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Electron transferring flavoprotein of Acidaminococcus fermentans: Towards a mechanism of flavin-based electron bifurcation

X-ray diffraction
1.79Å resolution
PDB entry 4l1f coloured by chain, front view.
PDB entry 4l1f coloured by chain, side view.
PDB entry 4l1f coloured by chain, top view.
Source organism: Acidaminococcus fermentans DSM 20731
Assemblies composition:
homo tetramer
homo dimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1
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Assembly Name: Acyl-CoA dehydrogenase domain protein
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Multimeric state: homo tetramer
Accessible surface area: 46274.28 Å2
Buried surface area: 28750.86 Å2
Dissociation area: 4,365.95 Å2
Dissociation energy (ΔGdiss): 85.37 kcal/mol
Dissociation entropy (TΔSdiss): 16.09 kcal/mol
Symmetry number: 4
PDBe Complex ID: PDB-CPX-112405
Assembly 2 (preferred)
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Assembly Name: Acyl-CoA dehydrogenase domain protein
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Multimeric state: homo dimer
Accessible surface area: 27409.65 Å2
Buried surface area: 10103.8 Å2
Dissociation area: 2,397 Å2
Dissociation energy (ΔGdiss): 36.97 kcal/mol
Dissociation entropy (TΔSdiss): 14.38 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-112404

Macromolecules

Acyl-CoA dehydrogenase domain protein
Chains: A, B
Length: 383 amino acids
Theoretical weight: 41.88 KDa
Source organism: Acidaminococcus fermentans DSM 20731
UniProt:
  • Canonical: D2RL84 (Residues: 1-383; Coverage: 100%)
Gene name: Acfer_1477
Pfam:
InterPro:
CATH:
Acyl-CoA dehydrogenase domain protein in PDB entry 4l1f, assembly 2, front view.
Acyl-CoA dehydrogenase domain protein in PDB entry 4l1f, assembly 2, side view.
Acyl-CoA dehydrogenase domain protein in PDB entry 4l1f, assembly 2, top view.
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