4pok

Crystal structures of thioredoxin with mesna at 2.5A resolution

Method: X-RAY DIFFRACTION Dmax: 90.7 Å Quality: GOOD

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

Thioredoxin

Homo sapiens

UniProt P10599

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 1–105 Mutation:E13K, D16K, E95K, E103K COM 1-THIOETHANESULFONIC ACID × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;293 K;20% ethanol, 0.1 M Tris, 60 mg/mL Trx protein, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.52 Å R-free 0.296
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–105 Mutation:E13K, D16K, E95K, E103K No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;293 K;20% ethanol, 0.1 M Tris, 60 mg/mL Trx protein, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.52 Å R-free 0.296
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 1–105 Mutation:E13K, D16K, E95K, E103K No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;293 K;20% ethanol, 0.1 M Tris, 60 mg/mL Trx protein, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.52 Å R-free 0.296
4 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain D; UniProt 1–105 Mutation:E13K, D16K, E95K, E103K No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;293 K;20% ethanol, 0.1 M Tris, 60 mg/mL Trx protein, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.52 Å R-free 0.296
5 Protein homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 1–105 Chain B; UniProt 1–105 Chain C; UniProt 1–105 Chain D; UniProt 1–105 Mutation:E13K, D16K, E95K, E103K COM 1-THIOETHANESULFONIC ACID × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;293 K;20% ethanol, 0.1 M Tris, 60 mg/mL Trx protein, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.52 Å R-free 0.296
6 Protein homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 1–105 Chain B; UniProt 1–105 Chain C; UniProt 1–105 Chain D; UniProt 1–105 Mutation:E13K, D16K, E95K, E103K COM 1-THIOETHANESULFONIC ACID × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;293 K;20% ethanol, 0.1 M Tris, 60 mg/mL Trx protein, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.52 Å R-free 0.296

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.

34 other PDB entries and 54 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name THIO_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 5–109; UniProt 1–105 Author chain B; PDBConstruct 5–109; UniProt 1–105 Author chain C; PDBConstruct 5–109; UniProt 1–105 Author chain D; PDBConstruct 5–109; UniProt 1–105

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 4pok

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id4pok
Deposition date deposition_date2014-02-25
Structure title titleCrystal structures of thioredoxin with mesna at 2.5A resolution
Keywords keywordsOXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier26.49
Radius of gyration Rg (electron density) rg_electron26.41
Forward intensity I(0) i034191200.00
Molecular weight molecular_weight46529.0 kDa
Excluded volume excluded_volume58834 ų
Envelope volume envelope_volume72927 ų
Hydration-shell volume shell_volume24668 ų
Envelope diameter envelope_diameter94.9
Shell Rg shell_rg31.40
Envelope Rg envelope_rg26.47
Shape Rg shape_rg26.40
Total Rg total_rg26.99
Total atoms total_atoms3255
Residues n_residues424
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 dmax90.7
Rg (real space) rg_real26.64
Rg uncertainty (real space) rg_real_error0.58
I(0) (real space) i0_real3.4190e+07
I(0) uncertainty (real space) i0_real_error4.4290e+05
Rg (reciprocal space) rg_reciprocal26.60
I(0) (reciprocal space) i0_reciprocal34190000.0000
Solution quality estimate total_estimate0.8556
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.7
Skewness Skewness skewness0.511
Kurtosis Kurtosis kurtosis-0.073
Angular range angular_range— – 0.3000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha16620000.0000
Real-space data points n_real_points61
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.806; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.849; Smooth: 0.852

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (8 domains)

Domain ID domain_idd4poka1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.47 — Thioredoxin fold
Superfamily Superfamily superfamilyc.47.1 — Thioredoxin-like
Family Family familyc.47.1.0 — automated matches
Domain ID domain_idd4poka2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd4pokb1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.47 — Thioredoxin fold
Superfamily Superfamily superfamilyc.47.1 — Thioredoxin-like
Family Family familyc.47.1.0 — automated matches
Domain ID domain_idd4pokb2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd4pokc1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.47 — Thioredoxin fold
Superfamily Superfamily superfamilyc.47.1 — Thioredoxin-like
Family Family familyc.47.1.0 — automated matches
Domain ID domain_idd4pokc2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd4pokd1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.47 — Thioredoxin fold
Superfamily Superfamily superfamilyc.47.1 — Thioredoxin-like
Family Family familyc.47.1.0 — automated matches
Domain ID domain_idd4pokd2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (4 domains)

Domain ID domain_id4pokA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology30 — Glutaredoxin
Homologous superfamily homologous superfamily10 — Glutaredoxin
Domain ID domain_id4pokB00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology30 — Glutaredoxin
Homologous superfamily homologous superfamily10 — Glutaredoxin
Domain ID domain_id4pokC00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology30 — Glutaredoxin
Homologous superfamily homologous superfamily10 — Glutaredoxin
Domain ID domain_id4pokD00
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)