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Guanine riboswitch A21U, U75A mutant bound to hypoxanthine

X-ray diffraction
1.75Å resolution
PDB entry 2ees coloured by chain, front view.
PDB entry 2ees coloured by chain, side view.
PDB entry 2ees coloured by chain, top view.
Source organism: Bacillus subtilis
Assembly composition:
monomeric (preferred)
Entry contents: 1 distinct RNA molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Purine riboswitch aptamer
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Multimeric state: monomeric
Accessible surface area: 11141.42 Å2
Buried surface area: 3533.58 Å2
Dissociation area: 169.06 Å2
Dissociation energy (ΔGdiss): -4.05 kcal/mol
Dissociation entropy (TΔSdiss): 1.88 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-250427

Macromolecules

RNA chain A
Name: Guanine riboswitch
Representative chains: A
Source organism: Bacillus subtilis [1423]
Expression system: Not provided
Length: 67 nucleotides
Theoretical weight: 21.51 KDa
Rfam: Purine riboswitch aptamer
Guanine riboswitch in PDB entry 2ees, assembly 1, front view.
Guanine riboswitch in PDB entry 2ees, assembly 1, side view.
Guanine riboswitch in PDB entry 2ees, assembly 1, top view.
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