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.

1ff5

From Proteopedia

(Difference between revisions)

Jump to: navigation, search

Revision as of 18:19, 10 September 2015

STRUCTURE OF E-CADHERIN DOUBLE DOMAIN

Structural highlights

1ff5 is a 2 chain structure with sequence from Lk3 transgenic mice. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:
Related:	1edh, 1ncj, 1ncg, 1nch, 1shu
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum

Function

[CADH1_MOUSE] Cadherins are calcium-dependent cell adhesion proteins. They preferentially interact with themselves in a homophilic manner in connecting cells; cadherins may thus contribute to the sorting of heterogeneous cell types. CDH1 is involved in mechanisms regulating cell-cell adhesions, mobility and proliferation of epithelial cells. Has a potent invasive suppressor role. It is a ligand for integrin alpha-E/beta-7 (By similarity). E-Cad/CTF2 promotes non-amyloidogenic degradation of Abeta precursors. Has a strong inhibitory effect on APP C99 and C83 production (By similarity).

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

Publication Abstract from PubMed

Electron microscopy of ECADCOMP, a recombinant E-cadherin ectodomain pentamerized by the assembly domain of cartilage oligomeric matrix protein, has been used to analyze the role of cis-dimerization and trans-interaction in the homophilic association of this cell adhesion molecule. The Ca2+ dependency of both interactions was investigated. Low Ca2+ concentrations (50 microM) stabilized the rod-like structure of E-cadherin. At medium Ca2+ concentration (500 microM), two adjacent ectodomains in a pentamer formed cis-dimers. At high Ca2+ concentration (>1 mM), two cis-dimers from different pentamers formed a trans-interaction. The X-ray structure of an N-terminal domain pair of E-cadherin revealed two molecules per asymmetric unit in an intertwisted X-shaped arrangement with closest contacts in the Ca2+-binding region between domains 1 and 2. Contrary to previous data, Trp2 was docked in the hydrophobic cavity of its own molecule, and was therefore not involved in cis-dimerization of two molecules. This was supported further by W2A and A80I (a residue involved in the hydrophobic cavity surrounding Trp2) mutations in ECADCOMP which both led to abrogation of the trans- but not the cis-interaction. Structural and biochemical data suggest a link between Ca2+ binding in the millimolar range and Trp2 docking, both events being essential for the trans-association.

A new crystal structure, Ca2+ dependence and mutational analysis reveal molecular details of E-cadherin homoassociation.,Pertz O, Bozic D, Koch AW, Fauser C, Brancaccio A, Engel J EMBO J. 1999 Apr 1;18(7):1738-47. PMID:10202138^[1]

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

References

↑ Pertz O, Bozic D, Koch AW, Fauser C, Brancaccio A, Engel J. A new crystal structure, Ca2+ dependence and mutational analysis reveal molecular details of E-cadherin homoassociation. EMBO J. 1999 Apr 1;18(7):1738-47. PMID:10202138 doi:10.1093/emboj/18.7.1738

1 Structural highlights
2 Function
3 Evolutionary Conservation
4 Publication Abstract from PubMed
5 References

Proteopedia Page Contributors and Editors (what is this?)

OCA

Retrieved from "http://52.214.119.220/wiki/index.php/1ff5"

@@ Line 2: / Line 2: @@
 <StructureSection load='1ff5' size='340' side='right' caption='[[1ff5]], [[Resolution|resolution]] 2.93&Aring;' scene=''>
 == Structural highlights ==
-<table><tr><td colspan='2'>[[1ff5]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1FF5 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1FF5 FirstGlance]. <br>
+<table><tr><td colspan='2'>[[1ff5]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Lk3_transgenic_mice Lk3 transgenic mice]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1FF5 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1FF5 FirstGlance]. <br>
 </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene></td></tr>
 <tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1edh|1edh]], [[1ncj|1ncj]], [[1ncg|1ncg]], [[1nch|1nch]], [[1shu|1shu]]</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=1ff5 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ff5 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1ff5 RCSB], [http://www.ebi.ac.uk/pdbsum/1ff5 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=1ff5 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ff5 OCA], [http://pdbe.org/1ff5 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1ff5 RCSB], [http://www.ebi.ac.uk/pdbsum/1ff5 PDBsum]</span></td></tr>
 </table>
 == Function ==
@@ Line 27: / Line 27: @@
 From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
 </div>
+<div class="pdbe-citations 1ff5" style="background-color:#fffaf0;"></div>
 == References ==
 <references/>
 __TOC__
 </StructureSection>
-[[Category: Mus musculus]]
+[[Category: Lk3 transgenic mice]]
 [[Category: Bozic, D]]
 [[Category: Brancaccio, A]]

1ff5

From Proteopedia

Revision as of 18:19, 10 September 2015

STRUCTURE OF E-CADHERIN DOUBLE DOMAIN

Structural highlights

Function

Evolutionary Conservation

Publication Abstract from PubMed

References

Contents

Proteopedia Page Contributors and Editors (what is this?)

Views

Personal tools

Navigation

Search

Toolbox