of the aminoacyl-trna synthetases examined , alanyl- , arginyl- , aspartyl- , leucyl- and lysyl-trna synthetases were not inactivated by chromatography on deae-cellulose , whereas phenylalanyl- and seryl-trna synthetases lost 60 % of their activity .
C0002529
aminoacyl-trna
C0036843
seryl-trna synthetases