I just found this article few hours ago. It is a fresh review of the endogenous tryptamines story and somewhat similar to an earlier paper (Endogenous psychoactive tryptamines reconsidered: an anxiolytic role for dimethyltryptamine).

This one gives more focus on the trace amine receptors and it throws in some nice discussion both on potential interaction sites of the endogenous hallucinogens as well as putative affinities for the said substances and their receptors.

Sadly enough there are no data about the binding affinities of dmt, 5-meo-dmt and 5-HO-dmt on their newly discovered putative Trace Amine Receptors. Would make a nice future project though.