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Fragment growing induces conformational changes in acetylcholine- binding protein: A structural and thermodynamic analysis - (Fragment 1)

X-ray diffraction
3.65Å resolution
PDB entry 2y54 coloured by chain, front view.
PDB entry 2y54 coloured by chain, side view.
PDB entry 2y54 coloured by chain, top view.
Source organism: Aplysia californica
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: Neurotransmitter-gated ion-channel ligand-binding domain-containing protein
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Multimeric state: homo pentamer
Accessible surface area: 44949.25 Å2
Buried surface area: 14072.48 Å2
Dissociation area: 6,632.69 Å2
Dissociation energy (ΔGdiss): 33.71 kcal/mol
Dissociation entropy (TΔSdiss): 54.74 kcal/mol
Symmetry number: 5
PDBe Complex ID: PDB-CPX-186694

Macromolecules

Neurotransmitter-gated ion-channel ligand-binding domain-containing protein
Chains: A, B, C, D, E
Length: 217 amino acids
Theoretical weight: 24.69 KDa
Source organism: Aplysia californica
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: Q8WSF8 (Residues: 20-236; Coverage: 100%)
Pfam: Neurotransmitter-gated ion-channel ligand binding domain
InterPro:
CATH: Neurotransmitter-gated ion-channel ligand-binding domain
Neurotransmitter-gated ion-channel ligand-binding domain-containing protein in PDB entry 2y54, assembly 1, front view.
Neurotransmitter-gated ion-channel ligand-binding domain-containing protein in PDB entry 2y54, assembly 1, side view.
Neurotransmitter-gated ion-channel ligand-binding domain-containing protein in PDB entry 2y54, assembly 1, top view.
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