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==Solution structure of the yeast Sti1 DP1 domain==
==Solution structure of the yeast Sti1 DP1 domain==
<StructureSection load='2llv' size='340' side='right' caption='[[2llv]], [[NMR_Ensembles_of_Models | 21 NMR models]]' scene=''>
<StructureSection load='2llv' size='340' side='right'caption='[[2llv]]' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[2llv]] is a 1 chain structure with 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=2LLV OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2LLV FirstGlance]. <br>
<table><tr><td colspan='2'>[[2llv]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Saccharomyces_cerevisiae_S288C Saccharomyces cerevisiae S288C]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2LLV OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2LLV FirstGlance]. <br>
</td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2llw|2llw]]</td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">OR26.17, STI1, YOR027W ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=4932 Saccharomyces cerevisiae])</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=2llv FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2llv OCA], [https://pdbe.org/2llv PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2llv RCSB], [https://www.ebi.ac.uk/pdbsum/2llv PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2llv ProSAT]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2llv FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2llv OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2llv RCSB], [http://www.ebi.ac.uk/pdbsum/2llv PDBsum]</span></td></tr>
</table>
</table>
<div style="background-color:#fffaf0;">
== Function ==
== Publication Abstract from PubMed ==
[https://www.uniprot.org/uniprot/STI1_YEAST STI1_YEAST]
Sti1/Hop is a modular protein required for the transfer of client proteins from the Hsp70 to the Hsp90 chaperone system in eukaryotes. It binds Hsp70 and Hsp90 simultaneously via TPR (tetratricopeptide repeat) domains. Sti1/Hop contains three TPR domains (TPR1, TPR2A and TPR2B) and two domains of unknown structure (DP1 and DP2). We show that TPR2A is the high affinity Hsp90-binding site and TPR1 and TPR2B bind Hsp70 with moderate affinity. The DP domains exhibit highly homologous alpha-helical folds as determined by NMR. These, and especially DP2, are important for client activation in vivo. The core module of Sti1 for Hsp90 inhibition is the TPR2A-TPR2B segment. In the crystal structure, the two TPR domains are connected via a rigid linker orienting their peptide-binding sites in opposite directions and allowing the simultaneous binding of TPR2A to the Hsp90 C-terminal domain and of TPR2B to Hsp70. Both domains also interact with the Hsp90 middle domain. The accessory TPR1-DP1 module may serve as an Hsp70-client delivery system for the TPR2A-TPR2B-DP2 segment, which is required for client activation in vivo.
 
The architecture of functional modules in the Hsp90 co-chaperone Sti1/Hop.,Schmid AB, Lagleder S, Grawert MA, Rohl A, Hagn F, Wandinger SK, Cox MB, Demmer O, Richter K, Groll M, Kessler H, Buchner J EMBO J. 2012 Jan 6. doi: 10.1038/emboj.2011.472. PMID:22227520<ref>PMID:22227520</ref>
 
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>


==See Also==
==See Also==
*[[Heat Shock Proteins|Heat Shock Proteins]]
*[[Heat Shock Protein structures|Heat Shock Protein structures]]
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Saccharomyces cerevisiae]]
[[Category: Large Structures]]
[[Category: Buchner, J]]
[[Category: Saccharomyces cerevisiae S288C]]
[[Category: Cox, M B]]
[[Category: Buchner J]]
[[Category: Demmer, O]]
[[Category: Cox MB]]
[[Category: Graewert, M A]]
[[Category: Demmer O]]
[[Category: Groll, M]]
[[Category: Graewert MA]]
[[Category: Hagn, F]]
[[Category: Groll M]]
[[Category: Kessler, H]]
[[Category: Hagn F]]
[[Category: Lagleder, S]]
[[Category: Kessler H]]
[[Category: Richter, K]]
[[Category: Lagleder S]]
[[Category: Roehl, A]]
[[Category: Richter K]]
[[Category: Schmid, A B]]
[[Category: Roehl A]]
[[Category: Wandinger, S K]]
[[Category: Schmid AB]]
[[Category: Alpha helix]]
[[Category: Wandinger SK]]
[[Category: Chaperone]]
[[Category: Dp domain]]

Latest revision as of 09:56, 1 May 2024

Solution structure of the yeast Sti1 DP1 domainSolution structure of the yeast Sti1 DP1 domain

Structural highlights

2llv is a 1 chain structure with sequence from Saccharomyces cerevisiae S288C. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:Solution NMR
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

STI1_YEAST

See Also

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