X-ray diffraction
1.76Å resolution

Apo YfeA extracted from the E. coli periplasm

Source organism: Yersinia pestis
Primary publication:
Structures of the substrate-binding protein YfeA in apo and zinc-reconstituted holo forms.
Acta Crystallogr D Struct Biol 75 831-840 (2019)
PMID: 31478906

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-176385 (preferred)
Entry contents:
1 distinct polypeptide molecule
Iron-binding protein YfeA Chain: A
Molecule details ›
Chain: A
Length: 311 amino acids
Theoretical weight: 34.43 KDa
Source organism: Yersinia pestis
Expression system: Escherichia coli
  • Canonical: Q56952 (Residues: 1-311; Coverage: 100%)
Gene names: YPO2439, YP_2227, y1897, yfeA
Sequence domains: Zinc-uptake complex component A periplasmic

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 23-ID-D
Spacegroup: P212121
Unit cell:
a: 40.017Å b: 52.426Å c: 113.263Å
α: 90° β: 90° γ: 90°
R R work R free
0.194 0.19 0.238
Expression system: Escherichia coli