Research workbench
Crystal structure of DHFR-ts from cryptosporidium hominis
Analyse Crystal structure of DHFR-ts from cryptosporidium hominis in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 1QZF
- Type
- protein
- Length
- 2,595 residues
- Chains
- 5
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Bifunctional dihydrofolate reductase-thymidylate synthase
- EC
- 1.5.1.3, 2.1.1.45
- UniProt
- Q27552
- Ligands
- UMP, CB3, FOL, NDP
- Pockets
- 20 · best druggability 0.83
Structure
x-ray diffraction · 1 distinct chain · 28% helix, 24% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A, B, C, D, E | Bifunctional dihydrofolate reductase-thymidylate synthase (EC 1.5.1.3, 2.1.1.45) | protein | 519 | 28% helix, 24% strand | Q27552 |
Ligands and binding sites
- UMP · 2'-deoxyuridine 5'-monophosphate · ligand · 5 copies · chains A, B, C, D, E
- CB3 · 10-propargyl-5,8-dideazafolic acid · ligand · 5 copies · chains A, B, C, D, E
- FOL · Folic acid · ligand · 5 copies · chains A, B, C, D, E
- NDP · Nadph dihydro-nicotinamide-adenine-dinucleotide phosphate · ligand · 5 copies · chains A, B, C, D, E
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
20 pockets found on a 1 Å grid, 15 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 1086 | 0.83 | 0.84 | 108 | empty |
| 2 | 996 | 0.82 | 0.83 | 87 | empty |
| 3 | 428 | 0.78 | 0.87 | 47 | UMP, CB3 |
| 4 | 408 | 0.78 | 0.87 | 44 | UMP, CB3 |
| 5 | 421 | 0.78 | 0.86 | 44 | UMP, CB3 |
Interfaces
2 interfaces between chains.
- A–B · 4400 Ų buried · 76 hydrogen bonds · protein-protein
- C–D · 4380 Ų buried · 75 hydrogen bonds · protein-protein
Compared structures
- 1QZF · Crystal structure of DHFR-TS from Cryptosporidium hominis · 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 Q27552
- Elsewhere: RCSB PDB 1QZF · PDBe 1QZF · UniProt Q27552
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