acceptor

A compound that will take up a chemical group (e.g., an amine group, a methyl group, a carbamoyl group) from another compound (the donor); under the action of alanine transaminase, L-glutamic acid is an amine donor while pyruvic acid is an amine acceptor.

Origin

[L. ac-cipio, pp. -ceptus, to accept]

hydrogen acceptor