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1yi5

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Current revision (08:10, 25 October 2023) (edit) (undo)
 
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== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[1yi5]] is a 10 chain structure with sequence from [https://en.wikipedia.org/wiki/Lymnaea_stagnalis Lymnaea stagnalis] and [https://en.wikipedia.org/wiki/Naja_siamensis Naja siamensis]. The November 2005 RCSB PDB [https://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Acetylcholine Receptor'' by David S. Goodsell is [https://dx.doi.org/10.2210/rcsb_pdb/mom_2005_11 10.2210/rcsb_pdb/mom_2005_11]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1YI5 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1YI5 FirstGlance]. <br>
<table><tr><td colspan='2'>[[1yi5]] is a 10 chain structure with sequence from [https://en.wikipedia.org/wiki/Lymnaea_stagnalis Lymnaea stagnalis] and [https://en.wikipedia.org/wiki/Naja_siamensis Naja siamensis]. The November 2005 RCSB PDB [https://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Acetylcholine Receptor'' by David S. Goodsell is [https://dx.doi.org/10.2210/rcsb_pdb/mom_2005_11 10.2210/rcsb_pdb/mom_2005_11]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1YI5 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1YI5 FirstGlance]. <br>
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</td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[1i9b|1i9b]], [[1uv6|1uv6]], [[1ux2|1ux2]], [[1uw6|1uw6]]</div></td></tr>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 4.2&#8491;</td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1yi5 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1yi5 OCA], [https://pdbe.org/1yi5 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1yi5 RCSB], [https://www.ebi.ac.uk/pdbsum/1yi5 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1yi5 ProSAT]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1yi5 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1yi5 OCA], [https://pdbe.org/1yi5 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1yi5 RCSB], [https://www.ebi.ac.uk/pdbsum/1yi5 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1yi5 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[https://www.uniprot.org/uniprot/ACHP_LYMST ACHP_LYMST]] Binds to acetylcholine. Modulates neuronal synaptic transmission. [[https://www.uniprot.org/uniprot/NXL1_NAJKA NXL1_NAJKA]] The monomeric form binds with high affinity to muscular, Torpedo (muscle-type), and neuronal alpha-7 nicotinic acetylcholine receptors (nAChR). Has no effect on alpha-3/beta-2 nAChR. Causes paralysis by preventing acetylcholine binding to the nAChR. Does not show any blockade of the nicotine-evoked release of dopamine and does not affect ACh release. In mice lung cancer, causes reduction of tumor growth.<ref>PMID:18381281</ref> <ref>PMID:6771288</ref> <ref>PMID:6553056</ref> <ref>PMID:2086254</ref> <ref>PMID:9053737</ref> <ref>PMID:9305882</ref> <ref>PMID:9840221</ref> <ref>PMID:10574958</ref> <ref>PMID:18067132</ref> The homodimeric form binds with low affinity to Torpedo (muscle-type) and alpha-7 nAChRs, whereas it acquires the capacity to block alpha-3/beta-2 nAChRs.<ref>PMID:18381281</ref> <ref>PMID:6771288</ref> <ref>PMID:6553056</ref> <ref>PMID:2086254</ref> <ref>PMID:9053737</ref> <ref>PMID:9305882</ref> <ref>PMID:9840221</ref> <ref>PMID:10574958</ref> <ref>PMID:18067132</ref>
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[https://www.uniprot.org/uniprot/ACHP_LYMST ACHP_LYMST] Binds to acetylcholine. Modulates neuronal synaptic transmission.
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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[[Category: Naja siamensis]]
[[Category: Naja siamensis]]
[[Category: RCSB PDB Molecule of the Month]]
[[Category: RCSB PDB Molecule of the Month]]
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[[Category: Bourne, Y]]
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[[Category: Bourne Y]]
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[[Category: Hansen, S B]]
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[[Category: Hansen SB]]
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[[Category: Marchot, P]]
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[[Category: Marchot P]]
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[[Category: Talley, T T]]
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[[Category: Talley TT]]
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[[Category: Taylor, P]]
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[[Category: Taylor P]]
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[[Category: Acetylcholine binding protein]]
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[[Category: Snake three-fingered alpha-neurotoxin]]
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[[Category: Toxin]]
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Current revision

Crystal structure of the a-cobratoxin-AChBP complex

PDB ID 1yi5

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