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Crystal structure of E.coli BamA beta-barrel in complex with darobactin (crystal form 2)

X-ray diffraction
2.2Å resolution
PDB entry 7nrf coloured by chain, front view.
PDB entry 7nrf coloured by chain, side view.
PDB entry 7nrf coloured by chain, top view.
Source organisms:
Assembly composition:
hetero dimer (preferred)
Entry contents: 2 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Outer membrane protein assembly factor BamA and peptide
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Multimeric state: hetero dimer
Accessible surface area: 19104.44 Å2
Buried surface area: 3867.12 Å2
Dissociation area: 649.82 Å2
Dissociation energy (ΔGdiss): -6.99 kcal/mol
Dissociation entropy (TΔSdiss): 7.71 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-199619

Macromolecules

Outer membrane protein assembly factor BamA
Chain: A
Length: 411 amino acids
Theoretical weight: 46.02 KDa
Source organism: Escherichia coli O157:H7
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P0A940 (Residues: 421-810; Coverage: 49%)
Gene names: JW0172, b0177, bamA, yaeT, yzzN, yzzY
Pfam: Omp85 superfamily domain
InterPro:
Outer membrane protein assembly factor BamA in PDB entry 7nrf, assembly 1, front view.
Outer membrane protein assembly factor BamA in PDB entry 7nrf, assembly 1, side view.
Outer membrane protein assembly factor BamA in PDB entry 7nrf, assembly 1, top view.
PDBe-KB: UniProt Coverage View: P0A940  
141150100150200250300350400
 
100200300400
UniProt
P0A940
Chains
Domains
Secondary structure
Ligand binding sites
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Darobactin
Chain: B
Length: 7 amino acids
Theoretical weight: 971 Da
Source organism: synthetic construct
Expression system: Not provided
Darobactin in PDB entry 7nrf, assembly 1, front view.
Darobactin in PDB entry 7nrf, assembly 1, side view.
Darobactin in PDB entry 7nrf, assembly 1, top view.
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