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| | <StructureSection load='5i2t' size='340' side='right'caption='[[5i2t]], [[Resolution|resolution]] 2.54Å' scene=''> | | <StructureSection load='5i2t' size='340' side='right'caption='[[5i2t]], [[Resolution|resolution]] 2.54Å' scene=''> |
| | == Structural highlights == | | == Structural highlights == |
| - | <table><tr><td colspan='2'>[[5i2t]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Atcc_18824 Atcc 18824]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5I2T OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5I2T FirstGlance]. <br> | + | <table><tr><td colspan='2'>[[5i2t]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5I2T OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5I2T FirstGlance]. <br> |
| - | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=SO4:SULFATE+ION'>SO4</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]] 2.543Å</td></tr> |
| - | <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">PWP2, UTP1, YCR057C, YCR55C/YCR57C/YCR58C ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=4932 ATCC 18824])</td></tr> | + | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></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=5i2t FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5i2t OCA], [http://pdbe.org/5i2t PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5i2t RCSB], [http://www.ebi.ac.uk/pdbsum/5i2t PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5i2t ProSAT]</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=5i2t FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5i2t OCA], [https://pdbe.org/5i2t PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5i2t RCSB], [https://www.ebi.ac.uk/pdbsum/5i2t PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5i2t ProSAT]</span></td></tr> |
| | </table> | | </table> |
| | == Function == | | == Function == |
| - | [[http://www.uniprot.org/uniprot/PWP2_YEAST PWP2_YEAST]] Required for bud-site selection and cell separation. Also involved in nucleolar processing of pre-18S ribosomal RNA.<ref>PMID:12068309</ref> <ref>PMID:8804409</ref> | + | [https://www.uniprot.org/uniprot/PWP2_YEAST PWP2_YEAST] Required for bud-site selection and cell separation. Also involved in nucleolar processing of pre-18S ribosomal RNA.<ref>PMID:12068309</ref> <ref>PMID:8804409</ref> |
| | <div style="background-color:#fffaf0;"> | | <div style="background-color:#fffaf0;"> |
| | == Publication Abstract from PubMed == | | == Publication Abstract from PubMed == |
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| | __TOC__ | | __TOC__ |
| | </StructureSection> | | </StructureSection> |
| - | [[Category: Atcc 18824]] | |
| | [[Category: Large Structures]] | | [[Category: Large Structures]] |
| - | [[Category: Boissier, F]] | + | [[Category: Saccharomyces cerevisiae]] |
| - | [[Category: Fribourg, S]] | + | [[Category: Boissier F]] |
| - | [[Category: Biosynthetic protein]] | + | [[Category: Fribourg S]] |
| - | [[Category: Ribosome biogenesis]]
| + | |
| - | [[Category: Wd]]
| + | |
| Structural highlights
Function
PWP2_YEAST Required for bud-site selection and cell separation. Also involved in nucleolar processing of pre-18S ribosomal RNA.[1] [2]
Publication Abstract from PubMed
The SSU processome constitutes a large ribonucleoprotein complex involved in the early steps of ribosome biogenesis. UTP-B is one of the first multi-subunit protein complexes that associates with the pre-ribosomal RNA to form the SSU processome. To understand the molecular basis of the hierarchical assembly of the SSU-processome, we have undergone a structural and functional analysis of the UTP-B subunit Pwp2p. We show that Pwp2p is required for the proper assembly of UTP-B and for a productive association of UTP-B with pre-rRNA. These two functions are mediated by two distinct structural domains. The N-terminal domain of Pwp2p folds into a tandem WD-repeat (tWD) that associates with Utp21p, Utp18p, and Utp6p to form a core complex. The CTDs of Pwp2p and Utp21p mediate the assembly of the heterodimer Utp12p:Utp13p that is required for the stable incorporation of the UTP-B complex in the SSU processome. Finally, we provide evidence suggesting a role of UTP-B as a platform for the binding of assembly factors during the maturation of 20S rRNA precursors.
Pwp2 mediates UTP-B assembly via two structurally independent domains.,Boissier F, Schmidt CM, Linnemann J, Fribourg S, Perez-Fernandez J Sci Rep. 2017 Jun 9;7(1):3169. doi: 10.1038/s41598-017-03034-y. PMID:28600509[3]
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.
References
- ↑ Dragon F, Gallagher JE, Compagnone-Post PA, Mitchell BM, Porwancher KA, Wehner KA, Wormsley S, Settlage RE, Shabanowitz J, Osheim Y, Beyer AL, Hunt DF, Baserga SJ. A large nucleolar U3 ribonucleoprotein required for 18S ribosomal RNA biogenesis. Nature. 2002 Jun 27;417(6892):967-70. Epub 2002 Jun 9. PMID:12068309 doi:http://dx.doi.org/10.1038/nature00769
- ↑ Shafaatian R, Payton MA, Reid JD. PWP2, a member of the WD-repeat family of proteins, is an essential Saccharomyces cerevisiae gene involved in cell separation. Mol Gen Genet. 1996 Aug 27;252(1-2):101-14. PMID:8804409
- ↑ Boissier F, Schmidt CM, Linnemann J, Fribourg S, Perez-Fernandez J. Pwp2 mediates UTP-B assembly via two structurally independent domains. Sci Rep. 2017 Jun 9;7(1):3169. doi: 10.1038/s41598-017-03034-y. PMID:28600509 doi:http://dx.doi.org/10.1038/s41598-017-03034-y
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