Published 22 May 2006. doi:10.1083/jcb.200604071
The Rockefeller University Press, 0021-9525 $8.00
JCB, Volume 173, Number 4, 459-461
Paradigm lost: milton connects kinesin heavy chain to miro on mitochondria
Sarah E. Rice and
Vladimir I. Gelfand
Department of Cell and Molecular Biology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611
Correspondence to Vladimir I. Gelfand: vgelfand{at}northwestern.edu
The kinesin motor typically binds to cargo through its light chains. In this issue Glater et al. (p. 545) demonstrate a new type of linkage through the adapter protein, milton, and the mitochondrial membrane GTPase, miro. This is an important result because it represents a new mechanism of cargo binding and because miro's ability to bind GTP and calcium suggests that it is involved in the regulation of mitochondrial transport.

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