X-ray diffraction
2Å resolution

Crystal structure of the FP domain of Human PI31 Proteasome Inhibitor


Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assemblies composition:
homo tetramer
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Proteasome inhibitor PI31 subunit Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 163 amino acids
Theoretical weight: 18.21 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: Q92530 (Residues: 1-158; Coverage: 58%)
Gene name: PSMF1
Sequence domains: PI31 proteasome regulator N-terminal
Structure domains: Protein Transport Mog1p; Chain A

Ligands and Environments

No bound ligands

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 21-ID-D
Spacegroup: P212121
Unit cell:
a: 58.83Å b: 97.67Å c: 108.22Å
α: 90° β: 90° γ: 90°
R R work R free
0.189 0.186 0.238
Expression system: Escherichia coli