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The Hsc70-interacting protein Hip, a tetratricopeptide repeat protein, participates in the regulation of the eukaryotic 70 kDa heat shock cognate Hsc70. One Hip oligomer binds the ATPase domains of at least two Hsc70 molecules dependent on activation of the Hsc70 ATPase by Hsp40. While hydrolysis remains the rate-limiting step in the ATPase cycle, Hip(More)
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