PDBe 4zj0

X-ray diffraction
1.5Å resolution

The crystal structure of monomer Q108K:K40L:Y60W CRBPII bound to all-trans-retinal


Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Retinol-binding protein 2 Chains: A, B
Molecule details ›
Chains: A, B
Length: 133 amino acids
Theoretical weight: 15.61 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

2 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: 30.081Å b: 36.049Å c: 63.92Å
α: 90.94° β: 91.99° γ: 113.93°
R R work R free
0.201 0.198 0.251
Expression system: Escherichia coli