1ymp
From Proteopedia
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'''The Crystal Structure of a Partial Mouse Notch-1 Ankyrin Domain: Repeats 4 Through 7 Preserve an Ankyrin Fold''' | '''The Crystal Structure of a Partial Mouse Notch-1 Ankyrin Domain: Repeats 4 Through 7 Preserve an Ankyrin Fold''' | ||
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[[Category: Lubman, O Y.]] | [[Category: Lubman, O Y.]] | ||
[[Category: Waksman, G.]] | [[Category: Waksman, G.]] | ||
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| - | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 16:31:04 2008'' | |
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Revision as of 13:31, 3 May 2008
The Crystal Structure of a Partial Mouse Notch-1 Ankyrin Domain: Repeats 4 Through 7 Preserve an Ankyrin Fold
Overview
Folding and stability of proteins containing ankyrin repeats (ARs) is of great interest because they mediate numerous protein-protein interactions involved in a wide range of regulatory cellular processes. Notch, an ankyrin domain containing protein, signals by converting a transcriptional repression complex into an activation complex. The Notch ANK domain is essential for Notch function and contains seven ARs. Here, we present the 2.2 A crystal structure of ARs 4-7 from mouse Notch 1 (m1ANK). These C-terminal repeats were resistant to degradation during crystallization, and their secondary and tertiary structures are maintained in the absence of repeats 1-3. The crystallized fragment adopts a typical ankyrin fold including the poorly conserved seventh AR, as seen in the Drosophila Notch ANK domain (dANK). The structural preservation and stability of the C-terminal repeats shed a new light onto the mechanism of hetero-oligomeric assembly during Notch-mediated transcriptional activation.
About this Structure
1YMP is a Single protein structure of sequence from Mus musculus. Full crystallographic information is available from OCA.
Reference
The crystal structure of a partial mouse Notch-1 ankyrin domain: repeats 4 through 7 preserve an ankyrin fold., Lubman OY, Kopan R, Waksman G, Korolev S, Protein Sci. 2005 May;14(5):1274-81. Epub 2005 Mar 31. PMID:15802643 Page seeded by OCA on Sat May 3 16:31:04 2008
