a heterotypic multienzyme complex from sheep liver containing seven aminoacyl-trna synthetases specific for isoleucine , leucine , methionine , glutamine , glutamic acid , lysine and arginine was subjected to kinetic analyses to examine the possibility that association of these enzymes may impart kinetic properties which differ from those of their unassociated counterparts .
C0017797
glutamine
C0061472
glutamic acid