Research workbench
Structure of human THR160-phospho CDK2/CYCLIN a complexed with a 6-cyclohexylmethyloxy-2-anilino-purine inhibitor
Analyse Structure of human THR160-phospho CDK2/CYCLIN a complexed with a… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 1OI9
- Type
- protein
- Length
- 1,104 residues
- Chains
- 4
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Cell division protein kinase 2; Cyclin A2
- EC
- 2.7.1.37
- UniProt
- P24941, P20248
- Ligands
- N20, MG
- Pockets
- 14 · best druggability 0.81
Structure
x-ray diffraction · 4 distinct chains · 49% helix, 9% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Cell division protein kinase 2 (EC 2.7.1.37) | protein | 296 | 35% helix, 17% strand | P24941 |
| B | Cyclin A2 | protein | 258 | 67% helix, 0% strand | P20248 |
| C | Cell division protein kinase 2 (EC 2.7.1.37) | protein | 297 | 34% helix, 17% strand | P24941 |
| D | Cyclin A2 | protein | 253 | 66% helix, 0% strand | P20248 |
Ligands and binding sites
- N20 · 6-cyclohexylmethyloxy-2-(4'-hydroxyanilino)purine · ligand · 2 copies · chains A, C
- MG · Magnesium ion · metal · chains B
- SGM · Monothioglycerol · additive · 2 copies · chains B, C, D
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
14 pockets found on a 1 Å grid, 8 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 125 | 0.81 | 0.99 | 22 | empty |
| 2 | 114 | 0.80 | 0.98 | 24 | empty |
| 3 | 1059 | 0.79 | 0.80 | 92 | empty |
| 4 | 223 | 0.68 | 0.85 | 28 | N20 |
| 5 | 226 | 0.66 | 0.84 | 26 | N20 |
Interfaces
5 interfaces between chains.
- A–B · 1758 Ų buried · 28 hydrogen bonds · protein-protein
- C–D · 1690 Ų buried · 27 hydrogen bonds · protein-protein
- B–C · 545 Ų buried · 3 hydrogen bonds · protein-protein
- A–D · 494 Ų buried · 2 hydrogen bonds · protein-protein
- A–C · 115 Ų buried · 2 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 2 modified, 1 covalent (phosphorylation, additive adduct).
Compared structures
- 1OI9 · Structure of human Thr160-phospho CDK2/cyclin A complexed with a… · the same entry in another collection · chain D against D, TM-score 1.00
- P20248 · AlphaFold monomer V2.0 prediction for cyclin-A2 (P20248) · a predicted model of the same protein · chain B against A, TM-score 1.00
- P24941 · AlphaFold monomer V2.0 prediction for cyclin-dependent kinase 2 (P24941) · a predicted model of the same protein · chain A against A, TM-score 0.92
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 P24941
- Every structure of UniProt P20248
- Elsewhere: RCSB PDB 1OI9 · PDBe 1OI9 · UniProt P24941 · UniProt P20248
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