4-aminobutanoate + 2-oxoglutarate => succinate semialdehyde + L-glutamate
4-aminobutanoate + 2-oxoglutarate => succinate semialdehyde + l-glutamate
4-aminobutanoate + 2-oxoglutarate => succinate semialdehyde + L-glutamate
4-aminobutanoate + 2-oxoglutarate => succinate semialdehyde + l-glutamate