Predicted to enable dynein intermediate chain binding activity; dynein light intermediate chain binding activity; and minus-end-directed microtubule motor activity. Predicted to be involved in cilium movement. Predicted to be part of inner dynein arm. Is expressed in cartilage; central nervous system; genitourinary system; stomach; and trachea. Orthologous to human DNHD1 (dynein heavy chain domain 1). [provided by Alliance of Genome Resources, Apr 2022]