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CryoEM Structure of Mannose Transporter ManYZ and Microcin E492 (MceA) complex

Electron Microscopy
2.28Å resolution
PDB entry 7dyr coloured by chain, front view.
PDB entry 7dyr coloured by chain, side view.
PDB entry 7dyr coloured by chain, top view.
Source organisms:
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: 64342.07 Å2
Buried surface area: 47910.75 Å2
Dissociation area: 3,624.87 Å2
Dissociation energy (ΔGdiss): 52.52 kcal/mol
Dissociation entropy (TΔSdiss): 30.82 kcal/mol
Symmetry number: 3
PDBe Complex ID: PDB-CPX-159669

Macromolecules

PTS system mannose-specific EIIC component
Chains: B, E, Y
Length: 266 amino acids
Theoretical weight: 27.65 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli 'BL21-Gold(DE3)pLysS AG'
UniProt:
  • Canonical: P69801 (Residues: 1-266; Coverage: 100%)
Gene names: JW1807, b1818, manY, pel, ptsP
Pfam: PTS system sorbose-specific iic component
InterPro: Phosphotransferase system, mannose/fructose/sorbose family, IIC subunit
PTS system mannose-specific EIIC component in PDB entry 7dyr, assembly 1, front view.
PTS system mannose-specific EIIC component in PDB entry 7dyr, assembly 1, side view.
PTS system mannose-specific EIIC component in PDB entry 7dyr, assembly 1, top view.
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PTS system mannose-specific EIID component
Chains: C, F, Z
Length: 283 amino acids
Theoretical weight: 30.98 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli 'BL21-Gold(DE3)pLysS AG'
UniProt:
  • Canonical: P69805 (Residues: 1-283; Coverage: 100%)
Gene names: JW1808, b1819, gptB, manZ, ptsM
Pfam: PTS system mannose/fructose/sorbose family IID component
InterPro: Phosphotransferase system, mannose/fructose/sorbose family IID component
PTS system mannose-specific EIID component in PDB entry 7dyr, assembly 1, front view.
PTS system mannose-specific EIID component in PDB entry 7dyr, assembly 1, side view.
PTS system mannose-specific EIID component in PDB entry 7dyr, assembly 1, top view.
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Microcin E492
Chains: A, D, G
Length: 84 amino acids
Theoretical weight: 7.89 KDa
Source organism: Klebsiella pneumoniae
Expression system: Escherichia coli 'BL21-Gold(DE3)pLysS AG'
UniProt:
  • Canonical: Q9Z4N4 (Residues: 16-99; Coverage: 100%)
Gene name: mceA
Microcin E492 in PDB entry 7dyr, assembly 1, front view.
Microcin E492 in PDB entry 7dyr, assembly 1, side view.
Microcin E492 in PDB entry 7dyr, assembly 1, top view.
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