Enzymatic synthesis of theanine with L-glutamine-Zn(II) complexes

L-theanine—a unique amino acid of green tea and its relaxation effect in humans

Lekh Raj Juneja · Trends in Food Science & Technology · 1999 · 363 citations

Medicine, Chemistry, Pharmacology +7

Crystal structures of γ-glutamyltranspeptidase from <i>Escherichia coli</i> , a key enzyme in glutathione metabolism, and its reaction intermediate

Toshihiro Okada, Hideyuki Suzuki, Kei Wada et al. · Proceedings of the National Academy of Sciences · 2006 · 168 citations · Full text

Life Sciences, Biochemistry, Molecular Biology +11

Studies on the Chemical Constituents of Tea

Yajirô SAKATO · Nippon Nōgeikagaku Kaishi · 1950 · 145 citations · Full text

Natural Sciences, Biochemistry, Chemistry +10

Enzymatic production of theanine, an “umami” component of tea, from glutamine and ethylamine with bacterial γ-glutamyltranspeptidase

Hideyuki Suzuki, Shunsuke Izuka, Nobukazu Miyakawa et al. · Enzyme and Microbial Technology · 2002 · 108 citations

Life Sciences, Biochemistry, Biotechnology +10

Gamma‐Glutamyl Transpeptidase Substrate Specificity and Catalytic Mechanism

Jeffrey W. Keillor, Roselyne Castonguay, Christian Lherbet · Methods in enzymology on CD-ROM/Methods in enzymology · 2005 · 80 citations

Life Sciences, Biochemistry, Molecular Biology +12