Research workbench
Crystal structure of PLK1 polo-box domain in complex with pl-55
Analyse Crystal structure of PLK1 polo-box domain in complex with pl-55 in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 4LKL
- Type
- protein
- Length
- 220 residues
- Chains
- 2
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- SERINE/THREONINE-protein kinase PLK1; Pl-55
- EC
- 2.7.11.21
- UniProt
- P53350
- Ligands
- ACE, ADM, NH2
- Pockets
- 2 · best druggability 0.42
Structure
x-ray diffraction · 2 distinct chains · 30% helix, 30% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | SERINE/THREONINE-protein kinase PLK1 (EC 2.7.11.21) | protein | 214 | 30% helix, 30% strand | P53350 |
| B | Pl-55 | protein | 6 | 0% helix, 17% strand | — |
Ligands and binding sites
- ACE · Acetyl group · ligand · chains A, B
- ADM · Adamantane · ligand · chains A, B
- NH2 · Amino group · ion · chains A, B
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
2 pockets found on a 1 Å grid, 0 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 55 | 0.42 | 0.83 | 22 | empty |
| 2 | 57 | 0.32 | 0.76 | 12 | empty |
Interfaces
1 interface between chains.
- A–B · 475 Ų buried · 11 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 1 covalent, 1 modified (covalent ligand, phosphorylation).
Compared structures
- 4LKL · Crystal structure of Plk1 Polo-box domain in complex with PL-55 · 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 P53350
- Elsewhere: RCSB PDB 4LKL · PDBe 4LKL · UniProt P53350
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