Although the RNase P complex also exists in eukaryotic organisms , his later work revealed that in those organisms , the protein subunits of the complex are essential to the catalytic activity , in contrast to the bacterial RNase P. Altman was elected a Fellow of the American Academy of Arts and Sciences in 1988 .
Although the RNase P complex also exists in eukaryotic organisms , Altman 's later work showed that in eukaryotes the protein subunits are essential to the catalytic activity , in contrast to the bacterial RNase P.