4ww1

X-ray diffraction
1.38Å resolution

Crystal structure of human TCR Alpha Chain-TRAV21-TRAJ8 and Beta Chain-TRBV7-8

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-100945 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
T cell receptor alpha chain constant; T cell receptor alpha variable 21 Chain: A
Molecule details ›
Chain: A
Length: 207 amino acids
Theoretical weight: 22.57 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: A0A0B4J279 (Residues: 20-110; Coverage: 98%)
  • Canonical: P01848 (Residues: 1-93; Coverage: 66%)
Gene names: TCRA, TRAC, TRAV21
Sequence domains:
Structure domains: Immunoglobulins
T cell receptor beta constant 2 Chain: B
Molecule details ›
Chain: B
Length: 243 amino acids
Theoretical weight: 27.37 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: A0A5B9 (Residues: 1-129; Coverage: 73%)
Gene names: TCRBC2, TRBC2
Sequence domains: Immunoglobulin C1-set domain
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 MX1
Spacegroup: P21
Unit cell:
a: 43.11Å b: 73.12Å c: 65.6Å
α: 90° β: 94.49° γ: 90°
R-values:
R R work R free
0.194 0.193 0.213
Expression system: Escherichia coli