› 6tmo

X-ray diffraction
2.1Å resolution

Structure determination of an enhanced affinity TCR, a24b17, in complex with HLA-A*02:01 presenting a MART-1 peptide, EAAGIGILTV

Released:
DOI: 10.2210/pdb6tmo/pdb
PDB entry 6tmo coloured by chain, front view.
PDB entry 6tmo coloured by chain, side view.
PDB entry 6tmo coloured by chain, top view.
Source organism: Homo sapiens
Primary publication:
Molecular Rules Underpinning Enhanced Affinity Binding of Human T Cell Receptors Engineered for Immunotherapy.
Crean RM, MacLachlan BJ, Madura F, Whalley T, Rizkallah PJ, Holland CJ, McMurran C, Harper S, Godkin A, Sewell AK, Pudney CR, van der Kamp MW, Cole DK
Mol Ther Oncolytics 18 443-456 (2020)
PMID: 32913893

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
hetero pentamer (preferred)
PDBe Complex ID:
PDB-CPX-207471 (preferred)
Entry contents:
5 distinct polypeptide molecules
Macromolecules (5 distinct):
Ig-like domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 276 amino acids
Theoretical weight: 31.95 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: A0A5B8RNS7 (Residues: 25-300; Coverage: 88%)
Gene name: HLA-A
Sequence domains:
Beta-2-microglobulin Chain: B
Molecule details ›
Chain: B
Length: 100 amino acids
Theoretical weight: 11.88 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
Melanoma antigen recognized by T-cells 1 Chain: C
Molecule details ›
Chain: C
Length: 10 amino acids
Theoretical weight: 943 Da
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: Q16655 (Residues: 26-35; Coverage: 9%)
Gene names: MART1, MLANA
Alpha chain of engineered high affinity T-cell receptor Chain: D
Molecule details ›
Chain: D
Length: 197 amino acids
Theoretical weight: 21.89 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
Beta chain of high affinity engineered T-cell receptor Chain: E
Molecule details ›
Chain: E
Length: 244 amino acids
Theoretical weight: 27.39 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli

Ligands and Environments

4 bound ligands:
Ligand GOL 5 x GOL
Ligand EDO 7 x EDO
Ligand SO4 5 x SO4
Ligand TAM 3 x TAM
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I02
Spacegroup: P43
Unit cell:
a: 121.49Å b: 121.49Å c: 82.68Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.174 0.172 0.209
Expression systems:
  • Escherichia coli
  • Not provided

Quick links

Citations

1 review citation

Engineering soluble T-cell receptors for therapy.
Robinson et al. (2021)
5 other articles

1 mention without citation

Molecular Rules Underpinning Enhanced Affinity Binding of Human T Cell Receptors Engineered for Immunotherapy.
Crean et al. (2020)