Kinesins (the one shown is from PDB code 3kin) and dyneins walk along microtubules dragging their cargo along with them (red: ATP) (bottom: domain that links to the cargos)

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Kinesins (the one shown is from PDB code 3kin) and dyneins walk along microtubules dragging their cargo along with them (red: ATP) (bottom: domain that links to the cargos)