4.1.2.9: phosphoketolase
This is an abbreviated version!
For detailed information about phosphoketolase, go to the full flat file.
Word Map on EC 4.1.2.9
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4.1.2.9
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pentose
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xylose
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heterofermentative
-
fructose-6-phosphate
-
leuconostoc
-
bifidobacteria
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phosphotransacetylase
-
biotechnology
-
embden-meyerhof-parnas
-
heterolactic
-
bifid
-
synthesis
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xylulokinase
-
acetylphosphate
-
erythrose
-
acetyl-coa-derived
-
bifidobacteriaceae
-
industry
-
pharmacology
-
biofuel production
- 4.1.2.9
- pentose
- xylose
-
heterofermentative
- fructose-6-phosphate
- leuconostoc
-
bifidobacteria
- phosphotransacetylase
- biotechnology
-
embden-meyerhof-parnas
-
heterolactic
-
bifid
- synthesis
- xylulokinase
- acetylphosphate
- erythrose
-
acetyl-coa-derived
- bifidobacteriaceae
- industry
- pharmacology
- biofuel production
Reaction
Synonyms
CAC1343, D-xylulose 5-phosphate phosphoketolase, D-Xylulose-5-phosphate D-glyceraldehyde-3-phosphate-lyase, D-Xylulose-5-phosphate phosphoketolase, FXPK, Pentulose-5-phosphate phosphoketolase, PhK, phosphoketolase, phosphoketolase-1, phosphoketolase-2, PKT, Pu5PPK, slr0453, X5P/F6P phosphoketolase, X5PPK, Xfp, XFPK, XPK, XpkA, xylulose-5-phosphate phosphoketolase, xylulose-5-phosphate/fructose-6-phosphate phosphoketolase
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Substrates Products
Substrates Products on EC 4.1.2.9 - phosphoketolase
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REACTION DIAGRAM
D-fructose 6-phosphate + phosphate
?
-
-
?
Acetyl phosphate + D-erythrose 4-phosphate + H2O
-
-
-
-
?
D-Fructose 6-phosphate + phosphate
Acetyl phosphate + D-erythrose 4-phosphate + H2O
-
-
-
?
D-Fructose 6-phosphate + phosphate
Acetyl phosphate + D-erythrose 4-phosphate + H2O
-
-
-
?
D-Fructose 6-phosphate + phosphate
Acetyl phosphate + D-erythrose 4-phosphate + H2O
the bifunctional enzyme shows activity with D-fructose 6-phosphate and D-xylulose 5-phosphate. It displays substantially higher preference for D-xylulose 5-phosphate than for D-fructose 6-phosphate
-
-
?
D-Fructose 6-phosphate + phosphate
Acetyl phosphate + D-erythrose 4-phosphate + H2O
Bifidobacterium animalis subsp. lactis DSM 101403
the bifunctional enzyme shows activity with D-fructose 6-phosphate and D-xylulose 5-phosphate. It displays substantially higher preference for D-xylulose 5-phosphate than for D-fructose 6-phosphate
-
-
?
D-Fructose 6-phosphate + phosphate
Acetyl phosphate + D-erythrose 4-phosphate + H2O
-
-
-
?
D-Fructose 6-phosphate + phosphate
Acetyl phosphate + D-erythrose 4-phosphate + H2O
the bifunctional enzyme shows activity with D-fructose 6-phosphate and D-xylulose 5-phosphate
-
-
?
D-Fructose 6-phosphate + phosphate
Acetyl phosphate + D-erythrose 4-phosphate + H2O
-
-
-
?
D-Fructose 6-phosphate + phosphate
Acetyl phosphate + D-erythrose 4-phosphate + H2O
-
the enzyme has higher activity with D-xylulose 5-phosphate than D-fructose 6-phosphate
-
-
?
D-Fructose 6-phosphate + phosphate
Acetyl phosphate + D-erythrose 4-phosphate + H2O
-
the specificity constant for D-xylulose 5-phosphate is significantly higher than that for D-fructose 6-phosphate
-
-
?
D-Fructose 6-phosphate + phosphate
Acetyl phosphate + D-erythrose 4-phosphate + H2O
-
the enzyme has higher activity with D-xylulose 5-phosphate than D-fructose 6-phosphate
-
-
?
