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Crystal structure of the C-terminal methionine sulfoxide reductase domain (MsrB) of N. gonorrhoeae pilB

X-ray diffraction
1.85Å resolution
PDB entry 1l1d coloured by chain, front view.
PDB entry 1l1d coloured by chain, side view.
PDB entry 1l1d coloured by chain, top view.
Source organism: Neisseria gonorrhoeae
Assemblies composition:
monomeric (preferred)
homo dimer
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Peptide methionine sulfoxide reductase MsrA/MsrB
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Multimeric state: monomeric
Accessible surface area: 7625.68 Å2
Buried surface area: 306.72 Å2
Dissociation area: 153.36 Å2
Dissociation energy (ΔGdiss): -5.69 kcal/mol
Dissociation entropy (TΔSdiss): 1.15 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-147157
Assembly 2
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Assembly Name: Peptide methionine sulfoxide reductase MsrA/MsrB
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Multimeric state: monomeric
Accessible surface area: 8189.38 Å2
Buried surface area: 321.38 Å2
Dissociation area: 128.72 Å2
Dissociation energy (ΔGdiss): -3.8 kcal/mol
Dissociation entropy (TΔSdiss): 1.14 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-147157
Assembly 3
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Assembly Name: Peptide methionine sulfoxide reductase MsrA/MsrB
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Multimeric state: homo dimer
Accessible surface area: 14808.67 Å2
Buried surface area: 2215.36 Å2
Dissociation area: 786.42 Å2
Dissociation energy (ΔGdiss): 0.94 kcal/mol
Dissociation entropy (TΔSdiss): 11.83 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-147158

Macromolecules

Peptide methionine sulfoxide reductase MsrA/MsrB
Chains: A, B
Length: 152 amino acids
Theoretical weight: 17.02 KDa
Source organism: Neisseria gonorrhoeae
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P14930 (Residues: 375-522; Coverage: 28%)
Gene names: msrAB, pilB
Pfam: SelR domain
InterPro:
CATH: Peptide methionine sulfoxide reductase.
SCOP: SelR domain
Peptide methionine sulfoxide reductase MsrA/MsrB in PDB entry 1l1d, assembly 1, front view.
Peptide methionine sulfoxide reductase MsrA/MsrB in PDB entry 1l1d, assembly 1, side view.
Peptide methionine sulfoxide reductase MsrA/MsrB in PDB entry 1l1d, assembly 1, top view.
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