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Literature summary for 4.1.2.9 extracted from

  • Ratledge, C.; Holdsworth, J.E.
    Properties of a pentulose-5-phosphate phosphoketolase from yeasts grown on xylose (1985), Appl. Microbiol. Biotechnol., 22, 217-221.
No PubMed abstract available

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.4
-
D-xylulose 5-phosphate
-
Debaryomyces hansenii

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
50000
-
gel filtration Debaryomyces hansenii

Organism

Organism UniProt Comment Textmining
Cutaneotrichosporon curvatum
-
-
-
Debaryomyces hansenii
-
-
-
Lipomyces starkeyi
-
-
-
Pachysolen tannophilus
-
-
-
Priceomyces medius
-
-
-
Rhodotorula glutinis
-
-
-
Rhodotorula toruloides
-
-
-
Yarrowia lipolytica
-
-
-
[Candida] boidinii
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Debaryomyces hansenii

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.152
-
activity with ribulose 5-phosphate Debaryomyces hansenii
0.591
-
activity with xylulose 5-phosphate Debaryomyces hansenii

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
D-Xylulose 5-phosphate + phosphate
-
Yarrowia lipolytica Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
?
D-Xylulose 5-phosphate + phosphate
-
[Candida] boidinii Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
?
D-Xylulose 5-phosphate + phosphate
-
Lipomyces starkeyi Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
?
D-Xylulose 5-phosphate + phosphate
-
Rhodotorula glutinis Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
?
D-Xylulose 5-phosphate + phosphate
-
Rhodotorula toruloides Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
?
D-Xylulose 5-phosphate + phosphate
-
Pachysolen tannophilus Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
?
D-Xylulose 5-phosphate + phosphate
-
Cutaneotrichosporon curvatum Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
?
D-Xylulose 5-phosphate + phosphate
-
Debaryomyces hansenii Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
?
D-Xylulose 5-phosphate + phosphate
-
Priceomyces medius Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
?
Ribulose 5-phosphate + phosphate about 50% of the activity with D-xylulose 5-phosphate Rhodotorula toruloides Acetyl phosphate + D-glyceraldehyde 3-phosphate
-
?
Ribulose 5-phosphate + phosphate higher activity than with D-xylulose 5-phosphate Yarrowia lipolytica Acetyl phosphate + D-glyceraldehyde 3-phosphate
-
?
Ribulose 5-phosphate + phosphate higher activity than with D-xylulose 5-phosphate [Candida] boidinii Acetyl phosphate + D-glyceraldehyde 3-phosphate
-
?
Ribulose 5-phosphate + phosphate higher activity than with D-xylulose 5-phosphate Priceomyces medius Acetyl phosphate + D-glyceraldehyde 3-phosphate
-
?
Ribulose 5-phosphate + phosphate approximately the same activity as with D-xylulose 5-phosphate Lipomyces starkeyi Acetyl phosphate + D-glyceraldehyde 3-phosphate
-
?
Ribulose 5-phosphate + phosphate approximately the same activity as with D-xylulose 5-phosphate Rhodotorula glutinis Acetyl phosphate + D-glyceraldehyde 3-phosphate
-
?
Ribulose 5-phosphate + phosphate approximately the same activity as with D-xylulose 5-phosphate Rhodotorula toruloides Acetyl phosphate + D-glyceraldehyde 3-phosphate
-
?
Ribulose 5-phosphate + phosphate approximately the same activity as with D-xylulose 5-phosphate Pachysolen tannophilus Acetyl phosphate + D-glyceraldehyde 3-phosphate
-
?
Ribulose 5-phosphate + phosphate approximately the same activity as with D-xylulose 5-phosphate Cutaneotrichosporon curvatum Acetyl phosphate + D-glyceraldehyde 3-phosphate
-
?
Ribulose 5-phosphate + phosphate approximately the same activity as with D-xylulose 5-phosphate Debaryomyces hansenii Acetyl phosphate + D-glyceraldehyde 3-phosphate
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.2 7.4
-
Yarrowia lipolytica
7.2 7.4
-
[Candida] boidinii
7.2 7.4
-
Lipomyces starkeyi
7.2 7.4
-
Rhodotorula glutinis
7.2 7.4
-
Rhodotorula toruloides
7.2 7.4
-
Pachysolen tannophilus
7.2 7.4
-
Cutaneotrichosporon curvatum
7.2 7.4
-
Debaryomyces hansenii
7.2 7.4
-
Priceomyces medius

pH Range

pH Minimum pH Maximum Comment Organism
6.4 8.2 about 50% of maximal activity at pH 6.4 and 8.2 Debaryomyces hansenii