D-Fructose 6-phosphate + phosphate
Acetyl phosphate + D-erythrose 4-phosphate + H2O
-
the specificity constant for D-xylulose 5-phosphate is significantly higher than that for D-fructose 6-phosphate
-
-
?
D-Fructose 6-phosphate + phosphate
Acetyl phosphate + D-erythrose 4-phosphate + H2O
the bifunctional enzyme shows activity with D-fructose 6-phosphate and D-xylulose 5-phosphate. It displays substantially higher preference for D-xylulose 5-phosphate than for D-fructose 6-phosphate
-
-
?
D-Fructose 6-phosphate + phosphate
Acetyl phosphate + D-erythrose 4-phosphate + H2O
the bifunctional enzyme shows activity with D-fructose 6-phosphate and D-xylulose 5-phosphate. It displays substantially higher preference for D-xylulose 5-phosphate than for D-fructose 6-phosphate
-
-
?
D-Fructose 6-phosphate + phosphate
Acetyl phosphate + D-erythrose 4-phosphate + H2O
-
the bifunctional enzyme shows activity with fructose-6-phosphate and D-xylulose 5-phosphate. It displays substantially higher preference for D-xylulose 5-phosphate than for fructose-6-phosphate
-
-
?
D-Fructose 6-phosphate + phosphate
Acetyl phosphate + D-erythrose 4-phosphate + H2O
-
the bifunctional enzyme shows activity with fructose-6-phosphate and D-xylulose 5-phosphate. It displays substantially higher preference for D-xylulose 5-phosphate than for fructose-6-phosphate
-
-
?
D-Fructose 6-phosphate + phosphate
Acetyl phosphate + D-erythrose 4-phosphate + H2O
the bifunctional enzyme shows activity with D-fructose 6-phosphate and D-xylulose 5-phosphate. It displays substantially higher preference for D-xylulose 5-phosphate than for D-fructose 6-phosphate
-
-
?
acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-ribulose 5-phosphate + phosphate
acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-ribulose 5-phosphate + phosphate
acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-ribulose 5-phosphate + phosphate
acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-ribulose 5-phosphate + phosphate
acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-ribulose 5-phosphate + phosphate
acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
acetyl phosphate + D-glyceraldehyde 3-phosphate
-
-
-
-
?
D-xylulose 5-phosphate + phosphate
acetyl phosphate + D-glyceraldehyde 3-phosphate
-
-
-
?
D-xylulose 5-phosphate + phosphate
acetyl phosphate + D-glyceraldehyde 3-phosphate
-
-
?
D-xylulose 5-phosphate + phosphate
acetyl phosphate + D-glyceraldehyde 3-phosphate
-
-
?
D-xylulose 5-phosphate + phosphate
acetyl phosphate + D-glyceraldehyde 3-phosphate
-
-
?
D-xylulose 5-phosphate + phosphate
acetyl phosphate + D-glyceraldehyde 3-phosphate
-
-
-
-
?
D-xylulose 5-phosphate + phosphate
acetyl phosphate + D-glyceraldehyde 3-phosphate
-
most specific substrate
-
-
?
D-xylulose 5-phosphate + phosphate
acetyl phosphate + D-glyceraldehyde 3-phosphate
-
most specific substrate
-
-
?
