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Literature summary for 4.1.2.9 extracted from

  • Servinsky, M.D.; Germane, K.L.; Liu, S.; Kiel, J.T.; Clark, A.M.; Shankar, J.; Sund, C.J.
    Arabinose is metabolized via a phosphoketolase pathway in Clostridium acetobutylicum ATCC 824 (2012), J. Ind. Microbiol. Biotechnol., 39, 1859-1867.
    View publication on PubMed

Organism

Organism UniProt Comment Textmining
Clostridium acetobutylicum Q97JE3 bi-functional xylulose-5-phosphate/fructose-6-phosphate phosphoketolase
-
Clostridium acetobutylicum DSM 792 Q97JE3 bi-functional xylulose-5-phosphate/fructose-6-phosphate phosphoketolase
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
6.9
-
substrate D-xylulose 5-phosphate, pH 6.5, 37°C Clostridium acetobutylicum
21
-
substrate D-fructose 6-phosphate, pH 6.5, 37°C Clostridium acetobutylicum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
D-Fructose 6-phosphate + phosphate
-
Clostridium acetobutylicum Acetyl phosphate + D-erythrose 4-phosphate + H2O
-
?
D-Fructose 6-phosphate + phosphate
-
Clostridium acetobutylicum DSM 792 Acetyl phosphate + D-erythrose 4-phosphate + H2O
-
?
D-Xylulose 5-phosphate + phosphate
-
Clostridium acetobutylicum Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
?
D-Xylulose 5-phosphate + phosphate
-
Clostridium acetobutylicum DSM 792 Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
?

Expression

Organism Comment Expression
Clostridium acetobutylicum enzymic activity is present in cells grown on arabinose but not glucose and mRNA expression is induced 185fold during growth on arabinose when compared to growth on glucose additional information