5c58

X-ray diffraction
2.8Å resolution

A double mutant of serratia marcescens hemophore receptor HasR in complex with its hemophore HasA and heme

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-176204 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Secretin/TonB short N-terminal domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 865 amino acids
Theoretical weight: 94.83 KDa
Source organism: Serratia marcescens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q79AD2 (Residues: 35-899; Coverage: 100%)
Gene name: hasR
Sequence domains:
Structure domains:
Hemophore HasA Chain: B
Molecule details ›
Chain: B
Length: 206 amino acids
Theoretical weight: 21.52 KDa
Source organism: Serratia marcescens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q54450 (Residues: 2-188; Coverage: 100%)
Gene name: hasA
Sequence domains: Heme-binding protein A (HasA)
Structure domains: Haem-binding HasA

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X06SA
Spacegroup: I222
Unit cell:
a: 101.971Å b: 114.619Å c: 260.757Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.25 0.247 0.296
Expression system: Escherichia coli