9prf

Crystal structure of E.coli DsbA in-complex with analogue 6

Method: X-RAY DIFFRACTION Dmax: 87.9 Å Quality: GOOD

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

Thiol:disulfide interchange protein DsbA

Escherichia coli

UniProt P0AEG4

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 20–207 Not recorded A1CQW N-[3-(3-{[(2S)-2-hydroxybutyl]amino}-3-oxoprop-1-yn-1-yl)phenyl]-5-methyl-1,2-oxazole-3-carboxamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;293 K;11-13% PEG 8000, 5-7.5% glycerol, 1 mM CuCl2, 100 mM sodium cacodylate pH 6.1 Resolution 1.61 Å R-free 0.215
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 20–207 Not recorded A1CQW N-[3-(3-{[(2S)-2-hydroxybutyl]amino}-3-oxoprop-1-yn-1-yl)phenyl]-5-methyl-1,2-oxazole-3-carboxamide × 1 A1CJJ N-[3-(3-{[(2R)-2-hydroxybutyl]amino}-3-oxoprop-1-yn-1-yl)phenyl]-5-methyl-1,2-oxazole-3-carboxamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;293 K;11-13% PEG 8000, 5-7.5% glycerol, 1 mM CuCl2, 100 mM sodium cacodylate pH 6.1 Resolution 1.61 Å R-free 0.215

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.

75 other PDB entries and 151 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name DSBA_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–188; UniProt 20–207 Author chain B; PDBConstruct 1–188; UniProt 20–207

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 9prf

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9prf
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9prf
Deposition date deposition_date2025-07-24
Structure title titleCrystal structure of E.coli DsbA in-complex with analogue 6
Keywords keywordsOxidoreductase, Oxidoreductase inhibitor; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier25.50
Radius of gyration Rg (electron density) rg_electron25.04
Forward intensity I(0) i053032100.00
Molecular weight molecular_weight38556.0 kDa
Excluded volume excluded_volume37594 ų
Envelope volume envelope_volume62400 ų
Hydration-shell volume shell_volume22064 ų
Envelope diameter envelope_diameter90.1
Shell Rg shell_rg30.44
Envelope Rg envelope_rg25.08
Shape Rg shape_rg25.03
Total Rg total_rg25.54
Total atoms total_atoms2920
Residues n_residues372
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 dmax87.9
Rg (real space) rg_real25.66
Rg uncertainty (real space) rg_real_error0.68
I(0) (real space) i0_real5.3030e+07
I(0) uncertainty (real space) i0_real_error7.5730e+05
Rg (reciprocal space) rg_reciprocal25.61
I(0) (reciprocal space) i0_reciprocal53030000.0000
Solution quality estimate total_estimate0.8516
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary86.5
Skewness Skewness skewness0.494
Kurtosis Kurtosis kurtosis-0.289
Angular range angular_range— – 0.3100 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha15570000.0000
Real-space data points n_real_points63
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.784; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.807; Smooth: 0.907

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)