1oaj

Active site copper and zinc ions modulate the quaternary structure of prokaryotic Cu,Zn superoxide dismutase

Method: X-RAY DIFFRACTION Dmax: 52.2 Å Quality: GOOD

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

SUPEROXIDE DISMUTASE

PHOTOBACTERIUM LEIOGNATHI

UniProt P00446

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 23–173 Mutation:YES ZN ZINC ION × 2 CU COPPER (II) ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 4;301 K;PEG 8,000 25%, NACL 100 MM, SODIUM ACETATE 50 MM, PH 4, TEMPERATURE 28C Resolution 1.73 Å R-free 0.231

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.

8 other PDB entries and 9 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SODC_PHOLE
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–151; UniProt 23–173

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 1oaj

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1oaj
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1oaj
Deposition date deposition_date2003-01-14
Structure title titleActive site copper and zinc ions modulate the quaternary structure of prokaryotic Cu,Zn superoxide dismutase
Keywords keywordsOXIDOREDUCTASE, PROKARIOTIC CU, ZN SUPEROXIDE DISMUTASE, SUBUNIT INTERACTION RECOGNITION, PROTEIN ELECTROSTATIC; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier15.31
Radius of gyration Rg (electron density) rg_electron14.28
Forward intensity I(0) i05381250.00
Molecular weight molecular_weight15886.0 kDa
Excluded volume excluded_volume19537 ų
Envelope volume envelope_volume22078 ų
Hydration-shell volume shell_volume12992 ų
Envelope diameter envelope_diameter51.2
Shell Rg shell_rg20.20
Envelope Rg envelope_rg14.77
Shape Rg shape_rg14.28
Total Rg total_rg15.39
Total atoms total_atoms1110
Residues n_residues151
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 dmax52.2
Rg (real space) rg_real15.21
Rg uncertainty (real space) rg_real_error0.30
I(0) (real space) i0_real5.3810e+06
I(0) uncertainty (real space) i0_real_error5.7160e+04
Rg (reciprocal space) rg_reciprocal15.22
I(0) (reciprocal space) i0_reciprocal5381000.0000
Solution quality estimate total_estimate0.8650
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary20.5
Skewness Skewness skewness0.146
Kurtosis Kurtosis kurtosis-0.301
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha682800.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.750; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.994

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1oaja_
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 (1 domains)

Domain ID domain_id1oajA00
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)