MolNFT v1 · #180374 · protein
Dihydrodipicolinate synthase (dhdps) from C.JEJUNI with pyruvate bound in the active site and L-histidine bound at the allosteric site
7KXG · 4-hydroxy-tetrahydrodipicolinate synthase: “Dihydrodipicolinate synthase (dhdps) from C.JEJUNI with pyruvate bound in the active site and L-histidine…”. X-ray diffraction, 2 ligands (HIS, MG), 13 pockets (best druggability 0.74).…
- PDB
- 7KXG
- Type
- protein
- Length
- 1,778 residues
- Chains
- 6
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- 4-hydroxy-tetrahydrodipicolinate synthase
- EC
- 4.3.3.7
- UniProt
- Q9PPB4
- Ligands
- HIS, MG
- Pockets
- 13 · best druggability 0.74
Structure
x-ray diffraction · 2 distinct chains · 48% helix, 14% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A, B, D, E | 4-hydroxy-tetrahydrodipicolinate synthase (EC 4.3.3.7) | protein | 296 | 49% helix, 14% strand | Q9PPB4 |
| C, F | 4-hydroxy-tetrahydrodipicolinate synthase (EC 4.3.3.7) | protein | 297 | 47% helix, 14% strand | Q9PPB4 |
Ligands and binding sites
- HIS · Histidine · ligand · 6 copies · chains A, C, B, D, E, F
- MG · Magnesium ion · metal · 17 copies · chains A, B, C, D, E, F
- EDO · 1,2-ethanediol · additive · 14 copies · chains A, C, B, D, E, F
- PGE · Triethylene glycol · additive · 7 copies · chains A, B, C, D, E, F
- PEG · Di(hydroxyethyl)ether · additive · 5 copies · chains A, B, C, D, F
- ACT · Acetate ion · additive · 5 copies · chains B, D, E, F
- GOL · Glycerol · additive · chains F
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
13 pockets found on a 1 Å grid, 7 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 518 | 0.74 | 0.82 | 66 | MG, PEG, HIS, EDO |
| 2 | 529 | 0.72 | 0.81 | 49 | PGE, ACT, HIS |
| 3 | 455 | 0.72 | 0.82 | 61 | MG, PEG, HIS |
| 4 | 661 | 0.70 | 0.78 | 55 | MG |
| 5 | 178 | 0.51 | 0.78 | 28 | MG |
Interfaces
6 interfaces between chains.
- A–C · 1502 Ų buried · 12 hydrogen bonds · protein-protein
- B–D · 1488 Ų buried · 13 hydrogen bonds · protein-protein
- E–F · 1487 Ų buried · 15 hydrogen bonds · protein-protein
- C–D · 1004 Ų buried · 14 hydrogen bonds · protein-protein
- A–B · 995 Ų buried · 12 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 6 modified (nonstandard).
Compared structures
- 7KXG · Dihydrodipicolinate synthase (DHDPS) from C.jejuni with pyruvate bound in the active site… · the same entry in another collection · chain B against B, TM-score 1.00
- Q9PPB4 · AlphaFold monomer V2.0 prediction for 4-hydroxy- tetrahydrodipicolinate synthase (Q9PPB4) · a predicted model of the same protein · 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 Q9PPB4
- Elsewhere: RCSB PDB 7KXG · PDBe 7KXG · UniProt Q9PPB4
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