PDBe 5men

X-ray diffraction
2.81Å resolution

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero pentamer (preferred)
Entry contents:
5 distinct polypeptide molecules
Macromolecules (5 distinct):
HLA class I histocompatibility antigen, A-2 alpha chain Chain: A
Molecule details ›
Chain: A
Length: 276 amino acids
Theoretical weight: 31.95 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli 'BL21-Gold(DE3)pLysS AG'
UniProt:
  • Canonical: P01892 (Residues: 25-300; Coverage: 81%)
Gene names: HLA-A, HLAA
Sequence domains:
Structure domains:
Beta-2-microglobulin Chain: B
Molecule details ›
Chain: B
Length: 100 amino acids
Theoretical weight: 11.88 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli 'BL21-Gold(DE3)pLysS AG'
UniProt:
  • Canonical: P61769 (Residues: 21-119; Coverage: 100%)
Gene names: B2M, CDABP0092, HDCMA22P
Sequence domains: Immunoglobulin C1-set domain
Structure domains: Immunoglobulins
Telomerase reverse transcriptase Chain: C
Molecule details ›
Chain: C
Length: 9 amino acids
Theoretical weight: 1.14 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: O14746 (Residues: 540-548; Coverage: 1%)
Gene names: EST2, TCS1, TERT, TRT
Protein TRAV22,Human nkt tcr alpha chain Chain: D
Molecule details ›
Chain: D
Length: 200 amino acids
Theoretical weight: 22.22 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
Structure domains: Immunoglobulins
Protein TRBV6-5,Human nkt tcr beta chain Chain: E
Molecule details ›
Chain: E
Length: 240 amino acids
Theoretical weight: 26.89 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
Structure domains: Immunoglobulins

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I24
Spacegroup: P21
Unit cell:
a: 93.16Å b: 48.69Å c: 118.1Å
α: 90° β: 108.15° γ: 90°
R-values:
R R work R free
0.193 0.189 0.272
Expression systems:
  • Escherichia coli 'BL21-Gold(DE3)pLysS AG'
  • Not provided
  • Escherichia coli