5nlb

X-ray diffraction
3.45Å resolution

Crystal structure of human CUL3 N-terminal domain bound to KEAP1 BTB and 3-box

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-171783 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Kelch-like ECH-associated protein 1 Chain: A
Molecule details ›
Chain: A
Length: 154 amino acids
Theoretical weight: 17.15 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q14145 (Residues: 51-204; Coverage: 25%)
Gene names: INRF2, KEAP1, KIAA0132, KLHL19
Sequence domains: BTB/POZ domain
Cullin-3 Chain: B
Molecule details ›
Chain: B
Length: 356 amino acids
Theoretical weight: 41.75 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q13618 (Residues: 26-381; Coverage: 46%)
Gene names: CUL3, KIAA0617
Sequence domains: Cullin family
Structure domains: Cullin Repeats

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I03
Spacegroup: C2221
Unit cell:
a: 41Å b: 233.38Å c: 164.71Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.241 0.238 0.288
Expression system: Escherichia coli