A primary cilium which may contain a variable array of axonemal microtubules and also contains molecular motors. Motile primary cilia display a distinct twirling motion that directs fluid flow asymmetrically across the cellular surface to affect asymmetric body plan organization. (Gene Ontology, GO_0031512)
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8 proteins localized to the motile primary cilium cellular component from the COMPARTMENTS Curated Protein Localization Evidence Scores dataset.