1rgj

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{{Seed}}
 
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[[Image:1rgj.png|left|200px]]
 
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==NMR STRUCTURE OF THE COMPLEX BETWEEN ALPHA-BUNGAROTOXIN AND MIMOTOPE OF THE NICOTINIC ACETYLCHOLINE RECEPTOR WITH ENHANCED ACTIVITY==
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The line below this paragraph, containing "STRUCTURE_1rgj", creates the "Structure Box" on the page.
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<StructureSection load='1rgj' size='340' side='right'caption='[[1rgj]]' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1rgj]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Bungarus_multicinctus Bungarus multicinctus]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1p67 1p67]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1RGJ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1RGJ FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1rgj FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1rgj OCA], [https://pdbe.org/1rgj PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1rgj RCSB], [https://www.ebi.ac.uk/pdbsum/1rgj PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1rgj ProSAT]</span></td></tr>
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{{STRUCTURE_1rgj| PDB=1rgj | SCENE= }}
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/3L21A_BUNMU 3L21A_BUNMU] Binds with high affinity to muscular (tested on Torpedo marmorata, Kd=0.4 nM) and neuronal (tested on chimeric alpha-7/CHRNA7, Kd=0.95 nM) nicotinic acetylcholine receptor (nAChR) and inhibits acetylcholine from binding to the receptor, thereby impairing neuromuscular and neuronal transmission (PubMed:9305882). It also shows an activity on GABA(A) receptors (PubMed:16549768, PubMed:25634239). It antagonises GABA-activated currents with high potency when tested on primary hippocampal neurons (PubMed:25634239). It inhibits recombinantly expressed GABA(A) receptors composed of alpha-2-beta-2-gamma-2 (GABRA2-GABRB2-GABRG2) subunits with high potency (62.3% inhibition at 20 uM of toxin) (PubMed:25634239). It also shows a weaker inhibition on GABA(A) receptors composed of alpha-1-beta-2-gamma-2 (GABRA1-GABRB2-GABRG2) subunits, alpha-4-beta-2-gamma-2 (GABRA4-GABRB2-GABRG2) subunits, and alpha-5-beta-2-gamma-2 (GABRA5-GABRB2-GABRG2) subunits (PubMed:25634239). A very weak inhibition is also observed on GABA(A) receptor composed of alpha-1-beta-3-gamma-2 (GABRA1-GABRB3-GABRG2) (PubMed:26221036). It has also been shown to bind and inhibit recombinant GABA(A) receptor beta-3/GABRB3 subunit (Kd=about 50 nM) (PubMed:16549768). In addition, it blocks the extracellular increase of dopamine evoked by nicotine only at the higher dose (4.2 uM) (PubMed:9840221).<ref>PMID:16549768</ref> <ref>PMID:25634239</ref> <ref>PMID:9305882</ref> <ref>PMID:9840221</ref>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/rg/1rgj_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1rgj ConSurf].
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<div style="clear:both"></div>
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===NMR STRUCTURE OF THE COMPLEX BETWEEN ALPHA-BUNGAROTOXIN AND MIMOTOPE OF THE NICOTINIC ACETILCHOLINE RECEPTOR WITH ENHANCED ACTIVITY===
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==See Also==
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*[[Bungarotoxin 3D structures|Bungarotoxin 3D structures]]
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== References ==
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The line below this paragraph, {{ABSTRACT_PUBMED_15178256}}, adds the Publication Abstract to the page
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__TOC__
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(as it appears on PubMed at http://www.pubmed.gov), where 15178256 is the PubMed ID number.
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</StructureSection>
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{{ABSTRACT_PUBMED_15178256}}
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==About this Structure==
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1RGJ is a 2 chains structure of sequences from [http://en.wikipedia.org/wiki/Bungarus_multicinctus Bungarus multicinctus]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1p67 1p67]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1RGJ OCA].
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==Reference==
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<ref group="xtra">PMID:15178256</ref><references group="xtra"/>
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[[Category: Bungarus multicinctus]]
[[Category: Bungarus multicinctus]]
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[[Category: Bernini, A.]]
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[[Category: Large Structures]]
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[[Category: Bracci, L.]]
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[[Category: Bernini A]]
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[[Category: Ciutti, A.]]
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[[Category: Bracci L]]
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[[Category: Lelli, B.]]
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[[Category: Ciutti A]]
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[[Category: Lozzi, L.]]
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[[Category: Lelli B]]
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[[Category: Neri, P.]]
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[[Category: Lozzi L]]
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[[Category: Niccolai, N.]]
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[[Category: Neri P]]
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[[Category: Scarselli, M.]]
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[[Category: Niccolai N]]
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[[Category: Spiga, O.]]
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[[Category: Scarselli M]]
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[[Category: Alpha-bungarotoxin]]
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[[Category: Spiga O]]
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[[Category: Beta-strand]]
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[[Category: Neurotoxin]]
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[[Category: Protein-peptide complex]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Feb 16 23:28:10 2009''
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Current revision

NMR STRUCTURE OF THE COMPLEX BETWEEN ALPHA-BUNGAROTOXIN AND MIMOTOPE OF THE NICOTINIC ACETYLCHOLINE RECEPTOR WITH ENHANCED ACTIVITY

PDB ID 1rgj

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