4qgx

X-ray diffraction
1.47Å resolution

Crystal structure of the R132K:R111L:L121E mutant of Cellular Retinoic Acid Binding ProteinII complexed with a synthetic ligand (Merocyanine) at 1.47 angstrom resolution

Released:

Function and Biology Details

Structure analysis Details

Assemblies composition:
monomeric (preferred)
homo dimer
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cellular retinoic acid-binding protein 2 Chains: A, B
Molecule details ›
Chains: A, B
Length: 137 amino acids
Theoretical weight: 15.53 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • 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-F
Spacegroup: P1
Unit cell:
a: 34.651Å b: 36.964Å c: 58.599Å
α: 72.58° β: 76.35° γ: 88.14°
R-values:
R R work R free
0.19 0.189 0.22
Expression system: Escherichia coli