5l2k

X-ray diffraction
3.2Å resolution

Crystal structure of GEM42 TCR-CD1b-GMM complex

Released:

Function and Biology Details

Structure analysis Details

Assemblies composition:
hetero tetramer (preferred)
hetero hexadecamer
PDBe Complex ID:
PDB-CPX-230924 (preferred)
Entry contents:
4 distinct polypeptide molecules
Macromolecules (4 distinct):
T-cell surface glycoprotein CD1b Chain: A
Molecule details ›
Chain: A
Length: 300 amino acids
Theoretical weight: 33.49 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: P29016 (Residues: 20-296; Coverage: 88%)
Gene name: CD1B
Sequence domains:
Structure domains:
Beta-2-microglobulin Chain: B
Molecule details ›
Chain: B
Length: 98 amino acids
Theoretical weight: 11.62 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: P61769 (Residues: 21-118; Coverage: 99%)
Gene names: B2M, CDABP0092, HDCMA22P
Sequence domains: Immunoglobulin C1-set domain
Structure domains: Immunoglobulins
GEM42 TCR alpha chain Chain: D
Molecule details ›
Chain: D
Length: 204 amino acids
Theoretical weight: 22.65 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
Structure domains: Immunoglobulins
GEM42 TCR beta chain Chain: E
Molecule details ›
Chain: E
Length: 243 amino acids
Theoretical weight: 27.31 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
Structure domains: Immunoglobulins

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: AUSTRALIAN SYNCHROTRON BEAMLINE MX2
Spacegroup: P6422
Unit cell:
a: 174.998Å b: 174.998Å c: 170.869Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.219 0.218 0.239
Expression systems:
  • Homo sapiens
  • Escherichia coli BL21(DE3)