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- PDB-1d3h: HUMAN DIHYDROOROTATE DEHYDROGENASE COMPLEXED WITH ANTIPROLIFERATI... -

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Basic information

Entry
Database: PDB / ID: 1d3h
TitleHUMAN DIHYDROOROTATE DEHYDROGENASE COMPLEXED WITH ANTIPROLIFERATIVE AGENT A771726
ComponentsDIHYDROOROTATE DEHYDROGENASE
KeywordsOXIDOREDUCTASE / ALPHA-BETA BARREL / MEMBRANE BINDING MOTIF
Function / homology
Function and homology information


pyrimidine ribonucleotide biosynthetic process / dihydroorotate dehydrogenase (quinone) activity / dihydroorotate dehydrogenase (quinone) / dihydroorotate dehydrogenase activity / dihydroorotase activity / Pyrimidine biosynthesis / UDP biosynthetic process / 'de novo' UMP biosynthetic process / 'de novo' pyrimidine nucleobase biosynthetic process / mitochondrial inner membrane ...pyrimidine ribonucleotide biosynthetic process / dihydroorotate dehydrogenase (quinone) activity / dihydroorotate dehydrogenase (quinone) / dihydroorotate dehydrogenase activity / dihydroorotase activity / Pyrimidine biosynthesis / UDP biosynthetic process / 'de novo' UMP biosynthetic process / 'de novo' pyrimidine nucleobase biosynthetic process / mitochondrial inner membrane / mitochondrion / nucleoplasm / cytosol
Similarity search - Function
Dihydroorotate dehydrogenase, class 2 / Dihydroorotate dehydrogenase signature 1. / Dihydroorotate dehydrogenase signature 2. / Dihydroorotate dehydrogenase, conserved site / Dihydroorotate dehydrogenase domain / Dihydroorotate dehydrogenase / Aldolase class I / Aldolase-type TIM barrel / TIM Barrel / Alpha-Beta Barrel / Alpha Beta
Similarity search - Domain/homology
Chem-A26 / ACETATE ION / FLAVIN MONONUCLEOTIDE / OROTIC ACID / Dihydroorotate dehydrogenase (quinone), mitochondrial
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / Resolution: 1.8 Å
AuthorsLiu, S. / Neidhardt, E.A. / Grossman, T.H. / Ocain, T. / Clardy, J.
CitationJournal: Structure Fold.Des. / Year: 2000
Title: Structures of human dihydroorotate dehydrogenase in complex with antiproliferative agents.
Authors: Liu, S. / Neidhardt, E.A. / Grossman, T.H. / Ocain, T. / Clardy, J.
History
DepositionSep 29, 1999Deposition site: RCSB / Processing site: RCSB
Revision 1.0Aug 13, 2000Provider: repository / Type: Initial release
Revision 1.1Apr 27, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Jul 18, 2012Group: Non-polymer description
Revision 1.4Feb 7, 2024Group: Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: DIHYDROOROTATE DEHYDROGENASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)40,8946
Polymers39,8571
Non-polymers1,0385
Water5,368298
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)90.610, 90.610, 122.410
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number154
Space group name H-MP3221
Components on special symmetry positions
IDModelComponents
11A-670-

HOH

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Components

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Protein , 1 types, 1 molecules A

#1: Protein DIHYDROOROTATE DEHYDROGENASE /


Mass: 39856.535 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Plasmid: PET19B / Production host: Escherichia coli (E. coli) / References: UniProt: Q02127, EC: 1.3.3.1

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Non-polymers , 6 types, 303 molecules

#2: Chemical ChemComp-SO4 / SULFATE ION / Sulfate


Mass: 96.063 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: SO4
#3: Chemical ChemComp-ACT / ACETATE ION / Acetate


Mass: 59.044 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C2H3O2
#4: Chemical ChemComp-A26 / (2Z)-2-cyano-3-hydroxy-N-[4-(trifluoromethyl)phenyl]but-2-enamide / ANTIPROLIFERATIVE AGENT A771726 / Teriflunomide


Mass: 270.207 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C12H9F3N2O2 / Comment: medication*YM
#5: Chemical ChemComp-FMN / FLAVIN MONONUCLEOTIDE / RIBOFLAVIN MONOPHOSPHATE / Flavin mononucleotide


Mass: 456.344 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C17H21N4O9P
#6: Chemical ChemComp-ORO / OROTIC ACID / Orotic acid


