1c9i
From Proteopedia
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'''PEPTIDE-IN-GROOVE INTERACTIONS LINK TARGET PROTEINS TO THE B-PROPELLER OF CLATHRIN''' | '''PEPTIDE-IN-GROOVE INTERACTIONS LINK TARGET PROTEINS TO THE B-PROPELLER OF CLATHRIN''' | ||
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[[Category: Harrison, S. C.]] | [[Category: Harrison, S. C.]] | ||
[[Category: Kirchhausen, T.]] | [[Category: Kirchhausen, T.]] | ||
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| - | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 12:29:40 2008'' | |
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Revision as of 09:29, 2 May 2008
PEPTIDE-IN-GROOVE INTERACTIONS LINK TARGET PROTEINS TO THE B-PROPELLER OF CLATHRIN
Overview
The "WD40" domain is a widespread recognition module for linking partner proteins in intracellular networks of signaling and sorting. The clathrin amino-terminal domain, which directs incorporation of cargo into coated pits, is a beta-propeller closely related in structure to WD40 modules. The crystallographically determined structures of complexes of the clathrin-terminal domain with peptides derived from two different cargo adaptors, beta-arrestin 2 and the beta-subunit of the AP-3 complex, reveal strikingly similar peptide-in-groove interactions. The two peptides in our structures contain related, five-residue motifs, which form the core of their contact with clathrin. A number of other proteins involved in endocytosis have similar "clathrin-box" motifs, and it therefore is likely that they all bind the terminal domain in the same way. We propose that a peptide-in-groove interaction is an important general mode by which beta-propellers recognize specific target proteins.
About this Structure
1C9I is a Single protein structure of sequence from Rattus norvegicus. Full crystallographic information is available from OCA.
Reference
Peptide-in-groove interactions link target proteins to the beta-propeller of clathrin., ter Haar E, Harrison SC, Kirchhausen T, Proc Natl Acad Sci U S A. 2000 Feb 1;97(3):1096-100. PMID:10655490 Page seeded by OCA on Fri May 2 12:29:40 2008
