4RLI

Crystal structure of human dihydroorotate dehydrogenase (DHODH) with DH03A048

• PDB DOI: https://doi.org/10.2210/pdb4RLI/pdb

• Classification: oxidoreductase/oxidoreductase inhibitor
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2014-10-17 Released: 2015-11-04 
• Deposition Author(s): Zhu, L., Ren, X., Zhu, J., Li, H.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.206 
• R-Value Work: 0.175 
• R-Value Observed: 0.176 

Starting Model: experimental

Literature

Crystal structure of human dihydroorotate dehydrogenase (DHODH) with DH03A048

Zhu, L., Ren, X., Zhu, J., Li, H.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 43.62 kDa 
• Atom Count: 2,764 
• Modelled Residue Count: 350 
• Deposited Residue Count: 390 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Dihydroorotate dehydrogenase (quinone), mitochondrial	A	390	Homo sapiens	Mutation(s): 0  Gene Names: DHODH EC: 1.3.5.2
UniProt & NIH Common Fund Data Resources
Find proteins for Q02127 (Homo sapiens) Explore Q02127  Go to UniProtKB:  Q02127
PHAROS:  Q02127 GTEx:  ENSG00000102967

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FMN	B [auth A]	FLAVIN MONONUCLEOTIDE C17 H21 N4 O9 P FVTCRASFADXXNN-SCRDCRAPSA-N
3SH	D [auth A]	ethyl 2-[(3-chloro-4-methylphenyl)amino]-4-phenyl-1,3-thiazole-5-carboxylate C19 H17 Cl N2 O2 S CVZNJBZNWNMDTG-UHFFFAOYSA-N
ORO	C [auth A]	OROTIC ACID C5 H4 N2 O4 PXQPEWDEAKTCGB-UHFFFAOYSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
3SH	BindingDB:  4RLI	IC50: 35 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.206 
• R-Value Work: 0.175 
• R-Value Observed: 0.176 
• Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 90.81	α = 90
b = 90.81	β = 90
c = 123.48	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
auto	model building
REFMAC	refinement
HKL-2000	data reduction
iMOSFLM	data reduction
auto	phasing
HKL-2000	data collection

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-11-04 
Deposition Author(s): Zhu, L., Ren, X., Zhu, J., Li, H.

Revision History  

• Version 1.0: 2015-11-04
  Type: Initial release
  
• Version 1.1: 2019-07-17
  Changes: Data collection, Refinement description
• Version 1.2: 2023-09-20
  Changes: Data collection, Database references, Derived calculations, Refinement description