5wki

X-ray diffraction
2.75Å resolution

Crystal structure of PG90 TCR-CD1b-PG complex

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-207227 (preferred)
Entry contents:
4 distinct polypeptide molecules
Macromolecules (5 distinct):
T-cell surface glycoprotein CD1b Chain: A
Molecule details ›
Chain: A
Length: 300 amino acids
Theoretical weight: 33.53 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
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: 99 amino acids
Theoretical weight: 11.75 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P61769 (Residues: 21-119; Coverage: 100%)
Gene names: B2M, CDABP0092, HDCMA22P
Sequence domains: Immunoglobulin C1-set domain
Structure domains: Immunoglobulins
Ig-like domain-containing protein; T cell receptor alpha variable 26-1 Chain: D
Molecule details ›
Chain: D
Length: 204 amino acids
Theoretical weight: 22.84 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: A0A087WT03 (Residues: 18-107; Coverage: 98%)
  • Canonical: Q6P4G7 (Residues: 120-213; Coverage: 36%)
Gene names: TRA@, TRAV26-1
Sequence domains:
Structure domains: Immunoglobulins
PG90 TCR beta chain Chain: E
Molecule details ›
Chain: E
Length: 249 amino acids
Theoretical weight: 27.79 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
Structure domains: Immunoglobulins

Ligands and Environments

Carbohydrate polymer : NEW Components: NAG, FUC
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: AUSTRALIAN SYNCHROTRON BEAMLINE MX2
Spacegroup: C2
Unit cell:
a: 152.01Å b: 82.97Å c: 90.16Å
α: 90° β: 94.88° γ: 90°
R-values:
R R work R free
0.214 0.212 0.252
Expression systems:
  • Trichoplusia ni
  • Escherichia coli BL21(DE3)