This old version of Proteopedia is provided for student assignments while the new version is undergoing repairs. Content and edits done in this old version of Proteopedia after March 1, 2026 will eventually be lost when it is retired in about June of 2026.


Apply for new accounts at the new Proteopedia. Your logins will work in both the old and new versions.


4v4b

From Proteopedia

(Difference between revisions)
Jump to: navigation, search
Current revision (12:58, 1 March 2024) (edit) (undo)
 
(6 intermediate revisions not shown.)
Line 1: Line 1:
 +
==Structure of the ribosomal 80S-eEF2-sordarin complex from yeast obtained by docking atomic models for RNA and protein components into a 11.7 A cryo-EM map.==
==Structure of the ribosomal 80S-eEF2-sordarin complex from yeast obtained by docking atomic models for RNA and protein components into a 11.7 A cryo-EM map.==
-
<StructureSection load='4v4b' size='340' side='right' caption='[[4v4b]], [[Resolution|resolution]] 11.70&Aring;' scene=''>
+
<SX load='4v4b' size='340' side='right' viewer='molstar' caption='[[4v4b]], [[Resolution|resolution]] 11.70&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
-
<table><tr><td colspan='2'>[[4v4b]] is a 47 chain structure with sequence from [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. This structure supersedes and combines the now removed PDB entries [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1s1i 1s1i] and [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1s1h 1s1h]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4V4B OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4V4B FirstGlance]. <br>
+
<table><tr><td colspan='2'>[[4v4b]] is a 10 chain structure with sequence from [https://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. This structure supersedes the now removed PDB entries [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1s1h 1s1h] and [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1s1i 1s1i]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4V4B OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4V4B FirstGlance]. <br>
-
</td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1s1i|1s1i]], [[1s1h|1s1h]], [[1k5x|1k5x]], [[1k5y|1k5y]], [[1mms|1mms]], [[1mzp|1mzp]], [[1ffk|1ffk]], [[1fjf|1fjf]], [[1fka|1fka]], [[1gix|1gix]], [[1giy|1giy]], [[1nou|1nou]]</td></tr>
+
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 11.7&#8491;</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=4v4b FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4v4b OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4v4b RCSB], [http://www.ebi.ac.uk/pdbsum/4v4b PDBsum]</span></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=4v4b FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4v4b OCA], [https://pdbe.org/4v4b PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4v4b RCSB], [https://www.ebi.ac.uk/pdbsum/4v4b PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4v4b ProSAT]</span></td></tr>
</table>
</table>
-
{{Large structure}}
 
