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Literature summary for 3.5.1.2 extracted from

  • Watford, M.; Wu, G.
    Glutamine metabolism in uricotelic species: variation in skeletal muscle glutamine synthetase, glutaminase, glutamine levels and rates of protein synthesis (2005), Comp. Biochem. Physiol. B, 140B, 607-614.
No PubMed abstract available

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
L-glutamine + H2O Gallus gallus
-
L-glutamate + NH3
-
?
L-glutamine + H2O Columba livia
-
L-glutamate + NH3
-
?
L-glutamine + H2O Sceloporus undulatus
-
L-glutamate + NH3
-
?

Organism

Organism UniProt Comment Textmining
Columba livia
-
-
-
Gallus gallus
-
male White Leghorn chicken
-
Sceloporus undulatus
-
lizard
-

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Sceloporus undulatus
-
liver moderate enzyme activity Gallus gallus
-
liver moderate enzyme activity Columba livia
-
skeletal muscle leg muscle Sceloporus undulatus
-
skeletal muscle high activity in breast muscle, low activity in leg muscle Gallus gallus
-
skeletal muscle moderate activity in breast muscle, very low activity in leg muscle Columba livia
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
tissue-specific enzyme activity, concentrations of free amino acids in muscles and plasma, overview Columba livia
additional information
-
tissue-specific enzyme activity, concentrations of free amino acids in muscles and plasma, overview Sceloporus undulatus
additional information
-
tissue-specific enzyme activity, concentrations of free amino acids in muscles and plasma, overview, glutamine concentrations in plasma of fed and starved chicken do not differ Gallus gallus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-glutamine + H2O
-
Gallus gallus L-glutamate + NH3
-
?
L-glutamine + H2O
-
Columba livia L-glutamate + NH3
-
?
L-glutamine + H2O
-
Sceloporus undulatus L-glutamate + NH3
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
38
-
assay at Gallus gallus
38
-
assay at Columba livia
38
-
assay at Sceloporus undulatus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
assay at Gallus gallus
7
-
assay at Columba livia
7
-
assay at Sceloporus undulatus