Reaction catalyzed by carboxymethylproline synthase (2.3.1.226)
+
+
=
CoA
+
methylmalonyl-CoA
+
(2S,5S)-5-carboxymethylproline
+
CO2
=
CoA
+
(2S,5S,6S)-6-methyl-5-carboxymethylproline
