› 7k2a

X-ray diffraction
1.9Å resolution

Kelch domain of human KEAP1 bound to Nrf2 peptide, LDEETGEFA

Released:
DOI: 10.2210/pdb7k2a/pdb
PDB entry 7k2a coloured by chain, front view.
PDB entry 7k2a coloured by chain, side view.
PDB entry 7k2a 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:
hetero dimer (preferred)
monomeric
Assembly name:
PDBe Complex ID:
PDB-CPX-171935 (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: 33.01 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
Nuclear factor erythroid 2-related factor 2 Chain: P
Molecule details ›
Chain: P
Length: 11 amino acids
Theoretical weight: 1.03 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: Q16236 (Residues: 76-83; Coverage: 1%)
Gene names: NFE2L2, NRF2

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS-II BEAMLINE 17-ID-1
Spacegroup: C2
Unit cell:
a: 162.078Å b: 68.972Å c: 78.259Å
α: 90° β: 117.81° γ: 90°
R-values:
R R work R free
0.211 0.21 0.244
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)
9 other articles

1 mention without citation

Blood-supplementing effect of low molecular weight peptides of E-Jiao on chemotherapy-induced myelosuppression: evaluation of pharmacological activity and identification of bioactive peptides released in vivo.
Zhang et al. (2024)