4u8h: Difference between revisions
No edit summary |
No edit summary |
||
| (4 intermediate revisions by the same user not shown) | |||
| Line 1: | Line 1: | ||
==Crystal Structure of Mammalian Period-Cryptochrome Complex== | ==Crystal Structure of Mammalian Period-Cryptochrome Complex== | ||
<StructureSection load='4u8h' size='340' side='right' caption='[[4u8h]], [[Resolution|resolution]] 2.80Å' scene=''> | <StructureSection load='4u8h' size='340' side='right'caption='[[4u8h]], [[Resolution|resolution]] 2.80Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>[[4u8h]] is a 4 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4U8H OCA]. For a <b>guided tour on the structure components</b> use [ | <table><tr><td colspan='2'>[[4u8h]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4U8H OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4U8H FirstGlance]. <br> | ||
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr> | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.798Å</td></tr> | ||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[ | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></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=4u8h FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4u8h OCA], [https://pdbe.org/4u8h PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4u8h RCSB], [https://www.ebi.ac.uk/pdbsum/4u8h PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4u8h ProSAT]</span></td></tr> | |||
</table> | </table> | ||
== Function == | == Function == | ||
[ | [https://www.uniprot.org/uniprot/CRY2_MOUSE CRY2_MOUSE] | ||
<div style="background-color:#fffaf0;"> | <div style="background-color:#fffaf0;"> | ||
== Publication Abstract from PubMed == | == Publication Abstract from PubMed == | ||
| Line 16: | Line 18: | ||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | ||
</div> | </div> | ||
<div class="pdbe-citations 4u8h" style="background-color:#fffaf0;"></div> | |||
==See Also== | |||
*[[Cryptochrome 3D structures|Cryptochrome 3D structures]] | |||
*[[Period circadian protein|Period circadian protein]] | |||
== References == | == References == | ||
<references/> | <references/> | ||
__TOC__ | __TOC__ | ||
</StructureSection> | </StructureSection> | ||
[[Category: | [[Category: Large Structures]] | ||
[[Category: | [[Category: Mus musculus]] | ||
[[Category: | [[Category: Green CB]] | ||
[[Category: | [[Category: Koike N]] | ||
[[Category: | [[Category: Nangle SN]] | ||
[[Category: | [[Category: Rosensweig C]] | ||
[[Category: | [[Category: Takahashi JS]] | ||
[[Category: | [[Category: Tei H]] | ||
[[Category: | [[Category: Zheng N]] | ||
Latest revision as of 10:26, 27 September 2023
Crystal Structure of Mammalian Period-Cryptochrome ComplexCrystal Structure of Mammalian Period-Cryptochrome Complex
Structural highlights
FunctionPublication Abstract from PubMedThe mammalian circadian clock is driven by a transcriptional-translational feedback loop, which produces robust 24-hr rhythms. Proper oscillation of the clock depends on the complex formation and periodic turnover of the Period and Cryptochrome proteins, which together inhibit their own transcriptional activator complex, CLOCK-BMAL1. We determined the crystal structure of the CRY-binding domain (CBD) of PER2 in complex with CRY2 at 2.8 A resolution. PER2-CBD adopts a highly extended conformation, embracing CRY2 with a sinuous binding mode. Its N-terminal end tucks into CRY adjacent to a large pocket critical for CLOCK-BMAL1 binding, while its C-terminal half flanks the CRY2 C-terminal helix and sterically hinders the recognition of CRY2 by the FBXL3 ubiquitin ligase. Unexpectedly, a strictly conserved intermolecular zinc finger, whose integrity is important for clock rhythmicity, further stabilizes the complex. Our structure-guided analyses show that these interspersed CRY-interacting regions represent multiple functional modules of PERs at the CRY-binding interface.DOI: http://dx.doi.org/10.7554/eLife.03674.001. Molecular assembly of the period-cryptochrome circadian transcriptional repressor complex.,Nangle SN, Rosensweig C, Koike N, Tei H, Takahashi JS, Green CB, Zheng N Elife. 2014 Aug 15;3:e03674. doi: 10.7554/eLife.03674. PMID:25127877[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See AlsoReferences
|
| ||||||||||||||||||