2oj1

Disulfide-linked dimer of azurin N42C/M64E double mutant

Method: X-RAY DIFFRACTION Dmax: 80.1 Å Quality: GOOD

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

Azurin

Pseudomonas aeruginosa

UniProt P00282

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 21–148 Mutation:N42C, M64E CU COPPER (II) ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 3.1;293 K;30 % PEG 4000, 0.1M sodium citrate buffer, pH 3.1, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.30 Å R-free 0.281
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 21–148 Mutation:N42C, M64E CU COPPER (II) ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 3.1;293 K;30 % PEG 4000, 0.1M sodium citrate buffer, pH 3.1, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.30 Å R-free 0.281

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.

110 other PDB entries and 269 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name AZUR_PSEAE
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–128; UniProt 21–148 Author chain B; PDBConstruct 1–128; UniProt 21–148

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 2oj1

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2oj1
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2oj1
Deposition date deposition_date2007-01-12
Structure title titleDisulfide-linked dimer of azurin N42C/M64E double mutant
Keywords keywordscupredoxin, electron transfer, engineered dimer, ELECTRON TRANSPORT; ELECTRON TRANSPORT
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier21.68
Radius of gyration Rg (electron density) rg_electron21.44
Forward intensity I(0) i014910500.00
Molecular weight molecular_weight27985.0 kDa
Excluded volume excluded_volume34536 ų
Envelope volume envelope_volume40757 ų
Hydration-shell volume shell_volume17142 ų
Envelope diameter envelope_diameter80.6
Shell Rg shell_rg26.56
Envelope Rg envelope_rg21.99
Shape Rg shape_rg21.40
Total Rg total_rg22.24
Total atoms total_atoms1948
Residues n_residues256
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 dmax80.1
Rg (real space) rg_real21.94
Rg uncertainty (real space) rg_real_error0.89
I(0) (real space) i0_real1.4910e+07
I(0) uncertainty (real space) i0_real_error2.1510e+05
Rg (reciprocal space) rg_reciprocal21.89
I(0) (reciprocal space) i0_reciprocal14910000.0000
Solution quality estimate total_estimate0.7814
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary21.5
Skewness Skewness skewness0.636
Kurtosis Kurtosis kurtosis-0.009
Angular range angular_range— – 0.3650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2930000.0000
Real-space data points n_real_points68
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.549; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.516; Smooth: 0.993

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd2oj1a_
Class classb — All beta proteins
Fold Fold foldb.6 — Cupredoxin-like
Superfamily Superfamily superfamilyb.6.1 — Cupredoxins
Family Family familyb.6.1.1 — Plastocyanin/azurin-like
Domain ID domain_idd2oj1b_
Class classb — All beta proteins
Fold Fold foldb.6 — Cupredoxin-like
Superfamily Superfamily superfamilyb.6.1 — Cupredoxins
Family Family familyb.6.1.1 — Plastocyanin/azurin-like

CATH v4.4 (2 domains)

Domain ID domain_id2oj1A00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily420 — Cupredoxins - blue copper proteins
Domain ID domain_id2oj1B00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily420 — Cupredoxins - blue copper proteins

8. Citations (1)

9. Files and Curves (10)