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Structure of Xenopus tropicalis acid-sensitive outwardly rectifying channel ASOR (resting state)

Electron Microscopy
3.48Å resolution
PDB entry 8h8f coloured by chain, front view.
PDB entry 8h8f coloured by chain, side view.
PDB entry 8h8f coloured by chain, top view.
Source organism: Xenopus tropicalis
Assembly composition:
homo trimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Proton-activated chloride channel
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Multimeric state: homo trimer
Accessible surface area: 40744.25 Å2
Buried surface area: 8075.06 Å2
Dissociation area: 4,037.53 Å2
Dissociation energy (ΔGdiss): 31.84 kcal/mol
Dissociation entropy (TΔSdiss): 28.89 kcal/mol
Symmetry number: 3
PDBe Complex ID: PDB-CPX-243797

Macromolecules

Proton-activated chloride channel
Chains: A, B, C
Length: 352 amino acids
Theoretical weight: 41.03 KDa
Source organism: Xenopus tropicalis
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: Q0V9Z3 (Residues: 1-352; Coverage: 100%)
Gene names: pacc1, tmem206
Pfam: TMEM206 protein family
Proton-activated chloride channel in PDB entry 8h8f, assembly 1, front view.
Proton-activated chloride channel in PDB entry 8h8f, assembly 1, side view.
Proton-activated chloride channel in PDB entry 8h8f, assembly 1, top view.
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