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Reaction intermediate structure of Entamoeba histolytica methionine gamma-lyase 1 containing alpha-amino-alpha, beta-butenoic acid-pyridoxal-5'-phosphate

X-ray diffraction
2.28Å resolution
PDB entry 3aep coloured by chain, front view.
PDB entry 3aep coloured by chain, side view.
PDB entry 3aep coloured by chain, top view.
Source organism: Entamoeba histolytica
Assembly composition:
homo tetramer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Methionine gamma-lyase
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Multimeric state: homo tetramer
Accessible surface area: 47566.61 Å2
Buried surface area: 21094.88 Å2
Dissociation area: 4,563.92 Å2
Dissociation energy (ΔGdiss): 82.78 kcal/mol
Dissociation entropy (TΔSdiss): 16.04 kcal/mol
Symmetry number: 4
PDBe Complex ID: PDB-CPX-183128

Macromolecules

Methionine gamma-lyase
Chains: A, B, C, D
Length: 389 amino acids
Theoretical weight: 42.35 KDa
Source organism: Entamoeba histolytica
Expression system: Escherichia coli
UniProt:
  • Canonical: Q86D28 (Residues: 1-389; Coverage: 100%)
Gene name: metg
Pfam: Cys/Met metabolism PLP-dependent enzyme
InterPro:
CATH:
Methionine gamma-lyase in PDB entry 3aep, assembly 1, front view.
Methionine gamma-lyase in PDB entry 3aep, assembly 1, side view.
Methionine gamma-lyase in PDB entry 3aep, assembly 1, top view.
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