Structure analysis

Crystal structure of the translocation ATPase SecA from Thermus thermophilus reveals a parallel, head-to-head dimer

X-ray diffraction
2.8Å resolution
Source organism: Thermus thermophilus HB8
Assembly composition:
homo dimer (preferred)
Entry contents: 1 distinct polypeptide molecule

Assemblies

Assembly 1 (preferred)
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Multimeric state: homo dimer
Accessible surface area: 87728.26 Å2
Buried surface area: 3349.71 Å2
Dissociation area: 1,674.85 Å2
Dissociation energy (ΔGdiss): -12.58 kcal/mol
Dissociation entropy (TΔSdiss): 16.65 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-177980
Assembly 2
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Multimeric state: homo dimer
Accessible surface area: 86958.54 Å2
Buried surface area: 3373.22 Å2
Dissociation area: 1,686.61 Å2
Dissociation energy (ΔGdiss): -12.62 kcal/mol
Dissociation entropy (TΔSdiss): 16.65 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-177980

Macromolecules

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