2pgb

Inhibitor-free human thrombin mutant C191A-C220A

Method: X-RAY DIFFRACTION Dmax: 57.3 Å Quality: EXCELLENT

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 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 328–363 Chain B; UniProt 364–622 Fragment:Thrombin light chain, 328-363 Fragment:Thrombin heavy chain, 364-622 Mutation:C191A, C220A NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;295 K;25% PEG 4000, 0.2 M Lithium Sulfate and 0.1 M TRIS- HCl pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 1.54 Å R-free 0.217

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 A; PDBConstruct 1–36; UniProt 328–363 Author chain B; 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 2pgb

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id2pgb
Deposition date deposition_date2007-04-09
Structure title titleInhibitor-free human thrombin mutant C191A-C220A
Keywords keywordsserine protease, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier19.09
Radius of gyration Rg (electron density) rg_electron17.87
Forward intensity I(0) i019620200.00
Molecular weight molecular_weight33503.0 kDa
Excluded volume excluded_volume41860 ų
Envelope volume envelope_volume46988 ų
Hydration-shell volume shell_volume21095 ų
Envelope diameter envelope_diameter58.9
Shell Rg shell_rg24.95
Envelope Rg envelope_rg18.16
Shape Rg shape_rg17.86
Total Rg total_rg18.87
Total atoms total_atoms2356
Residues n_residues243
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 dmax57.3
Rg (real space) rg_real18.91
Rg uncertainty (real space) rg_real_error0.24
I(0) (real space) i0_real1.9620e+07
I(0) uncertainty (real space) i0_real_error2.2820e+05
Rg (reciprocal space) rg_reciprocal18.94
I(0) (reciprocal space) i0_reciprocal19620000.0000
Solution quality estimate total_estimate0.9004
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary55.7
Skewness Skewness skewness0.048
Kurtosis Kurtosis kurtosis-0.482
Angular range angular_range— – 0.4150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha7532000.0000
Real-space data points n_real_points73
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.913; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.971; Smooth: 0.993

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id2pgbB01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id2pgbB02
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)