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ACETYLCHOLINESTERASE (E.C. 3.1.1.7) COMPLEXED WITH FASCICULIN-II

X-ray diffraction
3Å resolution
PDB entry 1fss coloured by chain, front view.
PDB entry 1fss coloured by chain, side view.
PDB entry 1fss coloured by chain, top view.
Source organisms:
Assembly composition:
hetero tetramer (preferred)
Entry contents: 2 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Fasciculin-2 and Acetylcholinesterase
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Multimeric state: hetero tetramer
Accessible surface area: 42864.15 Å2
Buried surface area: 6421.77 Å2
Dissociation area: 1,960.48 Å2
Dissociation energy (ΔGdiss): 2.81 kcal/mol
Dissociation entropy (TΔSdiss): 22.27 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-137376

Macromolecules

Acetylcholinesterase
Chain: A
Length: 537 amino acids
Theoretical weight: 60.74 KDa
Source organism: Tetronarce californica
UniProt:
  • Canonical: P04058 (Residues: 22-558; Coverage: 95%)
Gene name: ache
Pfam: Carboxylesterase family
InterPro:
CATH: alpha/beta hydrolase
SCOP: Acetylcholinesterase-like
Acetylcholinesterase in PDB entry 1fss, assembly 1, front view.
Acetylcholinesterase in PDB entry 1fss, assembly 1, side view.
Acetylcholinesterase in PDB entry 1fss, assembly 1, top view.
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Fasciculin-2
Chain: B
Length: 61 amino acids
Theoretical weight: 6.77 KDa
Source organism: Dendroaspis angusticeps
UniProt:
  • Canonical: P0C1Z0 (Residues: 1-61; Coverage: 100%)
InterPro:
CATH: CD59
SCOP: Snake venom toxins
Fasciculin-2 in PDB entry 1fss, assembly 1, front view.
Fasciculin-2 in PDB entry 1fss, assembly 1, side view.
Fasciculin-2 in PDB entry 1fss, assembly 1, top view.
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