Reaction: ATP + L-glutamate + ethylamine = ADP + phosphate + N5-ethyl-L-glutamine
Other name(s): N5-ethyl-L-glutamine synthetase; theanine synthetase; N5-ethylglutamine synthetase
Systematic name: L-glutamate:ethylamine ligase (ADP-forming)
Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number: 62213-31-4
References:
1. Sasaoka, K. and Kito, M. Synthesis of theanine by tea seedling homogenate. Agric. Biol. Chem. 28 (1964) 313-317.
2. Sasaoka, K., Kito, M. and Inagaki, H. Studies on the biosynthesis of theanine in tea seedlings. Synthesis of theanine by the homogenate of tea seedlings. Agric. Biol. Chem. 27 (1963) 467-468.
3. Sasaoka, K., Kito, M. and Onishi, Y. Some properties of the theanine synthesizing enzyme in tea seedlings. Agric. Biol. Chem. 29 (1965) 984-988.