PDBe 4m7m

X-ray diffraction
2.57Å resolution

Crystal structure of the R111K:R132Q:Y134F:T54V:R59W:A32W mutant of the Cellular Retinoic Acid Binding Protein Type II in complex with All-Trans Retinal at 2.57 Angstrom Resolution


Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Cellular retinoic acid-binding protein 2 Chain: A
Molecule details ›
Chain: A
Length: 137 amino acids
Theoretical weight: 15.65 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: P29373 (Residues: 2-138; Coverage: 99%)
Gene name: CRABP2
Sequence domains: Lipocalin / cytosolic fatty-acid binding protein family
Structure domains: Lipocalin

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 21-ID-D
Spacegroup: P3121
Unit cell:
a: 56.457Å b: 56.457Å c: 109.775Å
α: 90° β: 90° γ: 120°
R R work R free
0.205 0.203 0.253
Expression system: Escherichia coli