3izq
From Proteopedia
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{{STRUCTURE_3izq| PDB=3izq | SCENE= }} | {{STRUCTURE_3izq| PDB=3izq | SCENE= }} | ||
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===Structure of the Dom34-Hbs1-GDPNP complex bound to a translating ribosome=== | ===Structure of the Dom34-Hbs1-GDPNP complex bound to a translating ribosome=== | ||
| + | {{ABSTRACT_PUBMED_21623367}} | ||
| - | + | ==Function== | |
| - | + | [[http://www.uniprot.org/uniprot/DOM34_YEAST DOM34_YEAST]] Involved in protein translation. Together with HBS1, may function in recognizing stalled ribosomes and triggering endonucleolytic cleavage of the mRNA, a mechanism to release non-functional ribosomes and degrade damaged mRNAs. The complex formed by DOM34 and HBS1 has ribonuclease activity towards double-stranded RNA substrates, but does not cleave single-stranded RNA. Acts as endonuclease; has no exonuclease activity. Increases the affinity of HBS1 for GTP, but nor for GDP. Promotes G1 progression and differentiation and is involved in mitotic and meiotic cell divisions.<ref>PMID:16554824</ref> <ref>PMID:17889667</ref> <ref>PMID:18180287</ref> | |
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==About this Structure== | ==About this Structure== | ||
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==Reference== | ==Reference== | ||
| - | <ref group="xtra">PMID:021623367</ref><references group="xtra"/> | + | <ref group="xtra">PMID:021623367</ref><references group="xtra"/><references/> |
[[Category: Saccharomyces cerevisiae]] | [[Category: Saccharomyces cerevisiae]] | ||
[[Category: Anger, A M.]] | [[Category: Anger, A M.]] | ||
Revision as of 08:36, 2 May 2013
Contents |
Structure of the Dom34-Hbs1-GDPNP complex bound to a translating ribosome
Template:ABSTRACT PUBMED 21623367
Function
[DOM34_YEAST] Involved in protein translation. Together with HBS1, may function in recognizing stalled ribosomes and triggering endonucleolytic cleavage of the mRNA, a mechanism to release non-functional ribosomes and degrade damaged mRNAs. The complex formed by DOM34 and HBS1 has ribonuclease activity towards double-stranded RNA substrates, but does not cleave single-stranded RNA. Acts as endonuclease; has no exonuclease activity. Increases the affinity of HBS1 for GTP, but nor for GDP. Promotes G1 progression and differentiation and is involved in mitotic and meiotic cell divisions.[1] [2] [3]
About this Structure
3izq is a 1 chain structure with sequence from Saccharomyces cerevisiae. Full crystallographic information is available from OCA.
Reference
- Becker T, Armache JP, Jarasch A, Anger AM, Villa E, Sieber H, Motaal BA, Mielke T, Berninghausen O, Beckmann R. Structure of the no-go mRNA decay complex Dom34-Hbs1 bound to a stalled 80S ribosome. Nat Struct Mol Biol. 2011 Jun;18(6):715-20. Epub 2011 May 29. PMID:21623367 doi:10.1038/nsmb.2057
- ↑ Doma MK, Parker R. Endonucleolytic cleavage of eukaryotic mRNAs with stalls in translation elongation. Nature. 2006 Mar 23;440(7083):561-4. PMID:16554824 doi:nature04530
- ↑ Lee HH, Kim YS, Kim KH, Heo I, Kim SK, Kim O, Kim HK, Yoon JY, Kim HS, Kim do J, Lee SJ, Yoon HJ, Kim SJ, Lee BG, Song HK, Kim VN, Park CM, Suh SW. Structural and functional insights into Dom34, a key component of no-go mRNA decay. Mol Cell. 2007 Sep 21;27(6):938-50. PMID:17889667 doi:10.1016/j.molcel.2007.07.019
- ↑ Graille M, Chaillet M, van Tilbeurgh H. Structure of yeast Dom34: a protein related to translation termination factor Erf1 and involved in No-Go decay. J Biol Chem. 2008 Mar 14;283(11):7145-54. Epub 2008 Jan 7. PMID:18180287 doi:10.1074/jbc.M708224200
