PDBe 1qac

X-ray diffraction
1.8Å resolution

CHANGE IN DIMERIZATION MODE BY REMOVAL OF A SINGLE UNSATISFIED POLAR RESIDUE

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Immunoglobulin kappa variable 4-1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 114 amino acids
Theoretical weight: 12.64 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P06312 (Residues: 21-121; Coverage: 100%)
Gene name: IGKV4-1
Sequence domains: Immunoglobulin V-set domain
Structure domains: Immunoglobulins

Ligands and Environments

No bound ligands

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P21
Unit cell:
a: 35.3Å b: 83.6Å c: 42.8Å
α: 90° β: 109° γ: 90°
R-values:
R R work R free
0.193 0.193 0.226
Expression system: Escherichia coli