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Escherichia coli K-12 substr. MG1655 Reaction: 3.1.3.23

Superclasses: Reactions Classified By Conversion Type Simple Reactions Chemical Reactions
Reactions Classified By Substrate Small-Molecule Reactions

EC Number: 3.1.3.23

Enzymes and Genes:
phosphosugar phosphatase Inferred from experiment : yigL
sugar phosphatase Inferred from experiment : yidA
sugar phosphatase Inferred from experiment : yfbT
sugar phosphatase Inferred from experiment : ybiV

The reaction direction shown, that is, A + B ↔ C + D versus C + D ↔ A + B, is in accordance with the direction in which it was curated.

Mass balance status: Balance undetermined; a substrate lacks a chemical formula

Instance reactions:
α-D-glucose 6-phosphate + H2O → α-D-glucose + phosphate (3.1.3.9/3.1.3.58)

β-D-glucose 6-phosphate + H2O → β-D-glucopyranose + phosphate (3.1.3.9/3.1.3.58)

D-glucopyranose 6-phosphate[periplasmic space] + H2O[periplasmic space] → D-glucopyranose[periplasmic space] + phosphate[periplasmic space] (3.1.3.9/3.1.3.58)

α-D-glucopyranose 1-phosphate + H2O → D-glucopyranose + phosphate (3.1.3.10)

D-ribose 5-phosphate[periplasmic space] + H2O[periplasmic space]aldehydo-D-ribose[periplasmic space] + phosphate[periplasmic space] (3.1.3.-)

a hexose phosphate + H2O = a hexose + phosphate (3.1.3.-)

β-D-fructofuranose 1-phosphate + H2O → β-D-fructofuranose + phosphate (3.1.3.-)

Enzyme Commission Primary Name: sugar-phosphatase

Enzyme Commission Summary:
Has a wide specificity, acting on aldohexose 1-phosphates, ketohexose 1-phosphates, aldohexose 6-phosphates, ketohexose 6-phosphates, both phosphate ester bonds of fructose 1,6-bisphosphate, phosphoric esters of disaccharides, and on pentose and triose phosphates, but at a slower rate.

Citations: [Lee67]

Gene-Reaction Schematic: ?

Gene-Reaction Schematic

Instance reaction of [D-glucopyranose 6-phosphate[periplasmic space] + H2O[periplasmic space] → D-glucopyranose[periplasmic space] + phosphate[periplasmic space]] (3.1.3.9/3.1.3.58):
i1: α-D-glucose 6-phosphate + H2O → α-D-glucose + phosphate (3.1.3.9/3.1.3.58)

Instance reactions of [a sugar phosphate + H2O → a sugar + phosphate] (3.1.3.23):
i2: β-D-glucose 6-phosphate + H2O → β-D-glucopyranose + phosphate (3.1.3.9/3.1.3.58)

i3: D-glucopyranose 6-phosphate[periplasmic space] + H2O[periplasmic space] → D-glucopyranose[periplasmic space] + phosphate[periplasmic space] (3.1.3.9/3.1.3.58)

i4: α-D-glucopyranose 1-phosphate + H2O → D-glucopyranose + phosphate (3.1.3.10)

i5: D-ribose 5-phosphate[periplasmic space] + H2O[periplasmic space]aldehydo-D-ribose[periplasmic space] + phosphate[periplasmic space] (3.1.3.-)

i6: a hexose phosphate + H2O = a hexose + phosphate (3.1.3.-)

i7: β-D-fructofuranose 1-phosphate + H2O → β-D-fructofuranose + phosphate (3.1.3.-)

Relationship Links: BRENDA:EC:3.1.3.23 , ENZYME:EC:3.1.3.23 , IUBMB-ExplorEnz:EC:3.1.3.23


References

Lee67: Lee YP, Sowokinos JR (1967). "Sugar phosphate phosphohydrolase. I. Substrate specificity, intracellular localization, and purification from Neisseria meningitidis." J Biol Chem 242(9);2264-71. PMID: 4290224


Report Errors or Provide Feedback
Please cite the following article in publications resulting from the use of EcoCyc: Nucleic Acids Research 41:D605-12 2013
Page generated by SRI International Pathway Tools version 19.0 on Sat Aug 29, 2015, BIOCYC14A.