1xr0

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[[Image:1xr0.gif|left|200px]]
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{{STRUCTURE_1xr0| PDB=1xr0 | SCENE= }}
{{STRUCTURE_1xr0| PDB=1xr0 | SCENE= }}
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'''Structural Basis of SNT PTB Domain Interactions with Distinct Neurotrophic Receptors'''
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===Structural Basis of SNT PTB Domain Interactions with Distinct Neurotrophic Receptors===
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==Overview==
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SNT adaptor proteins transduce activation of fibroblast growth factor receptors (FGFRs) and neurotrophin receptors (TRKs) to common signaling targets. The SNT-1 phosphotyrosine binding (PTB) domain recognizes activated TRKs at a canonical NPXpY motif and, atypically, binds to nonphosphorylated FGFRs in a region lacking tyrosine or asparagine. Here, using NMR and mutational analyses, we show that the PTB domain utilizes distinct sets of amino acid residues to interact with FGFRs or TRKs in a mutually exclusive manner. The FGFR1 peptide wraps around the beta sandwich structure of the PTB domain, and its binding is possibly regulated by conformational change of a unique C-terminal beta strand in the protein. Our results suggest mechanisms by which SNTs serve as molecular switches to mediate the essential interplay between FGFR and TRK signaling during neuronal differentiation.
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{{ABSTRACT_PUBMED_11090629}}
==About this Structure==
==About this Structure==
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1XR0 is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1XR0 OCA].
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1XR0 is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1XR0 OCA].
==Reference==
==Reference==
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[[Category: Snt]]
[[Category: Snt]]
[[Category: Trk]]
[[Category: Trk]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 15:23:39 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 21:29:16 2008''

Revision as of 18:29, 28 July 2008

Image:1xr0.png

Template:STRUCTURE 1xr0

Structural Basis of SNT PTB Domain Interactions with Distinct Neurotrophic Receptors

Template:ABSTRACT PUBMED 11090629

About this Structure

1XR0 is a Protein complex structure of sequences from Homo sapiens. Full experimental information is available from OCA.

Reference

Structural basis of SNT PTB domain interactions with distinct neurotrophic receptors., Dhalluin C, Yan KS, Plotnikova O, Lee KW, Zeng L, Kuti M, Mujtaba S, Goldfarb MP, Zhou MM, Mol Cell. 2000 Oct;6(4):921-9. PMID:11090629

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