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Structure of the alpha-N-methyltransferase (SonM) and RiPP precursor (SonA) heteromeric complex (with SAH)

X-ray diffraction
2Å resolution
PDB entry 7lte coloured by chain, front view.
PDB entry 7lte coloured by chain, side view.
PDB entry 7lte coloured by chain, top view.
Source organism: Shewanella oneidensis MR-1
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: LigA domain-containing protein and Tetrapyrrole methylase domain-containing protein
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Multimeric state: hetero tetramer
Accessible surface area: 23955.38 Å2
Buried surface area: 13758.52 Å2
Dissociation area: 3,626.26 Å2
Dissociation energy (ΔGdiss): 44.58 kcal/mol
Dissociation entropy (TΔSdiss): 14.7 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-184393

Macromolecules

Tetrapyrrole methylase domain-containing protein
Chains: A, C
Length: 263 amino acids
Theoretical weight: 29.07 KDa
Source organism: Shewanella oneidensis MR-1
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8EGW3 (Residues: 1-263; Coverage: 100%)
Gene name: SO_1478
Pfam: Tetrapyrrole (Corrin/Porphyrin) Methylases
InterPro:
Tetrapyrrole methylase domain-containing protein in PDB entry 7lte, assembly 1, front view.
Tetrapyrrole methylase domain-containing protein in PDB entry 7lte, assembly 1, side view.
Tetrapyrrole methylase domain-containing protein in PDB entry 7lte, assembly 1, top view.
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LigA domain-containing protein
Chains: B, D
Length: 71 amino acids
Theoretical weight: 7.85 KDa
Source organism: Shewanella oneidensis MR-1
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8EGW2 (Residues: 1-71; Coverage: 100%)
Gene name: SO_1479
InterPro:
LigA domain-containing protein in PDB entry 7lte, assembly 1, front view.
LigA domain-containing protein in PDB entry 7lte, assembly 1, side view.
LigA domain-containing protein in PDB entry 7lte, assembly 1, top view.
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