1z8j

Crystal structure of the thrombin mutant G193P bound to PPACK

Method: X-RAY DIFFRACTION Dmax: 57.7 Å Quality: GOOD

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

Thrombin light 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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 322–361 Chain B; UniProt 364–622 Fragment:sequence database residues 322-361 Mutation:G193P Fragment:sequence database residues 364-622 ZN ZINC ION × 3 0G6 D-phenylalanyl-N-[(2S,3S)-6-{[amino(iminio)methyl]amino}-1-chloro-2-hydroxyhexan-3-yl]-L-prolinamide × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 NA SODIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.4;298 K;20% PEG 8000, 0.1 M sodium cacodylate, 0.2 M zinc acetate, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 2.00 Å R-free 0.246
2 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 322–361 Chain B; UniProt 364–622 Fragment:sequence database residues 322-361 Mutation:G193P Fragment:sequence database residues 364-622 ZN ZINC ION × 3 0G6 D-phenylalanyl-N-[(2S,3S)-6-{[amino(iminio)methyl]amino}-1-chloro-2-hydroxyhexan-3-yl]-L-prolinamide × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 NA SODIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.4;298 K;20% PEG 8000, 0.1 M sodium cacodylate, 0.2 M zinc acetate, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 2.00 Å R-free 0.246

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 1–40; UniProt 322–361 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 1z8j

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1z8j
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1z8j
Deposition date deposition_date2005-03-30
Structure title titleCrystal structure of the thrombin mutant G193P bound to PPACK
Keywords keywordsserine protease, oxyanion hole, 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_guinier18.86
Radius of gyration Rg (electron density) rg_electron17.78
Forward intensity I(0) i036258600.00
Molecular weight molecular_weight31113.0 kDa
Excluded volume excluded_volume30057 ų
Envelope volume envelope_volume47030 ų
Hydration-shell volume shell_volume21120 ų
Envelope diameter envelope_diameter59.6
Shell Rg shell_rg25.04
Envelope Rg envelope_rg18.18
Shape Rg shape_rg17.74
Total Rg total_rg18.60
Total atoms total_atoms2343
Residues n_residues235
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 dmax57.7
Rg (real space) rg_real18.70
Rg uncertainty (real space) rg_real_error0.27
I(0) (real space) i0_real3.6260e+07
I(0) uncertainty (real space) i0_real_error4.0350e+05
Rg (reciprocal space) rg_reciprocal18.72
I(0) (reciprocal space) i0_reciprocal36260000.0000
Solution quality estimate total_estimate0.8956
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.8
Skewness Skewness skewness0.100
Kurtosis Kurtosis kurtosis-0.459
Angular range angular_range— – 0.4200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha13650000.0000
Real-space data points n_real_points73
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.897; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.978; Smooth: 0.971

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

Domain ID domain_id1z8jA00
Class class4 — Few Secondary Structures
Architecture architecture10 — Irregular
Topology topology140 — Epsilon-Thrombin; Chain L
Homologous superfamily homologous superfamily10 — Thrombin light chain domain
Domain ID domain_id1z8jB01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id1z8jB02
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)