Reference: Kamińska J, et al. (2007) Characterization of nuclear localization and nuclear export signals of yeast actin-binding protein Pan1. FEBS Lett 581(28):5371-6

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Abstract


Pan1 is an actin patch-associated protein involved in endocytosis. Our studies revealed that in oleate-grown cells Pan1 is located in the nucleus as well as in patches. One of three putative nuclear localization signals (NLS) of Pan1, NLS2, directed beta-galactosidase (beta-gal) to the nucleus. However, GFP-Pan1(886-1219), containing NLS2, was found in the cytoplasm indicating that it may contain a nuclear export signal (NES). A putative Pan1 NES, overlapping with NLS3, re-addressed NLS(H2B)-NES/NLS3-beta-gal from the nucleus to the cytoplasm. Inactivation of the NES allowed NLS3 to be effective. Thus, Pan1 contains functional NLSs and a NES and appears to shuttle in certain circumstances.

Reference Type
Journal Article | Research Support, Non-U.S. Gov't
Authors
Kamińska J, Sedek M, Wysocka-Kapcińska M, Zoładek T
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