MolNFT v1 · #74587 · protein
Thrombin inhibition by pyridin derivatives
3P17 · Thrombin light chain: “Thrombin inhibition by pyridin derivatives”. X-ray diffraction, 4 ligands (99P, NAG, NA), 1 pocket (best druggability 0.54). MolNFT v1 #74587 on GenesisL1: 3D structure, binding sites and pockets in GL1X.
- PDB
- 3P17
- Type
- protein
- Length
- 288 residues
- Chains
- 3
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Thrombin light chain; Thrombin heavy chain; Hirudin variant-2
- EC
- 3.4.21.5
- UniProt
- P00734, P09945
- Ligands
- 99P, NAG, NA, PO4
- Pockets
- 1 · best druggability 0.54
Structure
x-ray diffraction · 3 distinct chains · 18% helix, 31% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| L | Thrombin light chain (EC 3.4.21.5) | protein | 27 | 37% helix, 0% strand | P00734 |
| H | Thrombin heavy chain (EC 3.4.21.5) | protein | 251 | 16% helix, 35% strand | P00734 |
| I | Hirudin variant-2 | protein | 10 | 30% helix, 0% strand | P09945 |
Ligands and binding sites
- 99P · D-phenylalanyl-N-(pyridin-3-ylmethyl)-L-prolinamide · ligand · chains H
- NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · chains H
- NA · Sodium ion · metal · 2 copies · chains H
- PO4 · Phosphate ion · ion
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
1 pocket found on a 1 Å grid, 1 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 206 | 0.54 | 0.78 | 35 | 99P |
Interfaces
2 interfaces between chains.
- L–H · 1083 Ų buried · 27 hydrogen bonds · protein-protein
- H–I · 628 Ų buried · 6 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 4 disulfide, 1 glycan, 1 modified (disulfide, N-glycosylation, sulfation).
Compared structures
- 3P17 · Thrombin Inhibition by Pyridin Derivatives · the same entry in another collection · chain L against L, 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 P09945
- Elsewhere: RCSB PDB 3P17 · PDBe 3P17 · UniProt P00734 · UniProt P09945
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