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Literature summary extracted from

  • Melo, A.; Glaser, L.
    Nucleotide diphosphate hexose pyrophosphatases (1966), Biochem. Biophys. Res. Commun., 22, 524-531.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.6.1.21 intracellular inhibitor can be destroyed by heating up to 58°C for a few min, inhibitor is resistant towards RNAse and DNAse and detectable at 280 nm Escherichia coli
3.6.1.21 intracellular inhibitor can be destroyed by heating up to 58°C for a few min, inhibitor is resistant towards RNAse and DNAse and detectable at 280 nm Salmonella weslaco

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.6.1.21 periplasm
-
Escherichia coli
-
-
3.6.1.21 periplasm
-
Salmonella weslaco
-
-

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
3.6.1.21 Mg2+
-
Escherichia coli
3.6.1.21 Mg2+
-
Salmonella weslaco

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.6.1.21 ADP-sugar + H2O Escherichia coli
-
AMP + sugar phosphate
-
?
3.6.1.21 ADP-sugar + H2O Salmonella weslaco
-
AMP + sugar phosphate
-
?

Organism

EC Number Organism UniProt Comment Textmining
3.6.1.21 Escherichia coli
-
-
-
3.6.1.21 Salmonella weslaco
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.6.1.21
-
Escherichia coli

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.6.1.21 0.7
-
ADP-Glc with partially purified enzyme Escherichia coli
3.6.1.21 6.6 7.2 ADP-Glc as substrate Escherichia coli

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.6.1.21 ADP-sugar + H2O
-
Escherichia coli AMP + sugar phosphate
-
?
3.6.1.21 ADP-sugar + H2O
-
Salmonella weslaco AMP + sugar phosphate
-
?

Temperature Range [°C]

EC Number Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
3.6.1.21 58
-
activation of the enzyme by inactivating an intracellular inhibitor Escherichia coli
3.6.1.21 58
-
activation of the enzyme by inactivating an intracellular inhibitor Salmonella weslaco

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.6.1.21 7 8
-
Escherichia coli
3.6.1.21 7 8
-
Salmonella weslaco