanoyl-CoA formation, less than 50% of maximal activity above and below Clostridium acetobutylicum