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RETINOL BINDING PROTEIN COMPLEXED WITH TRANSTHYRETIN

X-ray diffraction
3.1Å resolution
PDB entry 1rlb coloured by chain, front view.
PDB entry 1rlb coloured by chain, side view.
PDB entry 1rlb coloured by chain, top view.
Source organisms:
Assembly composition:
hetero hexamer (preferred)
Entry contents: 2 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Retinol-binding protein 4 and Transthyretin
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Multimeric state: hetero hexamer
Accessible surface area: 37089.14 Å2
Buried surface area: 10559.06 Å2
Dissociation area: 4,493.71 Å2
Dissociation energy (ΔGdiss): 18.71 kcal/mol
Dissociation entropy (TΔSdiss): 61.38 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-136149

Macromolecules

Transthyretin
Chains: A, B, C, D
Length: 127 amino acids
Theoretical weight: 13.78 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P02766 (Residues: 21-147; Coverage: 100%)
Gene names: PALB, TTR
Pfam: HIUase/Transthyretin family
InterPro:
CATH: Transthyretin/hydroxyisourate hydrolase domain
SCOP: Transthyretin (synonym: prealbumin)
Transthyretin in PDB entry 1rlb, assembly 1, front view.
Transthyretin in PDB entry 1rlb, assembly 1, side view.
Transthyretin in PDB entry 1rlb, assembly 1, top view.
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Retinol-binding protein 4
Chains: E, F
Length: 174 amino acids
Theoretical weight: 20.08 KDa
Source organism: Gallus gallus
UniProt:
  • Canonical: P02753 (Residues: 19-192; Coverage: 95%)
Gene names: PRO2222, RBP4
Pfam: Lipocalin / cytosolic fatty-acid binding protein family
InterPro:
CATH: Lipocalin
SCOP: Retinol binding protein-like
Retinol-binding protein 4 in PDB entry 1rlb, assembly 1, front view.
Retinol-binding protein 4 in PDB entry 1rlb, assembly 1, side view.
Retinol-binding protein 4 in PDB entry 1rlb, assembly 1, top view.
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