1qj1

Novel Covalent Active Site Thrombin Inhibitors

Method: X-RAY DIFFRACTION Dmax: 59.7 Å Quality: GOOD

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

THROMBIN

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 A; UniProt 328–363 Chain B; UniProt 364–622 Fragment:ALPHA THROMBIN LIGHT CHAIN Fragment:ALPHA THROMBIN HEAVY CHAIN HIRUGEN × 1 (P28501) 166 6-CARBAMIMIDOYL-2-[2-HYDROXY-6-(4-HYDROXY-PHENYL)-INDAN-1-YL]-HEXANOIC ACID × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7;CRYSTALS WERE GROWN BY MACROSEEDING A SOLUTION OF 100MM HEPES PH 7.0, 22% PEG4K, 200MM NACL. PROTEIN CONCENTRATION OF 5MG/ML. Resolution 2.00 Å

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

HIRUGEN

OrganismNot specified

UniProt P28501

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 55–64 Fragment:PEPTIDE FRAGMENT OF HIRUDIN Non-standard monomer:Yes (specific site not provided by mmCIF) THROMBIN × 1 (P00734) THROMBIN × 1 (P00734) 166 6-CARBAMIMIDOYL-2-[2-HYDROXY-6-(4-HYDROXY-PHENYL)-INDAN-1-YL]-HEXANOIC ACID × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7;CRYSTALS WERE GROWN BY MACROSEEDING A SOLUTION OF 100MM HEPES PH 7.0, 22% PEG4K, 200MM NACL. PROTEIN CONCENTRATION OF 5MG/ML. Resolution 2.00 Å

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.

18 other PDB entries and 18 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ITHA_HIRME
Isoform
PDB entities 3
Chains and sequence ranges Author chain I; PDBConstruct 1–10; UniProt 55–64

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 1qj1

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1qj1
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1qj1
Deposition date deposition_date1999-06-21
Structure title titleNovel Covalent Active Site Thrombin Inhibitors
Keywords keywordsBLOOD COAGULATION-INHIBITOR, PROTEINASE, TRYPSIN LIKE PROTEINASE, PROTEASE-INHIBITOR, 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_guinier19.55
Radius of gyration Rg (electron density) rg_electron18.27
Forward intensity I(0) i021785400.00
Molecular weight molecular_weight35557.0 kDa
Excluded volume excluded_volume44466 ų
Envelope volume envelope_volume50212 ų
Hydration-shell volume shell_volume21967 ų
Envelope diameter envelope_diameter62.8
Shell Rg shell_rg25.55
Envelope Rg envelope_rg18.66
Shape Rg shape_rg18.26
Total Rg total_rg19.27
Total atoms total_atoms2502
Residues n_residues255
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 dmax59.7
Rg (real space) rg_real19.37
Rg uncertainty (real space) rg_real_error0.22
I(0) (real space) i0_real2.1790e+07
I(0) uncertainty (real space) i0_real_error2.3680e+05
Rg (reciprocal space) rg_reciprocal19.40
I(0) (reciprocal space) i0_reciprocal21790000.0000
Solution quality estimate total_estimate0.8984
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.2
Skewness Skewness skewness0.079
Kurtosis Kurtosis kurtosis-0.462
Angular range angular_range— – 0.4050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha8550000.0000
Real-space data points n_real_points72
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.899; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.981; Smooth: 0.997

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1qj1.1
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

CATH v4.4 (2 domains)

Domain ID domain_id1qj1B01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id1qj1B02
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)