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To assist clinical profession for further diagnosis, patients are usually ordered to do additional examinations in the outpatient clinic process. However, patients are easily to get lost for a visit due to the complex environment and poor wayfinding in the hospital. In this work, the smartphone-based localization system is developed using inertial sensors and light sensor. The proposed positioning...
Dyneins power microtubule motility using ring-shaped, AAA-containing motor domains. Here, we report X-ray and electron microscopy (EM) structures of yeast dynein bound to different ATP analogs, which collectively provide insight into the roles of dynein’s two major ATPase sites, AAA1 and AAA3, in the conformational change mechanism. ATP binding to AAA1 triggers a cascade of conformational changes...
Members of the Wiskott-Aldrich syndrome protein (WASP) family control actin dynamics in eukaryotic cells by stimulating the actin nucleating activity of the Arp2/3 complex. The prevailing paradigm for WASP regulation invokes allosteric relief of autoinhibition by diverse upstream activators. Here we demonstrate an additional level of regulation that is superimposed upon allostery: dimerization increases...
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