5daf

Crystal Structure of Human KEAP1 BTB Domain in Complex with Small Molecule TX64063

Method: X-RAY DIFFRACTION Dmax: 71.1 Å Quality: REASONABLE

1. Protein Identity and Related Structures Protein Identity & Related Structures

Kelch-like ECH-associated protein 1

Homo sapiens

UniProt Q14145

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 49–182 Fragment:UNP residues 49-182 58E (5aS,6S,9aS)-7-hydroxy-2,6,9a-trimethyl-3-(pyridin-3-yl)-4,5,5a,6,9,9a-hexahydro-2H-benzo[g]indazole-8-carbonitrile × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;0.1 M CHES, pH 9.5, 30% w/v PEG 3000 Resolution 2.37 Å R-free 0.233

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

119 other PDB entries and 194 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name KEAP1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 7–140; UniProt 49–182

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 5daf

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5daf
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5daf
Deposition date deposition_date2015-08-19
Structure title titleCrystal Structure of Human KEAP1 BTB Domain in Complex with Small Molecule TX64063
Keywords keywordsKEAP1, Trascription Regulation, BTB domain, Cysteine Modification, C1-(R)-Cys151 adduct, TRANSCRIPTION; TRANSCRIPTION
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier16.97
Radius of gyration Rg (electron density) rg_electron16.09
Forward intensity I(0) i03664530.00
Molecular weight molecular_weight13827.0 kDa
Excluded volume excluded_volume17442 ų
Envelope volume envelope_volume21257 ų
Hydration-shell volume shell_volume12000 ų
Envelope diameter envelope_diameter70.7
Shell Rg shell_rg20.98
Envelope Rg envelope_rg17.17
Shape Rg shape_rg16.13
Total Rg total_rg16.99
Total atoms total_atoms967
Residues n_residues121
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax71.1
Rg (real space) rg_real17.07
Rg uncertainty (real space) rg_real_error0.74
I(0) (real space) i0_real3.6650e+06
I(0) uncertainty (real space) i0_real_error5.1570e+04
Rg (reciprocal space) rg_reciprocal17.06
I(0) (reciprocal space) i0_reciprocal3665000.0000
Solution quality estimate total_estimate0.7295
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary19.6
Skewness Skewness skewness0.640
Kurtosis Kurtosis kurtosis0.670
Angular range angular_range— – 0.4700 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha622100.0000
Real-space data points n_real_points77
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.334; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.484; Smooth: 0.994

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd5dafa_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.42 — POZ domain
Superfamily Superfamily superfamilyd.42.1 — POZ domain
Family Family familyd.42.1.0 — automated matches

CATH v4.4 (1 domains)

Domain ID domain_id5dafA00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology710 — Potassium Channel Kv1.1; Chain A
Homologous superfamily homologous superfamily10 — Potassium Channel Kv1.1; Chain A

8. Citations (1)

9. Files and Curves (10)