6AOG

Crystal structure of Toxoplasma gondii TS-DHFR complexed with NADPH, dUMP, PDDF, and 5-(4-chlorophenyl)-6-ethylpyrimidine-2,4-diamine (pyrimethamine)

PDB DOI: https://doi.org/10.2210/pdb6AOG/pdb

Classification: OXIDOREDUCTASE
Organism(s): Toxoplasma gondii
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2017-08-16 Released: 2018-08-22
Deposition Author(s): Thomas, S.B., Li, Y., Chen, Z., Lu, H.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 3.20 Å
R-Value Free: 0.275
R-Value Work: 0.240
R-Value Observed: 0.241

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.1 of the entry. See complete history.

Literature

Identification of selective, brain penetrant Toxoplasma gondii dihydrofolate reductase inhibitors for the treatment of toxoplasmosis

Thomas, S.B., Hopper, A.

To be published.

Macromolecule Content

Total Structure Weight: 131.99 kDa
Atom Count: 8,430
Modelled Residue Count: 1,022
Deposited Residue Count: 1,132
Unique protein chains: 1

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Bifunctional dihydrofolate reductase-thymidylate synthase	A, B	566	Toxoplasma gondii	Mutation(s): 0 EC: 1.5.1.3 (PDB Primary Data), 2.1.1.45 (PDB Primary Data)
UniProt
Find proteins for Q07422 (Toxoplasma gondii) Explore Q07422 Go to UniProtKB: Q07422
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	Q07422
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
NDP Query on NDP Download Ideal Coordinates CCD File SDF format, chain D [auth A] SDF format, chain H [auth B] MOL2 format, chain D [auth A] MOL2 format, chain H [auth B] mmCIF format, chain D [auth A] mmCIF format, chain H [auth B]	D [auth A], H [auth B]	NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE C₂₁ H₃₀ N₇ O₁₇ P₃ ACFIXJIJDZMPPO-NNYOXOHSSA-N		Interactions Focus chain D [auth A] Focus chain H [auth B]
CB3 Query on CB3 Download Ideal Coordinates CCD File SDF format, chain E [auth A] SDF format, chain I [auth B] MOL2 format, chain E [auth A] MOL2 format, chain I [auth B] mmCIF format, chain E [auth A] mmCIF format, chain I [auth B]	E [auth A], I [auth B]	10-PROPARGYL-5,8-DIDEAZAFOLIC ACID C₂₄ H₂₃ N₅ O₆ LTKHPMDRMUCUEB-IBGZPJMESA-N		Interactions Focus chain E [auth A] Focus chain I [auth B]
UMP Query on UMP Download Ideal Coordinates CCD File SDF format, chain C [auth A] SDF format, chain G [auth B] MOL2 format, chain C [auth A] MOL2 format, chain G [auth B] mmCIF format, chain C [auth A] mmCIF format, chain G [auth B]	C [auth A], G [auth B]	2'-DEOXYURIDINE 5'-MONOPHOSPHATE C₉ H₁₃ N₂ O₈ P JSRLJPSBLDHEIO-SHYZEUOFSA-N		Interactions Focus chain C [auth A] Focus chain G [auth B]
CP6 Query on CP6 Download Ideal Coordinates CCD File SDF format, chain F [auth A] SDF format, chain J [auth B] MOL2 format, chain F [auth A] MOL2 format, chain J [auth B] mmCIF format, chain F [auth A] mmCIF format, chain J [auth B]	F [auth A], J [auth B]	5-(4-CHLORO-PHENYL)-6-ETHYL-PYRIMIDINE-2,4-DIAMINE C₁₂ H₁₃ Cl N₄ WKSAUQYGYAYLPV-UHFFFAOYSA-N		Interactions Focus chain F [auth A] Focus chain J [auth B]