6bqx

Crystal structure of Escherichia coli DsbA in complex with N-methyl-1-(4-phenoxyphenyl)methanamine

Method: X-RAY DIFFRACTION Dmax: 75.4 Å Quality: EXCELLENT

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 20–208 Not recorded 9AG N-methyl-1-(4-phenoxyphenyl)methanamine × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 6.2;293 K;11-13% PEG 8000, 5-7.5% glycerol, 1 mM CuCl2, 100 mM sodium cacodylate Resolution 1.99 Å R-free 0.244
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 20–208 Not recorded No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 6.2;293 K;11-13% PEG 8000, 5-7.5% glycerol, 1 mM CuCl2, 100 mM sodium cacodylate Resolution 1.99 Å R-free 0.244

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 1–189; UniProt 20–208 Author chain B; PDBConstruct 1–189; UniProt 20–208

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 6bqx

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6bqx
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6bqx
Deposition date deposition_date2017-11-29
Structure title titleCrystal structure of Escherichia coli DsbA in complex with N-methyl-1-(4-phenoxyphenyl)methanamine
Keywords keywordsdisulphide catalysts, thiol oxidase, virulence factor foldase, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier23.72
Radius of gyration Rg (electron density) rg_electron22.80
Forward intensity I(0) i029081100.00
Molecular weight molecular_weight42106.0 kDa
Excluded volume excluded_volume52989 ų
Envelope volume envelope_volume65264 ų
Hydration-shell volume shell_volume23900 ų
Envelope diameter envelope_diameter75.2
Shell Rg shell_rg29.49
Envelope Rg envelope_rg22.92
Shape Rg shape_rg22.78
Total Rg total_rg23.70
Total atoms total_atoms2967
Residues n_residues375
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 dmax75.4
Rg (real space) rg_real23.63
Rg uncertainty (real space) rg_real_error0.41
I(0) (real space) i0_real2.9080e+07
I(0) uncertainty (real space) i0_real_error4.3360e+05
Rg (reciprocal space) rg_reciprocal23.66
I(0) (reciprocal space) i0_reciprocal29080000.0000
Solution quality estimate total_estimate0.9072
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary28.3
Skewness Skewness skewness0.187
Kurtosis Kurtosis kurtosis-0.574
Angular range angular_range— – 0.3350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha10800000.0000
Real-space data points n_real_points65
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.932; 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 (3)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd6bqxa_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.47 — Thioredoxin fold
Superfamily Superfamily superfamilyc.47.1 — Thioredoxin-like
Family Family familyc.47.1.13 — DsbA-like
Domain ID domain_idd6bqxb_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.47 — Thioredoxin fold
Superfamily Superfamily superfamilyc.47.1 — Thioredoxin-like
Family Family familyc.47.1.13 — DsbA-like

CATH v4.4 (2 domains)

Domain ID domain_id6bqxA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology30 — Glutaredoxin
Homologous superfamily homologous superfamily10 — Glutaredoxin
Domain ID domain_id6bqxB00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology30 — Glutaredoxin
Homologous superfamily homologous superfamily10 — Glutaredoxin

8. Citations (2)

9. Files and Curves (10)