2zfr

Exploring thrombin S3 pocket

Method: X-RAY DIFFRACTION Dmax: 57.4 Å Quality: EXCELLENT

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

thrombin light chain

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 heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain H; UniProt 364–622 Chain L; UniProt 328–363 Not recorded Hirudin × 1 (P09945) NA SODIUM ION × 2 46U (S)-N-(4-carbamimidoylbenzyl)-1-(2-(cyclohexyloxy)ethanoyl)pyrrolidine-2-carboxamide × 1 GOL GLYCEROL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;277 K;Phosphate buffer, sodium chloride, PEG8000, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 1.85 Å R-free 0.253

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 1, 2
Chains and sequence ranges Author chain L; PDBConstruct 1–36; UniProt 328–363 Author chain H; PDBConstruct 1–259; UniProt 364–622

Hirudin

OrganismNot specified

UniProt P09945

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 I; UniProt 60–71 Fragment:Residues 53-64 Non-standard monomer:Yes (specific site not provided by mmCIF) thrombin light chain × 1 (P00734) thrombin heavy chain × 1 (P00734) NA SODIUM ION × 2 46U (S)-N-(4-carbamimidoylbenzyl)-1-(2-(cyclohexyloxy)ethanoyl)pyrrolidine-2-carboxamide × 1 GOL GLYCEROL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;277 K;Phosphate buffer, sodium chloride, PEG8000, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 1.85 Å R-free 0.253

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.

111 other PDB entries and 113 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ITH3_HIRME
Isoform
PDB entities 3
Chains and sequence ranges Author chain I; PDBConstruct 1–12; UniProt 60–71

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 2zfr

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2zfr
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2zfr
Deposition date deposition_date2008-01-10
Structure title titleExploring thrombin S3 pocket
Keywords keywords;Blood clotting/Hydrolase inhibitors, Acute phase, Cleavage on pair of basic residues, Disease mutation, Gamma-carboxyglutamic acid, Glycoprotein, Kringle, Protease, Secreted, Serine protease, Zymogen, Protease inhibitor, Serine protease inhibitor, Sulfation, HYDROLASE-HYDROLASE INHIBITOR COMPLEX ;; HYDROLASE/HYDROLASE INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier18.99
Radius of gyration Rg (electron density) rg_electron17.82
Forward intensity I(0) i019131000.00
Molecular weight molecular_weight33467.0 kDa
Excluded volume excluded_volume41922 ų
Envelope volume envelope_volume46601 ų
Hydration-shell volume shell_volume20962 ų
Envelope diameter envelope_diameter58.2
Shell Rg shell_rg24.91
Envelope Rg envelope_rg18.16
Shape Rg shape_rg17.81
Total Rg total_rg18.81
Total atoms total_atoms2353
Residues n_residues250
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 dmax57.4
Rg (real space) rg_real18.83
Rg uncertainty (real space) rg_real_error0.20
I(0) (real space) i0_real1.9130e+07
I(0) uncertainty (real space) i0_real_error1.8720e+05
Rg (reciprocal space) rg_reciprocal18.85
I(0) (reciprocal space) i0_reciprocal19130000.0000
Solution quality estimate total_estimate0.9008
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.7
Skewness Skewness skewness0.074
Kurtosis Kurtosis kurtosis-0.481
Angular range angular_range— – 0.4200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha7911000.0000
Real-space data points n_real_points73
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.914; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.976; Smooth: 0.990

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id2zfrH01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id2zfrH02
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)