PDBe 3i17

X-ray diffraction
1.68Å resolution

Crystal structure of the apo R132K:L121E mutant of cellular retinoic acid-binding protein II at 1.68 angstrom resolution


Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Cellular retinoic acid-binding protein 2 Chains: A, B
Molecule details ›
Chains: A, B
Length: 137 amino acids
Theoretical weight: 15.57 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

No 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: 34.699Å b: 37.271Å c: 60.371Å
α: 105.8° β: 106.44° γ: 89.97°
R R work R free
0.183 0.18 0.231
Expression system: Escherichia coli