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Crystal structure of tryptophan Synthase in complex with F9, NH4+, pH7.8 - alpha aminoacrylate form - E(A-A)
Analyse Crystal structure of tryptophan Synthase in complex with F9, NH4+, pH7.8… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 7MT4
- Type
- protein
- Length
- 660 residues
- Chains
- 2
- Method
- x-ray diffraction
- Collection
- MolNFT v2 / PDB Bank
- Contract
- 0xd58B01f6C18086e5202cdC5D7Ad3E41790360102
- Owner
- 0xF4e1AA6f26B7DA48EeAD9B24a97927303eeA07b8
- Resolution
- 1.4
- Source
- Salmonella enterica subsp. enterica serovar Typhimurium
- Molecule
- Tryptophan synthase alpha chain; Tryptophan synthase beta chain
- EC
- 4.2.1.20
- UniProt
- A0A0D6FWC1, P0A2K1
- Ligands
- F9F, 0JO, NH4
- Pockets
- 5 · best druggability 0.81
Structure
x-ray diffraction · resolution 1.4 · 2 distinct chains · 48% helix, 19% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Tryptophan synthase alpha chain (EC 4.2.1.20) | protein | 265 | 51% helix, 15% strand | A0A0D6FWC1 |
| B | Tryptophan synthase beta chain (EC 4.2.1.20) | protein | 395 | 46% helix, 22% strand | P0A2K1 |
Ligands and binding sites
- F9F · 2-({[4-(trifluoromethoxy)phenyl]sulfonyl}amino)ethyl dihydrogen phosphate · ligand · chains A, B
- 0JO · 2-{[(E)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene]amino}prop-2-enoic acid · ligand · chains B
- NH4 · Ammonium ion · ion · chains B
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
5 pockets found on a 1 Å grid, 2 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 134 | 0.81 | 0.97 | 32 | F9F |
| 2 | 102 | 0.77 | 0.98 | 32 | 0JO |
| 3 | 97 | 0.41 | 0.77 | 20 | empty |
| 4 | 103 | 0.39 | 0.76 | 20 | empty |
| 5 | 67 | 0.25 | 0.71 | 21 | empty |
Interfaces
1 interface between chains.
- A–B · 1430 Ų buried · 30 hydrogen bonds · protein-protein
Compared structures
- 7MT4 · Crystal structure of tryptophan synthase in complex with F9, NH4+, PH7.8 - alpha… · the same entry in another collection · chain A against A, TM-score 1.00
- P0A2K1 · AlphaFold monomer V2.0 prediction for tryptophan synthase beta chain (P0A2K1) · a predicted model of the same protein · chain B 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 A0A0D6FWC1
- Every structure of UniProt P0A2K1
- Elsewhere: RCSB PDB 7MT4 · PDBe 7MT4 · UniProt A0A0D6FWC1 · UniProt P0A2K1
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