› 7k2h

X-ray diffraction
2.09Å resolution

Kelch domain of human KEAP1 bound to Nrf2 cyclic peptide, c[GDPETGE]

Released:
DOI: 10.2210/pdb7k2h/pdb
PDB entry 7k2h coloured by chain, front view.
PDB entry 7k2h coloured by chain, side view.
PDB entry 7k2h coloured by chain, top view.
Source organism: Homo sapiens
Primary publication:
Recapitulating the Binding Affinity of Nrf2 for KEAP1 in a Cyclic Heptapeptide, Guided by NMR, X-ray Crystallography, and Machine Learning.
Ortet PC, Muellers SN, Viarengo-Baker LA, Streu K, Szymczyna BR, Beeler AB, Allen KN, Whitty A
J Am Chem Soc 143 3779-3793 (2021)
PMID: 33683866

Function and Biology Details

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

Structure analysis Details

Assemblies composition:
monomeric
hetero dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-168332 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Kelch-like ECH-associated protein 1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 301 amino acids
Theoretical weight: 33.12 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q14145 (Residues: 324-624; Coverage: 48%)
Gene names: INRF2, KEAP1, KIAA0132, KLHL19
Sequence domains: Kelch motif
GLY-ASP-PRO-GLU-THR-GLY-GLU Chain: P
Molecule details ›
Chain: P
Length: 7 amino acids
Theoretical weight: 704 Da
Source organism: Homo sapiens
Expression system: Not provided

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-2
Spacegroup: C2
Unit cell:
a: 162.241Å b: 68.597Å c: 77.274Å
α: 90° β: 117.74° γ: 90°
R-values:
R R work R free
0.227 0.225 0.265
Expression systems:
  • Escherichia coli
  • Not provided

Quick links

Citations

1 review citation

Induction of Cardiac Pathology: Endogenous versus Exogenous Nrf2 Upregulation.
Mathis et al. (2022)
5 other articles

2 mentions without citation

A dual Keap1 and p47phox inhibitor Ginsenoside Rb1 ameliorates high glucose/ox-LDL-induced endothelial cell injury and atherosclerosis.
Wang et al. (2022)
1 more