3zgc

crystal structure of the KEAP1-NEH2 complex

Method: X-RAY DIFFRACTION Dmax: 83.6 Å Quality: GOOD

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 321–609 Fragment:KELCH DOMAIN OF HUMAN KEAP1, RESIDUES 321-609 Mutation:YES NUCLEAR FACTOR ERYTHROID 2-RELATED FACTOR 2 × 1 (Q16236) ACT ACETATE ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions:pH 5;4.0 M AMMONIUM ACETATE, 0.1 M SODIUM ACETATE TRIHYDRATE PH 4.6 Resolution 2.20 Å R-free 0.188
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 321–609 Fragment:KELCH DOMAIN OF HUMAN KEAP1, RESIDUES 321-609 Mutation:YES ACT ACETATE ION × 6 X-RAY DIFFRACTION X-ray crystallization conditions:pH 5;4.0 M AMMONIUM ACETATE, 0.1 M SODIUM ACETATE TRIHYDRATE PH 4.6 Resolution 2.20 Å R-free 0.188

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 193 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 22–310; UniProt 321–609 Author chain B; PDBConstruct 22–310; UniProt 321–609

NUCLEAR FACTOR ERYTHROID 2-RELATED FACTOR 2

OrganismNot specified

UniProt Q16236

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 76–82 Fragment:RESIDUES 76-82 KELCH-LIKE ECH-ASSOCIATED PROTEIN 1 × 1 (Q14145) ACT ACETATE ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions:pH 5;4.0 M AMMONIUM ACETATE, 0.1 M SODIUM ACETATE TRIHYDRATE PH 4.6 Resolution 2.20 Å R-free 0.188

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.

10 other PDB entries and 13 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NF2L2_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain C; PDBConstruct 1–7; UniProt 76–82

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 3zgc

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3zgc
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3zgc
Deposition date deposition_date2012-12-17
Structure title titlecrystal structure of the KEAP1-NEH2 complex
Keywords keywordsTRANSCRIPTION, PROTEIN-PEPTIDE COMPLEX; TRANSCRIPTION
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier26.95
Radius of gyration Rg (electron density) rg_electron26.47
Forward intensity I(0) i074003900.00
Molecular weight molecular_weight63517.0 kDa
Excluded volume excluded_volume77849 ų
Envelope volume envelope_volume92584 ų
Hydration-shell volume shell_volume29402 ų
Envelope diameter envelope_diameter86.5
Shell Rg shell_rg33.56
Envelope Rg envelope_rg26.55
Shape Rg shape_rg26.45
Total Rg total_rg27.25
Total atoms total_atoms4462
Residues n_residues577
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 dmax83.6
Rg (real space) rg_real26.99
Rg uncertainty (real space) rg_real_error0.54
I(0) (real space) i0_real7.4000e+07
I(0) uncertainty (real space) i0_real_error1.0480e+06
Rg (reciprocal space) rg_reciprocal26.98
I(0) (reciprocal space) i0_reciprocal74000000.0000
Solution quality estimate total_estimate0.8885
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary29.8
Skewness Skewness skewness0.382
Kurtosis Kurtosis kurtosis-0.477
Angular range angular_range— – 0.2950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha15750000.0000
Real-space data points n_real_points60
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.914; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.982; Smooth: 0.822

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id3zgcA00
Class class2 — Mainly Beta
Architecture architecture120 — 6 Propeller
Topology topology10 — Neuraminidase
Homologous superfamily homologous superfamily80 — Kelch-type beta propeller
Domain ID domain_id3zgcB00
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)