MolNFT v1 · #61204 · protein
Crystal structures of caspase-3 with bound isoquinoline-1,3,4-trione derivative inhibitors
3DEJ: “Crystal structures of caspase-3 with bound isoquinoline-1,3,4-trione derivative inhibitors”. X-ray diffraction, 1 ligand (RXC), 6 pockets (best druggability 0.70). MolNFT v1 #61204 on GenesisL1: 3D structure, binding sites and…
- PDB
- 3DEJ
- Type
- protein
- Length
- 930 residues
- Chains
- 4
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Caspase-3
- EC
- 3.4.22.56
- UniProt
- P42574
- Ligands
- RXC
- Pockets
- 6 · best druggability 0.70
Structure
x-ray diffraction · 3 distinct chains · 29% helix, 25% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A, C | Caspase-3 (EC 3.4.22.56) | protein | 233 | 30% helix, 27% strand | P42574 |
| B | Caspase-3 (EC 3.4.22.56) | protein | 235 | 29% helix, 25% strand | P42574 |
| D | Caspase-3 (EC 3.4.22.56) | protein | 229 | 29% helix, 22% strand | P42574 |
Ligands and binding sites
- RXC · (1S)-1-(3-chlorophenyl)-2-oxo-2-[(1,3,4-trioxo-1,2,3,4-tetrahydroisoquinolin-5-yl)amino]ethyl acetate · ligand · chains A, C
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
6 pockets found on a 1 Å grid, 3 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 877 | 0.70 | 0.76 | 78 | RXC |
| 2 | 277 | 0.65 | 0.81 | 34 | empty |
| 3 | 294 | 0.64 | 0.80 | 38 | empty |
| 4 | 85 | 0.36 | 0.75 | 21 | empty |
| 5 | 80 | 0.35 | 0.76 | 20 | empty |
Interfaces
5 interfaces between chains.
- A–B · 2228 Ų buried · 42 hydrogen bonds · protein-protein
- C–D · 2055 Ų buried · 35 hydrogen bonds · protein-protein
- A–C · 804 Ų buried · 12 hydrogen bonds · protein-protein
- A–D · 52 Ų buried · 0 hydrogen bonds · protein-protein
- B–C · 25 Ų buried · 0 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 4 modified (oxidation).
Compared structures
- 3DEJ · Crystal Structures of Caspase-3 with Bound Isoquinoline-1,3,4-trione Derivative Inhibitors · the same entry in another collection · chain D against D, TM-score 1.00
- P42574 · AlphaFold monomer V2.0 prediction for caspase-3 (P42574) · a predicted model of the same protein · chain A against A, TM-score 0.99
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 P42574
- Elsewhere: RCSB PDB 3DEJ · PDBe 3DEJ · UniProt P42574
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