1rd3

2.5A Structure of Anticoagulant Thrombin Variant E217K

Method: X-RAY DIFFRACTION Dmax: 91.5 Å Quality: GOOD

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

Prothrombin

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 Other combination Homooligomer Protein × 4 其他Polymer 2 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 328–363 Chain B; UniProt 364–622 Chain C; UniProt 328–363 Chain D; UniProt 364–622 Fragment:Thrombin light chain Fragment:Thrombin heavy chain Mutation:E217K ;alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-alpha-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 2-acetamido-2-deoxy-alpha-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose × 1 PO4 PHOSPHATE ION × 3 GOL GLYCEROL × 6 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.4;295 K;sodium tris, potassium phosphate, glycerol, PEG 8000, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.50 Å R-free 0.259
2 Other combination Homooligomer Protein × 2 其他Polymer 1 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 328–363 Chain B; UniProt 364–622 Fragment:Thrombin light chain Fragment:Thrombin heavy chain Mutation:E217K ;alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-alpha-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 PO4 PHOSPHATE ION × 2 GOL GLYCEROL × 5 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.4;295 K;sodium tris, potassium phosphate, glycerol, PEG 8000, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.50 Å R-free 0.259
3 Other combination Homooligomer Protein × 2 其他Polymer 1 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 328–363 Chain D; UniProt 364–622 Fragment:Thrombin light chain Fragment:Thrombin heavy chain Mutation:E217K 2-acetamido-2-deoxy-alpha-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose × 1 PO4 PHOSPHATE ION × 1 GOL GLYCEROL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.4;295 K;sodium tris, potassium phosphate, glycerol, PEG 8000, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.50 Å R-free 0.259

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 562 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 1rd3

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1rd3
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1rd3
Deposition date deposition_date2003-11-05
Structure title title2.5A Structure of Anticoagulant Thrombin Variant E217K
Keywords keywordsHYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier28.14
Radius of gyration Rg (electron density) rg_electron27.79
Forward intensity I(0) i075951200.00
Molecular weight molecular_weight68131.0 kDa
Excluded volume excluded_volume85132 ų
Envelope volume envelope_volume102250 ų
Hydration-shell volume shell_volume31140 ų
Envelope diameter envelope_diameter91.3
Shell Rg shell_rg34.87
Envelope Rg envelope_rg27.77
Shape Rg shape_rg27.77
Total Rg total_rg28.55
Total atoms total_atoms4784
Residues n_residues489
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 dmax91.5
Rg (real space) rg_real28.26
Rg uncertainty (real space) rg_real_error0.49
I(0) (real space) i0_real7.5950e+07
I(0) uncertainty (real space) i0_real_error1.0640e+06
Rg (reciprocal space) rg_reciprocal28.22
I(0) (reciprocal space) i0_reciprocal75950000.0000
Solution quality estimate total_estimate0.8722
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary27.8
Skewness Skewness skewness0.424
Kurtosis Kurtosis kurtosis-0.502
Angular range angular_range— – 0.2800 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha63560000.0000
Real-space data points n_real_points57
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.827; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.935; Smooth: 0.920

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1rd3.1
Class classb — All beta proteins
Fold Fold foldb.47 — Trypsin-like serine proteases
Superfamily Superfamily superfamilyb.47.1 — Trypsin-like serine proteases
Family Family familyb.47.1.2 — Eukaryotic proteases
Domain ID domain_idd1rd3.2
Class classb — All beta proteins
Fold Fold foldb.47 — Trypsin-like serine proteases
Superfamily Superfamily superfamilyb.47.1 — Trypsin-like serine proteases
Family Family familyb.47.1.2 — Eukaryotic proteases

CATH v4.4 (4 domains)

Domain ID domain_id1rd3B01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id1rd3B02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id1rd3D01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id1rd3D02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases

8. Citations (1)

9. Files and Curves (10)