4-aminobutanal + L-glutamate => putrescine + 2-oxoglutarate
4-aminobutanal + l-glutamate => putrescine + 2-oxoglutarate
4-aminobutanal + L-glutamate => putrescine + 2-oxoglutarate
4-aminobutanal + l-glutamate => putrescine + 2-oxoglutarate