7QON | pdb_00007qon

Monoclinic triose phosphate isomerase from Fasciola hepatica.

PDB DOI: https://doi.org/10.2210/pdb7QON/pdb

Classification: ISOMERASE
Organism(s): Fasciola hepatica
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2021-12-24 Released: 2023-01-18
Deposition Author(s): Kontellas, G., Isupov, M.N., Littlechild, J.A.
Funding Organization(s): Not funded

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.51 Å
R-Value Free:
0.193 (Depositor), 0.193 (DCC)
R-Value Work:
0.165 (Depositor), 0.165 (DCC)

Starting Model: experimental
View more details

wwPDB Validation 3D Report Full Report

This is version 1.2 of the entry. See complete history.

Literature

Triosephosphate isomerase from Fasciola hepatica: high-resolution crystal structure as a drug target.

Kontellas, G., Studholme, D.J., van der Giezen, M., Timson, D.J., Littlechild, J.A., Isupov, M.N.

(2025) Acta Crystallogr F Struct Biol Commun 81: 381-387

PubMed: 40832834 Search on PubMed Search on PubMed Central
DOI: https://doi.org/10.1107/S2053230X25006454
Primary Citation Related Structures:
7QON

PubMed Abstract:
The trematode liver fluke Fasciola hepatica causes the neglected tropical disease fascioliasis in humans and is associated with significant losses in agricultural industry due to reduced animal productivity. Triosephosphate isomerase (TPI) is a glycolytic enzyme that has been researched as a drug target for various parasites, including F. hepatica. The high-resolution crystal structure of F. hepatica TPI (FhTPI) has been solved at 1.51 Å resolution in its monoclinic form. The structure has been used to perform molecular-docking studies with the most successful fasciolocide triclabendazole (TCBZ), which has recently been suggested to target FhTPI. Two FhTPI residues, Lys50 and Asp51, are located at the dimer interface and are found in close proximity to the docked TCBZ. These residues are not conserved in mammalian hosts.

Organizational Affiliation

Henry Wellcome Building for Biocatalysis, Biosciences, Faculty of Health and Life Sciences, University of Exeter, Exeter EX4 4QD, United Kingdom.

Macromolecule Content

Total Structure Weight: 112.77 kDa
Atom Count: 9,627
Modeled Residue Count: 1,006
Deposited Residue Count: 1,012
Unique protein chains: 1

