1pjd: Difference between revisions
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==Structure and Topology of a Peptide Segment of the 6th Transmembrane Domain of the Saccharomyces cerevisiae alpha-Factor Receptor in Phospholipid Bilayers== | |||
<StructureSection load='1pjd' size='340' side='right'caption='[[1pjd]]' scene=''> | |||
== Structural highlights == | |||
<table><tr><td colspan='2'>[[1pjd]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1PJD OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1PJD FirstGlance]. <br> | |||
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solid-state NMR</td></tr> | |||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1pjd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1pjd OCA], [https://pdbe.org/1pjd PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1pjd RCSB], [https://www.ebi.ac.uk/pdbsum/1pjd PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1pjd ProSAT]</span></td></tr> | |||
</table> | |||
== Function == | |||
[https://www.uniprot.org/uniprot/STE2_YEAST STE2_YEAST] Receptor for the peptide pheromone alpha factor, the mating factor of yeast. | |||
<div style="background-color:#fffaf0;"> | |||
== Publication Abstract from PubMed == | |||
A detailed analysis of the structure of an 18-residue peptide AQSLLVPSIIFILAYSLK [M6(252-269, C252A)] in 1,2-dimyristoyl-sn-glycero-phosphocholine bilayers was carried out using solid state NMR and attenuated total reflection Fourier transform infrared spectroscopy. The peptide corresponds to a portion of the 6th transmembrane domain of the alpha-factor receptor of Saccharomyces cerevisiae. Ten homologs of M6(252-269, C252A) were synthesized in which individual residues were labeled with (15)N. One- and two-dimensional solid state NMR experiments were used to determine the chemical shifts and (1)H-(15)N dipolar coupling constants for the (15)N-labeled peptides in oriented dimyristoylphosphatidylcholine bilayers on stacked glass plates. These parameters were used to calculate the structure and orientation of M6(252-269, C252A) in the bilayers. The results indicate that the carboxyl terminal residues (9-14) are alpha-helical and oriented with an angle of about 8 degrees with respect to the bilayer normal. Independently, an attenuated total reflection Fourier transform infrared spectroscopy analysis on M6(252-269, C252A) in a 1,2-dimyristoyl-sn-glycero-phosphocholine bilayer concluded that the helix tilt angle was about 12.5 degrees. The results on the structure of M6(252-269, C252A) in bilayers are in good agreement with the structure determined in trifluoroethanol/water solutions (B. Arshava et al. Biopolymers, 1998, Vol. 46, pp. 343-357). The present study shows that solid state NMR spectroscopy can provide high resolution information on the structure of transmembrane domains of a G protein-coupled receptor. | |||
Structure and topology of a peptide segment of the 6th transmembrane domain of the Saccharomyces cerevisae alpha-factor receptor in phospholipid bilayers.,Valentine KG, Liu SF, Marassi FM, Veglia G, Opella SJ, Ding FX, Wang SH, Arshava B, Becker JM, Naider F Biopolymers. 2001 Oct 5;59(4):243-56. PMID:11473349<ref>PMID:11473349</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
</div> | |||
== | <div class="pdbe-citations 1pjd" style="background-color:#fffaf0;"></div> | ||
[[ | == References == | ||
[[Category: Arshava | <references/> | ||
[[Category: Becker | __TOC__ | ||
[[Category: Ding | </StructureSection> | ||
[[Category: Liu | [[Category: Large Structures]] | ||
[[Category: Marassi | [[Category: Saccharomyces cerevisiae]] | ||
[[Category: Naider | [[Category: Arshava B]] | ||
[[Category: Nevzorov | [[Category: Becker JM]] | ||
[[Category: Opella | [[Category: Ding F-X]] | ||
[[Category: Valentine | [[Category: Liu S-F]] | ||
[[Category: Veglia | [[Category: Marassi FM]] | ||
[[Category: Wang | [[Category: Naider F]] | ||
[[Category: Nevzorov AA]] | |||
[[Category: Opella SJ]] | |||
[[Category: Valentine KG]] | |||
[[Category: Veglia G]] | |||
[[Category: Wang S-H]] | |||
Latest revision as of 14:24, 2 August 2023
Structure and Topology of a Peptide Segment of the 6th Transmembrane Domain of the Saccharomyces cerevisiae alpha-Factor Receptor in Phospholipid BilayersStructure and Topology of a Peptide Segment of the 6th Transmembrane Domain of the Saccharomyces cerevisiae alpha-Factor Receptor in Phospholipid Bilayers
Structural highlights
FunctionSTE2_YEAST Receptor for the peptide pheromone alpha factor, the mating factor of yeast. Publication Abstract from PubMedA detailed analysis of the structure of an 18-residue peptide AQSLLVPSIIFILAYSLK [M6(252-269, C252A)] in 1,2-dimyristoyl-sn-glycero-phosphocholine bilayers was carried out using solid state NMR and attenuated total reflection Fourier transform infrared spectroscopy. The peptide corresponds to a portion of the 6th transmembrane domain of the alpha-factor receptor of Saccharomyces cerevisiae. Ten homologs of M6(252-269, C252A) were synthesized in which individual residues were labeled with (15)N. One- and two-dimensional solid state NMR experiments were used to determine the chemical shifts and (1)H-(15)N dipolar coupling constants for the (15)N-labeled peptides in oriented dimyristoylphosphatidylcholine bilayers on stacked glass plates. These parameters were used to calculate the structure and orientation of M6(252-269, C252A) in the bilayers. The results indicate that the carboxyl terminal residues (9-14) are alpha-helical and oriented with an angle of about 8 degrees with respect to the bilayer normal. Independently, an attenuated total reflection Fourier transform infrared spectroscopy analysis on M6(252-269, C252A) in a 1,2-dimyristoyl-sn-glycero-phosphocholine bilayer concluded that the helix tilt angle was about 12.5 degrees. The results on the structure of M6(252-269, C252A) in bilayers are in good agreement with the structure determined in trifluoroethanol/water solutions (B. Arshava et al. Biopolymers, 1998, Vol. 46, pp. 343-357). The present study shows that solid state NMR spectroscopy can provide high resolution information on the structure of transmembrane domains of a G protein-coupled receptor. Structure and topology of a peptide segment of the 6th transmembrane domain of the Saccharomyces cerevisae alpha-factor receptor in phospholipid bilayers.,Valentine KG, Liu SF, Marassi FM, Veglia G, Opella SJ, Ding FX, Wang SH, Arshava B, Becker JM, Naider F Biopolymers. 2001 Oct 5;59(4):243-56. PMID:11473349[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. References
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