1lm5: Difference between revisions
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==Overview== | ==Overview== | ||
Desmosomes are intercellular junctions in which cadherin cell adhesion | Desmosomes are intercellular junctions in which cadherin cell adhesion molecules are linked to the intermediate filament (IF) system. Desmoplakin is a member of the plakin family of IF-binding proteins. The C-terminal domain of desmoplakin (DPCT) mediates binding to IFs in desmosomes. The DPCT sequence contains three regions, termed A, B and C, consisting of 4.5 copies of a 38-amino acid repeat motif. We demonstrate that these regions form discrete subdomains that bind to IFs and report the crystal structures of domains B and C. In contrast to the elongated structures formed by other kinds of repeat motifs, the plakin repeats form a globular structure with a unique fold. A conserved basic groove found on the domain may represent an IF-binding site. | ||
==Disease== | ==Disease== | ||
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[[Category: Homo sapiens]] | [[Category: Homo sapiens]] | ||
[[Category: Single protein]] | [[Category: Single protein]] | ||
[[Category: Choi, H | [[Category: Choi, H J.]] | ||
[[Category: Green, K | [[Category: Green, K J.]] | ||
[[Category: Park-Snyder, S.]] | [[Category: Park-Snyder, S.]] | ||
[[Category: Pascoe, L | [[Category: Pascoe, L T.]] | ||
[[Category: Weis, W | [[Category: Weis, W I.]] | ||
[[Category: plakin repeat]] | [[Category: plakin repeat]] | ||
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 13:46:13 2008'' | ||