Macromolecules

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Triosephosphate isomerase	A [auth AAA], B [auth BBB], C [auth CCC], D [auth DDD]	253	Fasciola hepatica	Mutation(s): 0 EC: 5.3.1.1
UniProt
Find proteins for S4UI50 (Fasciola hepatica) Explore S4UI50 Go to UniProtKB: S4UI50
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	S4UI50
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
PGE Query on PGE Download:Ideal Coordinates CCD File SDF format, chain LA [auth DDD] SDF format, chain P [auth BBB] MOL2 format, chain LA [auth DDD] MOL2 format, chain P [auth BBB] mmCIF format, chain LA [auth DDD] mmCIF format, chain P [auth BBB]	LA [auth DDD], P [auth BBB]	TRIETHYLENE GLYCOL C₆ H₁₄ O₄ ZIBGPFATKBEMQZ-UHFFFAOYSA-N		Interactions Focus chain LA [auth DDD] Focus chain P [auth BBB] Interactions & Density Focus chain LA [auth DDD] Focus chain P [auth BBB]
EDO Query on EDO Download:Ideal Coordinates CCD File SDF format, chain JA [auth DDD] SDF format, chain KA [auth DDD] SDF format, chain M [auth BBB] SDF format, chain N [auth BBB] SDF format, chain O [auth BBB] SDF format, chain X [auth CCC] MOL2 format, chain JA [auth DDD] MOL2 format, chain KA [auth DDD] MOL2 format, chain M [auth BBB] MOL2 format, chain N [auth BBB] MOL2 format, chain O [auth BBB] MOL2 format, chain X [auth CCC] mmCIF format, chain JA [auth DDD] mmCIF format, chain KA [auth DDD] mmCIF format, chain M [auth BBB] mmCIF format, chain N [auth BBB] mmCIF format, chain O [auth BBB] mmCIF format, chain X [auth CCC]	JA [auth DDD] KA [auth DDD] M [auth BBB] N [auth BBB] O [auth BBB] JA [auth DDD], KA [auth DDD], M [auth BBB], N [auth BBB], O [auth BBB], X [auth CCC]	1,2-ETHANEDIOL C₂ H₆ O₂ LYCAIKOWRPUZTN-UHFFFAOYSA-N		Interactions Focus chain JA [auth DDD] Focus chain KA [auth DDD] Focus chain M [auth BBB] Focus chain N [auth BBB] Focus chain O [auth BBB] Focus chain X [auth CCC] Interactions & Density Focus chain JA [auth DDD] Focus chain KA [auth DDD] Focus chain M [auth BBB] Focus chain N [auth BBB] Focus chain O [auth BBB] Focus chain X [auth CCC]
CL Query on CL Download:Ideal Coordinates CCD File SDF format, chain HA [auth CCC] SDF format, chain IA [auth CCC] SDF format, chain J [auth AAA] SDF format, chain K [auth AAA] SDF format, chain OA [auth DDD] SDF format, chain PA [auth DDD] SDF format, chain V [auth BBB] SDF format, chain W [auth BBB] SDF format, chain L [auth AAA] MOL2 format, chain HA [auth CCC] MOL2 format, chain IA [auth CCC] MOL2 format, chain J [auth AAA] MOL2 format, chain K [auth AAA] MOL2 format, chain OA [auth DDD] MOL2 format, chain PA [auth DDD] MOL2 format, chain V [auth BBB] MOL2 format, chain W [auth BBB] MOL2 format, chain L [auth AAA] mmCIF format, chain HA [auth CCC] mmCIF format, chain IA [auth CCC] mmCIF format, chain J [auth AAA] mmCIF format, chain K [auth AAA] mmCIF format, chain OA [auth DDD] mmCIF format, chain PA [auth DDD] mmCIF format, chain V [auth BBB] mmCIF format, chain W [auth BBB] mmCIF format, chain L [auth AAA]	HA [auth CCC] IA [auth CCC] J [auth AAA] K [auth AAA] L [auth AAA] HA [auth CCC], IA [auth CCC], J [auth AAA], K [auth AAA], L [auth AAA], OA [auth DDD], PA [auth DDD], V [auth BBB], W [auth BBB]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M		Interactions Focus chain HA [auth CCC] Focus chain IA [auth CCC] Focus chain J [auth AAA] Focus chain K [auth AAA] Focus chain L [auth AAA] Focus chain OA [auth DDD] Focus chain PA [auth DDD] Focus chain V [auth BBB] Focus chain W [auth BBB] Interactions & Density Focus chain HA [auth CCC] Focus chain IA [auth CCC] Focus chain J [auth AAA] Focus chain K [auth AAA] Focus chain L [auth AAA] Focus chain OA [auth DDD] Focus chain PA [auth DDD] Focus chain V [auth BBB] Focus chain W [auth BBB]
