Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 6.3.1.6 extracted from

  • Sasaoka, K.; Kito, M.; Onishi, Y.
    Some properties of the theanine synthesizing enzyme in tea seedlings (1965), Agric. Biol. Chem., 29, 984-988.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
beta-Alanine weak Camellia sinensis
beta-phenylethylamine
-
Camellia sinensis
Diaminobutane weak Camellia sinensis
Diaminoethane weak Camellia sinensis
ethanolamine weak Camellia sinensis
Isobutylamine
-
Camellia sinensis
Isopropylamine
-
Camellia sinensis
L-alpha-alanine weak Camellia sinensis
n-butylamine
-
Camellia sinensis
n-Propylamine
-
Camellia sinensis
NH4+ 0.5 mM, complete inhibition Camellia sinensis

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.31
-
ethylamine
-
Camellia sinensis
0.67
-
ATP
-
Camellia sinensis
4.6
-
L-Glu
-
Camellia sinensis

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ required Camellia sinensis
Mn2+ less effective than Mg2+ in activation Camellia sinensis

Organism

Organism UniProt Comment Textmining
Camellia sinensis
-
tea
-

Source Tissue

Source Tissue Comment Organism Textmining
seedling
-
Camellia sinensis
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + L-glutamate + ethylamine
-
Camellia sinensis ADP + phosphate + N5-ethyl-L-glutamine i.e. theanine ?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
-
Camellia sinensis

pH Range

pH Minimum pH Maximum Comment Organism
6.5 8.5 6.5: about 25% of maximal activity, 8.5: about 45% of maximal activity Camellia sinensis