8k3l

SOD1 and Nanobody3 complex

Method: X-RAY DIFFRACTION Dmax: 131.9 Å Quality: GOOD

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

Superoxide dismutase [Cu-Zn]

Homo sapiens

UniProt P00441

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 2–154 Not recorded NB3 × 1 CU COPPER (II) ION × 1 ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;293 K;0.2 M Ammonium acetate, 0.1 M Sodium acetate trihydrate pH 4.6, 30% w/v Polyethylene, glycol monomethyl ether 2,000 Resolution 2.30 Å R-free 0.235
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 2–154 Not recorded NB3 × 1 CU COPPER (II) ION × 1 ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;293 K;0.2 M Ammonium acetate, 0.1 M Sodium acetate trihydrate pH 4.6, 30% w/v Polyethylene, glycol monomethyl ether 2,000 Resolution 2.30 Å R-free 0.235
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain E; UniProt 2–154 Not recorded NB3 × 1 CU COPPER (II) ION × 1 ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;293 K;0.2 M Ammonium acetate, 0.1 M Sodium acetate trihydrate pH 4.6, 30% w/v Polyethylene, glycol monomethyl ether 2,000 Resolution 2.30 Å R-free 0.235
4 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain G; UniProt 2–154 Not recorded NB3 × 1 CU COPPER (II) ION × 1 ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;293 K;0.2 M Ammonium acetate, 0.1 M Sodium acetate trihydrate pH 4.6, 30% w/v Polyethylene, glycol monomethyl ether 2,000 Resolution 2.30 Å R-free 0.235

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.

153 other PDB entries and 372 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SODC_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–153; UniProt 2–154 Author chain C; PDBConstruct 1–153; UniProt 2–154 Author chain E; PDBConstruct 1–153; UniProt 2–154 Author chain G; PDBConstruct 1–153; UniProt 2–154

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 8k3l

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8k3l
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8k3l
Deposition date deposition_date2023-07-16
Structure title titleSOD1 and Nanobody3 complex
Keywords keywordsantibody complex, OXIDOREDUCTASE/IMMUNE SYSTEM, OXIDOREDUCTASE-IMMUNE SYSTEM complex; OXIDOREDUCTASE/IMMUNE SYSTEM
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier40.29
Radius of gyration Rg (electron density) rg_electron40.15
Forward intensity I(0) i0230049000.00
Molecular weight molecular_weight116550.0 kDa
Excluded volume excluded_volume142930 ų
Envelope volume envelope_volume198250 ų
Hydration-shell volume shell_volume42418 ų
Envelope diameter envelope_diameter137.9
Shell Rg shell_rg43.96
Envelope Rg envelope_rg39.39
Shape Rg shape_rg40.15
Total Rg total_rg40.34
Total atoms total_atoms8176
Residues n_residues1097
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 dmax131.9
Rg (real space) rg_real40.27
Rg uncertainty (real space) rg_real_error1.50
I(0) (real space) i0_real2.3000e+08
I(0) uncertainty (real space) i0_real_error4.1180e+06
Rg (reciprocal space) rg_reciprocal40.29
I(0) (reciprocal space) i0_reciprocal230100000.0000
Solution quality estimate total_estimate0.8764
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary57.5
Skewness Skewness skewness0.202
Kurtosis Kurtosis kurtosis-0.488
Angular range angular_range— – 0.1950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha11020000.0000
Real-space data points n_real_points40
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.858; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.959; Smooth: 0.857

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

8. Citations (1)

9. Files and Curves (10)