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. Author manuscript; available in PMC: 2008 Jan 12.
Published in final edited form as: J Mol Biol. 2006 Oct 10;365(2):453–467. doi: 10.1016/j.jmb.2006.10.013

Figure 9.

Figure 9

Virus infectivity monitored by RT assays. Compared with wild type virus (circles), mutant virus in which the SL-C tetraloop sequence was changed from UGCG217–220 to GAGA exhibited slower growth kinetics (squares). Mutant viruses in which the sequences AUC168–170 and/or AUG197–199 on either side of SL-A were changed to CCU were not infectious (diamonds, crosses, or plus symbols).