PDBe 4x1b

X-ray diffraction
2.45Å resolution

Human serum transferrin with ferric ion bound at the C-lobe only

Source organism: Homo sapiens

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Serotransferrin Chain: A
Molecule details ›
Chain: A
Length: 679 amino acids
Theoretical weight: 75.28 KDa
Source organism: Homo sapiens
  • Canonical: P02787 (Residues: 20-698; Coverage: 100%)
Gene names: PRO1400, TF
Sequence domains: Transferrin
Structure domains: Periplasmic binding protein-like II

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL17U
Spacegroup: C2221
Unit cell:
a: 137.056Å b: 156.649Å c: 107.162Å
α: 90° β: 90° γ: 90°
R R work R free
0.192 0.19 0.226