1jxo
From Proteopedia
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'''Crystal Structure of the SH3-HOOK-GK Fragment of PSD-95''' | '''Crystal Structure of the SH3-HOOK-GK Fragment of PSD-95''' | ||
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[[Category: Panepucci, E H.]] | [[Category: Panepucci, E H.]] | ||
[[Category: Tavares, G A.]] | [[Category: Tavares, G A.]] | ||
| - | [[Category: | + | [[Category: Guanylate kinase domain]] |
| - | [[Category: | + | [[Category: Maguk]] |
| - | [[Category: | + | [[Category: Postsynaptic density]] |
| - | [[Category: | + | [[Category: Sh3 domain]] |
| - | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 22:03:08 2008'' | |
| - | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | + | |
Revision as of 19:03, 2 May 2008
Crystal Structure of the SH3-HOOK-GK Fragment of PSD-95
Overview
PSD-95/SAP90 is a member of the MAGUK superfamily. In excitatory synapses, PSD-95 clusters receptors and ion channels at specific sites in the postsynaptic membrane and organizes downstream signaling and cytoskeletal molecules. We have determined the crystal structures of the apo and GMP-bound forms to 2.3 and 2.0 A resolutions, respectively, of a fragment containing the SH3, HOOK, and guanylate kinase (GK) domains of PSD-95. We observe an intramolecular interaction between the SH3 and GK domains involving the formation of a beta sheet including residues N- and C-terminal to the GK domain. Based on amino acid conservation and mutational data available in the literature, we propose that this intramolecular interaction is a common feature among MAGUK proteins.
About this Structure
1JXO is a Single protein structure of sequence from Rattus norvegicus. Full crystallographic information is available from OCA.
Reference
Structural characterization of the intramolecular interaction between the SH3 and guanylate kinase domains of PSD-95., Tavares GA, Panepucci EH, Brunger AT, Mol Cell. 2001 Dec;8(6):1313-25. PMID:11779506 Page seeded by OCA on Fri May 2 22:03:08 2008
