4oqv

High resolution crystal structure of human dihydroorotate dehydrogenase bound with DSM338 (N-[3,5-difluoro-4-(trifluoromethyl)phenyl]-5-methyl-2-(trifluoromethyl)[1,2,4]triazolo[1,5-a]pyrimidin-7-amine)

Method: X-RAY DIFFRACTION Dmax: 60.4 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 32–395 Fragment:UNP residues 32-395 FMN FLAVIN MONONUCLEOTIDE × 1 ORO OROTIC ACID × 1 2V6 N-[3,5-difluoro-4-(trifluoromethyl)phenyl]-5-methyl-2-(trifluoromethyl)[1,2,4]triazolo[1,5-a]pyrimidin-7-amine × 1 ACY ACETIC ACID × 2 GOL GLYCEROL × 1 NA SODIUM ION × 2 SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.4;293 K;1.76 M Ammonium sulfate, 0.1 M Sodium Acetate, pH 5.4, 1.9 M NaCl, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 1.23 Å R-free 0.157

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 1–364; UniProt 32–395

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 4oqv

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4oqv
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4oqv
Deposition date deposition_date2014-02-10
Structure title titleHigh resolution crystal structure of human dihydroorotate dehydrogenase bound with DSM338 (N-[3,5-difluoro-4-(trifluoromethyl)phenyl]-5-methyl-2-(trifluoromethyl)[1,2,4]triazolo[1,5-a]pyrimidin-7-amine)
Keywords keywordsAlpha/Beta Barrel, REDOX, DEHYDROGENASE, FMN, mitochondrial membrane, OXIDOREDUCTASE-OXIDOREDUCTASE INHIBITOR complex; OXIDOREDUCTASE/OXIDOREDUCTASE INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier20.30
Radius of gyration Rg (electron density) rg_electron19.05
Forward intensity I(0) i027437100.00
Molecular weight molecular_weight39694.0 kDa
Excluded volume excluded_volume49543 ų
Envelope volume envelope_volume55469 ų
Hydration-shell volume shell_volume23318 ų
Envelope diameter envelope_diameter61.2
Shell Rg shell_rg26.46
Envelope Rg envelope_rg19.32
Shape Rg shape_rg19.03
Total Rg total_rg20.04
Total atoms total_atoms2793
Residues n_residues353
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 dmax60.4
Rg (real space) rg_real20.13
Rg uncertainty (real space) rg_real_error0.24
I(0) (real space) i0_real2.7440e+07
I(0) uncertainty (real space) i0_real_error2.9980e+05
Rg (reciprocal space) rg_reciprocal20.17
I(0) (reciprocal space) i0_reciprocal27440000.0000
Solution quality estimate total_estimate0.9012
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.9
Skewness Skewness skewness0.047
Kurtosis Kurtosis kurtosis-0.501
Angular range angular_range— – 0.3900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6643000.0000
Real-space data points n_real_points71
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.928; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.968; Smooth: 0.960

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (9)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd4oqva_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamilyc.1.4 — FMN-linked oxidoreductases
Family Family familyc.1.4.1 — FMN-linked oxidoreductases

CATH v4.4 (1 domains)

Domain ID domain_id4oqvA00
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily70 — Aldolase class I

8. Citations (1)

9. Files and Curves (10)