Structure analysis

Crystal structure of the Alcanivorax borkumensis YdaH transporter reveals an unusual topology

X-ray diffraction
2.963Å resolution
Source organism: Alcanivorax borkumensis SK2
Assembly composition:
homo tetramer (preferred)
Entry contents: 1 distinct polypeptide molecule


Assembly 1 (preferred)
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Multimeric state: homo tetramer
Accessible surface area: 71700 Å2
Buried surface area: 16000 Å2
Dissociation area: 1,100 Å2
Dissociation energy (ΔGdiss): 0 kcal/mol
Dissociation entropy (TΔSdiss): 15 kcal/mol
Interface energy (ΔGint): -107 kcal/mol
Symmetry number: 1


Chains: A, B, C, D
Length: 492 amino acids
Theoretical weight: 51.6 KDa
Source organism: Alcanivorax borkumensis SK2
Expression system: Escherichia coli
  • Canonical: Q0VR69 (Residues: 1-492; Coverage: 100%)
Gene names: ABO_0881, ydaH
Pfam: AbgT putative transporter family
InterPro: p-Aminobenzoyl-glutamate transport protein AbgT

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