PDBe 4qzu

X-ray diffraction
1.5Å resolution

Crystal Structure of wild type Human Cellular Retinol Binding Protein II (hCRBPII) bound to retinol at 11 KeV beam energy


Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Retinol-binding protein 2 Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 133 amino acids
Theoretical weight: 15.6 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: P50120 (Residues: 2-134; Coverage: 99%)
Gene names: CRBP2, RBP2
Sequence domains: Lipocalin / cytosolic fatty-acid binding protein family
Structure domains: Lipocalin

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 21-ID-D
Spacegroup: P1
Unit cell:
a: 36.476Å b: 54.139Å c: 68.298Å
α: 107.64° β: 96.94° γ: 103.71°
R R work R free
0.165 0.162 0.218
Expression system: Escherichia coli