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- PDB-3tjx: Crystal Structure of Leishmania major dihydroorotate dehydrogenas... -

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Basic information

Entry
Database: PDB / ID: 3tjx
TitleCrystal Structure of Leishmania major dihydroorotate dehydrogenase mutant H174A
ComponentsDihydroorotate dehydrogenase
KeywordsOXIDOREDUCTASE / dihydroorotate dehydrogenase / pyrd / DHODH / LmDHODH / mutation H174A / Leishmania major
Function / homology
Function and homology information


dihydroorotate dehydrogenase (fumarate) / dihydroorotate dehydrogenase (fumarate) activity / fumarate metabolic process / dihydroorotate dehydrogenase activity / ciliary plasm / 'de novo' UMP biosynthetic process / 'de novo' pyrimidine nucleobase biosynthetic process / nucleotide binding / nucleoplasm / cytoplasm
Similarity search - Function
Dihydroorotate Dehydrogenase A; chain A, domain 2 / Dihydroorotate Dehydrogenase A, chain A, domain 2 / Dihydroorotate dehydrogenase, class 1A / Dihydroorotate dehydrogenase, class 1/ 2 / : / Dihydroorotate dehydrogenase domain / Dihydroorotate dehydrogenase / Aldolase class I / Aldolase-type TIM barrel / Roll ...Dihydroorotate Dehydrogenase A; chain A, domain 2 / Dihydroorotate Dehydrogenase A, chain A, domain 2 / Dihydroorotate dehydrogenase, class 1A / Dihydroorotate dehydrogenase, class 1/ 2 / : / Dihydroorotate dehydrogenase domain / Dihydroorotate dehydrogenase / Aldolase class I / Aldolase-type TIM barrel / Roll / TIM Barrel / Alpha-Beta Barrel / Mainly Beta / Alpha Beta
Similarity search - Domain/homology
FLAVIN MONONUCLEOTIDE / Dihydroorotate dehydrogenase (fumarate)
Similarity search - Component
Biological speciesLeishmania major (eukaryote)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.64 Å
Authorsde Souza, A.L. / Nonato, M.C. / Pinheiro, M.P.
CitationJournal: To be Published
Title: Crystal Structure of Leishmania major dihydroorotate dehydrogenase mutant H174A
Authors: de Souza, A.L. / Nonato, M.C. / Pinheiro, M.P.
History
DepositionAug 25, 2011Deposition site: RCSB / Processing site: RCSB
Revision 1.0Sep 12, 2012Provider: repository / Type: Initial release
Revision 1.1Sep 13, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details / _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

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Assembly

Deposited unit
A: Dihydroorotate dehydrogenase
B: Dihydroorotate dehydrogenase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)78,39916
Polymers76,3572
Non-polymers2,04214
Water9,602533
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area8450 Å2
ΔGint-101 kcal/mol
Surface area21670 Å2
MethodPISA
Unit cell
Length a, b, c (Å)143.660, 143.660, 69.680
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number169
Space group name H-MP61

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Components

#1: Protein Dihydroorotate dehydrogenase


Mass: 38178.574 Da / Num. of mol.: 2 / Mutation: H174A
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Leishmania major (eukaryote) / Strain: Friedlin / Gene: DHODH, lmjf16.0530, LMJF_16_0530 / Plasmid: pET28a / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3) / References: UniProt: Q4QEW7, EC: 1.3.3.1
#2: Chemical ChemComp-FMN / FLAVIN MONONUCLEOTIDE / RIBOFLAVIN MONOPHOSPHATE


Mass: 456.344 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C17H21N4O9P
#3: Chemical
ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 6 / Source method: obtained synthetically / Formula: C3H8O3
#4: Chemical
ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 6 / Source method: obtained synthetically / Formula: SO4
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 533 / 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: 2.72 Å3/Da / Density % sol: 54.75 %
Crystal growTemperature: 295 K / Method: vapor diffusion, sitting drop / pH: 5.6
Details: 0.1M sodium citrate tribasic dihydrate, 1.3M lithium sulfate, 0.30M amonium sulfate, VAPOR DIFFUSION, SITTING DROP, temperature 295K, pH 5.6

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: LNLS / Beamline: W01B-MX2 / Wavelength: 1.4586 Å
DetectorType: MARMOSAIC 225 mm CCD / Detector: CCD / Date: Apr 28, 2010
RadiationMonochromator: Si Monochromator / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.4586 Å / Relative weight: 1
ReflectionResolution: 1.64→24.52 Å / Num. obs: 100794 / % possible obs: 99.9 % / Observed criterion σ(I): 2.5 / Redundancy: 4.5 % / Biso Wilson estimate: 20.86 Å2 / Rmerge(I) obs: 0.073 / Rsym value: 0.073 / Net I/σ(I): 15.5
Reflection shellResolution: 1.64→1.73 Å / Redundancy: 4.4 % / Rmerge(I) obs: 0.309 / Mean I/σ(I) obs: 3.7 / Num. unique all: 14685 / Rsym value: 0.309 / % possible all: 100

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Processing

Software
NameVersionClassification
MAR345dtbdata collection
MOLREPphasing
REFMAC5.6.0117refinement
MOSFLMdata reduction
SCALAdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 3GYE

3gye


Resolution: 1.64→24.52 Å / Cor.coef. Fo:Fc: 0.967 / Cor.coef. Fo:Fc free: 0.961 / Cross valid method: THROUGHOUT / σ(I): 2.4 / ESU R Free: 0.076 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN USED IF PRESENT IN THE INPUT
RfactorNum. reflection% reflectionSelection details
Rfree0.1887 5030 5 %RANDOM
Rwork0.17072 ---
obs0.17163 95717 99.91 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 20.86 Å2
Baniso -1Baniso -2Baniso -3
1--0 Å2-0 Å20 Å2
2---0 Å20 Å2
3---0 Å2
Refinement stepCycle: LAST / Resolution: 1.64→24.52 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4603 0 128 533 5264
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0050.0195102
X-RAY DIFFRACTIONr_angle_refined_deg1.1121.9996945
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.55669
X-RAY DIFFRACTIONr_dihedral_angle_2_deg38.36624.354209
X-RAY DIFFRACTIONr_dihedral_angle_3_deg11.34215848
X-RAY DIFFRACTIONr_dihedral_angle_4_deg13.1211527
X-RAY DIFFRACTIONr_chiral_restr0.0780.2768
X-RAY DIFFRACTIONr_gen_planes_refined0.0060.0213885
LS refinement shellResolution: 1.637→1.679 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.298 336 -
Rwork0.267 7056 -
obs--100 %

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