8bcc: Difference between revisions

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== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[8bcc]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=8BCC OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=8BCC FirstGlance]. <br>
<table><tr><td colspan='2'>[[8bcc]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=8BCC OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=8BCC FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=QAU:3-oxidanylbenzenesulfonamide'>QAU</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]] 2.35&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=QAU:3-oxidanylbenzenesulfonamide'>QAU</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=8bcc FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=8bcc OCA], [https://pdbe.org/8bcc PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=8bcc RCSB], [https://www.ebi.ac.uk/pdbsum/8bcc PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=8bcc 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=8bcc FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=8bcc OCA], [https://pdbe.org/8bcc PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=8bcc RCSB], [https://www.ebi.ac.uk/pdbsum/8bcc PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=8bcc ProSAT]</span></td></tr>
</table>
</table>
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== Function ==
== Function ==
[https://www.uniprot.org/uniprot/U520_HUMAN U520_HUMAN] RNA helicase that plays an essential role in pre-mRNA splicing as component of the U5 snRNP and U4/U6-U5 tri-snRNP complexes. Involved in spliceosome assembly, activation and disassembly. Mediates changes in the dynamic network of RNA-RNA interactions in the spliceosome. Catalyzes the ATP-dependent unwinding of U4/U6 RNA duplices, an essential step in the assembly of a catalytically active spliceosome.<ref>PMID:16723661</ref> <ref>PMID:8670905</ref> <ref>PMID:9539711</ref> <ref>PMID:23045696</ref>  
[https://www.uniprot.org/uniprot/U520_HUMAN U520_HUMAN] RNA helicase that plays an essential role in pre-mRNA splicing as component of the U5 snRNP and U4/U6-U5 tri-snRNP complexes. Involved in spliceosome assembly, activation and disassembly. Mediates changes in the dynamic network of RNA-RNA interactions in the spliceosome. Catalyzes the ATP-dependent unwinding of U4/U6 RNA duplices, an essential step in the assembly of a catalytically active spliceosome.<ref>PMID:16723661</ref> <ref>PMID:8670905</ref> <ref>PMID:9539711</ref> <ref>PMID:23045696</ref>  
==See Also==
*[[Helicase 3D structures|Helicase 3D structures]]
== References ==
== References ==
<references/>
<references/>

Latest revision as of 11:17, 7 February 2024

Human Brr2 Helicase Region in complex with C-tail deleted Jab1 and compound 39Human Brr2 Helicase Region in complex with C-tail deleted Jab1 and compound 39

Structural highlights

8bcc is a 2 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2.35Å
Ligands:,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Disease

U520_HUMAN Retinitis pigmentosa. Retinitis pigmentosa 33 (RP33) [MIM:610359: A retinal dystrophy belonging to the group of pigmentary retinopathies. Retinitis pigmentosa is characterized by retinal pigment deposits visible on fundus examination and primary loss of rod photoreceptor cells followed by secondary loss of cone photoreceptors. Patients typically have night vision blindness and loss of midperipheral visual field. As their condition progresses, they lose their far peripheral visual field and eventually central vision as well. Note=The disease is caused by mutations affecting the gene represented in this entry.[1] [2] [3] [4] [5]

Function

U520_HUMAN RNA helicase that plays an essential role in pre-mRNA splicing as component of the U5 snRNP and U4/U6-U5 tri-snRNP complexes. Involved in spliceosome assembly, activation and disassembly. Mediates changes in the dynamic network of RNA-RNA interactions in the spliceosome. Catalyzes the ATP-dependent unwinding of U4/U6 RNA duplices, an essential step in the assembly of a catalytically active spliceosome.[6] [7] [8] [9]

See Also

References

  1. ↑ Liu S, Rauhut R, Vornlocher HP, Luhrmann R. The network of protein-protein interactions within the human U4/U6.U5 tri-snRNP. RNA. 2006 Jul;12(7):1418-30. Epub 2006 May 24. PMID:16723661 doi:rna.55406
  2. ↑ Santos KF, Jovin SM, Weber G, Pena V, Luhrmann R, Wahl MC. Structural basis for functional cooperation between tandem helicase cassettes in Brr2-mediated remodeling of the spliceosome. Proc Natl Acad Sci U S A. 2012 Oct 8. PMID:23045696 doi:10.1073/pnas.1208098109
  3. ↑ Zhao C, Bellur DL, Lu S, Zhao F, Grassi MA, Bowne SJ, Sullivan LS, Daiger SP, Chen LJ, Pang CP, Zhao K, Staley JP, Larsson C. Autosomal-dominant retinitis pigmentosa caused by a mutation in SNRNP200, a gene required for unwinding of U4/U6 snRNAs. Am J Hum Genet. 2009 Nov;85(5):617-27. Epub 2009 Oct 29. PMID:19878916 doi:S0002-9297(09)00455-8
  4. ↑ Li N, Mei H, MacDonald IM, Jiao X, Hejtmancik JF. Mutations in ASCC3L1 on 2q11.2 are associated with autosomal dominant retinitis pigmentosa in a Chinese family. Invest Ophthalmol Vis Sci. 2010 Feb;51(2):1036-43. doi: 10.1167/iovs.09-3725., Epub 2009 Aug 26. PMID:19710410 doi:10.1167/iovs.09-3725
  5. ↑ Benaglio P, McGee TL, Capelli LP, Harper S, Berson EL, Rivolta C. Next generation sequencing of pooled samples reveals new SNRNP200 mutations associated with retinitis pigmentosa. Hum Mutat. 2011 Jun;32(6):E2246-58. doi: 10.1002/humu.21485. Epub 2011 Feb 24. PMID:21618346 doi:10.1002/humu.21485
  6. ↑ Liu S, Rauhut R, Vornlocher HP, Luhrmann R. The network of protein-protein interactions within the human U4/U6.U5 tri-snRNP. RNA. 2006 Jul;12(7):1418-30. Epub 2006 May 24. PMID:16723661 doi:rna.55406
  7. ↑ Lauber J, Fabrizio P, Teigelkamp S, Lane WS, Hartmann E, Luhrmann R. The HeLa 200 kDa U5 snRNP-specific protein and its homologue in Saccharomyces cerevisiae are members of the DEXH-box protein family of putative RNA helicases. EMBO J. 1996 Aug 1;15(15):4001-15. PMID:8670905
  8. ↑ Laggerbauer B, Achsel T, Luhrmann R. The human U5-200kD DEXH-box protein unwinds U4/U6 RNA duplices in vitro. Proc Natl Acad Sci U S A. 1998 Apr 14;95(8):4188-92. PMID:9539711
  9. ↑ Santos KF, Jovin SM, Weber G, Pena V, Luhrmann R, Wahl MC. Structural basis for functional cooperation between tandem helicase cassettes in Brr2-mediated remodeling of the spliceosome. Proc Natl Acad Sci U S A. 2012 Oct 8. PMID:23045696 doi:10.1073/pnas.1208098109

8bcc, resolution 2.35Å

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