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CryoEM structure of pentameric MotA from Aquifex aeolicus

Electron Microscopy
3.4Å resolution
PDB entry 8gqy coloured by chain, front view.
PDB entry 8gqy coloured by chain, side view.
PDB entry 8gqy coloured by chain, top view.
Source organism: Aquifex aeolicus VF5
Assembly composition:
homo pentamer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Motility protein A
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Multimeric state: homo pentamer
Accessible surface area: 51505.07 Å2
Buried surface area: 18633.52 Å2
Dissociation area: 9,316.76 Å2
Dissociation energy (ΔGdiss): 124.67 kcal/mol
Dissociation entropy (TΔSdiss): 57.37 kcal/mol
Symmetry number: 5
PDBe Complex ID: PDB-CPX-130446

Macromolecules

Motility protein A
Chains: A, B, C, D, E
Length: 266 amino acids
Theoretical weight: 28.86 KDa
Source organism: Aquifex aeolicus VF5
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: O67122 (Residues: 1-254; Coverage: 100%)
Gene names: aq_1003, motA
Pfam: MotA/TolQ/ExbB proton channel family
InterPro:
Motility protein A in PDB entry 8gqy, assembly 1, front view.
Motility protein A in PDB entry 8gqy, assembly 1, side view.
Motility protein A in PDB entry 8gqy, assembly 1, top view.
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