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The Crystal Structures of holo-wt human Cellular Retinol Binding protein II (hCRBPII) bound to Retinol

X-ray diffraction
1.19Å resolution
PDB entry 4qyn coloured by chain, front view.
PDB entry 4qyn coloured by chain, side view.
PDB entry 4qyn coloured by chain, top view.
Source organism: Homo sapiens
Assembly composition:
monomeric (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1
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Assembly Name: Retinol-binding protein 2
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Multimeric state: monomeric
Accessible surface area: 6999.2 Å2
Buried surface area: 835.34 Å2
Dissociation area: 417.67 Å2
Dissociation energy (ΔGdiss): -4.09 kcal/mol
Dissociation entropy (TΔSdiss): 4.04 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-156128
Assembly 2 (preferred)
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Assembly Name: Retinol-binding protein 2
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Multimeric state: monomeric
Accessible surface area: 7087.31 Å2
Buried surface area: 967.84 Å2
Dissociation area: 55.68 Å2
Dissociation energy (ΔGdiss): 0.21 kcal/mol
Dissociation entropy (TΔSdiss): -0.42 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-156128

Macromolecules

Retinol-binding protein 2
Chains: A, B
Length: 133 amino acids
Theoretical weight: 15.6 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P50120 (Residues: 2-134; Coverage: 99%)
Gene names: CRBP2, RBP2
Pfam: Lipocalin / cytosolic fatty-acid binding protein family
InterPro:
CATH: Lipocalin
Retinol-binding protein 2 in PDB entry 4qyn, assembly 2, front view.
Retinol-binding protein 2 in PDB entry 4qyn, assembly 2, side view.
Retinol-binding protein 2 in PDB entry 4qyn, assembly 2, top view.
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