3sqe

Crystal structure of prethrombin-2 mutant S195A in the alternative form

Method: X-RAY DIFFRACTION Dmax: 56.9 Å Quality: EXCELLENT

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

Thrombin light chain, 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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain E; UniProt 333–622 Fragment:unp residues 333-622 Mutation:S195A GOL GLYCEROL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;295 K;0.1 M Tris, 11% PEG8000, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 1.90 Å R-free 0.206

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
Chains and sequence ranges Author chain E; PDBConstruct 1–290; UniProt 333–622

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 3sqe

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3sqe
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3sqe
Deposition date deposition_date2011-07-05
Structure title titleCrystal structure of prethrombin-2 mutant S195A in the alternative form
Keywords keywordsSerine protease, Prethrombin-2, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier19.13
Radius of gyration Rg (electron density) rg_electron17.89
Forward intensity I(0) i019437100.00
Molecular weight molecular_weight33387.0 kDa
Excluded volume excluded_volume41801 ų
Envelope volume envelope_volume48238 ų
Hydration-shell volume shell_volume21475 ų
Envelope diameter envelope_diameter56.9
Shell Rg shell_rg25.11
Envelope Rg envelope_rg18.27
Shape Rg shape_rg17.88
Total Rg total_rg18.93
Total atoms total_atoms2348
Residues n_residues245
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 dmax56.9
Rg (real space) rg_real18.96
Rg uncertainty (real space) rg_real_error0.20
I(0) (real space) i0_real1.9440e+07
I(0) uncertainty (real space) i0_real_error1.8900e+05
Rg (reciprocal space) rg_reciprocal18.99
I(0) (reciprocal space) i0_reciprocal19440000.0000
Solution quality estimate total_estimate0.9026
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.3
Skewness Skewness skewness0.063
Kurtosis Kurtosis kurtosis-0.482
Angular range angular_range— – 0.4150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha9159000.0000
Real-space data points n_real_points73
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.925; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.970; Smooth: 0.985

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd3sqee_
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 (2 domains)

Domain ID domain_id3sqeE01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id3sqeE02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases

8. Citations (2)

9. Files and Curves (10)