Component of the intraflagellar transport (IFT) complex B: together with IFT74, forms a tubulin-binding module that specifically mediates transport of tubulin within the cilium. Binds tubulin via its CH (calponin-homology)-like region . Required for ciliogenesis . Required for proper regulation of SHH signaling . Plays an important role during spermatogenesis by modulating the assembly and elongation of the sperm flagella (By similarity).
Cell projection, cilium . Cytoplasm .
Highly expressed in testis, moderately in ovary, heart, liver, skeletal muscle, kidney and pancreas, low in prostate, brain, placenta and lung and not detected in spleen, thymus, small intestine and colon. Isoform CDV-1R is abundantly expressed in testis.
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