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Structure paper

TitleThe fluorescent aptamer Squash extensively repurposes the adenine riboswitch fold.
Journal, issue, pagesNat. Chem. Biol., Vol. 18, Page 191-198, Year 2022
Publish dateNov 28, 2020 (structure data deposition date)
AuthorsTruong, L. / Kooshapur, H. / Dey, S.K. / Li, X. / Tjandra, N. / Jaffrey, S.R. / Ferre-D'Amare, A.R.
External linksNat. Chem. Biol. / PubMed:34937911
MethodsX-ray diffraction
Resolution2.68 - 2.85 Å
Structure data

PDB-7kvt:
Crystal structure of Squash RNA aptamer in complex with DFHBI-1T with iridium (III) ions
Method: X-RAY DIFFRACTION / Resolution: 2.73 Å

PDB-7kvu:
Crystal structure of Squash RNA aptamer in complex with DFHBI-1T
Method: X-RAY DIFFRACTION / Resolution: 2.68 Å

PDB-7kvv:
Crystal structure of Squash RNA aptamer in complex with DFHBI-1T
Method: X-RAY DIFFRACTION / Resolution: 2.85 Å

Chemicals

ChemComp-2ZY:
(5Z)-5-(3,5-difluoro-4-hydroxybenzylidene)-2-methyl-3-(2,2,2-trifluoroethyl)-3,5-dihydro-4H-imidazol-4-one

ChemComp-IRI:
IRIDIUM HEXAMMINE ION

ChemComp-MG:
Unknown entry

ChemComp-HOH:
WATER

ChemComp-K:
Unknown entry

ChemComp-747:
(5Z)-5-[(3,5-difluoro-4-hydroxyphenyl)methylidene]-2-[(E)-(hydroxyimino)methyl]-3-methyl-3,5-dihydro-4H-imidazol-4-one

Source
  • synthetic construct (others)
KeywordsRNA / fluorogenic aptamer / adenine riboswitch

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