Specific interaction between SNARES and epsin N-terminal homology (ENTH) domains of epsin-related proteins in trans-Golgi network to endosome transport

Chidambaram S, Mullers N, Wiederhold K, Haucke V, Fischer von Mollard G (2004)
JOURNAL OF BIOLOGICAL CHEMISTRY 279(6): 4175-4179.

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SNARE proteins on transport vesicles and target membranes have important roles in vesicle targeting and fusion. Therefore, localization and activity of SNARES have to be tightly controlled. Regulatory proteins bind to N-terminal domains of some SNARES. vti1b is a mammalian SNARE that functions in late endosomal fusion. To investigate the role of the N terminus of vti1b we performed a yeast two-hybrid screen. The N terminus of vti1b interacted specifically with the epsin N-terminal homology (ENTH) domain of enthoprotin/GLINT/epsinR. The interaction was confirmed using in vitro binding assays. This complex formation between a SNARE and an ENTH domain was conserved between mammals and yeast. Yeast Vti1p interacted with the ENTH domain of Ent3p. ENTH proteins are involved in the formation of clathrin-coated vesicles. Both epsinR and Ent3p bind adaptor proteins at the traps-Golgi network. Vti1p is required for multiple transport steps in the endosomal system. Genetic interactions between VTI1 and ENT3 were investigated. Synthetic defects suggested that Vti1p and Ent3p cooperate in transport from the traps-Golgi network to the prevacuolar endosome. Our experiments identified the first cytoplasmic protein binding to specific ENTH domains. These results point toward a novel function of the ENTH domain and a connection between proteins that function either in vesicle formation or in vesicle fusion.
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Chidambaram S, Mullers N, Wiederhold K, Haucke V, Fischer von Mollard G. Specific interaction between SNARES and epsin N-terminal homology (ENTH) domains of epsin-related proteins in trans-Golgi network to endosome transport. JOURNAL OF BIOLOGICAL CHEMISTRY. 2004;279(6):4175-4179.
Chidambaram, S., Mullers, N., Wiederhold, K., Haucke, V., & Fischer von Mollard, G. (2004). Specific interaction between SNARES and epsin N-terminal homology (ENTH) domains of epsin-related proteins in trans-Golgi network to endosome transport. JOURNAL OF BIOLOGICAL CHEMISTRY, 279(6), 4175-4179. doi:10.1074/jbc.M308667200
Chidambaram, S., Mullers, N., Wiederhold, K., Haucke, V., and Fischer von Mollard, G. (2004). Specific interaction between SNARES and epsin N-terminal homology (ENTH) domains of epsin-related proteins in trans-Golgi network to endosome transport. JOURNAL OF BIOLOGICAL CHEMISTRY 279, 4175-4179.
Chidambaram, S., et al., 2004. Specific interaction between SNARES and epsin N-terminal homology (ENTH) domains of epsin-related proteins in trans-Golgi network to endosome transport. JOURNAL OF BIOLOGICAL CHEMISTRY, 279(6), p 4175-4179.
S. Chidambaram, et al., “Specific interaction between SNARES and epsin N-terminal homology (ENTH) domains of epsin-related proteins in trans-Golgi network to endosome transport”, JOURNAL OF BIOLOGICAL CHEMISTRY, vol. 279, 2004, pp. 4175-4179.
Chidambaram, S., Mullers, N., Wiederhold, K., Haucke, V., Fischer von Mollard, G.: Specific interaction between SNARES and epsin N-terminal homology (ENTH) domains of epsin-related proteins in trans-Golgi network to endosome transport. JOURNAL OF BIOLOGICAL CHEMISTRY. 279, 4175-4179 (2004).
Chidambaram, S, Mullers, N, Wiederhold, K, Haucke, V, and Fischer von Mollard, Gabriele. “Specific interaction between SNARES and epsin N-terminal homology (ENTH) domains of epsin-related proteins in trans-Golgi network to endosome transport”. JOURNAL OF BIOLOGICAL CHEMISTRY 279.6 (2004): 4175-4179.
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