Research workbench
Crystal structure of toxoplasma gondii prolyl-tRNA synthetase (tgprs) in complex with inhibitor 1
Analyse Crystal structure of toxoplasma gondii prolyl-tRNA synthetase (tgprs) in… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 5XIG
- Type
- protein
- Length
- 1,919 residues
- Chains
- 4
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Prolyl-tRNA synthetase (prors)
- EC
- 6.1.1.15
- UniProt
- S8G8I1
- Ligands
- ANP, 87F, MG
- Pockets
- 20 · best druggability 0.84
Structure
x-ray diffraction · 4 distinct chains · 38% helix, 29% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Prolyl-tRNA synthetase (prors) (EC 6.1.1.15) | protein | 486 | 36% helix, 28% strand | S8G8I1 |
| B | Prolyl-tRNA synthetase (prors) (EC 6.1.1.15) | protein | 478 | 38% helix, 29% strand | S8G8I1 |
| C | Prolyl-tRNA synthetase (prors) (EC 6.1.1.15) | protein | 477 | 38% helix, 29% strand | S8G8I1 |
| D | Prolyl-tRNA synthetase (prors) (EC 6.1.1.15) | protein | 478 | 38% helix, 29% strand | S8G8I1 |
Ligands and binding sites
- ANP · Phosphoaminophosphonic acid-adenylate ester · ligand · 4 copies · chains A, B, C, D
- 87F · 3-[3-[(2R)-3-oxidanylidenepiperidin-2-yl]propyl]quinazolin-4-one · ligand · 4 copies · chains A, B, C, D
- MG · Magnesium ion · metal · 8 copies · chains A, B, C, D
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
20 pockets found on a 1 Å grid, 9 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 1079 | 0.84 | 0.85 | 101 | empty |
| 2 | 864 | 0.82 | 0.84 | 75 | empty |
| 3 | 1156 | 0.77 | 0.79 | 98 | ANP, MG, 87F |
| 4 | 699 | 0.76 | 0.82 | 58 | ANP, MG, 87F |
| 5 | 752 | 0.76 | 0.81 | 61 | ANP, MG, 87F |
Interfaces
5 interfaces between chains.
- B–C · 2673 Ų buried · 39 hydrogen bonds · protein-protein
- A–D · 2618 Ų buried · 35 hydrogen bonds · protein-protein
- A–B · 401 Ų buried · 4 hydrogen bonds · protein-protein
- A–C · 329 Ų buried · 3 hydrogen bonds · protein-protein
- C–D · 10 Ų buried · 0 hydrogen bonds · protein-protein
Compared structures
- 5XIG · Crystal Structure of Toxoplasma gondii Prolyl-tRNA Synthetase (TgPRS) in complex with… · 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 S8G8I1
- Elsewhere: RCSB PDB 5XIG · PDBe 5XIG · UniProt S8G8I1
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