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1nu2

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{{STRUCTURE_1nu2| PDB=1nu2 | SCENE= }}
{{STRUCTURE_1nu2| PDB=1nu2 | SCENE= }}
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'''Crystal structure of the murine Disabled-1 (Dab1) PTB domain-ApoER2 peptide-PI-4,5P2 ternary complex'''
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===Crystal structure of the murine Disabled-1 (Dab1) PTB domain-ApoER2 peptide-PI-4,5P2 ternary complex===
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==Overview==
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Formation of the mammalian six-layered neocortex depends on a signaling pathway that involves Reelin, the very low-density lipoprotein receptor, the apolipoprotein E receptor-2 (ApoER2), and the adaptor protein Disabled-1 (Dab1). The 1.5 A crystal structure of a complex between the Dab1 phosphotyrosine binding (PTB) domain and a 14-residue peptide from the ApoER2 tail explains the unusual preference of Dab1 for unphosphorylated tyrosine within the NPxY motif of the peptide. Crystals of the complex soaked with the phosphoinositide PI-4,5P(2) (PI) show that PI binds to conserved basic residues on the PTB domain opposite the peptide binding groove. This finding explains how the Dab1 PTB domain can simultaneously bind PI and the ApoER2 tail. Recruitment of the Dab1 PTB domain to PI-rich regions of the plasma membrane may facilitate association with the Reelin receptor cytoplasmic tails to transduce a critical positional cue to migrating neurons.
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{{ABSTRACT_PUBMED_12737822}}
==About this Structure==
==About this Structure==
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 02:58:33 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 06:20:39 2008''

Revision as of 03:20, 29 July 2008

Image:1nu2.png

Template:STRUCTURE 1nu2

Crystal structure of the murine Disabled-1 (Dab1) PTB domain-ApoER2 peptide-PI-4,5P2 ternary complex

Template:ABSTRACT PUBMED 12737822

About this Structure

1NU2 is a Single protein structure of sequence from Mus musculus. Full crystallographic information is available from OCA.

Reference

Origins of peptide selectivity and phosphoinositide binding revealed by structures of disabled-1 PTB domain complexes., Stolt PC, Jeon H, Song HK, Herz J, Eck MJ, Blacklow SC, Structure. 2003 May;11(5):569-79. PMID:12737822

Page seeded by OCA on Tue Jul 29 06:20:39 2008

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