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1w80

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{{STRUCTURE_1w80| PDB=1w80 | SCENE= }}
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'''CRYSTAL STRUCTURE OF THE ALPHA-ADAPTIN APPENDAGE DOMAIN, FROM THE AP2 ADAPTOR COMPLEX, BOUND TO 2 PEPTIDES FROM SYNAPTOJANIN170'''
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===CRYSTAL STRUCTURE OF THE ALPHA-ADAPTIN APPENDAGE DOMAIN, FROM THE AP2 ADAPTOR COMPLEX, BOUND TO 2 PEPTIDES FROM SYNAPTOJANIN170===
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==Overview==
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Clathrin-mediated endocytosis involves the assembly of a network of proteins that select cargo, modify membrane shape and drive invagination, vesicle scission and uncoating. This network is initially assembled around adaptor protein (AP) appendage domains, which are protein interaction hubs. Using crystallography, we show that FxDxF and WVxF peptide motifs from synaptojanin bind to distinct subdomains on alpha-appendages, called 'top' and 'side' sites. Appendages use both these sites to interact with their binding partners in vitro and in vivo. Occupation of both sites simultaneously results in high-affinity reversible interactions with lone appendages (e.g. eps15 and epsin1). Proteins with multiple copies of only one type of motif bind multiple appendages and so will aid adaptor clustering. These clustered alpha(appendage)-hubs have altered properties where they can sample many different binding partners, which in turn can interact with each other and indirectly with clathrin. In the final coated vesicle, most appendage binding partners are absent and thus the functional status of the appendage domain as an interaction hub is temporal and transitory giving directionality to vesicle assembly.
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(as it appears on PubMed at http://www.pubmed.gov), where 15496985 is the PubMed ID number.
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{{ABSTRACT_PUBMED_15496985}}
==About this Structure==
==About this Structure==
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[[Category: Lipid-binding]]
[[Category: Lipid-binding]]
[[Category: Synaptojanin]]
[[Category: Synaptojanin]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 13:16:59 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Jul 27 16:23:13 2008''

Revision as of 13:23, 27 July 2008

Image:1w80.png

Template:STRUCTURE 1w80

CRYSTAL STRUCTURE OF THE ALPHA-ADAPTIN APPENDAGE DOMAIN, FROM THE AP2 ADAPTOR COMPLEX, BOUND TO 2 PEPTIDES FROM SYNAPTOJANIN170

Template:ABSTRACT PUBMED 15496985

About this Structure

1W80 is a Protein complex structure of sequences from Mus musculus. Full crystallographic information is available from OCA.

Reference

Evolving nature of the AP2 alpha-appendage hub during clathrin-coated vesicle endocytosis., Praefcke GJ, Ford MG, Schmid EM, Olesen LE, Gallop JL, Peak-Chew SY, Vallis Y, Babu MM, Mills IG, McMahon HT, EMBO J. 2004 Nov 10;23(22):4371-83. Epub 2004 Oct 21. PMID:15496985

Page seeded by OCA on Sun Jul 27 16:23:13 2008

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