Research workbench
Novel covalent active site thrombin inhibitors
Analyse Novel covalent active site thrombin inhibitors in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 1QHR
- Type
- protein
- Length
- 305 residues
- Chains
- 3
- Method
- x-ray diffraction
- Collection
- MolNFT v2 / PDB Bank
- Contract
- 0xd58B01f6C18086e5202cdC5D7Ad3E41790360102
- Owner
- 0xF4e1AA6f26B7DA48EeAD9B24a97927303eeA07b8
- Resolution
- 2.2
- Source
- Homo sapiens; SYNTHETIC CONSTRUCT
- Molecule
- Alpha thrombin; Hirugen
- EC
- 3.4.21.5
- UniProt
- P00734, P28501
- Ligands
- 157
- Pockets
- 3 · best druggability 0.57
Structure
x-ray diffraction · resolution 2.2 · 3 distinct chains · 16% helix, 30% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Alpha thrombin (EC 3.4.21.5) | protein | 36 | 28% helix, 0% strand | P00734 |
| B | Alpha thrombin (EC 3.4.21.5) | protein | 259 | 14% helix, 35% strand | P00734 |
| I | Hirugen | protein | 10 | 30% helix, 0% strand | P28501 |
Ligands and binding sites
- 157 · 6-(2-hydroxy-cyclopentyl)-7-oxo-heptanamidine · ligand · chains B
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
3 pockets found on a 1 Å grid, 1 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 222 | 0.57 | 0.79 | 31 | 157 |
| 2 | 90 | 0.40 | 0.77 | 15 | empty |
| 3 | 55 | 0.31 | 0.76 | 11 | empty |
Interfaces
2 interfaces between chains.
- A–B · 1219 Ų buried · 27 hydrogen bonds · protein-protein
- B–I · 624 Ų buried · 7 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 4 disulfide, 1 covalent, 1 modified (disulfide, covalent ligand, sulfation).
Compared structures
- 1QHR · Novel covalent active site thrombin inhibitors · the same entry in another collection · chain A against A, TM-score 1.00
Analyse
- Open in the research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides and crosslinks on the 3D structure
- Every structure of UniProt P00734
- Every structure of UniProt P28501
- Elsewhere: RCSB PDB 1QHR · PDBe 1QHR · UniProt P00734 · UniProt P28501
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