A role for epsin N-terminal homology/AP180 N-terminal homology (ENTH/ANTH) domains in tubulin binding

Natasha K. Hussain, Montarop Yamabhai, Asha L. Bhakar, Martina Metzler, Stephen S G Ferguson, Michael R. Hayden, Peter S. McPherson, Brian K. Kay

Research output: Contribution to journalArticle

Abstract

The epsin N-terminal homology (ENTH) domain is a protein module of ∼150 amino acids found at the N terminus of a variety of proteins identified in yeast, plants, nematode, frog, and mammals. ENTH domains comprise multiple α-helices folded upon each other to form a compact globular structure that has been implicated in interactions with lipids and proteins. In characterizing this evolutionarily conserved domain, we isolated and identified tubulin as an ENTH domain-binding partner. The interaction, which is direct and has a dissociation constant of ∼1 μM, was observed with ENTH domains of proteins present in various species. Tubulin is co-immunoprecipitated from rat brain extracts with the ENTH domain-containing proteins, epsins 1 and 2, and punctate epsin staining is observed along the microtubule cytoskeleton of dissociated cortical neurons. Consistent with a role in microtubule processes, the over-expression of epsin ENTH domain in PC12 cells stimulates neurite outgrowth. These data demonstrate an evolutionarily conserved property of ENTH domains to interact with tubulin and microtubules.

Original languageEnglish (US)
Pages (from-to)28823-28830
Number of pages8
JournalJournal of Biological Chemistry
Volume278
Issue number31
DOIs
StatePublished - Aug 1 2003
Externally publishedYes

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Tubulin
Microtubules
Proteins
epsin
Mammals
PC12 Cells
Cytoskeleton
Anura
Yeast
Neurons
Rats
Brain
Yeasts
Staining and Labeling
Lipids
Amino Acids

ASJC Scopus subject areas

  • Biochemistry

Cite this

Hussain, N. K., Yamabhai, M., Bhakar, A. L., Metzler, M., Ferguson, S. S. G., Hayden, M. R., ... Kay, B. K. (2003). A role for epsin N-terminal homology/AP180 N-terminal homology (ENTH/ANTH) domains in tubulin binding. Journal of Biological Chemistry, 278(31), 28823-28830. https://doi.org/10.1074/jbc.M300995200

A role for epsin N-terminal homology/AP180 N-terminal homology (ENTH/ANTH) domains in tubulin binding. / Hussain, Natasha K.; Yamabhai, Montarop; Bhakar, Asha L.; Metzler, Martina; Ferguson, Stephen S G; Hayden, Michael R.; McPherson, Peter S.; Kay, Brian K.

In: Journal of Biological Chemistry, Vol. 278, No. 31, 01.08.2003, p. 28823-28830.

Research output: Contribution to journalArticle

Hussain, NK, Yamabhai, M, Bhakar, AL, Metzler, M, Ferguson, SSG, Hayden, MR, McPherson, PS & Kay, BK 2003, 'A role for epsin N-terminal homology/AP180 N-terminal homology (ENTH/ANTH) domains in tubulin binding', Journal of Biological Chemistry, vol. 278, no. 31, pp. 28823-28830. https://doi.org/10.1074/jbc.M300995200
Hussain, Natasha K. ; Yamabhai, Montarop ; Bhakar, Asha L. ; Metzler, Martina ; Ferguson, Stephen S G ; Hayden, Michael R. ; McPherson, Peter S. ; Kay, Brian K. / A role for epsin N-terminal homology/AP180 N-terminal homology (ENTH/ANTH) domains in tubulin binding. In: Journal of Biological Chemistry. 2003 ; Vol. 278, No. 31. pp. 28823-28830.
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