1kjm

X-ray diffraction
2.35Å resolution

TAP-A-associated rat MHC class I molecule

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
RT1 class I histocompatibility antigen, AA alpha chain Chain: A
Molecule details ›
Chain: A
Length: 285 amino acids
Theoretical weight: 33.33 KDa
Source organism: Rattus norvegicus
Expression system: Escherichia coli
UniProt:
  • Canonical: P16391 (Residues: 25-285, 288-300; Coverage: 79%)
Sequence domains: Immunoglobulin C1-set domain
Structure domains:
Beta-2-microglobulin Chain: B
Molecule details ›
Chain: B
Length: 100 amino acids
Theoretical weight: 11.78 KDa
Source organism: Rattus norvegicus
Expression system: Escherichia coli
UniProt:
  • Canonical: P07151 (Residues: 21-119; Coverage: 100%)
Gene name: B2m
Sequence domains: Immunoglobulin C1-set domain
Structure domains: Immunoglobulins
B6 Peptide Chain: P
Molecule details ›
Chain: P
Length: 9 amino acids
Theoretical weight: 925 Da

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL7-1
Spacegroup: P21212
Unit cell:
a: 110.049Å b: 109.566Å c: 45.3Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.249 0.247 0.268
Expression system: Escherichia coli