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- PDB-4y2u: Structure of soluble epoxide hydrolase in complex with tert-butyl... -

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Basic information

Entry
Database: PDB / ID: 4y2u
TitleStructure of soluble epoxide hydrolase in complex with tert-butyl 1,2,3,4-tetrahydroquinolin-3-ylcarbamate
ComponentsBifunctional epoxide hydrolase 2
KeywordsOXIDOREDUCTASE/OXIDOREDUCTASE INHIBITOR / hydrolase / OXIDOREDUCTASE-OXIDOREDUCTASE INHIBITOR complex
Function / homology
Function and homology information


lipid-phosphate phosphatase / 10-hydroxy-9-(phosphonooxy)octadecanoate phosphatase activity / stilbene catabolic process / phospholipid dephosphorylation / lipid phosphatase activity / Biosynthesis of maresins / soluble epoxide hydrolase / epoxide metabolic process / lysophosphatidic acid phosphatase activity / Synthesis of epoxy (EET) and dihydroxyeicosatrienoic acids (DHET) ...lipid-phosphate phosphatase / 10-hydroxy-9-(phosphonooxy)octadecanoate phosphatase activity / stilbene catabolic process / phospholipid dephosphorylation / lipid phosphatase activity / Biosynthesis of maresins / soluble epoxide hydrolase / epoxide metabolic process / lysophosphatidic acid phosphatase activity / Synthesis of epoxy (EET) and dihydroxyeicosatrienoic acids (DHET) / epoxide hydrolase activity / regulation of cholesterol metabolic process / dephosphorylation / phosphatase activity / peroxisomal matrix / toxic substance binding / cholesterol homeostasis / Peroxisomal protein import / response to toxic substance / peroxisome / positive regulation of gene expression / magnesium ion binding / protein homodimerization activity / extracellular exosome / cytosol
Similarity search - Function
Predicted HAD-superfamily phosphatase, subfamily IA/Epoxide hydrolase, N-terminal / Putative phosphatase; domain 2 / Phosphoglycolate phosphatase-like, domain 2 / HAD hydrolase, subfamily IA / Epoxide hydrolase-like / HAD superfamily/HAD-like / alpha/beta hydrolase fold / haloacid dehalogenase-like hydrolase / Alpha/beta hydrolase fold-1 / HAD superfamily ...Predicted HAD-superfamily phosphatase, subfamily IA/Epoxide hydrolase, N-terminal / Putative phosphatase; domain 2 / Phosphoglycolate phosphatase-like, domain 2 / HAD hydrolase, subfamily IA / Epoxide hydrolase-like / HAD superfamily/HAD-like / alpha/beta hydrolase fold / haloacid dehalogenase-like hydrolase / Alpha/beta hydrolase fold-1 / HAD superfamily / HAD-like superfamily / Alpha/Beta hydrolase fold, catalytic domain / DNA polymerase; domain 1 / Alpha/Beta hydrolase fold / Rossmann fold / Orthogonal Bundle / 3-Layer(aba) Sandwich / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
Chem-49R / Bifunctional epoxide hydrolase 2
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.75 Å
AuthorsAmano, Y. / Yamaguchi, T.
CitationJournal: Bioorg.Med.Chem. / Year: 2015
Title: Identification of N-ethylmethylamine as a novel scaffold for inhibitors of soluble epoxide hydrolase by crystallographic fragment screening
Authors: Amano, Y. / Tanabe, E. / Yamaguchi, T.
History
DepositionFeb 10, 2015Deposition site: RCSB / Processing site: PDBJ
Revision 1.0May 6, 2015Provider: repository / Type: Initial release
Revision 1.1Feb 5, 2020Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Source and taxonomy
Category: citation / diffrn_source ...citation / diffrn_source / entity_src_gen / pdbx_struct_assembly / pdbx_struct_assembly_prop / pdbx_struct_oper_list
Item: _citation.journal_id_CSD / _diffrn_source.pdbx_synchrotron_site ..._citation.journal_id_CSD / _diffrn_source.pdbx_synchrotron_site / _entity_src_gen.pdbx_alt_source_flag / _pdbx_struct_assembly.oligomeric_details / _pdbx_struct_assembly_prop.type / _pdbx_struct_assembly_prop.value / _pdbx_struct_oper_list.symmetry_operation
Revision 1.2Nov 8, 2023Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Bifunctional epoxide hydrolase 2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)63,7873
Polymers63,5151
Non-polymers2732
Water1267
1
A: Bifunctional epoxide hydrolase 2
hetero molecules

