Enables several functions, including RNA helicase activity; calcium-dependent protein binding activity; and calmodulin binding activity. Involved in regulation of viral genome replication. Predicted to be located in nucleolus and nucleoplasm. Predicted to be part of catalytic step 2 spliceosome. Predicted to be active in nucleus. Orthologous to human DDX5 (DEAD-box helicase 5). [provided by Alliance of Genome Resources, Apr 2022]