MolNFT v1 · #61159 · protein
Crystal structure of the catalytic domain of botulinum neurotoxin serotype a with a snap-25 peptide
3DDA · Botulinum neurotoxin a light chain: “Crystal structure of the catalytic domain of botulinum neurotoxin serotype a with a snap-25 peptide”. X-ray diffraction, 3 ligands (ZN, NH2, SO4), 3 pockets (best druggability 0.51). MolNFT v1…
- PDB
- 3DDA
- Type
- protein
- Length
- 429 residues
- Chains
- 2
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Botulinum neurotoxin a light chain; Synaptosomal-associated protein 25
- EC
- 3.4.24.69
- UniProt
- A5HZZ9, P60880
- Ligands
- ZN, NH2, SO4
- Pockets
- 3 · best druggability 0.51
Structure
x-ray diffraction · 2 distinct chains · 32% helix, 18% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Botulinum neurotoxin a light chain (EC 3.4.24.69) | protein | 423 | 33% helix, 18% strand | A5HZZ9 |
| B | Synaptosomal-associated protein 25 | protein | 6 | 0% helix, 0% strand | P60880 |
Ligands and binding sites
- ZN · Zinc ion · metal · chains A, B
- NH2 · Amino group · ion · chains A, B
- SO4 · Sulfate ion · ion · chains A
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
3 pockets found on a 1 Å grid, 2 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 175 | 0.51 | 0.78 | 29 | empty |
| 2 | 93 | 0.50 | 0.82 | 16 | empty |
| 3 | 59 | 0.31 | 0.76 | 14 | empty |
Interfaces
1 interface between chains.
- A–B · 642 Ų buried · 20 hydrogen bonds · protein-protein
Compared structures
- 3DDA · Crystal structure of the catalytic domain of Botulinum neurotoxin serotype a with a… · the same entry in another collection · chain A against A, TM-score 1.00
- P60880 · AlphaFold monomer V2.0 prediction for synaptosomal-associated protein 25 (P60880) · a predicted model of the same protein · chain B against A, TM-score 0.50
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 A5HZZ9
- Every structure of UniProt P60880
- Elsewhere: RCSB PDB 3DDA · PDBe 3DDA · UniProt A5HZZ9 · UniProt P60880
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