4pv8

X-ray diffraction
2.31Å resolution

Crystal Structure of H2Kb-Q600F complex

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-135055 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
H-2 class I histocompatibility antigen, K-B alpha chain Chains: A, C
Molecule details ›
Chains: A, C
Length: 278 amino acids
Theoretical weight: 32.07 KDa
Source organism: Mus musculus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P01901 (Residues: 22-299; Coverage: 80%)
Gene names: H2-K, H2-K1
Sequence domains:
Structure domains:
Beta-2-microglobulin Chains: B, D
Molecule details ›
Chains: B, D
Length: 99 amino acids
Theoretical weight: 11.7 KDa
Source organism: Mus musculus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P01887 (Residues: 21-119; Coverage: 100%)
Gene name: B2m
Sequence domains: Immunoglobulin C1-set domain
Structure domains: Immunoglobulins
S598 peptide modified Q600F Chains: E, F
Molecule details ›
Chains: E, F
Length: 8 amino acids
Theoretical weight: 966 Da

Ligands and Environments

2 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: AUSTRALIAN SYNCHROTRON BEAMLINE MX2
Spacegroup: P21
Unit cell:
a: 66.46Å b: 90.99Å c: 89.61Å
α: 90° β: 111.65° γ: 90°
R-values:
R R work R free
0.173 0.17 0.216
Expression system: Escherichia coli BL21(DE3)