Assertion: machupo virus's rna | /r/MadeOf | a 19-nt 3′ rna
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Source sentences:
text: We chose these positions, because both a 10-nt 3′ RNA containing the correct sequence at positions 1–7 and a 19-nt 3′ RNA containing mutations at positions 8–19 bound with similar affinity as the 3′ 19-nt RNA ( Fig. 3B and Fig.