5oj6

From Proteopedia

(Difference between revisions)

Revision as of 18:48, 15 November 2017

Crystal structure of the chicken MDGA1 ectodomain in complex with the human neuroligin 1 (NL1(-A-B)) cholinesterase domain.

Structural highlights

5oj6 is a 2 chain structure with sequence from Chick and Human. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:	,
Gene:	NLGN1, KIAA1070 (HUMAN), MDGA1 (CHICK)
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

[NLGN1_HUMAN] Cell surface protein involved in cell-cell-interactions via its interactions with neurexin family members. Plays a role in synapse function and synaptic signal transmission, and probably mediates its effects by recruiting and clustering other synaptic proteins. May promote the initial formation of synapses, but is not essential for this. In vitro, triggers the de novo formation of presynaptic structures. May be involved in specification of excitatory synapses. Required to maintain wakefulness quality and normal synchrony of cerebral cortex activity during wakefulness and sleep.[UniProtKB:Q99K10]

Publication Abstract from PubMed

Neuroligin-neurexin (NL-NRX) complexes are fundamental synaptic organizers in the central nervous system. An accurate spatial and temporal control of NL-NRX signaling is crucial to balance excitatory and inhibitory neurotransmission, and perturbations are linked with neurodevelopmental and psychiatric disorders. MDGA proteins bind NLs and control their function and interaction with NRXs via unknown mechanisms. Here, we report crystal structures of MDGA1, the NL1-MDGA1 complex, and a spliced NL1 isoform. Two large, multi-domain MDGA molecules fold into rigid triangular structures, cradling a dimeric NL to prevent NRX binding. Structural analyses guided the discovery of a broad, splicing-modulated interaction network between MDGA and NL family members and helped rationalize the impact of autism-linked mutations. We demonstrate that expression levels largely determine whether MDGAs act selectively or suppress the synapse organizing function of multiple NLs. These results illustrate a potentially brain-wide regulatory mechanism for NL-NRX signaling modulation.

Structural Mechanism for Modulation of Synaptic Neuroligin-Neurexin Signaling by MDGA Proteins.,Elegheert J, Cvetkovska V, Clayton AJ, Heroven C, Vennekens KM, Smukowski SN, Regan MC, Jia W, Smith AC, Furukawa H, Savas JN, de Wit J, Begbie J, Craig AM, Aricescu AR Neuron. 2017 Aug 16;95(4):896-913.e10. doi: 10.1016/j.neuron.2017.07.040. PMID:28817804^[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

References

↑ Elegheert J, Cvetkovska V, Clayton AJ, Heroven C, Vennekens KM, Smukowski SN, Regan MC, Jia W, Smith AC, Furukawa H, Savas JN, de Wit J, Begbie J, Craig AM, Aricescu AR. Structural Mechanism for Modulation of Synaptic Neuroligin-Neurexin Signaling by MDGA Proteins. Neuron. 2017 Aug 16;95(4):896-913.e10. doi: 10.1016/j.neuron.2017.07.040. PMID:28817804 doi:http://dx.doi.org/10.1016/j.neuron.2017.07.040

1 Structural highlights
2 Function
3 Publication Abstract from PubMed
4 References

Proteopedia Page Contributors and Editors (what is this?)

OCA

Retrieved from "http://52.214.119.220/wiki/index.php/5oj6"

@@ Line 3: / Line 3: @@
 <StructureSection load='5oj6' size='340' side='right' caption='[[5oj6]], [[Resolution|resolution]] 3.30&Aring;' scene=''>
 == Structural highlights ==
-<table><tr><td colspan='2'>[[5oj6]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5OJ6 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5OJ6 FirstGlance]. <br>
+<table><tr><td colspan='2'>[[5oj6]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Chick Chick] and [http://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5OJ6 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5OJ6 FirstGlance]. <br>
 </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BMA:BETA-D-MANNOSE'>BMA</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene></td></tr>
+<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">NLGN1, KIAA1070 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN]), MDGA1 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9031 CHICK])</td></tr>
 <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5oj6 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5oj6 OCA], [http://pdbe.org/5oj6 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5oj6 RCSB], [http://www.ebi.ac.uk/pdbsum/5oj6 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5oj6 ProSAT]</span></td></tr>
 </table>
@@ Line 22: / Line 23: @@
 __TOC__
 </StructureSection>
+[[Category: Chick]]
+[[Category: Human]]
 [[Category: Aricescu, A R]]
 [[Category: Clayton, A J]]

5oj6

From Proteopedia

Revision as of 18:48, 15 November 2017

Crystal structure of the chicken MDGA1 ectodomain in complex with the human neuroligin 1 (NL1(-A-B)) cholinesterase domain.

Structural highlights

Function

Publication Abstract from PubMed

References

Contents

Proteopedia Page Contributors and Editors (what is this?)

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