4lkx

X-ray diffraction
1.92Å resolution

Humanized antibody 4B12 Fab complexed with a CemX segment

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-164736 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Ig-like domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 225 amino acids
Theoretical weight: 23.79 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q6GMX6 (Residues: 20-48, 49-243; Coverage: 50%)
Gene name: IGH@
Sequence domains:
Structure domains: Immunoglobulins
Ig-like domain-containing protein Chain: B
Molecule details ›
Chain: B
Length: 219 amino acids
Theoretical weight: 23.89 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q0KKI6 (Residues: 1-219; Coverage: 100%)
Sequence domains:
Structure domains: Immunoglobulins
CemX segment Chain: R
Molecule details ›
Chain: R
Length: 14 amino acids
Theoretical weight: 1.42 KDa
Source organism: Homo sapiens
Expression system: Not provided

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSRRC BEAMLINE BL13C1
Spacegroup: P212121
Unit cell:
a: 42.045Å b: 107.156Å c: 110.215Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.182 0.18 0.229
Expression systems:
  • Escherichia coli
  • Not provided