tokens: 2 were nonviable , and the mutant Vp1s unexpectedly failed to localize to the nucleus though Vp2 and Vp3 did , suggesting that the mutated NLS1 acted as a dominant signal for the cytoplasmic localization of Vp1 .
folded_tokens: 2 be nonviable , and the mutant vp1 unexpectedly fail to localize to the nucleus though vp2 and vp3 do , suggest that the mutate nls1 act as a dominant signal for the cytoplasmic localization of vp1 .