Rules for Nuclear Localization Sequence Recognition by Karyopherinβ2

Brittany J. Lee, Ahmet E. Cansizoglu, Katherine E. Süel, Thomas H. Louis, Zichao Zhang, Yuh Min Chook

Research output: Contribution to journalArticle

325 Citations (Scopus)

Abstract

Karyopherinβ (Kapβ) proteins bind nuclear localization and export signals (NLSs and NESs) to mediate nucleocytoplasmic trafficking, a process regulated by Ran GTPase through its nucleotide cycle. Diversity and complexity of signals recognized by Kapβs have prevented prediction of new Kapβ substrates. The structure of Kapβ2 (also known as Transportin) bound to one of its substrates, the NLS of hnRNP A1, that we report here explains the mechanism of substrate displacement by Ran GTPase. Further analyses reveal three rules for NLS recognition by Kapβ2: NLSs are structurally disordered in free substrates, have overall basic character, and possess a central hydrophobic or basic motif followed by a C-terminal R/H/KX(2-5)PY consensus sequence. We demonstrate the predictive nature of these rules by identifying NLSs in seven previously known Kapβ2 substrates and uncovering 81 new candidate substrates, confirming five experimentally. These studies define and validate a new NLS that could not be predicted by primary sequence analysis alone.

Original languageEnglish (US)
Pages (from-to)543-558
Number of pages16
JournalCell
Volume126
Issue number3
DOIs
StatePublished - Aug 4 2006

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Karyopherins
GTP Phosphohydrolases
Substrates
Nuclear Export Signals
Nuclear Localization Signals
Consensus Sequence
Sequence Analysis
Nucleotides
Nuclear Proteins
Proteins

ASJC Scopus subject areas

  • Cell Biology
  • Molecular Biology

Cite this

Lee, B. J., Cansizoglu, A. E., Süel, K. E., Louis, T. H., Zhang, Z., & Chook, Y. M. (2006). Rules for Nuclear Localization Sequence Recognition by Karyopherinβ2. Cell, 126(3), 543-558. https://doi.org/10.1016/j.cell.2006.05.049

Rules for Nuclear Localization Sequence Recognition by Karyopherinβ2. / Lee, Brittany J.; Cansizoglu, Ahmet E.; Süel, Katherine E.; Louis, Thomas H.; Zhang, Zichao; Chook, Yuh Min.

In: Cell, Vol. 126, No. 3, 04.08.2006, p. 543-558.

Research output: Contribution to journalArticle

Lee, BJ, Cansizoglu, AE, Süel, KE, Louis, TH, Zhang, Z & Chook, YM 2006, 'Rules for Nuclear Localization Sequence Recognition by Karyopherinβ2', Cell, vol. 126, no. 3, pp. 543-558. https://doi.org/10.1016/j.cell.2006.05.049
Lee, Brittany J. ; Cansizoglu, Ahmet E. ; Süel, Katherine E. ; Louis, Thomas H. ; Zhang, Zichao ; Chook, Yuh Min. / Rules for Nuclear Localization Sequence Recognition by Karyopherinβ2. In: Cell. 2006 ; Vol. 126, No. 3. pp. 543-558.
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