Structure analysis

Crystal structure of the RRM domain of RNA helicase HERA from T. thermophilus in complex with GGGC RNA

X-ray diffraction
2.33Å resolution
Assembly composition:
hetero dimer (preferred)
Entry contents: 1 distinct polypeptide molecule
1 distinct RNA molecule


Assembly 1 (preferred)
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Multimeric state: hetero dimer
Accessible surface area: 5300 Å2
Buried surface area: 1200 Å2
Dissociation area: 550 Å2
Dissociation energy (ΔGdiss): -3 kcal/mol
Dissociation entropy (TΔSdiss): 8 kcal/mol
Interface energy (ΔGint): -2 kcal/mol
Symmetry number: 1


Chain: A
Length: 87 amino acids
Theoretical weight: 9.58 KDa
Source organism: Thermus thermophilus
Expression system: Escherichia coli
  • Canonical: Q72GF3 (Residues: 431-517; Coverage: 17%)
Gene name: TT_C1895

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Name: 5'-R(P*GP*GP*GP*(RPC))-3'
Representative chains: B
Source organism: Synthetic construct [32630]
Expression system: Not provided
Length: 4 nucleotides
Theoretical weight: 1.38 KDa

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