Putative cis-acting stem-loops in the 5' untranslated region of the severe acute respiratory syndrome coronavirus can substitute for their mouse hepatitis virus counterparts.

Abstract excerpt

Consensus covariation-based secondary structural models for the 5' 140 nucleotides of the 5' untranslated regions (5'UTRs) from mouse hepatitis virus (MHV) and severe acute respiratory syndrome coronavirus (SCoV) were developed and predicted three major helical stem-loop structures, designated stem-loop 1 (SL1), SL2, and SL4. The SCoV 5'UTR was predicted to contain a fourth stem-loop, named SL3, in which the...

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