Structure analysis

1.6A resolution structure of Archaeoglobus fulgidus Hjc, a Holliday junction resolvase from an archaeal hyperthermophile

X-ray diffraction
1.58Å resolution
Source organism: Archaeoglobus fulgidus
Assembly composition:
homo dimer (preferred)
Entry contents: 1 distinct polypeptide molecule


Assembly 1
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Multimeric state: homo dimer
Accessible surface area: 12700 Å2
Buried surface area: 2700 Å2
Dissociation area: 900 Å2
Dissociation energy (ΔGdiss): 13 kcal/mol
Dissociation entropy (TΔSdiss): 12 kcal/mol
Interface energy (ΔGint): -18 kcal/mol
Symmetry number: 2
Assembly 2 (preferred)
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Multimeric state: homo dimer

Binding statistics and energies are not available for this assembly


Chains: A, B, C, D
Length: 139 amino acids
Theoretical weight: 15.54 KDa
Source organism: Archaeoglobus fulgidus
Expression system: Escherichia coli BL21(DE3)
  • Canonical: O28314 (Residues: 2-136; Coverage: 99%)
Gene names: AF_1965, hjc
Pfam: Archaeal holliday junction resolvase (hjc)
CATH: Trna Endonuclease; Chain: A, domain 1

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