4a7g

Structure of human I113T SOD1 mutant complexed with 4-methylpiperazin- 1-yl)quinazoline in the p21 space group.

Method: X-RAY DIFFRACTION Dmax: 69.1 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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 2–154 Chain F; UniProt 2–154 Mutation:YES SO4 SULFATE ION × 5 12I 4-(4-METHYLPIPERAZIN-1-YL)QUINAZOLINE × 3 CU COPPER (II) ION × 2 ZN ZINC ION × 2 ACT ACETATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 5;100MM SODIUM ACETATE PH 5, 150 MM SODIUM CHLORIDE, 2.5 M AMMONIUM SULPHATE Resolution 1.24 Å R-free 0.175

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 375 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SODC_HUMAN
Isoform
PDB entities 1, 2
Chains and sequence ranges Author chain A; PDBConstruct 1–153; UniProt 2–154 Author chain F; 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 4a7g

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4a7g
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4a7g
Deposition date deposition_date2011-11-14
Structure title titleStructure of human I113T SOD1 mutant complexed with 4-methylpiperazin- 1-yl)quinazoline in the p21 space group.
Keywords keywordsOXIDOREDUCTASE, AMYOTROPHIC LATERAL SCLEROSIS, ANTIOXIDANT, DISEASE MUTATION, METAL-BINDING, ZN SUPEROXIDE DISMUTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier20.92
Radius of gyration Rg (electron density) rg_electron19.99
Forward intensity I(0) i022719200.00
Molecular weight molecular_weight33043.0 kDa
Excluded volume excluded_volume39990 ų
Envelope volume envelope_volume47556 ų
Hydration-shell volume shell_volume20112 ų
Envelope diameter envelope_diameter72.3
Shell Rg shell_rg26.21
Envelope Rg envelope_rg20.29
Shape Rg shape_rg20.00
Total Rg total_rg20.76
Total atoms total_atoms2301
Residues n_residues306
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 dmax69.1
Rg (real space) rg_real20.91
Rg uncertainty (real space) rg_real_error0.45
I(0) (real space) i0_real2.2720e+07
I(0) uncertainty (real space) i0_real_error3.0110e+05
Rg (reciprocal space) rg_reciprocal20.91
I(0) (reciprocal space) i0_reciprocal22720000.0000
Solution quality estimate total_estimate0.8139
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.0
Skewness Skewness skewness0.326
Kurtosis Kurtosis kurtosis-0.364
Angular range angular_range— – 0.3800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2491000.0000
Real-space data points n_real_points70
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.863; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.988; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd4a7ga_
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.8 — Cu,Zn superoxide dismutase-like
Family Family familyb.1.8.1 — Cu,Zn superoxide dismutase-like
Domain ID domain_idd4a7gf_
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.8 — Cu,Zn superoxide dismutase-like
Family Family familyb.1.8.1 — Cu,Zn superoxide dismutase-like

CATH v4.4 (2 domains)

Domain ID domain_id4a7gA00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily200 — Superoxide dismutase, copper/zinc binding domain
Domain ID domain_id4a7gF00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily200 — Superoxide dismutase, copper/zinc binding domain

8. Citations (1)

9. Files and Curves (10)