1zlz

Re-Evaluation of the Low-Temperature Azide in Mn-Dependent Superoxide Dismutase

Method: X-RAY DIFFRACTION Dmax: 77.8 Å Quality: GOOD

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

Superoxide dismutase

Escherichia coli

UniProt P00448

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 1–205 Chain B; UniProt 1–205 Mutation:Y174F AZI AZIDE ION × 2 MH2 MANGANESE ION, 1 HYDROXYL COORDINATED × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;298 K;PEG 6000, MPD, TRIS buffer, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K Resolution 1.55 Å R-free 0.222

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.

12 other PDB entries and 20 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SODM_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–205; UniProt 1–205 Author chain B; PDBConstruct 1–205; UniProt 1–205

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 1zlz

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1zlz
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id1zlz
Deposition date deposition_date2005-05-09
Structure title titleRe-Evaluation of the Low-Temperature Azide in Mn-Dependent Superoxide Dismutase
Keywords keywordsAzide derivative, manganese superoxide dismutase, localized mixed-valent dimer, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier22.95
Radius of gyration Rg (electron density) rg_electron22.24
Forward intensity I(0) i035345700.00
Molecular weight molecular_weight46124.0 kDa
Excluded volume excluded_volume57735 ų
Envelope volume envelope_volume66661 ų
Hydration-shell volume shell_volume24802 ų
Envelope diameter envelope_diameter76.9
Shell Rg shell_rg29.25
Envelope Rg envelope_rg22.47
Shape Rg shape_rg22.20
Total Rg total_rg23.19
Total atoms total_atoms3264
Residues n_residues410
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 dmax77.8
Rg (real space) rg_real22.90
Rg uncertainty (real space) rg_real_error0.50
I(0) (real space) i0_real3.5350e+07
I(0) uncertainty (real space) i0_real_error5.3550e+05
Rg (reciprocal space) rg_reciprocal22.91
I(0) (reciprocal space) i0_reciprocal35350000.0000
Solution quality estimate total_estimate0.8770
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary26.3
Skewness Skewness skewness0.308
Kurtosis Kurtosis kurtosis-0.291
Angular range angular_range— – 0.3450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha11940000.0000
Real-space data points n_real_points66
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.808; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.994; Smooth: 0.978

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd1zlza1
Class classa — All alpha proteins
Fold Fold folda.2 — Long alpha-hairpin
Superfamily Superfamily superfamilya.2.11 — Fe,Mn superoxide dismutase (SOD), N-terminal domain
Family Family familya.2.11.1 — Fe,Mn superoxide dismutase (SOD), N-terminal domain
Domain ID domain_idd1zlza2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.44 — Fe,Mn superoxide dismutase (SOD), C-terminal domain
Superfamily Superfamily superfamilyd.44.1 — Fe,Mn superoxide dismutase (SOD), C-terminal domain
Family Family familyd.44.1.1 — Fe,Mn superoxide dismutase (SOD), C-terminal domain
Domain ID domain_idd1zlzb1
Class classa — All alpha proteins
Fold Fold folda.2 — Long alpha-hairpin
Superfamily Superfamily superfamilya.2.11 — Fe,Mn superoxide dismutase (SOD), N-terminal domain
Family Family familya.2.11.1 — Fe,Mn superoxide dismutase (SOD), N-terminal domain
Domain ID domain_idd1zlzb2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.44 — Fe,Mn superoxide dismutase (SOD), C-terminal domain
Superfamily Superfamily superfamilyd.44.1 — Fe,Mn superoxide dismutase (SOD), C-terminal domain
Family Family familyd.44.1.1 — Fe,Mn superoxide dismutase (SOD), C-terminal domain

CATH v4.4 (4 domains)

Domain ID domain_id1zlzA01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily990 — Fe,Mn superoxide dismutase (SOD) domain
Domain ID domain_id1zlzA02
Class class3 — Alpha Beta
Architecture architecture55 — 3-Layer(bab) Sandwich
Topology topology40 — minor pseudopilin epsh fold
Homologous superfamily homologous superfamily20 — Iron/manganese superoxide dismutase, C-terminal domain
Domain ID domain_id1zlzB01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily990 — Fe,Mn superoxide dismutase (SOD) domain
Domain ID domain_id1zlzB02
Class class3 — Alpha Beta
Architecture architecture55 — 3-Layer(bab) Sandwich
Topology topology40 — minor pseudopilin epsh fold
Homologous superfamily homologous superfamily20 — Iron/manganese superoxide dismutase, C-terminal domain

8. Citations (1)

9. Files and Curves (10)