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Literature summary extracted from

  • Roberts, J.
    Purification and properties of a highly potent antitumor glutaminase-asparaginase from Pseudomonas 7A (1976), J. Biol. Chem., 251, 2119-2123.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.5.1.38 (NH4)2SO4 inhibition above 10 mM Pseudomonas sp.
3.5.1.38 5-Diazo-4-oxo-L-norvaline marked inhibition at 0.1 mM Pseudomonas sp.

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.5.1.38 0.004
-
L-asparagine
-
Pseudomonas sp.
3.5.1.38 0.005
-
L-glutamine
-
Pseudomonas sp.

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.5.1.38 L-asparagine + H2O Pseudomonas sp.
-
L-aspartate + NH3
-
?
3.5.1.38 L-asparagine + H2O Pseudomonas sp. 7A
-
L-aspartate + NH3
-
?
3.5.1.38 L-glutamine + H2O Pseudomonas sp.
-
L-glutamate + NH3
-
?
3.5.1.38 L-glutamine + H2O Pseudomonas sp. 7A
-
L-glutamate + NH3
-
?

Organism

EC Number Organism UniProt Comment Textmining
3.5.1.38 Pseudomonas sp.
-
-
-
3.5.1.38 Pseudomonas sp. 7A
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.5.1.38 to crystalline form, 3step chromatography Pseudomonas sp.

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.5.1.38 cell culture induction of enzyme synthesis by addition of glutamic acid to the medium, glucose inhibits enzyme synthesis Pseudomonas sp.
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.5.1.38 160
-
-
Pseudomonas sp.

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.5.1.38 beta-cyanoalanine + H2O slow hydrolysis rate Pseudomonas sp. alanine + NH3
-
?
3.5.1.38 D-asparagine + H2O
-
Pseudomonas sp. D-aspartate + NH3
-
?
3.5.1.38 D-asparagine + H2O
-
Pseudomonas sp. 7A D-aspartate + NH3
-
?
3.5.1.38 D-glutamine + H2O
-
Pseudomonas sp. D-glutamate + NH3
-
?
3.5.1.38 D-glutamine + H2O
-
Pseudomonas sp. 7A D-glutamate + NH3
-
?
3.5.1.38 gamma-L-glutamyl hydroxylammonium sulfate + H2O same rate as for L-glutamine Pseudomonas sp. L-glutamate + hydroxylammonium sulfate
-
?
3.5.1.38 L-asparagine + H2O
-
Pseudomonas sp. L-aspartate + NH3
-
?
3.5.1.38 L-asparagine + H2O
-
Pseudomonas sp. 7A L-aspartate + NH3
-
?
3.5.1.38 L-glutamine + H2O
-
Pseudomonas sp. L-glutamate + NH3
-
?
3.5.1.38 L-glutamine + H2O higher activity for glutaminase than for asparaginase Pseudomonas sp. L-glutamate + NH3
-
?
3.5.1.38 L-glutamine + H2O
-
Pseudomonas sp. 7A L-glutamate + NH3
-
?
3.5.1.38 L-glutamine + H2O higher activity for glutaminase than for asparaginase Pseudomonas sp. 7A L-glutamate + NH3
-
?
3.5.1.38 succinamic acid + H2O slow hydrolysis rate Pseudomonas sp. succinate + NH3
-
?

pH Range

EC Number pH Minimum pH Maximum Comment Organism
3.5.1.38 6 9
-
Pseudomonas sp.