A: Bifunctional epoxide hydrolase 2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)127,5746
Polymers127,0292
Non-polymers5454
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation11_455-x+y-1,y,-z+1/21
Buried area4490 Å2
ΔGint-29 kcal/mol
Surface area42860 Å2
MethodPISA
Unit cell
Length a, b, c (Å)92.313, 92.313, 243.425
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number179
Space group name H-MP6522

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Components

#1: Protein Bifunctional epoxide hydrolase 2


Mass: 63514.512 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: EPHX2 / Production host: Escherichia coli (E. coli) / References: UniProt: P34913, soluble epoxide hydrolase
#2: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Mg
#3: Chemical ChemComp-49R / tert-butyl (3R)-1,2,3,4-tetrahydroquinolin-3-ylcarbamate


Mass: 248.321 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C14H20N2O2
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 7 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION

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Sample preparation

CrystalDensity Matthews: 2.36 Å3/Da / Density % sol: 47.82 %
Crystal growTemperature: 298 K / Method: vapor diffusion, sitting drop / pH: 7.5
Details: Potassium phosphate, Ammonium dihydrogen phosphate, PEG3350

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Data collection

DiffractionMean temperature: 90 K
Diffraction sourceSource: SYNCHROTRON / Site: Photon Factory / Beamline: AR-NW12A / Wavelength: 1 Å
DetectorType: ADSC QUANTUM 210 / Detector: CCD / Date: May 31, 2007
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.75→100 Å / Num. obs: 15828 / % possible obs: 94.1 % / Redundancy: 7.3 % / Net I/σ(I): 19.4
Reflection shellResolution: 2.75→2.85 Å / Redundancy: 7.4 % / Mean I/σ(I) obs: 4.3 / % possible all: 96.1

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Processing

Software
NameVersionClassification
REFMAC5.8.0049refinement
HKL-2000data reduction
HKL-2000data scaling
AMoREphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 1S8O

1s8o


Resolution: 2.75→79.95 Å / Cor.coef. Fo:Fc: 0.944 / Cor.coef. Fo:Fc free: 0.882 / SU B: 12.809 / SU ML: 0.258 / Cross valid method: THROUGHOUT / ESU R Free: 0.389 / Stereochemistry target values: MAXIMUM LIKELIHOOD
RfactorNum. reflection% reflectionSelection details
Rfree0.25308 799 5.1 %RANDOM
Rwork0.18027 ---
obs0.18379 15017 94.41 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 33.749 Å2
Baniso -1Baniso -2Baniso -3
1--0.02 Å2-0.01 Å20 Å2
2---0.02 Å20 Å2
3---0.07 Å2
Refinement stepCycle: 1 / Resolution: 2.75→79.95 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4323 0 19 7 4349
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0120.0194451
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.7681.9776033
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.7095545
X-RAY DIFFRACTIONr_dihedral_angle_2_deg34.50124.167192
X-RAY DIFFRACTIONr_dihedral_angle_3_deg19.46115783
X-RAY DIFFRACTIONr_dihedral_angle_4_deg22.4861526
X-RAY DIFFRACTIONr_chiral_restr0.1080.2659
X-RAY DIFFRACTIONr_gen_planes_refined0.0070.0213355
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it2.1283.2192183
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it3.4264.8232727
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it2.9043.4652266
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_scangle_other
X-RAY DIFFRACTIONr_long_range_B_refined7.53926.7776680
X-RAY DIFFRACTIONr_long_range_B_other
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 2.751→2.822 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.329 67 -
Rwork0.253 1079 -
obs--96.3 %

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