PDBe 5f7g

X-ray diffraction
1.48Å resolution

Crystal structure of the Q108K:K40L:T51V:R58Y:Y19W:Q38L mutant of human Cellular Retinol Binding Protein II in complex with All-trans-Retinal at 1.48 Angstrom Resolution

Source organism: Homo sapiens
Entry authors: Nosrati M, Nossoni Z, Geiger JH

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: 15.59 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
  • 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: 29.97Å b: 35.722Å c: 64.455Å
α: 90.87° β: 91.33° γ: 114.36°
R R work R free
0.206 0.204 0.252
Expression system: Escherichia coli BL21