4ivt: Difference between revisions

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<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=4ivt FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4ivt OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4ivt RCSB], [http://www.ebi.ac.uk/pdbsum/4ivt 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=4ivt FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4ivt OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4ivt RCSB], [http://www.ebi.ac.uk/pdbsum/4ivt PDBsum]</span></td></tr>
</table>
</table>
== Function ==
[[http://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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== Publication Abstract from PubMed ==
== Publication Abstract from PubMed ==

Revision as of 02:56, 25 December 2014

Crystal structure of BACE1 with its inhibitorCrystal structure of BACE1 with its inhibitor

Structural highlights

4ivt is a 1 chain structure with sequence from Human. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:,
Gene:BACE1 (HUMAN)
Activity:Memapsin 2, with EC number 3.4.23.46
Resources:FirstGlance, OCA, RCSB, PDBsum

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 PubMed

Proteolytic cleavage of amyloid precursor protein by beta-secretase (BACE1) is a key step in generating the N-terminal of beta-amyloid (Abeta), which further forms into amyloid plaques that are considered as the hallmark of Alzheimer's disease. Inhibitors of BACE1 can reduce the levels of Abeta and thus have a therapeutic potential for treating the disease. We report here the identification of a series of small molecules bearing an indole acylguanidine core structure as potent BACE1 inhibitors. The initial weak fragment was discovered by virtual screening, and followed with a hit-to-lead optimization. With the aid of co-crystal structures of two discovered inhibitors (compounds 19 and 25) with BACE1, we explored the SAR around the indole and aryl groups, and obtained several BACE1 inhibitors about 1,000-fold more potent than the initial fragment hit. Accompanying the lead optimization, a previously under-explored sub-site opposite the flap loop was redefined as a potential binding site for later BACE1 inhibitor design.

Virtual screening and structure-based discovery of indole acylguanidines as potent beta-secretase (BACE1) inhibitors.,Zou Y, Li L, Chen W, Chen T, Ma L, Wang X, Xiong B, Xu Y, Shen J Molecules. 2013 May 16;18(5):5706-22. doi: 10.3390/molecules18055706. PMID:23681056[3]

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

See Also

References

  1. Lin X, Koelsch G, Wu S, Downs D, Dashti A, Tang J. Human aspartic protease memapsin 2 cleaves the beta-secretase site of beta-amyloid precursor protein. Proc Natl Acad Sci U S A. 2000 Feb 15;97(4):1456-60. PMID:10677483
  2. Okada H, Zhang W, Peterhoff C, Hwang JC, Nixon RA, Ryu SH, Kim TW. Proteomic identification of sorting nexin 6 as a negative regulator of BACE1-mediated APP processing. FASEB J. 2010 Aug;24(8):2783-94. doi: 10.1096/fj.09-146357. Epub 2010 Mar 30. PMID:20354142 doi:10.1096/fj.09-146357
  3. Zou Y, Li L, Chen W, Chen T, Ma L, Wang X, Xiong B, Xu Y, Shen J. Virtual screening and structure-based discovery of indole acylguanidines as potent beta-secretase (BACE1) inhibitors. Molecules. 2013 May 16;18(5):5706-22. doi: 10.3390/molecules18055706. PMID:23681056 doi:http://dx.doi.org/10.3390/molecules18055706

4ivt, resolution 1.60Å

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