Structure analysis

HLA-DR1 in complex with a synthetic peptide (AAYSDQATPLLLSPR) and the superantigen SEC3-3B2

X-ray diffraction
2.5Å resolution
Assembly composition:
hetero tetramer (preferred)
Entry contents: 4 distinct polypeptide molecules


Assembly 1 (preferred)
Multimeric state: hetero tetramer
Accessible surface area: 28100 Å2
Buried surface area: 8300 Å2
Dissociation area: 600 Å2
Dissociation energy (ΔGdiss): -2 kcal/mol
Dissociation entropy (TΔSdiss): 13 kcal/mol
Interface energy (ΔGint): -45 kcal/mol
Symmetry number: 1


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Chain: C
Length: 15 amino acids
Theoretical weight: 1.6 KDa
Source organism: Saccharomyces cerevisiae S288C
Expression system: Not provided
  • Canonical: P27705 (Residues: 455-462; Coverage: 2%)
Gene names: CAT4, MIG1, SSN1, YGL035C

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