3l38

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[[Image:3l38.png|left|200px]]
 
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{{STRUCTURE_3l38| PDB=3l38 | SCENE= }}
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==Bace1 in complex with the aminopyridine Compound 44==
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<StructureSection load='3l38' size='340' side='right'caption='[[3l38]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3l38]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3L38 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3L38 FirstGlance]. <br>
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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]] 2.1&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=879:6-({2-(2-CHLOROPHENYL)-5-[4-(PYRIMIDIN-5-YLOXY)PHENYL]-1H-PYRROL-1-YL}METHYL)PYRIDIN-2-AMINE'>879</scene></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=3l38 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3l38 OCA], [https://pdbe.org/3l38 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3l38 RCSB], [https://www.ebi.ac.uk/pdbsum/3l38 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3l38 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/BACE1_HUMAN BACE1_HUMAN] Responsible for the proteolytic processing of the amyloid precursor protein (APP). Cleaves at the N-terminus of the A-beta peptide sequence, between residues 671 and 672 of APP, leads to the generation and extracellular release of beta-cleaved soluble APP, and a corresponding cell-associated C-terminal fragment which is later released by gamma-secretase.<ref>PMID:10677483</ref> <ref>PMID:20354142</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/l3/3l38_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.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=3l38 ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The proteolytic enzyme beta-secretase (BACE1) plays a central role in the synthesis of the pathogenic beta-amyloid in Alzheimer's disease. Recently, we reported small molecule acylguanidines as potent BACE1 inhibitors. However, many of these acylguanidines have a high polar surface area (e.g. as measured by the topological polar surface area or TPSA), which is unfavorable for crossing the blood-brain barrier. Herein, we describe the identification of the 2-aminopyridine moiety as a bioisosteric replacement of the acylguanidine moiety, which resulted in inhibitors with lower TPSA values and superior brain penetration. X-ray crystallographic studies indicated that the 2-aminopyridine moiety interacts directly with the catalytic aspartic acids Asp32 and Asp228 via a hydrogen-bonding network.
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===Bace1 in complex with the aminopyridine Compound 44===
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Novel pyrrolyl 2-aminopyridines as potent and selective human beta-secretase (BACE1) inhibitors.,Malamas MS, Barnes K, Hui Y, Johnson M, Lovering F, Condon J, Fobare W, Solvibile W, Turner J, Hu Y, Manas ES, Fan K, Olland A, Chopra R, Bard J, Pangalos MN, Reinhart P, Robichaud AJ Bioorg Med Chem Lett. 2010 Apr 1;20(7):2068-73. Epub 2010 Feb 23. PMID:20223661<ref>PMID:20223661</ref>
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{{ABSTRACT_PUBMED_20223661}}
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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==About this Structure==
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<div class="pdbe-citations 3l38" style="background-color:#fffaf0;"></div>
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[[3l38]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3L38 OCA].
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==See Also==
==See Also==
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*[[Beta secretase|Beta secretase]]
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*[[Beta secretase 3D structures|Beta secretase 3D structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:020223661</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Memapsin 2]]
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[[Category: Large Structures]]
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[[Category: Chopra, R.]]
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[[Category: Chopra R]]
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[[Category: Olland, A M.]]
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[[Category: Olland AM]]
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[[Category: Aminopyridine]]
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[[Category: Aspartyl protease]]
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[[Category: Bace-1]]
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[[Category: Beta-secretase]]
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[[Category: Disulfide bond]]
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[[Category: Hydrolase]]
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[[Category: Inhibitor]]
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[[Category: Protease]]
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[[Category: Transmembrane]]
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[[Category: Zymogen]]
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Current revision

Bace1 in complex with the aminopyridine Compound 44

PDB ID 3l38

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