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==Aminoimidazoles as BACE-1 Inhibitors. X-RAY CRYSTAL STRUCTURE OF BETA SECRETASE COMPLEXED WITH COMPOUND 23== | ==Aminoimidazoles as BACE-1 Inhibitors. X-RAY CRYSTAL STRUCTURE OF BETA SECRETASE COMPLEXED WITH COMPOUND 23== | ||
<StructureSection load='4acx' size='340' side='right' caption='[[4acx]], [[Resolution|resolution]] 2.00Å' scene=''> | <StructureSection load='4acx' size='340' side='right' caption='[[4acx]], [[Resolution|resolution]] 2.00Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>[[4acx]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/ | <table><tr><td colspan='2'>[[4acx]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4ACX OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4ACX FirstGlance]. <br> | ||
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=S8Z:(8R)-8-[4-(DIFLUOROMETHOXY)PHENYL]-3,3-DIFLUORO-8-[3-(3-METHOXYPROP-1-YN-1-YL)PHENYL]-2,3,4,8-TETRAHYDROIMIDAZO[1,5-A]PYRIMIDIN-6-AMINE'>S8Z</scene></td></tr> | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=S8Z:(8R)-8-[4-(DIFLUOROMETHOXY)PHENYL]-3,3-DIFLUORO-8-[3-(3-METHOXYPROP-1-YN-1-YL)PHENYL]-2,3,4,8-TETRAHYDROIMIDAZO[1,5-A]PYRIMIDIN-6-AMINE'>S8Z</scene></td></tr> | ||
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1fkn|1fkn]], [[1m4h|1m4h]], [[1py1|1py1]], [[1sgz|1sgz]], [[1tqf|1tqf]], [[1ujj|1ujj]], [[1ujk|1ujk]], [[1w50|1w50]], [[1w51|1w51]], [[1xn2|1xn2]], [[1xn3|1xn3]], [[1xs7|1xs7]], [[1ym2|1ym2]], [[1ym4|1ym4]], [[2b8l|2b8l]], [[2b8v|2b8v]], [[2fdp|2fdp]], [[2va5|2va5]], [[2va6|2va6]], [[2va7|2va7]], [[2vie|2vie]], [[2vij|2vij]], [[2viy|2viy]], [[2viz|2viz]], [[2vj6|2vj6]], [[2vj7|2vj7]], [[2vj9|2vj9]], [[2vkm|2vkm]], [[2vnm|2vnm]], [[2vnn|2vnn]], [[2wez|2wez]], [[2wf0|2wf0]], [[2wf1|2wf1]], [[2wf2|2wf2]], [[2wf3|2wf3]], [[2wf4|2wf4]], [[2wjo|2wjo]], [[2xfi|2xfi]], [[2xfj|2xfj]], [[2xfk|2xfk]], [[4acu|4acu]]</td></tr> | <tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1fkn|1fkn]], [[1m4h|1m4h]], [[1py1|1py1]], [[1sgz|1sgz]], [[1tqf|1tqf]], [[1ujj|1ujj]], [[1ujk|1ujk]], [[1w50|1w50]], [[1w51|1w51]], [[1xn2|1xn2]], [[1xn3|1xn3]], [[1xs7|1xs7]], [[1ym2|1ym2]], [[1ym4|1ym4]], [[2b8l|2b8l]], [[2b8v|2b8v]], [[2fdp|2fdp]], [[2va5|2va5]], [[2va6|2va6]], [[2va7|2va7]], [[2vie|2vie]], [[2vij|2vij]], [[2viy|2viy]], [[2viz|2viz]], [[2vj6|2vj6]], [[2vj7|2vj7]], [[2vj9|2vj9]], [[2vkm|2vkm]], [[2vnm|2vnm]], [[2vnn|2vnn]], [[2wez|2wez]], [[2wf0|2wf0]], [[2wf1|2wf1]], [[2wf2|2wf2]], [[2wf3|2wf3]], [[2wf4|2wf4]], [[2wjo|2wjo]], [[2xfi|2xfi]], [[2xfj|2xfj]], [[2xfk|2xfk]], [[4acu|4acu]]</td></tr> | ||
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Memapsin_2 Memapsin 2], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.4.23.46 3.4.23.46] </span></td></tr> | <tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Memapsin_2 Memapsin 2], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.4.23.46 3.4.23.46] </span></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=4acx FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4acx OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4acx RCSB], [http://www.ebi.ac.uk/pdbsum/4acx PDBsum]</span></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=4acx FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4acx OCA], [http://pdbe.org/4acx PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=4acx RCSB], [http://www.ebi.ac.uk/pdbsum/4acx PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=4acx ProSAT]</span></td></tr> | ||
</table> | </table> | ||
== Function == | == Function == | ||
| Line 18: | Line 19: | ||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | ||
</div> | </div> | ||
<div class="pdbe-citations 4acx" style="background-color:#fffaf0;"></div> | |||
==See Also== | ==See Also== | ||
| Line 25: | Line 27: | ||
__TOC__ | __TOC__ | ||
</StructureSection> | </StructureSection> | ||
[[Category: | [[Category: Human]] | ||
[[Category: Memapsin 2]] | [[Category: Memapsin 2]] | ||
[[Category: Berg, S]] | [[Category: Berg, S]] | ||
Revision as of 19:56, 5 August 2016
Aminoimidazoles as BACE-1 Inhibitors. X-RAY CRYSTAL STRUCTURE OF BETA SECRETASE COMPLEXED WITH COMPOUND 23Aminoimidazoles as BACE-1 Inhibitors. X-RAY CRYSTAL STRUCTURE OF BETA SECRETASE COMPLEXED WITH COMPOUND 23
Structural highlights
Function[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.[1] [2] Publication Abstract from PubMedThe evaluation of a series of bicyclic aminoimidazoles as potent BACE-1 inhibitors is described. The crystal structures of compounds 14 and 23 in complex with BACE-1 reveal hydrogen bond interactions with the protein important for achieving potent inhibition. The optimization of permeability and efflux properties of the compounds is discussed as well as the importance of these properties for attaining in vivo brain efficacy. Compound (R)-25 was selected for evaluation in vivo in wild type mice and 1.5h after oral co-administration of 300mumol/kg (R)-25 and efflux inhibitor GF120918 the brain Abeta40 level was reduced by 17% and the plasma Abeta40 level by 76%. Aminoimidazoles as BACE-1 inhibitors: The challenge to achieve in vivo brain efficacy.,Swahn BM, Holenz J, Kihlstrom J, Kolmodin K, Lindstrom J, Plobeck N, Rotticci D, Sehgelmeble F, Sundstrom M, Berg S, Falting J, Georgievska B, Gustavsson S, Neelissen J, Ek M, Olsson LL, Berg S Bioorg Med Chem Lett. 2012 Mar 1;22(5):1854-9. Epub 2012 Jan 28. PMID:22325942[3] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See AlsoReferences
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