4-aminobutyrate aminotransferase ( ec 2.6.1.19 , 4 aminobutyrate:2-oxoglutarate aminotransferase ) is cleaved by trypsin , yielding an enzymatically active species which can be separated from the split peptides by gel filtration .
C0002543
4-aminobutyrate aminotransferase
C0002594
aminotransferase