› 7xz4

X-ray diffraction
2.2Å resolution

Crystal structure of ferritin from Setaria italica

Released:
DOI: 10.2210/pdb7xz4/pdb
PDB entry 7xz4 coloured by chain, front view.
PDB entry 7xz4 coloured by chain, side view.
PDB entry 7xz4 coloured by chain, top view.
Source organism: Setaria italica
Primary publication:
Extension Peptide of Plant Ferritin from Setaria italica Presents a Novel Fold.
Wang W, Wang Y, Xi H, Song Z, Zhang W, Xie L, Ma D, Qin N, Wang H
J Agric Food Chem 71 934-943 (2023)
PMID: 36576327

Function and Biology Details

Reaction catalysed: 
4 Fe(2+) + 4 H(+) + O(2) = 4 Fe(3+) + 2 H(2)O
Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
homo 24-mer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-125518 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Ferritin Chain: A
Molecule details ›
Chain: A
Length: 208 amino acids
Theoretical weight: 23.73 KDa
Source organism: Setaria italica
Expression system: Escherichia coli
UniProt:
  • Canonical: K3ZJM0 (Residues: 46-253; Coverage: 82%)
Gene names: LOC101778084, SETIT_8G019400v2
Sequence domains: Ferritin-like domain

Ligands and Environments

2 bound ligands:
Ligand FE 14 x FE
Ligand PO4 2 x PO4
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL10U2
Spacegroup: I432
Unit cell:
a: 150.336Å b: 150.336Å c: 150.336Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.162 0.158 0.201
Expression system: Escherichia coli

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