4p23

X-ray diffraction
2.25Å resolution

J809.B5 TCR bound to IAb/3K

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-210599 (preferred)
Entry contents:
4 distinct polypeptide molecules
Macromolecules (4 distinct):
J809.B5 TCR V alpha chain (Va2.8) Chain: A
Molecule details ›
Chain: A
Length: 199 amino acids
Theoretical weight: 22.31 KDa
Source organism: Mus musculus
Expression system: Escherichia coli
Structure domains: Immunoglobulins
J809.B5 TCR V beta chain (Vb8.2) Chain: B
Molecule details ›
Chain: B
Length: 239 amino acids
Theoretical weight: 26.76 KDa
Source organism: Mus musculus
Expression system: Escherichia coli
Structure domains: Immunoglobulins
H-2 class II histocompatibility antigen, A-B alpha chain Chain: C
Molecule details ›
Chain: C
Length: 179 amino acids
Theoretical weight: 20.24 KDa
Source organism: Mus musculus
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: P14434 (Residues: 27-205; Coverage: 77%)
Gene name: H2-Aa
Sequence domains:
Structure domains:
H-2 class II histocompatibility antigen, A beta chain Chain: D
Molecule details ›
Chain: D
Length: 218 amino acids
Theoretical weight: 25.1 KDa
Source organism: Mus musculus
Expression system: Escherichia coli
UniProt:
  • Canonical: P14483 (Residues: 2-4, 31-219; Coverage: 70%)
Gene names: H2-Ab1, H2-iabeta
Sequence domains:
Structure domains:

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X25
Spacegroup: C2
Unit cell:
a: 239.121Å b: 73.514Å c: 65.73Å
α: 90° β: 90.58° γ: 90°
R-values:
R R work R free
0.167 0.164 0.212
Expression systems:
  • Escherichia coli
  • Spodoptera frugiperda