Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta; Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae; asterids; lamiids; Gentianales; Rubiaceae; Ixoroideae; Gardenieae complex; Bertiereae - Coffeeae clade; Coffeeae; Coffea

Ogawa M, Herai Y, Koizumi N, Kusano T, Sano H

7-Methylxanthine methyltransferase of coffee plants. Gene isolation and enzymatic properties.

J Biol Chem 276:8213-8 (2001)
DOI:10.1074/jbc.M009480200

Mizuno K, Kato M, Irino F, Yoneyama N, Fujimura T, Ashihara H

The first committed step reaction of caffeine biosynthesis: 7-methylxanthosine synthase is closely homologous to caffeine synthases in coffee (Coffea arabica L.).

FEBS Lett 547:56-60 (2003)
DOI:10.1016/S0014-5793(03)00670-7

Uefuji H, Ogita S, Yamaguchi Y, Koizumi N, Sano H

Molecular cloning and functional characterization of three distinct N-methyltransferases involved in the caffeine biosynthetic pathway in coffee plants.

Plant Physiol 132:372-80 (2003)
DOI:10.1104/pp.102.019679