3pkm

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{{STRUCTURE_3pkm| PDB=3pkm | SCENE= }}
 
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===Crystal structure of Cas6 with its substrate RNA===
 
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{{ABSTRACT_PUBMED_21300293}}
 
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==Function==
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==Crystal structure of Cas6 with its substrate RNA==
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[[http://www.uniprot.org/uniprot/Q8U1S4_PYRFU Q8U1S4_PYRFU]] CRISPR (clustered regularly interspaced short palindromic repeat), is an adaptive immune system that provides protection against mobile genetic elements (viruses, transposable elements and conjugative plasmids). CRISPR clusters contain sequences complementary to antecedent mobile elements and target invading nucleic acids. CRISPR clusters are transcribed and processed into CRISPR RNA (crRNA), also called psiRNA (prokaryotic silencing) in this organism. Processes pre-crRNA into individual crRNA units, with an 8-nt 5'-repeat DNA tag that may help other proteins recognize the crRNA. Further processing occurs at their 3' termini in this organism. Generates a 5' hydroxy and 2',3'-cyclic phosphodiester.<ref>PMID:20884784</ref> <ref>PMID:19141480</ref>
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<StructureSection load='3pkm' size='340' side='right'caption='[[3pkm]], [[Resolution|resolution]] 3.10&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3pkm]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Pyrococcus_furiosus Pyrococcus furiosus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3PKM OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3PKM FirstGlance]. <br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 3.103&#8491;</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3pkm FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3pkm OCA], [https://pdbe.org/3pkm PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3pkm RCSB], [https://www.ebi.ac.uk/pdbsum/3pkm PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3pkm ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/CAS6_PYRFU CAS6_PYRFU] CRISPR (clustered regularly interspaced short palindromic repeat), is an adaptive immune system that provides protection against mobile genetic elements (viruses, transposable elements and conjugative plasmids). CRISPR clusters contain sequences complementary to antecedent mobile elements and target invading nucleic acids. CRISPR clusters are transcribed and processed into CRISPR RNA (crRNA), also called psiRNA (prokaryotic silencing) in this organism. This protein processes pre-crRNA into individual crRNA units, with an 8-nt 5'-repeat DNA tag that may help other proteins recognize the crRNA. Further processing occurs at their 3' termini in this organism. Generates a 5'-hydroxy and 2',3'-cyclic phosphodiester.<ref>PMID:19141480</ref> <ref>PMID:20884784</ref>
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==About this Structure==
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==See Also==
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[[3pkm]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Pyrococcus_furiosus Pyrococcus furiosus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3PKM OCA].
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*[[CRISPR subtype III-B (Cmr complex)|CRISPR subtype III-B (Cmr complex)]]
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*[[Endonuclease 3D structures|Endonuclease 3D structures]]
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==Reference==
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== References ==
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<ref group="xtra">PMID:021300293</ref><references group="xtra"/><references/>
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Pyrococcus furiosus]]
[[Category: Pyrococcus furiosus]]
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[[Category: Li, H.]]
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[[Category: Li H]]
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[[Category: Preamplume, G.]]
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[[Category: Preamplume G]]
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[[Category: Wang, R.]]
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[[Category: Wang R]]
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[[Category: Cas6]]
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[[Category: Crispr]]
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[[Category: Crispr processing endonuclease]]
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[[Category: Endonuclease]]
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[[Category: Ferridoxin fold]]
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[[Category: Hydrolase-rna complex]]
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[[Category: Repeat rna]]
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Current revision

Crystal structure of Cas6 with its substrate RNA

PDB ID 3pkm

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