A stem-loop structure in the 5' untranslated region of bean pod mottle virus RNA2 is specifically required for RNA2 accumulation.

Bean pod mottle virus (BPMV) is a bipartite, positive-sense (+) RNA plant virus of the family Secoviridae. Its RNA1 encodes all proteins needed for genome replication and is capable of autonomous replication. By contrast, BPMV RNA2 must utilize RNA1-encoded proteins for replication.