6mtm

X-ray diffraction
3Å resolution

Crystal Structure of EM2 TCR in complex with HLA-B*37:01-NP338

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero pentamer (preferred)
PDBe Complex ID:
PDB-CPX-231692 (preferred)
Entry contents:
5 distinct polypeptide molecules
Macromolecules (5 distinct):
HLA class I histocompatibility antigen, B alpha chain Chain: A
Molecule details ›
Chain: A
Length: 276 amino acids
Theoretical weight: 31.93 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P01889 (Residues: 25-300; Coverage: 82%)
Gene names: HLA-B, HLAB
Sequence domains:
Structure domains:
Beta-2-microglobulin Chain: B
Molecule details ›
Chain: B
Length: 99 amino acids
Theoretical weight: 11.75 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P61769 (Residues: 21-119; Coverage: 100%)
Gene names: B2M, CDABP0092, HDCMA22P
Sequence domains: Immunoglobulin C1-set domain
Structure domains: Immunoglobulins
NP338 influenza peptide Chain: C
Molecule details ›
Chain: C
Length: 9 amino acids
Theoretical weight: 1.13 KDa
Source organism: unidentified influenza virus
Expression system: Not provided
EM2 TCR alpha chain Chain: D
Molecule details ›
Chain: D
Length: 193 amino acids
Theoretical weight: 21.49 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
Structure domains: Immunoglobulins
EM2 TCR beta chain Chain: E
Molecule details ›
Chain: E
Length: 237 amino acids
Theoretical weight: 26.89 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
Structure domains: Immunoglobulins

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: AUSTRALIAN SYNCHROTRON BEAMLINE MX2
Spacegroup: P212121
Unit cell:
a: 46.806Å b: 97.915Å c: 189.594Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.223 0.218 0.301
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided