Reference: Habib SJ, et al. (2003) Multiple functions of tail-anchor domains of mitochondrial outer membrane proteins. FEBS Lett 555(3):511-5

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Abstract

Tail-anchored proteins form a distinct class of membrane proteins that have a single membrane anchor sequence at their C-terminus, the tail-anchor. Their N-terminal portion is exposed to the cytosol. We have studied the roles of tail-anchor domains of proteins residing in the mitochondrial outer membrane. Four distinct functions of the tail-anchor domain were identified. First, the domain mediates the targeting to mitochondria in a process that probably requires a net positive charge at the C-terminally flanking segment. Second, tail-anchor domains facilitate the insertion into the mitochondrial outer membrane. Third, the tail-anchor is responsible for the assembly of the respective protein into functional multi-subunit complexes; and fourth, tail-anchor domains can stabilize such complexes.

Reference Type
Journal Article | Research Support, Non-U.S. Gov't
Authors
Habib SJ, Vasiljev A, Neupert W, Rapaport D
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