Chemically, an amino acid is a molecule that has a carboxylic acid group and an amine group that are each attached to a carbon atom called the α carbon. Each of the 20 amino acids has a specific ...

Palau'amine, isolated by the Scheuer group 3 from a marine sponge off the coast of Palau — a small island in the western Pacific ocean — was first described in 1993, and may fall into this ...