The function of DDX47 (DEAD-box helicase 47, Ensembl gene identifier ENSG00000213782) is as follows. Required for efficient ribosome biogenesis (By similarity). May have a role in mRNA splicing (PubMed:16963496). Involved in apoptosis (PubMed:15977068). {ECO:0000250|UniProtKB:Q9VIF6, ECO:0000269|PubMed:15977068, ECO:0000269|PubMed:16963496}.