PDBe 4yfr

X-ray diffraction
1.95Å resolution

Crystal structure of the R111K:Y134F:T54V:R132Q:P39Y:R59Y mutant of human Cellular Retinoic Acid Binding Protein II with Retinal at 1.95 Angstrom Resolution - UV irradiated crystal for 30 minutes - 1st Cycle

Source organism: Homo sapiens

Function and Biology Details

Structure analysis Details

Assemblies composition:
monomeric (preferred)
homo dimer
Entry contents:
1 distinct polypeptide molecule
Cellular retinoic acid-binding protein 2 Chain: A
Molecule details ›
Chain: A
Length: 137 amino acids
Theoretical weight: 15.58 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
  • 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: P3121
Unit cell:
a: 58.865Å b: 58.865Å c: 100.441Å
α: 90° β: 90° γ: 120°
R R work R free
0.203 0.2 0.265
Expression system: Escherichia coli BL21(DE3)