6gb7

X-ray diffraction
2.15Å resolution

Function and Biology Details

Structure analysis Details

Assemblies composition:
hetero tetramer (preferred)
hetero trimer
PDBe Complex ID:
PDB-CPX-219135 (preferred)
Entry contents:
5 distinct polypeptide molecules
Macromolecules (5 distinct):
H-2 class I histocompatibility antigen, D-B alpha chain Chains: A, C, E, G
Molecule details ›
Chains: A, C, E, G
Length: 338 amino acids
Theoretical weight: 38.45 KDa
Source organism: Mus musculus
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P01899 (Residues: 25-362; Coverage: 100%)
Gene name: H2-D1
Sequence domains:
Structure domains:
Beta-2-microglobulin Chains: B, D, H
Molecule details ›
Chains: B, D, H
Length: 100 amino acids
Theoretical weight: 11.76 KDa
Source organism: Mus musculus
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P01887 (Residues: 21-119; Coverage: 100%)
Gene name: B2m
Sequence domains: Immunoglobulin C1-set domain
Structure domains: Immunoglobulins
Beta-2-microglobulin Chain: F
Molecule details ›
Chain: F
Length: 99 amino acids
Theoretical weight: 11.7 KDa
Source organism: Mus musculus
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P01887 (Residues: 21-119; Coverage: 100%)
Gene name: B2m
Sequence domains: Immunoglobulin C1-set domain
Structure domains: Immunoglobulins
Nucleoprotein Chains: I, J, K, L
Molecule details ›
Chains: I, J, K, L
Length: 7 amino acids
Theoretical weight: 765 Da
UniProt:
  • Canonical: O57286 (Residues: 324-330; Coverage: 1%)
Gene names: N, NP
Tapasin Chains: P, R
Molecule details ›
Chains: P, R
Length: 10 amino acids
Theoretical weight: 891 Da
Source organism: Mus musculus
Expression system: Not provided
UniProt:
  • Canonical: Q9R233 (Residues: 34-43; Coverage: 2%)
Gene names: Tapa, Tapbp

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: BESSY BEAMLINE 14.1
Spacegroup: P21
Unit cell:
a: 92.7Å b: 123.86Å c: 100.11Å
α: 90° β: 103.66° γ: 90°
R-values:
R R work R free
0.24 0.239 0.266
Expression systems:
  • Escherichia coli BL21
  • Not provided