== Function ==
== Function ==
-
[[http://www.uniprot.org/uniprot/RL4A_YEAST RL4A_YEAST]] Participates in the regulation of the accumulation of its own mRNA.<ref>PMID:2065661</ref> [[http://www.uniprot.org/uniprot/RS15_YEAST RS15_YEAST]] Involved in the nuclear export of the small ribosomal subunit. Has a role in the late stage of the assembly of pre-40S particles within the nucleus and controls their export to the cytoplasm.<ref>PMID:15167894</ref> [[http://www.uniprot.org/uniprot/RS9B_YEAST RS9B_YEAST]] Involved in nucleolar processing of pre-18S ribosomal RNA and ribosome assembly.<ref>PMID:15590835</ref> [[http://www.uniprot.org/uniprot/RL5_YEAST RL5_YEAST]] Binds 5S RNA and is required for 60S subunit assembly. [[http://www.uniprot.org/uniprot/RS14A_YEAST RS14A_YEAST]] Involved in nucleolar processing of pre-18S ribosomal RNA and ribosome assembly.<ref>PMID:15590835</ref> [[http://www.uniprot.org/uniprot/RL4B_YEAST RL4B_YEAST]] Participates in the regulation of the accumulation of its own mRNA. [[http://www.uniprot.org/uniprot/RS2_YEAST RS2_YEAST]] Important in the assembly and function of the 40S ribosomal subunit. Mutations in this protein affects the control of translational fidelity. Involved in nucleolar processing of pre-18S ribosomal RNA and ribosome assembly.<ref>PMID:15590835</ref> [[http://www.uniprot.org/uniprot/RL25_YEAST RL25_YEAST]] This protein binds to a specific region on the 26S rRNA. [[http://www.uniprot.org/uniprot/RSSA1_YEAST RSSA1_YEAST]] Required for the assembly and/or stability of the 40S ribosomal subunit. Required for the processing of the 20S rRNA-precursor to mature 18S rRNA in a late step of the maturation of 40S ribosomal subunits.<ref>PMID:9973221</ref> <ref>PMID:14627813</ref> [[http://www.uniprot.org/uniprot/RS19A_YEAST RS19A_YEAST]] Required for proper maturation of the small (40S) ribosomal subunit. Binds to 40s pre-ribosomal particles, probably required after association of NOC4 but before association of ENP1, TSR1 and RIO2 with 20/21S pre-rRNA.<ref>PMID:16159874</ref> <ref>PMID:17726054</ref> [[http://www.uniprot.org/uniprot/RS9A_YEAST RS9A_YEAST]] Involved in nucleolar processing of pre-18S ribosomal RNA and ribosome assembly.<ref>PMID:15590835</ref>
+
[https://www.uniprot.org/uniprot/EF2_YEAST EF2_YEAST]
-
<div style="background-color:#fffaf0;">
+
-
== Publication Abstract from PubMed ==
+
-
An 11.7-A-resolution cryo-EM map of the yeast 80S.eEF2 complex in the presence of the antibiotic sordarin was interpreted in molecular terms, revealing large conformational changes within eEF2 and the 80S ribosome, including a rearrangement of the functionally important ribosomal intersubunit bridges. Sordarin positions domain III of eEF2 so that it can interact with the sarcin-ricin loop of 25S rRNA and protein rpS23 (S12p). This particular conformation explains the inhibitory action of sordarin and suggests that eEF2 is stalled on the 80S ribosome in a conformation that has similarities with the GTPase activation state. A ratchet-like subunit rearrangement (RSR) occurs in the 80S.eEF2.sordarin complex that, in contrast to Escherichia coli 70S ribosomes, is also present in vacant 80S ribosomes. A model is suggested, according to which the RSR is part of a mechanism for moving the tRNAs during the translocation reaction.
+
-
 
+
-
Domain movements of elongation factor eEF2 and the eukaryotic 80S ribosome facilitate tRNA translocation.,Spahn CM, Gomez-Lorenzo MG, Grassucci RA, Jorgensen R, Andersen GR, Beckmann R, Penczek PA, Ballesta JP, Frank J EMBO J. 2004 Mar 10;23(5):1008-19. Epub 2004 Feb 19. PMID:14976550<ref>PMID:14976550</ref>
+
-
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
+
==See Also==
-
</div>
+
*[[Elongation factor 3D structures|Elongation factor 3D structures]]
-
== References ==
+
*[[Ribosomal protein S22|Ribosomal protein S22]]
-
<references/>
+
*[[Ribosome 3D structures|Ribosome 3D structures]]
__TOC__
__TOC__
-
</StructureSection>
+
</SX>
 +
[[Category: Large Structures]]
[[Category: Saccharomyces cerevisiae]]
[[Category: Saccharomyces cerevisiae]]
-
[[Category: Andersen, G R]]
+
[[Category: Andersen GR]]
-
[[Category: Ballesta, J P.G]]
+
[[Category: Ballesta JPG]]
-
[[Category: Beckmann, R]]
+
[[Category: Beckmann R]]
-
[[Category: Frank, J]]
+
[[Category: Frank J]]
-
[[Category: Gomez-Lorenzo, M G]]
+
[[Category: Gomez-Lorenzo MG]]
-
[[Category: Grassucci, R A]]
+
[[Category: Grassucci RA]]
-
[[Category: Jorgensen, R]]
+
[[Category: Jorgensen R]]
-
[[Category: Penczek, P A]]
+
[[Category: Penczek PA]]
-
[[Category: Spahn, C M]]
+
[[Category: Spahn CM]]
-
[[Category: 40s ribosomal subunit]]
+
-
[[Category: 80s ribosome]]
+
-
[[Category: Cryo-em]]
+
-
[[Category: Eef2]]
+
-
[[Category: Sordarin]]
+
-
[[Category: Trna translocation]]
+

Current revision

Structure of the ribosomal 80S-eEF2-sordarin complex from yeast obtained by docking atomic models for RNA and protein components into a 11.7 A cryo-EM map.

4v4b, resolution 11.70Å

Proteopedia Page Contributors and Editors (what is this?)

OCA

Personal tools