4ypg

X-ray diffraction
3Å resolution

Structural Insights Into the Neutralization Properties of a Human Anti-Interferon Monoclonal Antibody

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-229766 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Ig-like domain-containing protein Chains: A, L
Molecule details ›
Chains: A, L
Length: 215 amino acids
Theoretical weight: 23.43 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: Q6PJF2 (Residues: 21-235; Coverage: 100%)
Gene name: IGK@
Sequence domains:
Structure domains: Immunoglobulins
Sifalimumab heavy chain Chains: B, H
Molecule details ›
Chains: B, H
Length: 219 amino acids
Theoretical weight: 23.22 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
Structure domains: Immunoglobulins
Interferon alpha-2 Chains: C, D
Molecule details ›
Chains: C, D
Length: 161 amino acids
Theoretical weight: 18.75 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P01563 (Residues: 24-182; Coverage: 96%)
Gene names: IFNA2, IFNA2A, IFNA2B, IFNA2C
Sequence domains: Interferon alpha/beta domain
Structure domains: Growth Hormone; Chain: A;

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU MICROMAX-007 HF
Spacegroup: I222
Unit cell:
a: 134.82Å b: 153.26Å c: 163.49Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.209 0.206 0.272
Expression systems:
  • Homo sapiens
  • Escherichia coli