PDBe 4n1b

X-ray diffraction
2.55Å resolution

STRUCTURE OF KEAP1 KELCH DOMAIN WITH(1S,2R)-2-[(1S)-1-[(1-oxo-2,3-dihydro-1H-isoindol-2-Yl)methyl]-1,2,3,4-tetrahydroisoquinoline-2-Carbonyl]cyclohexane-1-carboxylic acid


Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo trimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Kelch-like ECH-associated protein 1 Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 300 amino acids
Theoretical weight: 33.01 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: Q14145 (Residues: 321-611; Coverage: 47%)
Gene names: INRF2, KEAP1, KIAA0132, KLHL19
Sequence domains: Kelch motif
Structure domains: Kelch-type beta propeller

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I24
Unit cell:
a: 76.18Å b: 127.13Å c: 131.11Å
α: 90° β: 90° γ: 90°
R R work R free
0.246 0.244 0.287
Expression system: Escherichia coli