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Three-dimensional structure of L-threonine 3-dehydrogenase from trypanosoma brucei bound to NAD+ refined to 2.3 ångströms
Analyse Three-dimensional structure of L-threonine 3-dehydrogenase from trypanosoma… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 5K4Q
- Type
- protein
- Length
- 1,916 residues
- Chains
- 6
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- L-threonine 3-dehydrogenase
- EC
- 1.1.1.103
- UniProt
- Q7YW97
- Ligands
- NAD, SO4
- Pockets
- 11 · best druggability 0.74
Structure
x-ray diffraction · 2 distinct chains · 46% helix, 15% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A, D | L-threonine 3-dehydrogenase (EC 1.1.1.103) | protein | 320 | 46% helix, 15% strand | Q7YW97 |
| B, C, E, F | L-threonine 3-dehydrogenase (EC 1.1.1.103) | protein | 319 | 46% helix, 15% strand | Q7YW97 |
Ligands and binding sites
- NAD · Nicotinamide-adenine-dinucleotide · ligand · 6 copies · chains A, B, C, D, E, F
- SO4 · Sulfate ion · ion · 5 copies · chains B, C, D, F
- GOL · Glycerol · additive · 6 copies · chains A, B, C, D, E, F
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
11 pockets found on a 1 Å grid, 7 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 516 | 0.74 | 0.82 | 50 | NAD, GOL |
| 2 | 463 | 0.73 | 0.82 | 50 | NAD, GOL |
| 3 | 456 | 0.73 | 0.82 | 55 | NAD, GOL |
| 4 | 436 | 0.73 | 0.83 | 46 | NAD, GOL, SO4 |
| 5 | 433 | 0.73 | 0.82 | 47 | NAD, GOL |
Interfaces
2 interfaces between chains.
- A–F · 295 Ų buried · 1 hydrogen bond · protein-protein
- E–F · 50 Ų buried · 0 hydrogen bonds · protein-protein
Compared structures
- 5K4Q · Three-dimensional structure of L-threonine 3-dehydrogenase from Trypanosoma brucei bound… · the same entry in another collection · chain C against C, 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 Q7YW97
- Elsewhere: RCSB PDB 5K4Q · PDBe 5K4Q · UniProt Q7YW97
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