2oct

X-ray diffraction
1.4Å resolution

Stefin B (Cystatin B) tetramer

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-137394 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cystatin-B Chains: A, B
Molecule details ›
Chains: A, B
Length: 98 amino acids
Theoretical weight: 11.16 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P04080 (Residues: 1-98; Coverage: 100%)
Gene names: CST6, CSTB, STFB
Sequence domains: Cystatin domain
Structure domains: Nuclear Transport Factor 2; Chain: A,

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ELETTRA BEAMLINE 5.2R
Spacegroup: C2
Unit cell:
a: 120.123Å b: 30.857Å c: 51.349Å
α: 90° β: 95.81° γ: 90°
R-values:
R R work R free
0.18 0.176 0.189
Expression system: Escherichia coli