5ffh

X-ray diffraction
1.68Å resolution

Crystal structure of the Q108K:K40L:T51V:R58W:Y19W mutant of human Cellular Retinol Binding Protein II in complex with All-trans-Retinal at 1.68 Angstrom Resolution

Released:
Source organism: Homo sapiens
Entry authors: Nossoni Z, Nosrati M, Geiger JH

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-156128 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Retinol-binding protein 2 Chains: A, B
Molecule details ›
Chains: A, B
Length: 133 amino acids
Theoretical weight: 15.63 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
UniProt:
  • 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: 29.964Å b: 35.914Å c: 64.568Å
α: 90.63° β: 91.28° γ: 113.89°
R-values:
R R work R free
0.218 0.216 0.267
Expression system: Escherichia coli BL21