Predicted RNA helicase of the DEAH-box family; the authentic, non-tagged protein is detected in highly purified mitochondria in HTP studies and sediments with the 40S ribosomal subunit; crosslinks with 18S rRNA; non-essential gene; contains a ubiquitin-associated domain, an RWD domain, a helicase ATP-binding DEAD-like domain, a helicase C terminal domain and a helicase associated domain; does not contain a Rb-like A/B pocket structure; homolog of mammalian translation initiation factor DHX29