4g1u

X-ray diffraction
3.01Å resolution

X-ray structure of the bacterial heme transporter HmuUV from Yersinia pestis

Released:
Source organism: Yersinia pestis
Primary publication:
X-ray structure of the Yersinia pestis heme transporter HmuUV.
Nat Struct Mol Biol 19 1310-5 (2012)
PMID: 23142986

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-176388 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Hemin transport system permease protein HmuU Chains: A, B
Molecule details ›
Chains: A, B
Length: 357 amino acids
Theoretical weight: 38.36 KDa
Source organism: Yersinia pestis
Expression system: Escherichia coli
UniProt:
  • Canonical: Q56992 (Residues: 1-334; Coverage: 100%)
Gene names: YPO0280, YP_0435, hmuU, y0540
Sequence domains: FecCD transport family
Structure domains: ABC transporter involved in vitamin B12 uptake, BtuC
Hemin import ATP-binding protein HmuV Chains: C, D
Molecule details ›
Chains: C, D
Length: 266 amino acids
Theoretical weight: 29.69 KDa
Source organism: Yersinia pestis
Expression system: Escherichia coli
UniProt:
  • Canonical: Q56993 (Residues: 1-266; Coverage: 100%)
Gene names: YPO0279, YP_0434, hmuV, y0539
Sequence domains: ABC transporter
Structure domains: P-loop containing nucleotide triphosphate hydrolases

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X06SA
Spacegroup: P21
Unit cell:
a: 100.87Å b: 101.23Å c: 105.21Å
α: 90° β: 91.3° γ: 90°
R-values:
R R work R free
0.265 0.263 0.295
Expression system: Escherichia coli