PDBe 3kpr

X-ray diffraction
2.6Å resolution

Crystal Structure of the LC13 TCR in complex with HLA B*4405 bound to EEYLKAWTF a mimotope

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero pentamer (preferred)
Entry contents:
5 distinct polypeptide molecules
Macromolecules (5 distinct):
HLA class I histocompatibility antigen, B-44 alpha chain Chains: A, F
Molecule details ›
Chains: A, F
Length: 276 amino acids
Theoretical weight: 32.03 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P30481 (Residues: 25-300; Coverage: 82%)
Gene names: HLA-B, HLAB
Sequence domains:
Structure domains:
Beta-2-microglobulin Chains: B, G
Molecule details ›
Chains: B, G
Length: 99 amino acids
Theoretical weight: 11.75 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P61769 (Residues: 21-119; Coverage: 100%)
Gene names: B2M, CDABP0092, HDCMA22P
Sequence domains: Immunoglobulin C1-set domain
Structure domains: Immunoglobulins
EEYLKAWTF, mimotope peptide Chains: C, H
Molecule details ›
Chains: C, H
Length: 9 amino acids
Theoretical weight: 1.19 KDa
T cell receptor alpha constant Chains: D, I
Molecule details ›
Chains: D, I
Length: 201 amino acids
Theoretical weight: 22.32 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P01848 (Residues: 1-89; Coverage: 64%)
Gene names: TCRA, TRAC
Structure domains: Immunoglobulins
T cell receptor beta constant 1 Chains: E, J
Molecule details ›
Chains: E, J
Length: 241 amino acids
Theoretical weight: 27.15 KDa
Source organism: Homo sapiens
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

No bound ligands

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: AUSTRALIAN SYNCHROTRON BEAMLINE MX1
Spacegroup: C2
Unit cell:
a: 223.117Å b: 53.217Å c: 143.202Å
α: 90° β: 102.39° γ: 90°
R-values:
R R work R free
0.222 0.219 0.279
Expression system: Escherichia coli