期刊
FEBS LETTERS
卷 553, 期 1-2, 页码 195-199出版社
WILEY
DOI: 10.1016/S0014-5793(03)01010-X
关键词
myosin regulatory light chain interacting protein; ezrin, radixin, moesin (ERM) proteins; neurite outgrowth; ubiquitination
Myosin regulatory light chain interacting protein (MIR) belongs to the ezrin, radixin, moesin (ERM) family of proteins involved in membrane cytoskeleton interactions and cell dynamics. MIR contains, beside the ERM domain, a RING zinc finger region. Immunocytochemistry showed that full-length MIR and the subdomains localize differently in cells. Cell fractionation revealed a similar distribution of full-length MIR and the RING domain protein in the Triton X-100-insoluble fraction. The neurite outgrowth inhibitory activity of MIR was attributed to the RING domain. MIR levels were controlled in the cells depending on the intact RING domain and proteasome activity. The dynamic regulation of MIR contributes to its effects on neurite outgrowth and cell motility. (C) 2003 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.
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