2dez: Difference between revisions

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[[Image:2dez.jpg|left|200px]]
{{Seed}}
[[Image:2dez.png|left|200px]]


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{{STRUCTURE_2dez|  PDB=2dez  |  SCENE=  }}  
{{STRUCTURE_2dez|  PDB=2dez  |  SCENE=  }}  


'''Structure of human PYY'''
===Structure of human PYY===




==Overview==
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PYY3-36 is a biopharmaceutical antiobesity agent under development as well as an endogenous satiety hormone, which is generated by dipeptidyl peptidase-IV digestion of polypetide YY (PYY), and in contrast to the parent hormone, PYY is highly selective for the Y2 versus the Y1 receptor. NMR analysis revealed a highly ordered, back-folded structure for human PYY in aqueous solution similar to the classical PP-fold structure of pancreatic polypeptide. The NMR analysis of PYY3-36 also showed a folded structure resembling a PP-fold, which however was characterized by far fewer long distance NOEs than the PP-fold observed in the full-length peptide. This suggests that either a conformational change has occurred in the N-terminal segment of PYY3-36 or that this segments is characterized by larger dynamics. The study supports the notion that the PP-fold is crucial for establishing simultaneous interactions with two subsites in the receptor for binding of, respectively, the N- and C-terminal ends of PYY. The Y2 receptor only requires recognition of the C-terminal segment of the molecule as displayed by the Y2 selective PYY3-36.
The line below this paragraph, {{ABSTRACT_PUBMED_16819834}}, adds the Publication Abstract to the page
(as it appears on PubMed at http://www.pubmed.gov), where 16819834 is the PubMed ID number.
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{{ABSTRACT_PUBMED_16819834}}


==About this Structure==
==About this Structure==
2DEZ is a [[Single protein]] structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2DEZ OCA].  
2DEZ is a [[Single protein]] structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2DEZ OCA].  


==Reference==
==Reference==
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[[Category: Peptide]]
[[Category: Peptide]]
[[Category: Pp-fold]]
[[Category: Pp-fold]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May  4 00:17:59 2008''
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Jul 27 15:16:16 2008''

Revision as of 12:16, 27 July 2008

File:2dez.png

Template:STRUCTURE 2dez

Structure of human PYY

Template:ABSTRACT PUBMED 16819834

About this Structure

2DEZ is a Single protein structure. Full experimental information is available from OCA.

Reference

The PP-fold solution structure of human polypeptide YY and human PYY3-36 as determined by NMR., Nygaard R, Nielbo S, Schwartz TW, Poulsen FM, Biochemistry. 2006 Jul 11;45(27):8350-7. PMID:16819834

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