PDBe 4efg

X-ray diffraction
1.58Å resolution

Crystal Structure of the Q108K:K40L:T51V:T53C:Y19W:R58W:T29L Mutant of Cellular Retinol Binding Protein Type II in Complex with All-trans-Retinal at 1.58 Angstrom Resolution


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: 15.65 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: 30.111Å b: 35.905Å c: 64.726Å
α: 90.93° β: 91.21° γ: 114.13°
R R work R free
0.196 0.194 0.242
Expression system: Escherichia coli