NA Query on NA Download:Ideal Coordinates CCD File SDF format, chain AA [auth CCC] SDF format, chain BA [auth CCC] SDF format, chain CA [auth CCC] SDF format, chain DA [auth CCC] SDF format, chain E [auth AAA] SDF format, chain EA [auth CCC] SDF format, chain F [auth AAA] SDF format, chain FA [auth CCC] SDF format, chain G [auth AAA] SDF format, chain GA [auth CCC] SDF format, chain H [auth AAA] SDF format, chain I [auth AAA] SDF format, chain MA [auth DDD] SDF format, chain NA [auth DDD] SDF format, chain Q [auth BBB] SDF format, chain R [auth BBB] SDF format, chain S [auth BBB] SDF format, chain T [auth BBB] SDF format, chain U [auth BBB] SDF format, chain Y [auth CCC] SDF format, chain Z [auth CCC] MOL2 format, chain AA [auth CCC] MOL2 format, chain BA [auth CCC] MOL2 format, chain CA [auth CCC] MOL2 format, chain DA [auth CCC] MOL2 format, chain E [auth AAA] MOL2 format, chain EA [auth CCC] MOL2 format, chain F [auth AAA] MOL2 format, chain FA [auth CCC] MOL2 format, chain G [auth AAA] MOL2 format, chain GA [auth CCC] MOL2 format, chain H [auth AAA] MOL2 format, chain I [auth AAA] MOL2 format, chain MA [auth DDD] MOL2 format, chain NA [auth DDD] MOL2 format, chain Q [auth BBB] MOL2 format, chain R [auth BBB] MOL2 format, chain S [auth BBB] MOL2 format, chain T [auth BBB] MOL2 format, chain U [auth BBB] MOL2 format, chain Y [auth CCC] MOL2 format, chain Z [auth CCC] mmCIF format, chain AA [auth CCC] mmCIF format, chain BA [auth CCC] mmCIF format, chain CA [auth CCC] mmCIF format, chain DA [auth CCC] mmCIF format, chain E [auth AAA] mmCIF format, chain EA [auth CCC] mmCIF format, chain F [auth AAA] mmCIF format, chain FA [auth CCC] mmCIF format, chain G [auth AAA] mmCIF format, chain GA [auth CCC] mmCIF format, chain H [auth AAA] mmCIF format, chain I [auth AAA] mmCIF format, chain MA [auth DDD] mmCIF format, chain NA [auth DDD] mmCIF format, chain Q [auth BBB] mmCIF format, chain R [auth BBB] mmCIF format, chain S [auth BBB] mmCIF format, chain T [auth BBB] mmCIF format, chain U [auth BBB] mmCIF format, chain Y [auth CCC] mmCIF format, chain Z [auth CCC]	AA [auth CCC] BA [auth CCC] CA [auth CCC] DA [auth CCC] E [auth AAA] AA [auth CCC], BA [auth CCC], CA [auth CCC], DA [auth CCC], E [auth AAA], EA [auth CCC], F [auth AAA], FA [auth CCC], G [auth AAA], GA [auth CCC], H [auth AAA], I [auth AAA], MA [auth DDD], NA [auth DDD], Q [auth BBB], R [auth BBB], S [auth BBB], T [auth BBB], U [auth BBB], Y [auth CCC], Z [auth CCC]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N		Interactions Focus chain AA [auth CCC] Focus chain BA [auth CCC] Focus chain CA [auth CCC] Focus chain DA [auth CCC] Focus chain E [auth AAA] Focus chain EA [auth CCC] Focus chain F [auth AAA] Focus chain FA [auth CCC] Focus chain G [auth AAA] Focus chain GA [auth CCC] Focus chain H [auth AAA] Focus chain I [auth AAA] Focus chain MA [auth DDD] Focus chain NA [auth DDD] Focus chain Q [auth BBB] Focus chain R [auth BBB] Focus chain S [auth BBB] Focus chain T [auth BBB] Focus chain U [auth BBB] Focus chain Y [auth CCC] Focus chain Z [auth CCC] Interactions & Density Focus chain AA [auth CCC] Focus chain BA [auth CCC] Focus chain CA [auth CCC] Focus chain DA [auth CCC] Focus chain E [auth AAA] Focus chain EA [auth CCC] Focus chain F [auth AAA] Focus chain FA [auth CCC] Focus chain G [auth AAA] Focus chain GA [auth CCC] Focus chain H [auth AAA] Focus chain I [auth AAA] Focus chain MA [auth DDD] Focus chain NA [auth DDD] Focus chain Q [auth BBB] Focus chain R [auth BBB] Focus chain S [auth BBB] Focus chain T [auth BBB] Focus chain U [auth BBB] Focus chain Y [auth CCC] Focus chain Z [auth CCC]