3kvk

Crystal structure of human dihydroorotate dehydrogenase (DHODH) with amino-benzoic acid inhibitor 641 at 2.05A resolution

Method: X-RAY DIFFRACTION Dmax: 61.1 Å Quality: EXCELLENT

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

Dihydroorotate dehydrogenase, 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 SO4 SULFATE ION × 1 FMN FLAVIN MONONUCLEOTIDE × 1 DOR (4S)-2,6-DIOXOHEXAHYDROPYRIMIDINE-4-CARBOXYLIC ACID × 1 DET UNDECYLAMINE-N,N-DIMETHYL-N-OXIDE × 1 6X1 2-{[(3,5-dichlorophenyl)carbamoyl]amino}benzoic acid × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5;298 K;2.4 M AMMONIUM SULFATE, 15% GLYCEROL, 0.1 M NA-ACETATE, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 2.05 Å R-free 0.205

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 3kvk

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3kvk
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3kvk
Deposition date deposition_date2009-11-30
Structure title titleCrystal structure of human dihydroorotate dehydrogenase (DHODH) with amino-benzoic acid inhibitor 641 at 2.05A resolution
Keywords keywords;PROTEIN-ANTIPROLIFERATIVE AGENT COMPLEX, OXIDOREDUCTASE, Flavoprotein, FMN, Membrane, Mitochondrion, Mitochondrion inner membrane, Polymorphism, Pyrimidine biosynthesis, Transit peptide, Transmembrane ;; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier20.41
Radius of gyration Rg (electron density) rg_electron19.10
Forward intensity I(0) i028709700.00
Molecular weight molecular_weight40754.0 kDa
Excluded volume excluded_volume50950 ų
Envelope volume envelope_volume57320 ų
Hydration-shell volume shell_volume23871 ų
Envelope diameter envelope_diameter61.8
Shell Rg shell_rg26.65
Envelope Rg envelope_rg19.47
Shape Rg shape_rg19.08
Total Rg total_rg20.09
Total atoms total_atoms2868
Residues n_residues364
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 dmax61.1
Rg (real space) rg_real20.25
Rg uncertainty (real space) rg_real_error0.25
I(0) (real space) i0_real2.8710e+07
I(0) uncertainty (real space) i0_real_error3.5000e+05
Rg (reciprocal space) rg_reciprocal20.28
I(0) (reciprocal space) i0_reciprocal28710000.0000
Solution quality estimate total_estimate0.9008
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary26.2
Skewness Skewness skewness0.055
Kurtosis Kurtosis kurtosis-0.498
Angular range angular_range— – 0.3900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha8740000.0000
Real-space data points n_real_points71
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.921; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.968; Smooth: 0.974

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd3kvka_
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_id3kvkA00
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)