Research workbench
Crystal structure of citrate biosensor
Analyse Crystal structure of citrate biosensor in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 6LNP
- Type
- protein
- Length
- 731 residues
- Chains
- 2
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Fusion protein of green fluorescent protein and sensor histidine kinase cita
- EC
- 2.7.13.3
- UniProt
- P52687
- Ligands
- CRO
- Pockets
- 11 · best druggability 0.78
Structure
x-ray diffraction · 2 distinct chains · 16% helix, 42% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| B | Fusion protein of green fluorescent protein and sensor histidine kinase cita (EC 2.7.13.3) | protein | 369 | 16% helix, 41% strand | P52687 |
| D | Fusion protein of green fluorescent protein and sensor histidine kinase cita (EC 2.7.13.3) | protein | 362 | 17% helix, 43% strand | P52687 |
Ligands and binding sites
- CRO · {2-[(1R,2R)-1-amino-2-hydroxypropyl]-4-(4-hydroxybenzylidene)-5-oxo-4,5-dihydro-1H-imidazol-1-yl}acetic acid · ligand · 2 copies · chains B, D
- CIT · Citric acid · additive · 2 copies · chains B, D
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 | 111 | 0.78 | 0.97 | 26 | CRO |
| 2 | 133 | 0.73 | 0.92 | 38 | CRO |
| 3 | 436 | 0.69 | 0.80 | 47 | empty |
| 4 | 80 | 0.69 | 0.94 | 18 | CIT |
| 5 | 349 | 0.64 | 0.79 | 44 | empty |
Interfaces
1 interface between chains.
- B–D · 1098 Ų buried · 14 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 4 cofactor (chromophore).
Compared structures
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 P52687
- Elsewhere: RCSB PDB 6LNP · PDBe 6LNP · UniProt P52687
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