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CryoEM structure of Methylococcus capsulatus (Bath) pMMO in a native lipid nanodisc at 2.16 Angstrom resolution

Electron Microscopy
2.16Å resolution
PDB entry 7s4j coloured by chain, front view.
PDB entry 7s4j coloured by chain, side view.
PDB entry 7s4j coloured by chain, top view.
Source organism: Methylococcus capsulatus str. Bath
Assembly composition:
hetero nonamer (preferred)
Entry contents: 3 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero nonamer
Accessible surface area: 69973.14 Å2
Buried surface area: 109104.52 Å2
Dissociation area: 16,365.65 Å2
Dissociation energy (ΔGdiss): -44.99 kcal/mol
Dissociation entropy (TΔSdiss): 36.08 kcal/mol
Symmetry number: 3
PDBe Complex ID: PDB-CPX-124232

Macromolecules

Particulate methane monooxygenase alpha subunit
Chains: A, E, I
Length: 414 amino acids
Theoretical weight: 46.13 KDa
Source organism: Methylococcus capsulatus str. Bath
UniProt:
  • Canonical: G1UBD1 (Residues: 1-414; Coverage: 100%)
Gene names: MCA1796, MCA2853, pmoB, pmoB1, pmoB2
Pfam: Monooxygenase subunit B protein
InterPro:
Particulate methane monooxygenase alpha subunit in PDB entry 7s4j, assembly 1, front view.
Particulate methane monooxygenase alpha subunit in PDB entry 7s4j, assembly 1, side view.
Particulate methane monooxygenase alpha subunit in PDB entry 7s4j, assembly 1, top view.
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Methane monooxygenase, C subunit
Chains: C, G, K
Length: 260 amino acids
Theoretical weight: 29.84 KDa
Source organism: Methylococcus capsulatus str. Bath
UniProt:
  • Canonical: Q603F1 (Residues: 1-260; Coverage: 100%)
Gene names: MCA1798, MCA2855, pmoC1
Pfam: Ammonia monooxygenase/methane monooxygenase, subunit C
InterPro:
Ammonia monooxygenase/methane monooxygenase, subunit C family protein in PDB entry 7s4j, assembly 1, front view.
Ammonia monooxygenase/methane monooxygenase, subunit C family protein in PDB entry 7s4j, assembly 1, side view.
Ammonia monooxygenase/methane monooxygenase, subunit C family protein in PDB entry 7s4j, assembly 1, top view.
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Particulate methane monooxygenase beta subunit
Chains: B, F, J
Length: 247 amino acids
Theoretical weight: 28.45 KDa
Source organism: Methylococcus capsulatus str. Bath
UniProt:
  • Canonical: Q607G3 (Residues: 1-247; Coverage: 100%)
Gene names: MCA1797, MCA2854, pmoA, pmoA1, pmoA2
Pfam: Ammonia monooxygenase
InterPro:
Particulate methane monooxygenase beta subunit in PDB entry 7s4j, assembly 1, front view.
Particulate methane monooxygenase beta subunit in PDB entry 7s4j, assembly 1, side view.
Particulate methane monooxygenase beta subunit in PDB entry 7s4j, assembly 1, top view.
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