reconstitution of the pellet fractions ( containing polypeptide n complexed with the virion rna ) and the supernatant fractions ( containing polypeptides l and ns ) restored transcriptase activity at 31 degrees c in all combinations , but at 39 degrees c transcription was observed only in the presence of the supernatant fractions of wild-type and revertant viruses but not in the presence of the supernatant fractions of tse1 .
C0035668
rna
C0040649
transcription