2.8.3.12	acetyl-CoA + (E)-glutaconate	involved in glutamate fermentation via hydroxyglutarate pathway, activates glutaconate to glutaconyl-CoA prior to glutaconate decarboxylation	
2.8.3.12	acetyl-CoA + (R)-2-hydroxyglutarate	in the course of glutamate fermentation	
2.8.3.12	acetyl-CoA + (R)-2-hydroxyglutarate	involved in the conversion of (R)-2-hydroxyglutarate to crotonyl-CoA in the pathway of glutamate fermentation	
2.8.3.12	additional information	not involved in the dehydration of (R)-2-hydroxyglutarate to glutaconate