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Epsin 1 Undergoes Nucleocytosolic Shuttling and Its Eps15 Interactor Nh2-Terminal Homology (Enth) Domain, Structurally Similar to Armadillo and Heat Repeats, Interacts with the Transcription Factor Promyelocytic Leukemia Zn2+ Finger Protein (Plzf)

Journal Article · · Journal of Cell Biology
 [1];  [2];  [3];  [4];  [5]
  1. Yale Univ., New Haven, CT (United States). Dept. of Molecular Biophysics and Biochemistry; Yale Univ., New Haven, CT (United States) Howard Hughes Medical Inst.; DOE/OSTI
  2. Yale Univ., New Haven, CT (United States). Dept. of of Cell Biology; Yale Univ., New Haven, CT (United States). Howard Hughes Medical Inst.
  3. European Inst. of Oncology, Milan (Italy). Dept. of Experimental Oncology
  4. Yale Univ., New Haven, CT (United States). Dept. of of Cell Biology; Yale Univ., New Haven, CT (United States). Howard Hughes Medical Inst.
  5. Yale Univ., New Haven, CT (United States). Dept. of Molecular Biophysics and Biochemistry; Yale Univ., New Haven, CT (United States) Howard Hughes Medical Inst.
Epsin (Eps15 interactor) is a cytosolic protein involved in clathrin-mediated endocytosis via its direct interactions with clathrin, the clathrin adaptor AP-2, and Eps15. The NH2-terminal portion of epsin contains a phylogenetically conserved module of unknown function, known as the ENTH domain (epsin NH2-terminal homology domain). We have now solved the crystal structure of rat epsin 1 ENTH domain to 1.8 Å resolution. This domain is structurally similar to armadillo and Heat repeats of β-catenin and karyopherin-β, respectively. We have also identified and characterized the interaction of epsin 1, via the ENTH domain, with the transcription factor promyelocytic leukemia Zn2+ finger protein (PLZF). Leptomycin B, an antifungal antibiotic, which inhibits the Crm1- dependent nuclear export pathway, induces an accumulation of epsin 1 in the nucleus. These findings suggest that epsin 1 may function in a signaling pathway connecting the endocytic machinery to the regulation of nuclear function.
Research Organization:
Yale Univ., New Haven, CT (United States)
Sponsoring Organization:
National Institutes of Health (NIH); USDOE Office of Science (SC), Biological and Environmental Research (BER). Biological Systems Science Division
OSTI ID:
1625117
Journal Information:
Journal of Cell Biology, Journal Name: Journal of Cell Biology Journal Issue: 3 Vol. 149; ISSN 0021-9525
Publisher:
Rockefeller University PressCopyright Statement
Country of Publication:
United States
Language:
English

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Endocytosis: Signaling from Endocytic Membranes to the Nucleus journal April 2004
A Novel All Helix Fold of the AP180 Amino-Terminal Domain for Phosphoinositide Binding and Clathrin Assembly in Synaptic Vesicle Endocytosis journal February 2001
PIP Kinase Iγ Is the Major PI(4,5)P2 Synthesizing Enzyme at the Synapse journal October 2001
Endocytosis: Why not wait to deubiquitinate? journal July 2000
Vital function of PRELI and essential requirement of its LEA motif journal February 2010
Functional characterization of the interactions between endosomal adaptor protein APPL1 and the NuRD co-repressor complex journal October 2009
Comprehensive nuclear proteome of Arabidopsis obtained by sequential extraction journal January 2019
Evidence That Dynamin-2 Functions as a Signal-Transducing Gtpase journal July 2000
Nucleocytoplasmic Shuttling of Endocytic Proteins journal June 2001
Huntingtin interacting protein 1 modulates the transcriptional activity of nuclear hormone receptors journal July 2005
Evolutionary analysis of the ENTH/ANTH/VHS protein superfamily reveals a coevolution between membrane trafficking and metabolism journal January 2012
Eps15: a multifunctional adaptor protein regulating intracellular trafficking journal October 2009
Spare PRELI Gene Loci: Failsafe Chromosome Insurance? journal May 2012
PIP5KIβ Selectively Modulates Apical Endocytosis in Polarized Renal Epithelial Cells journal January 2013
Concise Review: Balancing Stem Cell Self-Renewal and Differentiation with PLZF: PLZF Regulates Self-Renewal and Differentiation of Stem Cells journal January 2016
Automated Structure Solution with the PHENIX Suite book January 2008
Endocytosis and signaling cascades: a close encounter journal June 2001
VHS domain - a longshoreman of vesicle lines journal December 2001
Phosphoinositide Recognition Domains: Phosphoinositide Recognition Domains journal April 2003
Curvature of clathrin-coated pits driven by epsin journal September 2002
Regulated portals of entry into the cell journal March 2003
A role for Kaiso–p120ctn complexes in cancer? journal November 2005
Vesicular protein transport journal April 2001
Intersectin goes nuclear: secret life of an endocytic protein journal April 2018
EHD2 shuttles to the nucleus and represses transcription journal May 2012
Excess vacuolar SNAREs drive lysis and Rab bypass fusion journal August 2007
Unusual Structural Organization of the Endocytic Proteins AP180 and Epsin 1 journal March 2002
Differential Nucleocytoplasmic Shuttling of β-Arrestins: CHARACTERIZATION OF A LEUCINE-RICH NUCLEAR EXPORT SIGNAL IN β-ARRESTIN2 journal August 2002
Characterization of Mammalian Ecm29, a 26 S Proteasome-associated Protein That Localizes to the Nucleus and Membrane Vesicles journal December 2004
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Degradation of Endocytosed Epidermal Growth Factor and Virally Ubiquitinated Major Histocompatibility Complex Class I Is Independent of Mammalian ESCRTII journal February 2006
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