5t6w

X-ray diffraction
1.9Å resolution

HLA-B*57:01 presenting SSTRGISQLW

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-135258 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
HLA class I histocompatibility antigen, B alpha chain Chain: A
Molecule details ›
Chain: A
Length: 276 amino acids
Theoretical weight: 31.74 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P01889 (Residues: 25-300; Coverage: 82%)
Gene names: HLA-B, HLAB
Sequence domains:
Structure domains:
Beta-2-microglobulin Chain: B
Molecule details ›
Chain: B
Length: 99 amino acids
Theoretical weight: 11.75 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P61769 (Residues: 21-119; Coverage: 100%)
Gene names: B2M, CDABP0092, HDCMA22P
Sequence domains: Immunoglobulin C1-set domain
Structure domains: Immunoglobulins
Nuclear envelope pore membrane protein POM 121 Chain: C
Molecule details ›
Chain: C
Length: 10 amino acids
Theoretical weight: 1.14 KDa
Source organism: synthetic construct
Expression system: Not provided
UniProt:
  • Canonical: Q96HA1 (Residues: 418-427; Coverage: 1%)
Gene names: KIAA0618, NUP121, POM121, POM121A

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: AUSTRALIAN SYNCHROTRON BEAMLINE MX2
Spacegroup: P212121
Unit cell:
a: 50.79Å b: 81.18Å c: 109.79Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.214 0.211 0.263
Expression systems:
  • Escherichia coli BL21
  • Not provided