9c50

Replacement of a single residue changes the primary specificity of thrombin

Method: X-RAY DIFFRACTION Dmax: 93.7 Å Quality: GOOD

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

Thrombin A-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 heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 328–363 Chain B; UniProt 364–622 Not recorded FPF × 1 NA SODIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;293.15 K;0.1 M succinic acid, 15% PEG3350 Resolution 2.50 Å R-free 0.245
2 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain C; UniProt 328–363 Chain D; UniProt 364–622 Not recorded FPF × 1 NA SODIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;293.15 K;0.1 M succinic acid, 15% PEG3350 Resolution 2.50 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 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 9c50

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9c50
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9c50
Deposition date deposition_date2024-06-05
Structure title titleReplacement of a single residue changes the primary specificity of thrombin
Keywords keywordscoagulation, Thrombin, 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_guinier28.84
Radius of gyration Rg (electron density) rg_electron28.25
Forward intensity I(0) i068608500.00
Molecular weight molecular_weight65690.0 kDa
Excluded volume excluded_volume82510 ų
Envelope volume envelope_volume98760 ų
Hydration-shell volume shell_volume29848 ų
Envelope diameter envelope_diameter99.2
Shell Rg shell_rg34.74
Envelope Rg envelope_rg28.20
Shape Rg shape_rg28.25
Total Rg total_rg28.91
Total atoms total_atoms4622
Residues n_residues494
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 dmax93.7
Rg (real space) rg_real28.94
Rg uncertainty (real space) rg_real_error0.68
I(0) (real space) i0_real6.8610e+07
I(0) uncertainty (real space) i0_real_error1.0540e+06
Rg (reciprocal space) rg_reciprocal28.90
I(0) (reciprocal space) i0_reciprocal68610000.0000
Solution quality estimate total_estimate0.8687
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary27.3
Skewness Skewness skewness0.397
Kurtosis Kurtosis kurtosis-0.586
Angular range angular_range— – 0.2750 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha32230000.0000
Real-space data points n_real_points56
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.819; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.874; Smooth: 0.958

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

8. Citations (1)

9. Files and Curves (10)