4l7d

Structure of keap1 kelch domain with (1S,2R)-2-{[(1S)-5-methyl-1-[(1-oxo-1,3-dihydro-2H-isoindol-2-yl)methyl]-3,4-dihydroisoquinolin-2(1H)-yl]carbonyl}cyclohexanecarboxylic acid

Method: X-RAY DIFFRACTION Dmax: 96.1 Å Quality: EXCELLENT

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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 321–609 Chain B; UniProt 321–609 Chain C; UniProt 321–609 Fragment:KELCH DOMAIN, UNP residues 321-609 Mutation:R354D 1VX (1S,2R)-2-{[(1S)-5-methyl-1-[(1-oxo-1,3-dihydro-2H-isoindol-2-yl)methyl]-3,4-dihydroisoquinolin-2(1H)-yl]carbonyl}cyclohexanecarboxylic acid × 3 ACT ACETATE ION × 10 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.6;296 K;1 ul of protein at 12 mg/ml in 20 mM Tris-HCl pH 7.5, 5 mM DTT, 5 mM compound 1 + 2 ul of 2.15 M Sodium Acetate , VAPOR DIFFUSION, HANGING DROP, temperature 296K Resolution 2.25 Å R-free 0.276

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 4–292; UniProt 321–609 Author chain B; PDBConstruct 4–292; UniProt 321–609 Author chain C; PDBConstruct 4–292; UniProt 321–609

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 4l7d

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4l7d
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4l7d
Deposition date deposition_date2013-06-13
Structure title titleStructure of keap1 kelch domain with (1S,2R)-2-{[(1S)-5-methyl-1-[(1-oxo-1,3-dihydro-2H-isoindol-2-yl)methyl]-3,4-dihydroisoquinolin-2(1H)-yl]carbonyl}cyclohexanecarboxylic acid
Keywords keywords;STRESS SENSOR, KELCH DOMAIN, KELCH REPEAT MOTIF, BETA-PROPELLER, NRF2, PROTEIN-SMALL MOLECULE COMPLEX, TRANSCRIPTION-INHIBITOR complex ;; TRANSCRIPTION/INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier31.00
Radius of gyration Rg (electron density) rg_electron30.29
Forward intensity I(0) i0158802000.00
Molecular weight molecular_weight95891.0 kDa
Excluded volume excluded_volume117930 ų
Envelope volume envelope_volume144570 ų
Hydration-shell volume shell_volume38702 ų
Envelope diameter envelope_diameter99.3
Shell Rg shell_rg38.20
Envelope Rg envelope_rg30.28
Shape Rg shape_rg30.28
Total Rg total_rg30.96
Total atoms total_atoms6743
Residues n_residues858
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 dmax96.1
Rg (real space) rg_real30.88
Rg uncertainty (real space) rg_real_error0.57
I(0) (real space) i0_real1.5880e+08
I(0) uncertainty (real space) i0_real_error2.3180e+06
Rg (reciprocal space) rg_reciprocal30.94
I(0) (reciprocal space) i0_reciprocal158800000.0000
Solution quality estimate total_estimate0.9074
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary33.9
Skewness Skewness skewness0.158
Kurtosis Kurtosis kurtosis-0.671
Angular range angular_range— – 0.2550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha44070000.0000
Real-space data points n_real_points52
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.949; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.947

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 9 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd4l7da1
Class classb — All beta proteins
Fold Fold foldb.68 — 6-bladed beta-propeller
Superfamily Superfamily superfamilyb.68.11 — Kelch motif
Family Family familyb.68.11.1 — Kelch motif
Domain ID domain_idd4l7da2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd4l7db1
Class classb — All beta proteins
Fold Fold foldb.68 — 6-bladed beta-propeller
Superfamily Superfamily superfamilyb.68.11 — Kelch motif
Family Family familyb.68.11.1 — Kelch motif
Domain ID domain_idd4l7db2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd4l7dc1
Class classb — All beta proteins
Fold Fold foldb.68 — 6-bladed beta-propeller
Superfamily Superfamily superfamilyb.68.11 — Kelch motif
Family Family familyb.68.11.1 — Kelch motif
Domain ID domain_idd4l7dc2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (3 domains)

Domain ID domain_id4l7dA00
Class class2 — Mainly Beta
Architecture architecture120 — 6 Propeller
Topology topology10 — Neuraminidase
Homologous superfamily homologous superfamily80 — Kelch-type beta propeller
Domain ID domain_id4l7dB00
Class class2 — Mainly Beta
Architecture architecture120 — 6 Propeller
Topology topology10 — Neuraminidase
Homologous superfamily homologous superfamily80 — Kelch-type beta propeller
Domain ID domain_id4l7dC00
Class class2 — Mainly Beta
Architecture architecture120 — 6 Propeller
Topology topology10 — Neuraminidase
Homologous superfamily homologous superfamily80 — Kelch-type beta propeller

8. Citations (1)

9. Files and Curves (10)