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
ir
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
the bifunctional enzyme also shows D-fructose 6-phosphate phosphoketolase activity
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
AJD88698.1
the bifunctional enzyme also shows D-fructose 6-phosphate phosphoketolase activity
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
the bifunctional enzyme shows activity with D-fructose 6-phosphate and D-xylulose 5-phosphate. It displays substantially higher preference for D-xylulose 5-phosphate than for D-fructose 6-phosphate
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
Bifidobacterium animalis subsp. lactis DSM 101403
the bifunctional enzyme shows activity with D-fructose 6-phosphate and D-xylulose 5-phosphate. It displays substantially higher preference for D-xylulose 5-phosphate than for D-fructose 6-phosphate
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
the bifunctional enzyme also shows fructose-6-phosphate phosphoketolase activity
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
KHD36088.1
the bifunctional enzyme also shows D-fructose 6-phosphate phosphoketolase activity
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
the bifunctional enzyme shows activity with D-fructose 6-phosphate and D-xylulose 5-phosphate
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
Kluyveromyces phaseolosporus
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
Kluyveromyces phaseolosporus 108
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
KRU18827.1, KRU19755.1
the bifunctional enzyme also shows D-fructose 6-phosphate phosphoketolase activity
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
the specificity constant for D-xylulose 5-phosphate is significantly higher than that for D-fructose 6-phosphate
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
the specificity constant for D-xylulose 5-phosphate is significantly higher than that for D-fructose 6-phosphate
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
the bifunctional enzyme shows activity with D-fructose 6-phosphate and D-xylulose 5-phosphate. It displays substantially higher preference for D-xylulose 5-phosphate than for fructose-6-phosphate
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
the bifunctional enzyme shows activity with D-fructose 6-phosphate and D-xylulose 5-phosphate. It displays substantially higher preference for D-xylulose 5-phosphate than for fructose-6-phosphate
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
the bifunctional enzyme also shows fructose-6-phosphate phosphoketolase activity
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
the bifunctional enzyme shows activity with fructose-6-phosphate and D-xylulose 5-phosphate. It displays substantially higher preference for D-xylulose 5-phosphate than for fructose-6-phosphate
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
the bifunctional enzyme shows activity with fructose-6-phosphate and D-xylulose 5-phosphate. It displays substantially higher preference for D-xylulose 5-phosphate than for fructose-6-phosphate
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
Limosilactobacillus reuteri DSM 200160
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
the phosphoketolase pathway functions in heterofermentative bacteria where carbon flux through two sugar catabolic pathways to mixed acids (lactic acid and acetic acid) increases cellular ATP production. This pathway also serves as an alternative route to produce acetyl-CoA that bypasses the CO2 lost through pyruvate decarboxylation in the Embden-Meyerhof-Parnas pathway
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
the phosphoketolase pathway functions in heterofermentative bacteria where carbon flux through two sugar catabolic pathways to mixed acids (lactic acid and acetic acid) increases cellular ATP production. This pathway also serves as an alternative route to produce acetyl-CoA that bypasses the CO2 lost through pyruvate decarboxylation in the Embden-Meyerhof-Parnas pathway
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
the bifunctional enzyme shows activity with D-fructose 6-phosphate and D-xylulose 5-phosphate. It displays substantially higher preference for D-xylulose 5-phosphate than for D-fructose 6-phosphate
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
D-Xylulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate + H2O
-
-
-
-
?
Acetyl phosphate + D-glyceraldehyde 3-phosphate
-
approximately the same activity as with D-xylulose 5-phosphate
-
-
?
Ribulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate
-
approximately the same activity as with D-xylulose 5-phosphate
-
-
?
Ribulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate
-
no activity
-
-
?
Ribulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate
-
approximately the same activity as with D-xylulose 5-phosphate
-
-
?
Ribulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate
-
approximately the same activity as with D-xylulose 5-phosphate
-
-
?
Ribulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate
-
higher activity than with D-xylulose 5-phosphate
-
-
?
Ribulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate
-
approximately the same activity as with D-xylulose 5-phosphate
-
-
?
Ribulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate
-
about 50% of the activity with D-xylulose 5-phosphate
-
-
?
Ribulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate
-
approximately the same activity as with D-xylulose 5-phosphate
-
-
?
Ribulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate
-
higher activity than with D-xylulose 5-phosphate
-
-
?
Ribulose 5-phosphate + phosphate
Acetyl phosphate + D-glyceraldehyde 3-phosphate
-
higher activity than with D-xylulose 5-phosphate
-
-
?
?
-
-
enzyme of the phosphoketolase pathway
-
?
additional information
?
-
-
enzyme is involved in pentose fermentation
-
-
?
additional information
?
-
-
enzyme of the pentose phosphate pathway
-
-
?
additional information
?
-
-
contribution of phosphoketolase to glucose catabolism is only slight
-
-
?
additional information
?
-
-
enzyme is involved in the pathway of glucose catabolism
-
-
?