1n99
From Proteopedia
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'''CRYSTAL STRUCTURE OF THE PDZ TANDEM OF HUMAN SYNTENIN''' | '''CRYSTAL STRUCTURE OF THE PDZ TANDEM OF HUMAN SYNTENIN''' | ||
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[[Category: Kang, B S.]] | [[Category: Kang, B S.]] | ||
[[Category: Otlewski, J.]] | [[Category: Otlewski, J.]] | ||
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Revision as of 23:15, 2 May 2008
CRYSTAL STRUCTURE OF THE PDZ TANDEM OF HUMAN SYNTENIN
Overview
Syntenin, a 33 kDa protein, interacts with several cell membrane receptors and with merlin, the product of the causal gene for neurofibromatosis type II. We report a crystal structure of the functional fragment of human syntenin containing two canonical PDZ domains, as well as binding studies for full-length syntenin, the PDZ tandem, and isolated PDZ domains. We show that the functional properties of syntenin are a result of independent interactions with target peptides, and that each domain is able to bind peptides belonging to two different classes: PDZ1 binds peptides from classes I and III, while PDZ2 interacts with classes I and II. The independent binding of merlin by PDZ1 and syndecan-4 by PDZ2 provides direct evidence for the coupling of syndecan-mediated signaling to actin regulation by merlin.
About this Structure
1N99 is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.
Reference
PDZ tandem of human syntenin: crystal structure and functional properties., Kang BS, Cooper DR, Jelen F, Devedjiev Y, Derewenda U, Dauter Z, Otlewski J, Derewenda ZS, Structure. 2003 Apr;11(4):459-68. PMID:12679023 Page seeded by OCA on Sat May 3 02:15:16 2008
