PDBe 1s98

X-ray diffraction
2.3Å resolution

E.coli IscA crystal structure to 2.3 A


Function and Biology Details

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Entry contents:
1 distinct polypeptide molecule
Iron-binding protein IscA Chains: A, B
Molecule details ›
Chains: A, B
Length: 107 amino acids
Theoretical weight: 11.59 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
  • Canonical: P0AAC8 (Residues: 1-107; Coverage: 100%)
Gene names: JW2512, b2528, iscA, yfhF
Sequence domains: Iron-sulphur cluster biosynthesis
Structure domains: HesB-like domain

Ligands and Environments

No bound ligands

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-2
Spacegroup: P3221
Unit cell:
a: 66.252Å b: 66.252Å c: 150.85Å
α: 90° β: 90° γ: 120°
R R work R free
0.215 0.212 0.25
Expression system: Escherichia coli