5′-Methylthioadenosine is S-methyl derivative of the adenosine. It is an intermediate in the methylthioadenosine (MTA) cycle, also known as the methionine salvage pathway, that is universal to aerobic organisms.
The compounds of every Wikipedia article carrying a Chembox or a Drugbox, refreshed daily, with the values their infoboxes give. The pages need JavaScript; the API does not.