2y8w

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Template:STRUCTURE 2y8w

Contents

STRUCTURE OF CRISPR ENDORIBONUCLEASE CSE3 BOUND TO 20 NT RNA

Template:ABSTRACT PUBMED 21572442

Function

[Q53WG9_THET8] 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). Processes pre-crRNA into individual crRNA units, but may not actually undergo enzyme turnover, retaining the crRNA product. Generates a 2',3'-cyclic phosphodiester.[1] [2]

About this Structure

2y8w is a 2 chain structure with sequence from Thermus thermophilus. Full crystallographic information is available from OCA.

Reference

  • Sashital DG, Jinek M, Doudna JA. An RNA-induced conformational change required for CRISPR RNA cleavage by the endoribonuclease Cse3. Nat Struct Mol Biol. 2011 Jun;18(6):680-7. Epub 2011 May 15. PMID:21572442 doi:10.1038/nsmb.2043
  1. ↑ Sashital DG, Jinek M, Doudna JA. An RNA-induced conformational change required for CRISPR RNA cleavage by the endoribonuclease Cse3. Nat Struct Mol Biol. 2011 Jun;18(6):680-7. Epub 2011 May 15. PMID:21572442 doi:10.1038/nsmb.2043
  2. ↑ Gesner EM, Schellenberg MJ, Garside EL, George MM, Macmillan AM. Recognition and maturation of effector RNAs in a CRISPR interference pathway. Nat Struct Mol Biol. 2011 May 15. PMID:21572444 doi:10.1038/nsmb.2042

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