Microtubule inner protein (MIP) part of the dynein-decorated doublet microtubules (DMTs) in cilia axoneme, which is required for motile cilia beating . May play an important role for the maintenance of myelin-axon integrity (By similarity). May affect intracellular Ca(2+) homeostasis .
Subcellular locations: Cytoplasm, Cytoplasm, Cytoskeleton, Cytoplasm, Cytoskeleton, Cilium axoneme
Expressed in cerebrum, cerebellum, gastrocnemius muscle, spinal cord and lung tissues.