This old version of Proteopedia is provided for student assignments while the new version is undergoing repairs. Content and edits done in this old version of Proteopedia after March 1, 2026 will eventually be lost when it is retired in about June of 2026.

Apply for new accounts at the new Proteopedia. Your logins will work in both the old and new versions.

3qz2

From Proteopedia

(Difference between revisions)

Jump to: navigation, search

Revision as of 12:18, 5 August 2016

The structure of cysteine-free human insulin degrading enzyme

Structural highlights

3qz2 is a 2 chain structure with sequence from Human. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:
Activity:	Insulysin, with EC number 3.4.24.56
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

[IDE_HUMAN] Plays a role in the cellular breakdown of insulin, IAPP, glucagon, bradykinin, kallidin and other peptides, and thereby plays a role in intercellular peptide signaling. Degrades amyloid formed by APP and IAPP. May play a role in the degradation and clearance of naturally secreted amyloid beta-protein by neurons and microglia.^[1] ^[2] ^[3]

Publication Abstract from PubMed

Insulin degrading enzyme (IDE) is a highly conserved zinc metalloprotease that is involved in the clearance of various physiologically peptides like amyloid-beta and insulin. This enzyme has been involved in the physiopathology of diabetes and Alzheimer's disease. We describe here a series of small molecules discovered by screening. Co-crystallization of the compounds with IDE revealed a binding both at the permanent exosite and at the discontinuous, conformational catalytic site. Preliminary structure-activity relationships are described. Selective inhibition of amyloid-beta degradation over insulin hydrolysis was possible. Neuroblastoma cells treated with the optimized compound display a dose-dependent increase in amyloid-beta levels.

Imidazole-derived 2-[N-carbamoylmethyl-alkylamino]acetic acids, substrate-dependent modulators of insulin-degrading enzyme in amyloid-beta hydrolysis.,Charton J, Gauriot M, Guo Q, Hennuyer N, Marechal X, Dumont J, Hamdane M, Pottiez V, Landry V, Sperandio O, Flipo M, Buee L, Staels B, Leroux F, Tang WJ, Deprez B, Deprez-Poulain R Eur J Med Chem. 2014 Apr 4;79C:184-193. doi: 10.1016/j.ejmech.2014.04.009. PMID:24735644^[4]

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

References

↑ Vekrellis K, Ye Z, Qiu WQ, Walsh D, Hartley D, Chesneau V, Rosner MR, Selkoe DJ. Neurons regulate extracellular levels of amyloid beta-protein via proteolysis by insulin-degrading enzyme. J Neurosci. 2000 Mar 1;20(5):1657-65. PMID:10684867
↑ Im H, Manolopoulou M, Malito E, Shen Y, Zhao J, Neant-Fery M, Sun CY, Meredith SC, Sisodia SS, Leissring MA, Tang WJ. Structure of substrate-free human insulin-degrading enzyme (IDE) and biophysical analysis of ATP-induced conformational switch of IDE. J Biol Chem. 2007 Aug 31;282(35):25453-63. Epub 2007 Jul 5. PMID:17613531 doi:10.1074/jbc.M701590200
↑ Malito E, Ralat LA, Manolopoulou M, Tsay JL, Wadlington NL, Tang WJ. Molecular Bases for the Recognition of Short Peptide Substrates and Cysteine-Directed Modifications of Human Insulin-Degrading Enzyme. Biochemistry. 2008 Nov 6. PMID:18986166 doi:10.1021/bi801192h
↑ Charton J, Gauriot M, Guo Q, Hennuyer N, Marechal X, Dumont J, Hamdane M, Pottiez V, Landry V, Sperandio O, Flipo M, Buee L, Staels B, Leroux F, Tang WJ, Deprez B, Deprez-Poulain R. Imidazole-derived 2-[N-carbamoylmethyl-alkylamino]acetic acids, substrate-dependent modulators of insulin-degrading enzyme in amyloid-beta hydrolysis. Eur J Med Chem. 2014 Apr 4;79C:184-193. doi: 10.1016/j.ejmech.2014.04.009. PMID:24735644 doi:http://dx.doi.org/10.1016/j.ejmech.2014.04.009

1 Structural highlights
2 Function
3 Publication Abstract from PubMed
4 See Also
5 References

Proteopedia Page Contributors and Editors (what is this?)

OCA

Retrieved from "http://52.214.119.220/wiki/index.php/3qz2"

@@ Line 1: / Line 1: @@
 ==The structure of cysteine-free human insulin degrading enzyme==
 <StructureSection load='3qz2' size='340' side='right' caption='[[3qz2]], [[Resolution|resolution]] 3.20&Aring;' scene=''>
@@ Line 5: / Line 6: @@
 </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
 <tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Insulysin Insulysin], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.4.24.56 3.4.24.56] </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=3qz2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3qz2 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3qz2 RCSB], [http://www.ebi.ac.uk/pdbsum/3qz2 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=3qz2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3qz2 OCA], [http://pdbe.org/3qz2 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3qz2 RCSB], [http://www.ebi.ac.uk/pdbsum/3qz2 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=3qz2 ProSAT]</span></td></tr>
 </table>
 == Function ==
@@ Line 17: / Line 18: @@
 From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
 </div>
+<div class="pdbe-citations 3qz2" style="background-color:#fffaf0;"></div>
 ==See Also==

3qz2

From Proteopedia

Revision as of 12:18, 5 August 2016

The structure of cysteine-free human insulin degrading enzyme

Structural highlights

Function

Publication Abstract from PubMed

See Also

References

Contents

Proteopedia Page Contributors and Editors (what is this?)

Views

Personal tools

Navigation

Search

Toolbox