› 8p43

X-ray diffraction
2.43Å resolution

Structure of the MHC class Ib molecule Qa-1b in complex with Q001 peptide

Released:
DOI: 10.2210/pdb8p43/pdb
PDB entry 8p43 coloured by chain, front view.
PDB entry 8p43 coloured by chain, side view.
PDB entry 8p43 coloured by chain, top view.
Source organism: Mus musculus
Entry authors: Sala BM, Achour A

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-245719 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
H-2 class I histocompatibility antigen, Qa-1b Chain: A
Molecule details ›
Chain: A
Length: 277 amino acids
Theoretical weight: 32.35 KDa
Source organism: Mus musculus
Expression system: Escherichia coli
Beta-2-microglobulin Chain: B
Molecule details ›
Chain: B
Length: 100 amino acids
Theoretical weight: 11.84 KDa
Source organism: Mus musculus
Expression system: Escherichia coli
UniProt:
  • Canonical: P01887 (Residues: 21-119; Coverage: 100%)
Gene name: B2m
Sequence domains: Immunoglobulin C1-set domain
Q001 peptide Chain: P
Molecule details ›
Chain: P
Length: 9 amino acids
Theoretical weight: 1.02 KDa
Source organism: Mus musculus
Expression system: Not provided

Ligands and Environments

1 bound ligand:
Ligand NI 6 x NI
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: MAX IV BEAMLINE BioMAX
Spacegroup: P212121
Unit cell:
a: 59.56Å b: 72.797Å c: 96.515Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.194 0.191 0.247
Expression systems:
  • Escherichia coli
  • Not provided

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