Metabotropic glutamate receptor: Difference between revisions

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<Structure load='1ewk' size='350' side='right' caption='Structure of the glycosylated rat binding domain of the Metabotropic Glutamate Receptor, GluR1, bound to glutamate, Hepes and Mg+2 ions ([[1ewk]])' scene=' '/>
<StructureSection load='1ewk' size='350' side='right' scene='46/464134/Cv/1' caption='Structure of the glycosylated rat binding domain of the Metabotropic Glutamate Receptor, GluR1, bound to glutamate, Hepes and Mg+2 ions ([[1ewk]])'>
 
== Function ==
== Function ==
[[Metabotropic glutamate receptor|Metabotropic glutamate receptors]] are [[Glutamate Receptors|glutamate receptors]] that activate ion channels indirectly through a signaling cascade involving G proteins<ref>PMID:20716669</ref>. They are members of the large class of seven-transmembrane domain receptors, the [[G protein-coupled receptor|G protein-coupled receptors]]. Glutamate receptors are classified into 3 groups based on their homology, mechanism and pharmacological properties.  See also [[Ligand Binding N-Terminal of Metabotropic Glutamate Receptors]].
[[Metabotropic glutamate receptor|Metabotropic glutamate receptors]] are [[Glutamate Receptors|glutamate receptors]] that activate ion channels indirectly through a signaling cascade involving G proteins<ref>PMID:20716669</ref>. They are members of the large class of seven-transmembrane domain receptors, the [[G protein-coupled receptor|G protein-coupled receptors]]. Glutamate receptors are classified into 3 groups based on their homology, mechanism and pharmacological properties.  See also [[Ligand Binding N-Terminal of Metabotropic Glutamate Receptors]].


*'''Metabotropic glutamate receptor 1''' and '''metabotropic glutamate receptor 5''' belong to group I and activate phospholipase C.<br />
*'''Metabotropic glutamate receptor 1''' and '''metabotropic glutamate receptor 5''' belong to group I and activate phospholipase C.  For details see [[Metabotropic glutamate receptor 5]].<br />
*'''Metabotropic glutamate receptor 2''' and '''metabotropic glutamate receptor 3''' belong to group II and inhibit the cyclic AMP cascade.<br />
*'''Metabotropic glutamate receptor 2''' and '''metabotropic glutamate receptor 3''' belong to group II and inhibit the cyclic AMP cascade.<br />
*'''Metabotropic glutamate receptor 7''' belongs to group III and inhibits adenylate cyclase activity.<br />
*'''Metabotropic glutamate receptor 7''' and '''metabotropic glutamate receptor 8''' belong to group III and inhibits adenylate cyclase activity.<br />


Articles in Proteopedia concerning Toll-like Receptors include:
Articles in Proteopedia concerning Toll-like Receptors include:
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*[[Membrane proteins]]
*[[Membrane proteins]]
<br />
<br />
== Relevance ==
GluR are targets for Parkinson's disease drugs<ref>PMID:19702565</ref> as well as for Alzheimer's disease, depression, anxiety and schizophrenia<ref>PMID:20055706</ref>.
== Structural highlights ==
== Structural highlights ==
Glutamate is bound to GluR1 in the crevice between the N-terminal and C-terminal domains<ref>PMID:11069170</ref>.
<scene name='46/464134/Cv/3'>Glutamate is bound to GluR1</scene> in the crevice between the N-terminal and C-terminal domains<ref>PMID:11069170</ref>. Water molecules are shown as red spheres.
 
==3D structures of metabotropic glutamate receptor ==
==3D structures of metabotropic glutamate receptor ==
[[Metabotropic glutamate receptor 3D structures]]


Updated on {{REVISIONDAY2}}-{{MONTHNAME|{{REVISIONMONTH}}}}-{{REVISIONYEAR}}
</StructureSection>
{{#tree:id=OrganizedByTopic|openlevels=0|


*Metabotropic glutamate receptor 1
**[[1ewt]], [[1ewv]] - rMGluR1 LBD - rat<br />
**[[3ks9]] – hMGluR1 (mutant) + antagonist - human<br />
**[[4or2]] - hMGluR1/cytochrome b526<br />
**[[1isr]], [[1ewk]] – rMGluR1 LBD + Glu<br />
**[[1iss]] - rMGluR1 LBD + antagonist<br />
*Metabotropic glutamate receptor 2
**[[4xas]], [[4xaq]] – hMGluR2 LBD + agonist<br />
*Metabotropic glutamate receptor 3
**[[2e4u]] – rMGluR3 LBD (mutant) + Glu<br />
**[[2e4v]], [[2e4w]], [[2e4x]], [[2e4y]], [[2e4z]] - rMGluR3 LBD (mutant) + agonist<br />
**[[3sm9]] - hMGluR3 + antagonist<br />
**[[4xar]] – hMGluR3 LBD + agonist<br />
*Metabotropic glutamate receptor 5
**[[3lmk]] – hMGluR5 LBD (mutant) + positive allosteric modulator + Glu<br />
*Metabotropic glutamate receptor 7
**[[3mq4]] – hMGluR7 LBD + antagonist<br />
}}
==See Also==
==See Also==
[[Membrane Channels & Pumps]] <br/>
[[Membrane Channels & Pumps]] <br/>
[[Ionotropic_Glutamate_Receptors]]<br/>
[[Ionotropic Glutamate Receptors]]<br/>
[[Alzheimer's Disease]]<br/>
[[Alzheimer's Disease]]<br/>
 
* [[G protein-coupled receptor]]
*[[Receptor]]
*[[Transmembrane (cell surface) receptors]]
== References ==
== References ==
<references/>
<references/>


[[Category:Topic Page]]
[[Category:Topic Page]]

Proteopedia Page Contributors and Editors (what is this?)Proteopedia Page Contributors and Editors (what is this?)

Wayne Decatur, Michal Harel, Nikki Hunter, Alexander Berchansky