2fu3

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{{STRUCTURE_2fu3| PDB=2fu3 | SCENE= }}
{{STRUCTURE_2fu3| PDB=2fu3 | SCENE= }}
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'''Crystal structure of gephyrin E-domain'''
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===Crystal structure of gephyrin E-domain===
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==Overview==
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Glycine is the major inhibitory neurotransmitter in the spinal cord and brain stem. Gephyrin is required to achieve a high concentration of glycine receptors (GlyRs) in the postsynaptic membrane, which is crucial for efficient glycinergic signal transduction. The interaction between gephyrin and the GlyR involves the E-domain of gephyrin and a cytoplasmic loop located between transmembrane segments three and four of the GlyR beta subunit. Here, we present crystal structures of the gephyrin E-domain with and without the GlyR beta-loop at 2.4 and 2.7 A resolutions, respectively. The GlyR beta-loop is bound in a symmetric 'key and lock' fashion to each E-domain monomer in a pocket adjacent to the dimer interface. Structure-guided mutagenesis followed by in vitro binding and in vivo colocalization assays demonstrate that a hydrophobic interaction formed by Phe 330 of gephyrin and Phe 398 and Ile 400 of the GlyR beta-loop is crucial for binding.
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(as it appears on PubMed at http://www.pubmed.gov), where 16511563 is the PubMed ID number.
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{{ABSTRACT_PUBMED_16511563}}
==About this Structure==
==About this Structure==
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[[Category: Glycine receptor]]
[[Category: Glycine receptor]]
[[Category: Neuroreceptor anchoring]]
[[Category: Neuroreceptor anchoring]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 04:18:33 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 07:46:37 2008''

Revision as of 04:46, 28 July 2008

Image:2fu3.png

Template:STRUCTURE 2fu3

Crystal structure of gephyrin E-domain

Template:ABSTRACT PUBMED 16511563

About this Structure

2FU3 is a Single protein structure of sequence from Rattus norvegicus. Full crystallographic information is available from OCA.

Reference

Deciphering the structural framework of glycine receptor anchoring by gephyrin., Kim EY, Schrader N, Smolinsky B, Bedet C, Vannier C, Schwarz G, Schindelin H, EMBO J. 2006 Mar 22;25(6):1385-95. Epub 2006 Mar 2. PMID:16511563

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