Structure analysis

The SECRET domain in complex with CX3CL1

X-ray diffraction
2.6Å resolution
Source organisms:
Assembly composition:
hetero dimer (preferred)
Entry contents: 2 distinct polypeptide molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero dimer
Accessible surface area: 11864.2 Å2
Buried surface area: 1100.11 Å2
Dissociation area: 550.06 Å2
Dissociation energy (ΔGdiss): -1.34 kcal/mol
Dissociation entropy (TΔSdiss): 10.55 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-160267

Macromolecules

Chain: A
Length: 163 amino acids
Theoretical weight: 18.01 KDa
Source organism: Ectromelia virus
Expression system: Escherichia coli
UniProt:
  • Canonical: Q7TDW8 (Residues: 162-320; Coverage: 50%)
Gene name: crmD
Pfam: Tumour necrosis factor receptor, SECRET domain
InterPro: Poxvirus, TNF receptor-II, C-terminal
CATH: Viral Chemokine Inhibitor; Chain A

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Chain: B
Length: 80 amino acids
Theoretical weight: 8.97 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P78423 (Residues: 24-100; Coverage: 20%)
Gene names: A-152E5.2, CX3CL1, FKN, NTT, SCYD1
Pfam: Small cytokines (intecrine/chemokine), interleukin-8 like
InterPro:
CATH: OB fold (Dihydrolipoamide Acetyltransferase, E2P)

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