Structure analysis

CRYSTAL STRUCTURE OF A COMPLEX OF A HUMAN ALPHA/BETA-T CELL RECEPTOR, INFLUENZA HA ANTIGEN PEPTIDE, AND MHC CLASS II MOLECULE, HLA-DR1

X-ray diffraction
2.6Å resolution
Source organisms:
Assembly composition:
hetero pentamer (preferred)
Entry contents: 5 distinct polypeptide molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero pentamer
Accessible surface area: 36284.77 Å2
Buried surface area: 14215.64 Å2
Dissociation area: 1,228.36 Å2
Dissociation energy (ΔGdiss): -0.57 kcal/mol
Dissociation entropy (TΔSdiss): 13.9 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-134724

Macromolecules

Chain: C
Length: 13 amino acids
Theoretical weight: 1.51 KDa
Source organism: H3N2 subtype
Expression system: Escherichia coli
UniProt:
  • Canonical: P03437 (Residues: 322-334; Coverage: 2%)
Gene name: HA

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Chain: E
Length: 245 amino acids
Theoretical weight: 27.94 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P01850 (Residues: 1-133; Coverage: 76%)
Gene name: TRBC1
Pfam: Immunoglobulin C1-set domain
InterPro:
CATH: Immunoglobulins
SCOP:

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