quaternary ammonium group binding
quaternary amine binding
exact
Binding to a quaternary ammonium group, including glycine betaine, choline, carnitine and proline. A quaternary ammonium group is any compound that can be regarded as derived from ammonium hydroxide or an ammonium salt by replacement of all four hydrogen atoms of the NH4+ ion by organic groups.
GO:0036094
small molecule binding
is_a
SPCC1827.02c SPBC3H7.03c SPBC725.04 SPAC186.09 SPAC13A11.06 SPAC1F8.07c SPBP35G2.07 SPAC3G9.11c