1pbq

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{{STRUCTURE_1pbq| PDB=1pbq | SCENE= }}
{{STRUCTURE_1pbq| PDB=1pbq | SCENE= }}
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'''CRYSTAL STRUCTURE OF THE NR1 LIGAND BINDING CORE IN COMPLEX WITH 5,7-DICHLOROKYNURENIC ACID (DCKA) AT 1.90 ANGSTROMS RESOLUTION'''
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===CRYSTAL STRUCTURE OF THE NR1 LIGAND BINDING CORE IN COMPLEX WITH 5,7-DICHLOROKYNURENIC ACID (DCKA) AT 1.90 ANGSTROMS RESOLUTION===
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==Overview==
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Excitatory neurotransmission mediated by the N-methyl-D-aspartate subtype of ionotropic glutamate receptors is fundamental to the development and function of the mammalian central nervous system. NMDA receptors require both glycine and glutamate for activation with NR1 and NR2 forming glycine and glutamate sites, respectively. Mechanisms to describe agonist and antagonist binding, and activation and desensitization of NMDA receptors have been hampered by the lack of high-resolution structures. Here, we describe the cocrystal structures of the NR1 S1S2 ligand-binding core with the agonists glycine and D-serine (DS), the partial agonist D-cycloserine (DCS) and the antagonist 5,7-dichlorokynurenic acid (DCKA). The cleft of the S1S2 'clamshell' is open in the presence of the antagonist DCKA and closed in the glycine, DS and DCS complexes. In addition, the NR1 S1S2 structure reveals the fold and interactions of loop 1, a cysteine-rich region implicated in intersubunit allostery.
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{{ABSTRACT_PUBMED_12805203}}
==About this Structure==
==About this Structure==
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[[Category: Nr1]]
[[Category: Nr1]]
[[Category: Rat]]
[[Category: Rat]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 04:54:57 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 08:58:19 2008''

Revision as of 05:58, 29 July 2008

Image:1pbq.png

Template:STRUCTURE 1pbq

CRYSTAL STRUCTURE OF THE NR1 LIGAND BINDING CORE IN COMPLEX WITH 5,7-DICHLOROKYNURENIC ACID (DCKA) AT 1.90 ANGSTROMS RESOLUTION

Template:ABSTRACT PUBMED 12805203

About this Structure

1PBQ is a Single protein structure of sequence from Rattus norvegicus. Full crystallographic information is available from OCA.

Reference

Mechanisms of activation, inhibition and specificity: crystal structures of the NMDA receptor NR1 ligand-binding core., Furukawa H, Gouaux E, EMBO J. 2003 Jun 16;22(12):2873-85. PMID:12805203

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