7ntu

X-ray structure of the complex between human alpha thrombin and two duplex/quadruplex aptamers: NU172 and HD22_27mer

Method: X-RAY DIFFRACTION Dmax: 107.9 Å Quality: GOOD

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

Prothrombin

OrganismNot specified

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 2 PDB declaration: tetrameric(4) Consistent with all polymer counts Chain A; UniProt 328–363 Chain B; UniProt 364–622 Not recorded NU172 × 1 HD22_27mer × 1 0G6 D-phenylalanyl-N-[(2S,3S)-6-{[amino(iminio)methyl]amino}-1-chloro-2-hydroxyhexan-3-yl]-L-prolinamide × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 NA SODIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;293 K;26% w/v PEG 3350, 0.2 M ammonium acetate and 0.1 M Bis-Tris pH 6.5 Resolution 3.10 Å R-free 0.257
2 Protein–DNA Homooligomer Protein × 2 DNA 2 PDB declaration: tetrameric(4) Consistent with all polymer counts Chain C; UniProt 328–363 Chain D; UniProt 364–622 Not recorded NU172 × 1 HD22_27mer × 1 0G6 D-phenylalanyl-N-[(2S,3S)-6-{[amino(iminio)methyl]amino}-1-chloro-2-hydroxyhexan-3-yl]-L-prolinamide × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 NA SODIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;293 K;26% w/v PEG 3350, 0.2 M ammonium acetate and 0.1 M Bis-Tris pH 6.5 Resolution 3.10 Å R-free 0.257

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 563 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name THRB_HUMAN
Isoform
PDB entities 1, 2
Chains and sequence ranges Author chain A; PDBConstruct 1–36; UniProt 328–363 Author chain C; PDBConstruct 1–36; UniProt 328–363 Author chain B; PDBConstruct 1–259; UniProt 364–622 Author chain D; PDBConstruct 1–259; UniProt 364–622

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 7ntu

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7ntu
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7ntu
Deposition date deposition_date2021-03-10
Structure title titleX-ray structure of the complex between human alpha thrombin and two duplex/quadruplex aptamers: NU172 and HD22_27mer
Keywords keywordsTernary complex, Anticoagulant aptamers, Duplex/quadruplex, Coagulation factor, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier33.30
Radius of gyration Rg (electron density) rg_electron32.04
Forward intensity I(0) i0367560000.00
Molecular weight molecular_weight92161.0 kDa
Excluded volume excluded_volume83105 ų
Envelope volume envelope_volume149910 ų
Hydration-shell volume shell_volume39927 ų
Envelope diameter envelope_diameter116.8
Shell Rg shell_rg37.90
Envelope Rg envelope_rg31.93
Shape Rg shape_rg31.76
Total Rg total_rg32.74
Total atoms total_atoms6768
Residues n_residues586
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 dmax107.9
Rg (real space) rg_real33.30
Rg uncertainty (real space) rg_real_error0.91
I(0) (real space) i0_real3.6760e+08
I(0) uncertainty (real space) i0_real_error5.9690e+06
Rg (reciprocal space) rg_reciprocal33.30
I(0) (reciprocal space) i0_reciprocal367600000.0000
Solution quality estimate total_estimate0.8968
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary38.2
Skewness Skewness skewness0.291
Kurtosis Kurtosis kurtosis-0.439
Angular range angular_range— – 0.2400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha14860000.0000
Real-space data points n_real_points49
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.934; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.987; Smooth: 0.865

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

8. Citations (1)

9. Files and Curves (10)