DNAI2Dynein axonemal intermediate chain 2 also known as axonemal dynein intermediate chain 2, is a protein that in humans is encoded by the DNAI2 gene.FunctionThe protein encoded by this gene belongs to the dynein intermediate chain family, and is part of the dynein complex of respiratory cilia and sperm flagella.Clinical significanceMutations in the DNAI2 gene are associated with primary ciliary dyskinesia.