4hu7

E. coli thioredoxin variant with Pro76 as single proline residue

Method: X-RAY DIFFRACTION Dmax: 60.9 Å Quality: GOOD

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

Thioredoxin-1

Escherichia coli

UniProt P0AA25

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 2–109 Mutation:P34A, P40A, P64A, P68A CU COPPER (II) ION × 1 NA SODIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 4.5;277.15 K;20 mM acetic acid-NaOH, 2 mM CuCl2, 35 % (v/v) MPD , pH 4.5, VAPOR DIFFUSION, SITTING DROP, temperature 277.15K Resolution 1.40 Å R-free 0.198
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 2–109 Mutation:P34A, P40A, P64A, P68A CU COPPER (II) ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 4.5;277.15 K;20 mM acetic acid-NaOH, 2 mM CuCl2, 35 % (v/v) MPD , pH 4.5, VAPOR DIFFUSION, SITTING DROP, temperature 277.15K Resolution 1.40 Å R-free 0.198
3 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 2–109 Chain B; UniProt 2–109 Mutation:P34A, P40A, P64A, P68A CU COPPER (II) ION × 2 NA SODIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 4.5;277.15 K;20 mM acetic acid-NaOH, 2 mM CuCl2, 35 % (v/v) MPD , pH 4.5, VAPOR DIFFUSION, SITTING DROP, temperature 277.15K Resolution 1.40 Å R-free 0.198

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.

52 other PDB entries and 98 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name THIO_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–108; UniProt 2–109 Author chain B; PDBConstruct 1–108; UniProt 2–109

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 4hu7

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4hu7
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4hu7
Deposition date deposition_date2012-11-02
Structure title titleE. coli thioredoxin variant with Pro76 as single proline residue
Keywords keywordscisproline, Thioredoxin fold, protein disulfide oxidoreductase activity, oxidoreductase; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier19.14
Radius of gyration Rg (electron density) rg_electron17.72
Forward intensity I(0) i08922810.00
Molecular weight molecular_weight22776.0 kDa
Excluded volume excluded_volume28825 ų
Envelope volume envelope_volume33499 ų
Hydration-shell volume shell_volume16252 ų
Envelope diameter envelope_diameter58.7
Shell Rg shell_rg23.17
Envelope Rg envelope_rg17.69
Shape Rg shape_rg17.68
Total Rg total_rg18.76
Total atoms total_atoms1596
Residues n_residues211
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 dmax60.9
Rg (real space) rg_real19.06
Rg uncertainty (real space) rg_real_error0.45
I(0) (real space) i0_real8.9230e+06
I(0) uncertainty (real space) i0_real_error1.0010e+05
Rg (reciprocal space) rg_reciprocal19.08
I(0) (reciprocal space) i0_reciprocal8923000.0000
Solution quality estimate total_estimate0.8174
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary23.7
Skewness Skewness skewness0.203
Kurtosis Kurtosis kurtosis-0.504
Angular range angular_range— – 0.4150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1521000.0000
Real-space data points n_real_points73
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.875; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd4hu7a_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.47 — Thioredoxin fold
Superfamily Superfamily superfamilyc.47.1 — Thioredoxin-like
Family Family familyc.47.1.1 — Thioltransferase
Domain ID domain_idd4hu7b_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.47 — Thioredoxin fold
Superfamily Superfamily superfamilyc.47.1 — Thioredoxin-like
Family Family familyc.47.1.1 — Thioltransferase

CATH v4.4 (2 domains)

Domain ID domain_id4hu7A00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology30 — Glutaredoxin
Homologous superfamily homologous superfamily10 — Glutaredoxin
Domain ID domain_id4hu7B00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology30 — Glutaredoxin
Homologous superfamily homologous superfamily10 — Glutaredoxin

8. Citations (1)

9. Files and Curves (10)