5DEL

Crystal structure of Plasmodium falciparum dihydroorotate dehydrogenase bound with Inhibitor DSM59


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.20 Å
  • R-Value Free: 0.215 
  • R-Value Work: 0.195 
  • R-Value Observed: 0.196 

Starting Model: experimental
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Ligand Structure Quality Assessment 


This is version 1.1 of the entry. See complete history


Literature

The X-ray structure of Plasmodium falciparum dihydroorotate dehydrogenase bound to a potent and selective N-phenylbenzamide inhibitor reveals novel binding-site interactions.

Deng, X.Matthews, D.Rathod, P.K.Phillips, M.A.

(2015) Acta Crystallogr F Struct Biol Commun 71: 553-559

  • DOI: https://doi.org/10.1107/S2053230X15000989
  • Primary Citation of Related Structures:  
    5DEL

  • PubMed Abstract: 

    Plasmodium species are protozoan parasites that are the causative agent of malaria. Malaria is a devastating disease, and its treatment and control have been hampered by the propensity of the parasite to become drug-resistant. Dihydroorotate dehydrogenase (DHODH) has been identified as a promising new target for the development of antimalarial agents. Here, the X-ray structure of P. falciparum DHODH bound to a potent and selective N-phenylbenzamide-based inhibitor (DSM59) is described at 2.3 Å resolution. The structure elucidates novel binding-site interactions and shows how conformational flexibility of the enzyme leads to the ability to bind diverse chemical structures with high affinity. This information provides new insight into the design of high-affinity DHODH inhibitors for the treatment of malaria.


  • Organizational Affiliation

    Department of Pharmacology, University of Texas Southwestern Medical Center at Dallas, 6001 Forest Park Road, Dallas, TX 75390-9041, USA.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Dihydroorotate dehydrogenase (quinone), mitochondrial401Plasmodium falciparum 3D7Mutation(s): 0 
Gene Names: PFF0160c
EC: 1.3.5.2
UniProt
Find proteins for Q08210 (Plasmodium falciparum (isolate 3D7))
Explore Q08210 
Go to UniProtKB:  Q08210
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ08210
Sequence Annotations
Expand
  • Reference Sequence
Small Molecules
Ligands 5 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
FMN
Query on FMN

Download Ideal Coordinates CCD File 
B [auth A]FLAVIN MONONUCLEOTIDE
C17 H21 N4 O9 P
FVTCRASFADXXNN-SCRDCRAPSA-N
D59
Query on D59

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D [auth A]N-(3,5-dichlorophenyl)-2-methyl-3-nitrobenzamide
C14 H10 Cl2 N2 O3
NKIJNFMSYDSAJK-UHFFFAOYSA-N
LDA
Query on LDA

Download Ideal Coordinates CCD File 
F [auth A]LAURYL DIMETHYLAMINE-N-OXIDE
C14 H31 N O
SYELZBGXAIXKHU-UHFFFAOYSA-N
ORO
Query on ORO

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C [auth A]OROTIC ACID
C5 H4 N2 O4
PXQPEWDEAKTCGB-UHFFFAOYSA-N
GOL
Query on GOL

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E [auth A],
G [auth A]
GLYCEROL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
Binding Affinity Annotations 
IDSourceBinding Affinity
D59 BindingDB:  5DEL Ki: 30 (nM) from 1 assay(s)
IC50: min: 16, max: 1.30e+5 (nM) from 5 assay(s)
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.20 Å
  • R-Value Free: 0.215 
  • R-Value Work: 0.195 
  • R-Value Observed: 0.196 
  • Space Group: P 64
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 85.046α = 90
b = 85.046β = 90
c = 137.704γ = 120
Software Package:
Software NamePurpose
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling
PHASESphasing

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2015-10-07
    Type: Initial release
  • Version 1.1: 2023-09-27
    Changes: Data collection, Database references, Derived calculations, Refinement description