at ph 8.0 aspartate aminotransferase ( l-aspartate:2-oxoglutarate aminotransferase , ec 2.6.1.1 ) reacts with the modified substrate , erythro-beta-hydroxy-l-aspartate , to form a mixture of enzyme-substrate complexes absorbing at 492 nm .
C0004002
aspartate aminotransferase
C0002594
aminotransferase