8rak

Crystal structure of human Dihydroorotate Dehydrogenase in complex with the inhibitor 2-Hydroxy-N-(2-isopropyl-5-methyl-4-(pyridin-4-yloxy)phenyl)pyrazolo[1,5-a]pyridine-3-carboxamide

Method: X-RAY DIFFRACTION Dmax: 61.5 Å Quality: EXCELLENT

1. Protein Identity and Related Structures Protein Identity & Related Structures

Dihydroorotate dehydrogenase (quinone), mitochondrial

Homo sapiens

UniProt Q02127

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 29–395 Not recorded FMN FLAVIN MONONUCLEOTIDE × 1 ORO OROTIC ACID × 1 YMH ~{N}-(5-methyl-2-propan-2-yl-4-pyridin-4-yloxy-phenyl)-2-oxidanyl-pyrazolo[1,5-a]pyridine-3-carboxamide × 1 ACT ACETATE ION × 5 SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;293.15 K;2M ammonium sulphate, 100 mM sodium acetate pH 4.8, and 30 % v/v glycerol Resolution 1.85 Å R-free 0.186

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

104 other PDB entries and 106 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PYRD_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 24–390; UniProt 29–395

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 8rak

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8rak
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8rak
Deposition date deposition_date2023-12-01
最后修订 last_revision2024-06-19
Structure title titleCrystal structure of human Dihydroorotate Dehydrogenase in complex with the inhibitor 2-Hydroxy-N-(2-isopropyl-5-methyl-4-(pyridin-4-yloxy)phenyl)pyrazolo[1,5-a]pyridine-3-carboxamide
Keywords keywordsDrug discovery, DHODH, inhibitor, leukemia, protein binding, FLAVOPROTEIN; FLAVOPROTEIN
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier20.67
Radius of gyration Rg (electron density) rg_electron19.31
Forward intensity I(0) i029808900.00
Molecular weight molecular_weight41161.0 kDa
Excluded volume excluded_volume51325 ų
Envelope volume envelope_volume58670 ų
Hydration-shell volume shell_volume24214 ų
Envelope diameter envelope_diameter62.0
Shell Rg shell_rg26.85
Envelope Rg envelope_rg19.62
Shape Rg shape_rg19.28
Total Rg total_rg20.34
Total atoms total_atoms2957
Residues n_residues366
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax61.5
Rg (real space) rg_real20.49
Rg uncertainty (real space) rg_real_error0.23
I(0) (real space) i0_real2.9810e+07
I(0) uncertainty (real space) i0_real_error3.5820e+05
Rg (reciprocal space) rg_reciprocal20.53
I(0) (reciprocal space) i0_reciprocal29810000.0000
Solution quality estimate total_estimate0.9039
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary26.8
Skewness Skewness skewness0.050
Kurtosis Kurtosis kurtosis-0.498
Angular range angular_range— – 0.3850 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha8778000.0000
Real-space data points n_real_points70
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.927; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.968; Smooth: 0.998

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

8. Citations (1)

9. Files and Curves (10)