Enzyme that produces melatonin originated 500 million years ago, study shows (Phys.org, 27 December 2013)

06 Jan 2014

An international collaboration published in Proceedings of the National Academy of Sciences traces the evolution of the vertebrate and non-vertebrate gene for arylalkylamine N-acetyltransferase (AANAT), an enzyme involved in the final stages of melatonin synthesis.