Mass: 156.096 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C5H4N2O4
#7: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 298 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 3.64 Å3/Da / Density % sol: 66.19 %
Crystal growTemperature: 293 K / Method: vapor diffusion
Details: ammonium sulphate, acetate buffer, glycerol, DDAO, C11DAO, A771726, orotate, VAPOR DIFFUSION, temperature 293K
Crystal grow
*PLUS
Temperature: 20 ℃ / Method: vapor diffusion, hanging drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formula
110 mg/mlprotein1drop
225 mM1dropC11DAO
3200 mM1dropNaCl
415 %glycerol1drop
50.5 mMEDTA1drop
625 mMHEPES1drop
70.05 Macetate1drop
810.4 mMDDAO1drop
91 mMDHO1drop
101.2-1.3 Mammonium sulfate1drop
110.5 mMA7717261drop
120.1 Macetate1reservoir
132.4-2.6 Mammonium sulfate1reservoir
1430 %glycerol1reservoir

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: CHESS / Beamline: A1 / Wavelength: 0.9134
DetectorType: ADSC QUANTUM 4 / Detector: CCD / Date: May 5, 1999
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9134 Å / Relative weight: 1
ReflectionResolution: 1.8→23.5 Å / Num. all: 55112 / Num. obs: 54515 / % possible obs: 98.9 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 4.9 % / Biso Wilson estimate: 15.7 Å2 / Rmerge(I) obs: 0.08 / Net I/σ(I): 16.1
Reflection shellResolution: 1.8→1.9 Å / Redundancy: 4.4 % / Rmerge(I) obs: 0.205 / Num. unique all: 7943 / % possible all: 100
Reflection
*PLUS
% possible obs: 99 % / Num. measured all: 264642 / Rmerge(I) obs: 0.079
Reflection shell
*PLUS
% possible obs: 99.8 % / Rmerge(I) obs: 0.204

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Processing

Software
NameVersionClassification
MOSFLMdata reduction
SCALAdata scaling
SHELXSphasing
CNS0.5refinement
CCP4(SCALA)data scaling
RefinementResolution: 1.8→30 Å / Rfactor Rfree error: 0.004 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / Stereochemistry target values: Engh & Huber / Details: Used weighted least squares procedure.
RfactorNum. reflection% reflectionSelection details
Rfree0.185 2713 5 %RANDOM
Rwork0.162 ---
obs0.162 53927 99 %-
all-55112 --
Solvent computationSolvent model: FLAT MODEL / Bsol: 63.87 Å2 / ksol: 0.428 e/Å3
Displacement parametersBiso mean: 21.6 Å2
Baniso -1Baniso -2Baniso -3
1-0.87 Å20.98 Å20 Å2
2--0.87 Å20 Å2
3----1.74 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.18 Å0.15 Å
Luzzati d res low-5 Å
Luzzati sigma a0.06 Å0.03 Å
Refinement stepCycle: LAST / Resolution: 1.8→30 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2778 0 70 298 3146
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.011
X-RAY DIFFRACTIONc_angle_deg2.1
X-RAY DIFFRACTIONc_dihedral_angle_d23.7
X-RAY DIFFRACTIONc_improper_angle_d2.12
X-RAY DIFFRACTIONc_mcbond_it3.691.5
X-RAY DIFFRACTIONc_mcangle_it4.952
X-RAY DIFFRACTIONc_scbond_it5.482
X-RAY DIFFRACTIONc_scangle_it7.82.5
LS refinement shellResolution: 1.8→1.91 Å / Rfactor Rfree error: 0.01 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.207 465 5.2 %
Rwork0.176 8495 -
obs--99.8 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMPROTEIN.TOP
X-RAY DIFFRACTION2LIGAND.PARLIGAND.TOP
X-RAY DIFFRACTION4WATER_REP.PARAMWATER.TOP
Software
*PLUS
Name: CNS / Version: 0.5 / Classification: refinement
Refinement
*PLUS
σ(F): 0 / % reflection Rfree: 5 %
Solvent computation
*PLUS
Displacement parameters
*PLUS
Biso mean: 21.6 Å2
Refine LS restraints
*PLUS
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_angle_deg2.1
X-RAY DIFFRACTIONc_dihedral_angle_d
X-RAY DIFFRACTIONc_dihedral_angle_deg23.7
X-RAY DIFFRACTIONc_improper_angle_d
X-RAY DIFFRACTIONc_improper_angle_deg2.12
X-RAY DIFFRACTIONc_mcbond_it3.691.5
X-RAY DIFFRACTIONc_scbond_it5.482
X-RAY DIFFRACTIONc_mcangle_it4.952
X-RAY DIFFRACTIONc_scangle_it7.82.5
LS refinement shell
*PLUS
Rfactor Rfree: 0.207 / % reflection Rfree: 5.2 % / Rfactor Rwork: 0.176 / Rfactor obs: 0.176

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