1.0alpha7.dev.176.sent
sentence
The first is that the strength of the tubulin-motor interaction partly overrides the coiled-coil interaction within the kinesin dimer, forcing the heads to come apart so that the individual kinesin molecules can bind to different tubulin heterodimers, relieving the constraints imposed by the coiled-coil necks (Thormählen et al., 1998b).