4fmo: Difference between revisions

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New page: '''Unreleased structure''' The entry 4fmo is ON HOLD Authors: Charbonnier, JB Description: DNA repair protein complex
 
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'''Unreleased structure'''


The entry 4fmo is ON HOLD
==Structure of the C-terminal domain of the Saccharomyces cerevisiae MUTL alpha (MLH1/PMS1) heterodimer bound to a fragment of exo1==
<StructureSection load='4fmo' size='340' side='right'caption='[[4fmo]], [[Resolution|resolution]] 3.04&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[4fmo]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Saccharomyces_cerevisiae_S288C Saccharomyces cerevisiae S288C]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4FMO OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4FMO FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 3.04&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <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=4fmo FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4fmo OCA], [https://pdbe.org/4fmo PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4fmo RCSB], [https://www.ebi.ac.uk/pdbsum/4fmo PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4fmo ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/MLH1_YEAST MLH1_YEAST] Required for DNA mismatch repair (MMR), correcting base-base mismatches and insertion-deletion loops (IDLs) resulting from DNA replication, DNA damage or from recombination events between non-identical sequences during meiosis. Component of different MutL heterodimers that form a ternary complex with the MutS heterodimers, which initially recognize the DNA mismatches. This complex is thought to be responsible for directing the downsteam MMR events, including strand discrimination, excision, and resynthesis. Plays a major role in maintaining the genetic stability of simple sequence repeats, the repair of heteroduplex sites present in meiotic recombination intermediates, and the promotion of meiotic crossing-over.<ref>PMID:9545323</ref> <ref>PMID:10570173</ref> <ref>PMID:12529393</ref>


Authors: Charbonnier, JB
==See Also==
 
*[[DNA mismatch repair protein 3D structures|DNA mismatch repair protein 3D structures]]
Description: DNA repair protein complex
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Large Structures]]
[[Category: Saccharomyces cerevisiae S288C]]
[[Category: Charbonnier JB]]
[[Category: Gueneau E]]
[[Category: Legrand P]]

Latest revision as of 18:29, 14 March 2024

Structure of the C-terminal domain of the Saccharomyces cerevisiae MUTL alpha (MLH1/PMS1) heterodimer bound to a fragment of exo1Structure of the C-terminal domain of the Saccharomyces cerevisiae MUTL alpha (MLH1/PMS1) heterodimer bound to a fragment of exo1

Structural highlights

4fmo is a 3 chain structure with sequence from Saccharomyces cerevisiae S288C. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 3.04Å
Ligands:,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

MLH1_YEAST Required for DNA mismatch repair (MMR), correcting base-base mismatches and insertion-deletion loops (IDLs) resulting from DNA replication, DNA damage or from recombination events between non-identical sequences during meiosis. Component of different MutL heterodimers that form a ternary complex with the MutS heterodimers, which initially recognize the DNA mismatches. This complex is thought to be responsible for directing the downsteam MMR events, including strand discrimination, excision, and resynthesis. Plays a major role in maintaining the genetic stability of simple sequence repeats, the repair of heteroduplex sites present in meiotic recombination intermediates, and the promotion of meiotic crossing-over.[1] [2] [3]

See Also

References

  1. ↑ Habraken Y, Sung P, Prakash L, Prakash S. ATP-dependent assembly of a ternary complex consisting of a DNA mismatch and the yeast MSH2-MSH6 and MLH1-PMS1 protein complexes. J Biol Chem. 1998 Apr 17;273(16):9837-41. PMID:9545323
  2. ↑ Wang TF, Kleckner N, Hunter N. Functional specificity of MutL homologs in yeast: evidence for three Mlh1-based heterocomplexes with distinct roles during meiosis in recombination and mismatch correction. Proc Natl Acad Sci U S A. 1999 Nov 23;96(24):13914-9. PMID:10570173
  3. ↑ Argueso JL, Kijas AW, Sarin S, Heck J, Waase M, Alani E. Systematic mutagenesis of the Saccharomyces cerevisiae MLH1 gene reveals distinct roles for Mlh1p in meiotic crossing over and in vegetative and meiotic mismatch repair. Mol Cell Biol. 2003 Feb;23(3):873-86. PMID:12529393

4fmo, resolution 3.04Å

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