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Crystal structure of Ls-AChBP complexed with carbamoylcholine analogue N,N-dimethyl-4-(1-methyl-1H-imidazol-2-yloxy)butan-2-amine

X-ray diffraction
2.195Å resolution
PDB entry 3zdh coloured by chain, front view.
PDB entry 3zdh coloured by chain, side view.
PDB entry 3zdh coloured by chain, top view.
Source organism: Lymnaea stagnalis
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: Acetylcholine binding protein complex
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Multimeric state: homo pentamer
Accessible surface area: 41149.14 Å2
Buried surface area: 14209.17 Å2
Dissociation area: 6,897.75 Å2
Dissociation energy (ΔGdiss): 45.81 kcal/mol
Dissociation entropy (TΔSdiss): 54.37 kcal/mol
Symmetry number: 5
PDBe Complex ID: PDB-CPX-157653
Complex Portal ID: CPX-259
Assembly 2
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Assembly Name: Acetylcholine binding protein complex
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Multimeric state: homo pentamer
Accessible surface area: 41267.18 Å2
Buried surface area: 13813.98 Å2
Dissociation area: 6,829.04 Å2
Dissociation energy (ΔGdiss): 38.06 kcal/mol
Dissociation entropy (TΔSdiss): 54.34 kcal/mol
Symmetry number: 5
PDBe Complex ID: PDB-CPX-157653
Complex Portal ID: CPX-259

Macromolecules

Acetylcholine-binding protein
Chains: A, B, C, D, E, F, G, H, I, J
Length: 210 amino acids
Theoretical weight: 23.86 KDa
Source organism: Lymnaea stagnalis
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: P58154 (Residues: 20-229; Coverage: 100%)
Pfam: Neurotransmitter-gated ion-channel ligand binding domain
InterPro:
CATH: Neurotransmitter-gated ion-channel ligand-binding domain
Acetylcholine-binding protein in PDB entry 3zdh, assembly 1, front view.
Acetylcholine-binding protein in PDB entry 3zdh, assembly 1, side view.
Acetylcholine-binding protein in PDB entry 3zdh, assembly 1, top view.
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