PDBe 3arf

X-ray diffraction
2.9Å resolution

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
Entry contents:
4 distinct polypeptide molecules
Macromolecules (4 distinct):
Antigen-presenting glycoprotein CD1d1 Chain: A
Molecule details ›
Chain: A
Length: 302 amino acids
Theoretical weight: 34.66 KDa
Source organism: Mus musculus
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P11609 (Residues: 19-297; Coverage: 88%)
Gene names: Cd1.1, Cd1d1
Sequence domains: Immunoglobulin C1-set domain
Structure domains:
Beta-2-microglobulin Chain: B
Molecule details ›
Chain: B
Length: 99 amino acids
Theoretical weight: 11.66 KDa
Source organism: Mus musculus
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P01887 (Residues: 21-119; Coverage: 100%)
Gene name: B2m
Sequence domains: Immunoglobulin C1-set domain
Structure domains: Immunoglobulins
T cell receptor alpha constant Chain: C
Molecule details ›
Chain: C
Length: 207 amino acids
Theoretical weight: 22.78 KDa
Source organism: Mus musculus
Expression system: Escherichia coli
UniProt:
  • Canonical: P01848 (Residues: 1-93; Coverage: 66%)
Gene names: TCRA, TRAC
Sequence domains: Domain of unknown function (DUF1968)
Structure domains: Immunoglobulins
T cell receptor beta constant 1 Chain: D
Molecule details ›
Chain: D
Length: 244 amino acids
Theoretical weight: 27.17 KDa
Source organism: Mus musculus
Expression system: Escherichia coli
UniProt:
  • Canonical: P01850 (Residues: 1-129; Coverage: 73%)
Gene name: TRBC1
Sequence domains: Immunoglobulin C1-set domain
Structure domains: Immunoglobulins

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: AUSTRALIAN SYNCHROTRON BEAMLINE MX2
Spacegroup: P212121
Unit cell:
a: 58.95Å b: 87.046Å c: 234.86Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.227 0.225 0.277
Expression systems:
  • Trichoplusia ni
  • Escherichia coli