Research workbench
Structure basis of cellular dntp regulation, SAMHD1-dgtp-dgtp- DGTP/DTTP complex
Analyse Structure basis of cellular dntp regulation, SAMHD1-dgtp-dgtp- DGTP/DTTP complex in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 4TO2
- Type
- protein
- Length
- 1,924 residues
- Chains
- 4
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Deoxynucleoside triphosphate triphosphohydrolase SAMHD1
- EC
- 3.1.5.-
- UniProt
- Q9Y3Z3
- Ligands
- DGT, TTP, MG
- Pockets
- 20 · best druggability 0.89
Structure
x-ray diffraction · 1 distinct chain · 51% helix, 13% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A, B, C, D | Deoxynucleoside triphosphate triphosphohydrolase SAMHD1 (EC 3.1.5.-) | protein | 481 | 51% helix, 13% strand | Q9Y3Z3 |
Ligands and binding sites
- DGT · 2'-deoxyguanosine-5'-triphosphate · ligand · 11 copies · chains A, C, D, B
- TTP · Thymidine-5'-triphosphate · ligand · chains C
- MG · Magnesium ion · metal · 8 copies · chains A, B, C, D
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
20 pockets found on a 1 Å grid, 14 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 922 | 0.89 | 0.91 | 139 | DGT, MG |
| 2 | 981 | 0.89 | 0.91 | 146 | DGT |
| 3 | 134 | 0.81 | 0.98 | 27 | empty |
| 4 | 129 | 0.81 | 0.98 | 27 | empty |
| 5 | 978 | 0.75 | 0.78 | 77 | DGT, MG |
Interfaces
6 interfaces between chains.
- A–C · 2115 Ų buried · 31 hydrogen bonds · protein-protein
- B–D · 2107 Ų buried · 28 hydrogen bonds · protein-protein
- A–D · 1935 Ų buried · 24 hydrogen bonds · protein-protein
- B–C · 1909 Ų buried · 21 hydrogen bonds · protein-protein
- A–B · 538 Ų buried · 6 hydrogen bonds · protein-protein
Compared structures
- 4TO2 · Structure basis of cellular dNTP regulation, SAMHD1-dGTP-dGTP-dGTP/dTTP complex · 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 Q9Y3Z3
- Elsewhere: RCSB PDB 4TO2 · PDBe 4TO2 · UniProt Q9Y3Z3
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