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2fz0

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[[Image:2fz0.gif|left|200px]]
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{{STRUCTURE_2fz0| PDB=2fz0 | SCENE= }}
{{STRUCTURE_2fz0| PDB=2fz0 | SCENE= }}
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'''Identification of yeast R-SNARE Nyv1p as a novel longin domain protein'''
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===Identification of yeast R-SNARE Nyv1p as a novel longin domain protein===
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==Overview==
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Using nuclear magnetic resonance spectroscopy, we establish that the N-terminal domain of the yeast vacuolar R-SNARE Nyv1p adopts a longin-like fold similar to those of Sec22b and Ykt6p. Nyv1p is sorted to the limiting membrane of the vacuole via the adaptor protein (AP)3 adaptin pathway, and we show that its longin domain is sufficient to direct transport to this location. In contrast, we found that the longin domains of Sec22p and Ykt6p were not sufficient to direct their localization. A YXX phi-like adaptin-dependent sorting signal (Y31GTI34) unique to the longin domain of Nyv1p mediates interactions with the AP3 complex in vivo and in vitro. We show that amino acid substitutions to Y31GTI34 (Y31Q;I34Q) resulted in mislocalization of Nyv1p as well as reduced binding of the mutant protein to the AP3 complex. Although the sorting of Nyv1p to the limiting membrane of the vacuole is dependent upon the Y31GTI34 motif, and Y31 in particular, our findings with structure-based amino acid substitutions in the mu chain (Apm3p) of yeast AP3 suggest a mechanistically distinct role for this subunit in the recognition of YXX phi-like sorting signals.
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(as it appears on PubMed at http://www.pubmed.gov), where 16855025 is the PubMed ID number.
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{{ABSTRACT_PUBMED_16855025}}
==About this Structure==
==About this Structure==
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2FZ0 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2FZ0 OCA].
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2FZ0 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2FZ0 OCA].
==Reference==
==Reference==
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[[Category: Longin domain]]
[[Category: Longin domain]]
[[Category: Snare protein]]
[[Category: Snare protein]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 04:28:21 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 23:35:59 2008''

Revision as of 20:36, 28 July 2008

Image:2fz0.png

Template:STRUCTURE 2fz0

Identification of yeast R-SNARE Nyv1p as a novel longin domain protein

Template:ABSTRACT PUBMED 16855025

About this Structure

2FZ0 is a Single protein structure of sequence from Saccharomyces cerevisiae. Full experimental information is available from OCA.

Reference

Identification of the yeast R-SNARE Nyv1p as a novel longin domain-containing protein., Wen W, Chen L, Wu H, Sun X, Zhang M, Banfield DK, Mol Biol Cell. 2006 Oct;17(10):4282-99. Epub 2006 Jul 19. PMID:16855025

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