8EJS | pdb_00008ejs

Kelch domain of human KEAP1 bound to Nrf2 linear peptide, Ac-(BAla)DPETGE-NH2

PDB DOI: https://doi.org/10.2210/pdb8EJS/pdb

Classification: PROTEIN BINDING
Organism(s): Homo sapiens
Expression System: Escherichia coli
Mutation(s): Yes

Deposited: 2022-09-18 Released: 2023-09-27
Deposition Author(s): Muellers, S.N., Allen, K.N.
Funding Organization(s): Not funded

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.82 Å
R-Value Free:
0.266 (Depositor), 0.268 (DCC)
R-Value Work:
0.217 (Depositor), 0.216 (DCC)
R-Value Observed:
0.219 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

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This is version 1.2 of the entry. See complete history.

Literature

The benefit of cyclization: a comparison of cyclic and linear peptide inhibitors of the KEAP1/Nrf2 protein-protein interaction

Muellers, S.N., Allen, K.N., Whitty, A.

To be published.

Macromolecule Content

Total Structure Weight: 74.51 kDa
Atom Count: 4,518
Modeled Residue Count: 574
Deposited Residue Count: 680
Unique protein chains: 2

Macromolecules

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Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Kelch-like ECH-associated protein 1	A, B	336	Homo sapiens	Mutation(s): 3 Gene Names: KEAP1, INRF2, KIAA0132, KLHL19
UniProt & NIH Common Fund Data Resources
Find proteins for Q14145 (Homo sapiens) Explore Q14145 Go to UniProtKB: Q14145
PHAROS: Q14145 GTEx: ENSG00000079999
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q14145
Sequence Annotations Expand
Reference Sequence

Find similar proteins by: Sequence | 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Peptide from Nuclear factor erythroid 2-related factor 2	C	8	Homo sapiens	Mutation(s): 3
UniProt & NIH Common Fund Data Resources
Find proteins for Q16236 (Homo sapiens) Explore Q16236 Go to UniProtKB: Q16236
PHAROS: Q16236 GTEx: ENSG00000116044
Entity Groups
UniProt Group	Q16236
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.82 Å
R-Value Free: 0.266 (Depositor), 0.268 (DCC)
R-Value Work: 0.217 (Depositor), 0.216 (DCC)
R-Value Observed: 0.219 (Depositor)

Space Group: I 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 77.69	α = 90
b = 68.908	β = 90.851
c = 144.092	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling
PHENIX	phasing

Structure Validation

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Entry History

& Funding Information

Deposition Data

Released Date: 2023-09-27

Deposition Author(s):

Funding Organization	Location	Grant Number
Not funded		--

Revision History (Full details and data files)

Version 1.0: 2023-09-27
Type: Initial release
Version 1.1: 2024-11-20
Changes: Structure summary
Version 1.2: 2026-03-04
Changes: Refinement description

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.