8tqs

Complex of human thrombin (S195A) bound to a bivalent inhibitor comprised of DNA Aptamer HD22 conjugated to Dabigatran with a linker.

Method: X-RAY DIFFRACTION Dmax: 74.3 Å Quality: GOOD

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

Thrombin heavy chain

Homo sapiens

UniProt P00734

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–DNA Homooligomer Protein × 2 DNA 1 PDB declaration: trimeric(3) Consistent with all polymer counts Chain H; UniProt 364–622 Chain L; UniProt 320–360 Mutation:S195A DNA (30-MER) × 1 MG MAGNESIUM ION × 1 NA SODIUM ION × 1 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 1 4CC N-[(2-{[(4-carbamimidoylphenyl)amino]methyl}-1-methyl-1H-benzimidazol-5-yl)carbonyl]-N-pyridin-2-yl-beta-alanine × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6;298 K;0.1 M MES monohydrate pH 6, 22% (v/v) polyethylene glycol 400 (Hampton PEGRx1 #08) Resolution 2.21 Å R-free 0.245

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.

475 other PDB entries and 564 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name THRB_HUMAN
Isoform
PDB entities 2, 3
Chains and sequence ranges Author chain H; PDBConstruct 1–259; UniProt 364–622 Author chain L; PDBConstruct 1–41; UniProt 320–360

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 8tqs

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8tqs
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8tqs
Deposition date deposition_date2023-08-08
Structure title titleComplex of human thrombin (S195A) bound to a bivalent inhibitor comprised of DNA Aptamer HD22 conjugated to Dabigatran with a linker.
Keywords keywordsHuman thrombin, DNA aptamer, Dabigatran, BLOOD CLOTTING; BLOOD CLOTTING
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier21.93
Radius of gyration Rg (electron density) rg_electron20.39
Forward intensity I(0) i042226300.00
Molecular weight molecular_weight44093.0 kDa
Excluded volume excluded_volume52364 ų
Envelope volume envelope_volume61837 ų
Hydration-shell volume shell_volume24710 ų
Envelope diameter envelope_diameter73.9
Shell Rg shell_rg27.83
Envelope Rg envelope_rg20.73
Shape Rg shape_rg20.31
Total Rg total_rg21.37
Total atoms total_atoms3063
Residues n_residues272
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 dmax74.3
Rg (real space) rg_real21.80
Rg uncertainty (real space) rg_real_error0.42
I(0) (real space) i0_real4.2230e+07
I(0) uncertainty (real space) i0_real_error5.4410e+05
Rg (reciprocal space) rg_reciprocal21.82
I(0) (reciprocal space) i0_reciprocal42230000.0000
Solution quality estimate total_estimate0.8730
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary73.2
Skewness Skewness skewness0.189
Kurtosis Kurtosis kurtosis-0.352
Angular range angular_range— – 0.3600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5654000.0000
Real-space data points n_real_points68
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.785; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.996; Smooth: 0.992

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (9)

8. Citations (1)

9. Files and Curves (10)