Which statement is incorrect about aminoacyl-t RNA synthetases
1
There are two classes of (Aminoacyl-tRNA synthetases), aaRS distinguished by the fold of their catalytic domains,
2
The Class 1 catalytic domains does not contain a Rossmann fold
3
Both classes of the aaRS are in general multi domain proteins.
4
The Class I Aminoacyl-tRNA synthetases, couple the Aminoacyl to the 2′-hydroxyl of the tRNA acceptor stem,
5
Question Not Attempted