4n0u

X-ray diffraction
3.8Å resolution

Ternary complex between Neonatal Fc receptor, serum albumin and Fc

Released:
Source organism: Homo sapiens

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero octamer (preferred)
PDBe Complex ID:
PDB-CPX-134850 (preferred)
Entry contents:
4 distinct polypeptide molecules
Macromolecules (5 distinct):
IgG receptor FcRn large subunit p51 Chain: A
Molecule details ›
Chain: A
Length: 264 amino acids
Theoretical weight: 29.43 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P55899 (Residues: 27-290; Coverage: 77%)
Gene names: FCGRT, FCRN
Sequence domains:
Structure domains:
Beta-2-microglobulin Chain: B
Molecule details ›
Chain: B
Length: 99 amino acids
Theoretical weight: 11.75 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P61769 (Residues: 21-119; Coverage: 100%)
Gene names: B2M, CDABP0092, HDCMA22P
Sequence domains: Immunoglobulin C1-set domain
Structure domains: Immunoglobulins
Albumin Chain: D
Molecule details ›
Chain: D
Length: 583 amino acids
Theoretical weight: 66.39 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P02768 (Residues: 27-609; Coverage: 99%)
Gene names: ALB, GIG20, GIG42, PRO0903, PRO1708, PRO2044, PRO2619, PRO2675, UNQ696/PRO1341
Sequence domains: Serum albumin family
Structure domains: Serum Albumin; Chain A, Domain 1
Immunoglobulin heavy constant gamma 1 Chain: E
Molecule details ›
Chain: E
Length: 209 amino acids
Theoretical weight: 23.77 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P01857 (Residues: 119-327; Coverage: 52%)
Gene name: IGHG1
Sequence domains: Immunoglobulin C1-set domain
Structure domains: Immunoglobulins

Ligands and Environments

Carbohydrate polymer : NEW Components: NAG, BMA, MAN, FUL
No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X06DA
Spacegroup: P41212
Unit cell:
a: 153.19Å b: 153.19Å c: 145.998Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.282 0.282 0.303
Expression system: Escherichia coli