- Arabidopsis formaldehyde dehydrogenase. Molecular properties of plant class III alcohol dehydrogenase provide further insights into the origins, structure and function of plant class p and liver class I alcohol dehydrogenases. Martínez, M.C., Achkor, H., Persson, B., Fernández, M.R., Shafqat, J., Farrés, J., Jörnvall, H., Parés, X. Eur. J. Biochem. (1996)