2L6I

Solution structure of coronaviral stem-loop 2 (SL2)

Experimental Data Snapshot

  • Method: SOLUTION NMR
  • Conformers Calculated: 100 
  • Conformers Submitted: 27 
  • Selection Criteria: structures with the lowest energy 

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This is version 1.1 of the entry. See complete history. 


Literature

The solution structure of coronaviral stem-loop 2 (SL2) reveals a canonical CUYG tetraloop fold.

Lee, C.W., Li, L., Giedroc, D.P.

(2011) FEBS Lett 585: 1049-1053

  • DOI: 10.1016/j.febslet.2011.03.002
  • Primary Citation of Related Structures:  
    2L6I

  • PubMed Abstract: 

    • The transcription and replication of the severe acute respiratory syndrome (SARS) coronavirus (SARS-CoV) is regulated by specific viral genome sequences within 5'- and 3'-untranslated regions (5'-UTR and 3'-UTR). Here we report the solution structure of 5'-UTR derived stem-loop 2 (SL2) of SARS-CoV determined by NMR spectroscopy ...

    The transcription and replication of the severe acute respiratory syndrome (SARS) coronavirus (SARS-CoV) is regulated by specific viral genome sequences within 5'- and 3'-untranslated regions (5'-UTR and 3'-UTR). Here we report the solution structure of 5'-UTR derived stem-loop 2 (SL2) of SARS-CoV determined by NMR spectroscopy. The highly conserved pentaloop of SL2 is stacked on 5-bp stem and adopts a canonical CUYG tetraloop fold with the 3' nucleotide (U51) flipped out of the stack. The significance of this structure in the context of a previous mutagenesis analysis of SL2 function in replication of the related group 2 coronavirus, mouse hepatitis virus, is discussed.

    Organizational Affiliation: 

    Department of Chemistry, Indiana University, Bloomington, IN 47405, USA.



Macromolecules

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Entity ID: 1
MoleculeChainsLengthOrganismImage
RNA (5'-R(*GP*AP*UP*CP*UP*CP*UP*UP*GP*UP*AP*GP*AP*UP*CP*A)-3')A 16N/A
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: SOLUTION NMR
  • Conformers Calculated: 100 
  • Conformers Submitted: 27 
  • Selection Criteria: structures with the lowest energy 
  • OLDERADO: 2L6I Olderado

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2011-03-23
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance