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Crystal structure of a putative extracellular heme-binding protein (DESPIG_02683) from Desulfovibrio piger ATCC 29098 at 1.24 A resolution

X-ray diffraction
1.24Å resolution
PDB entry 4nkp coloured by chain, front view.
PDB entry 4nkp coloured by chain, side view.
PDB entry 4nkp coloured by chain, top view.
Source organism: Desulfovibrio piger ATCC 29098
Assembly composition:
homo octamer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1
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Assembly Name: GlcG protein
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Multimeric state: homo octamer
Accessible surface area: 34459.19 Å2
Buried surface area: 30407.33 Å2
Dissociation area: 9,930.65 Å2
Dissociation energy (ΔGdiss): 128.91 kcal/mol
Dissociation entropy (TΔSdiss): 42.28 kcal/mol
Symmetry number: 8
PDBe Complex ID: PDB-CPX-110405
Assembly 2 (preferred)
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Assembly Name: GlcG protein
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Multimeric state: homo octamer
Accessible surface area: 37115.12 Å2
Buried surface area: 29399.08 Å2
Dissociation area: 9,892.59 Å2
Dissociation energy (ΔGdiss): 135.97 kcal/mol
Dissociation entropy (TΔSdiss): 42.41 kcal/mol
Symmetry number: 8
PDBe Complex ID: PDB-CPX-110405

Macromolecules

GlcG protein
Chains: A, B, C, D
Length: 148 amino acids
Theoretical weight: 15.74 KDa
Source organism: Desulfovibrio piger ATCC 29098
Expression system: Escherichia coli
UniProt:
  • Canonical: B6WX57 (Residues: 23-169; Coverage: 100%)
Gene name: DESPIG_02683
Pfam: Haem degrading protein HbpS-like
InterPro:
CATH: Haem-degrading domain
GlcG protein in PDB entry 4nkp, assembly 2, front view.
GlcG protein in PDB entry 4nkp, assembly 2, side view.
GlcG protein in PDB entry 4nkp, assembly 2, top view.
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