id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cord-305290-xnjwv0d7	Atkins, John F.	Ribosome gymnastics—Degree of difficulty 9.5, style 10.0	1990-08-10		.txt	text/plain	8002	330	57	Coronaviruses use a combination of the above slippery sequences, namely U UUA AAC, for their frameshifting (Brierley et al., 1987 (Brierley et al., , 1989 Bredenbeek et al., 1990) . The involvement of a pseudoknot has been inferred for another coronavirus, mouse hepatitis virus (Bredenbeek et al., 1990) for some, but not all, retroviral examples (Brierley et al., 1989; ten Dam et al., 1990) and in a variety of other instances (ten Dam et al., 1990) .	cache/cord-305290-xnjwv0d7.txt	txt/cord-305290-xnjwv0d7.txt
