Crystal structure of ts-DHFR from cryptosporidium hominis in complex with NADPH, fdump, mtx and 2-amino-4-oxo-4,7-dihydro-PYRROLO[2,3- D]PYRIMIDINE-methyl-phenyl-D-glutamic acid

Structure

x-ray diffraction · 1 distinct chain · 28% helix, 25% strand (DSSP).

Ligands and binding sites

• NDP · Nadph dihydro-nicotinamide-adenine-dinucleotide phosphate · ligand · 5 copies · chains A, B, C, D, E
• UFP · 5-fluoro-2'-deoxyuridine-5'-monophosphate · ligand · 5 copies · chains A, C, B, E, D
• D96 · N-{4-[(2-amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)methyl]benzene-1-carbonyl}-D-glutamic acid · ligand · 5 copies · chains A, B, C, D, E
• MTX · Methotrexate · 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, 17 with a druggability of 0.5 or more.

Interfaces

5 interfaces between chains.

• B–E · 4351 Ų buried · 72 hydrogen bonds · protein-protein
• A–C · 4327 Ų buried · 72 hydrogen bonds · protein-protein
• A–B · 231 Ų buried · 3 hydrogen bonds · protein-protein
• C–E · 222 Ų buried · 5 hydrogen bonds · protein-protein
• B–C · 159 Ų buried · 4 hydrogen bonds · protein-protein

Compared structures

• 6OJS · Crystal structure of TS-DHFR from Cryptosporidium hominis in complex with NADPH, FdUMP… · 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 A0A0S4TER9
• Elsewhere: RCSB PDB 6OJS · PDBe 6OJS · UniProt A0A0S4TER9