4ykm

X-ray diffraction
1.58Å resolution

Crystal structure of the R111K:Y134F:T54V:R132Q:P39Q:R59Y:A32W:F3Q mutant of human Cellular Retinoic Acid Binding Protein II with Retinal at 1.58 angstrom resolution

Released:
Source organism: Homo sapiens
Primary publication:
A Photoisomerizing Rhodopsin Mimic Observed at Atomic Resolution.
J Am Chem Soc 138 8802-8 (2016)
PMID: 27310917

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-151430 (preferred)
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: 15.64 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
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-D
Spacegroup: P1
Unit cell:
a: 36.692Å b: 39.296Å c: 58.431Å
α: 87.15° β: 80° γ: 70.54°
R-values:
R R work R free
0.184 0.182 0.216
Expression system: Escherichia coli BL21(DE3)