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- PDB-5g57: Crystal structure of T. brucei PDE-B1 catalytic domain with inhib... -

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Basic information

Entry
Database: PDB / ID: 5g57
TitleCrystal structure of T. brucei PDE-B1 catalytic domain with inhibitor NPD-001
ComponentsPHOSPHODIESTERASE B1
KeywordsHYDROLASE / PARASITIC PDE / AFRICAN TRYPANOSOMIASIS / SLEEPING SICKNESS
Function / homology
Function and homology information


Hydrolases; Acting on ester bonds; Phosphoric-diester hydrolases / axoneme / 3',5'-cyclic-nucleotide phosphodiesterase activity / 3',5'-cyclic-AMP phosphodiesterase activity / cell morphogenesis / signal transduction / metal ion binding / cytoplasm
Similarity search - Function
Catalytic domain of cyclic nucleotide phosphodiesterase 4b2b / 3'5'-cyclic nucleotide phosphodiesterase, catalytic domain / GAF domain / 3'5'-cyclic nucleotide phosphodiesterase / Domain present in phytochromes and cGMP-specific phosphodiesterases. / 3'5'-cyclic nucleotide phosphodiesterase, catalytic domain / 3'5'-cyclic nucleotide phosphodiesterase, conserved site / 3'5'-cyclic nucleotide phosphodiesterase, catalytic domain superfamily / 3'5'-cyclic nucleotide phosphodiesterase / 3'5'-cyclic nucleotide phosphodiesterase domain signature. ...Catalytic domain of cyclic nucleotide phosphodiesterase 4b2b / 3'5'-cyclic nucleotide phosphodiesterase, catalytic domain / GAF domain / 3'5'-cyclic nucleotide phosphodiesterase / Domain present in phytochromes and cGMP-specific phosphodiesterases. / 3'5'-cyclic nucleotide phosphodiesterase, catalytic domain / 3'5'-cyclic nucleotide phosphodiesterase, conserved site / 3'5'-cyclic nucleotide phosphodiesterase, catalytic domain superfamily / 3'5'-cyclic nucleotide phosphodiesterase / 3'5'-cyclic nucleotide phosphodiesterase domain signature. / 3'5'-cyclic nucleotide phosphodiesterase domain profile. / GAF domain / GAF-like domain superfamily / Metal dependent phosphohydrolases with conserved 'HD' motif. / HD/PDEase domain / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
Chem-6M5 / FORMIC ACID / GUANIDINE / DI(HYDROXYETHYL)ETHER / Phosphodiesterase
Similarity search - Component
Biological speciesTRYPANOSOMA BRUCEI (eukaryote)
MethodX-RAY DIFFRACTION / SYNCHROTRON / OTHER / Resolution: 1.73 Å
AuthorsSingh, A.K. / Brown, D.G.
CitationJournal: J. Med. Chem. / Year: 2018
Title: Targeting a Subpocket in Trypanosoma brucei Phosphodiesterase B1 (TbrPDEB1) Enables the Structure-Based Discovery of Selective Inhibitors with Trypanocidal Activity.
Authors: Blaazer, A.R. / Singh, A.K. / de Heuvel, E. / Edink, E. / Orrling, K.M. / Veerman, J.J.N. / van den Bergh, T. / Jansen, C. / Balasubramaniam, E. / Mooij, W.J. / Custers, H. / Sijm, M. / ...Authors: Blaazer, A.R. / Singh, A.K. / de Heuvel, E. / Edink, E. / Orrling, K.M. / Veerman, J.J.N. / van den Bergh, T. / Jansen, C. / Balasubramaniam, E. / Mooij, W.J. / Custers, H. / Sijm, M. / Tagoe, D.N.A. / Kalejaiye, T.D. / Munday, J.C. / Tenor, H. / Matheeussen, A. / Wijtmans, M. / Siderius, M. / de Graaf, C. / Maes, L. / de Koning, H.P. / Bailey, D.S. / Sterk, G.J. / de Esch, I.J.P. / Brown, D.G. / Leurs, R.
History
DepositionMay 22, 2016Deposition site: PDBE / Processing site: PDBE
Revision 1.0Nov 29, 2017Provider: repository / Type: Initial release
Revision 1.1May 2, 2018Group: Data collection / Database references / Category: citation / citation_author
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_ASTM / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year
Revision 1.2May 23, 2018Group: Data collection / Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation.title / _citation_author.name
Revision 1.3Jan 30, 2019Group: Data collection / Experimental preparation / Category: exptl_crystal_grow / Item: _exptl_crystal_grow.method
Revision 1.4Feb 6, 2019Group: Data collection / Experimental preparation / Category: exptl_crystal_grow / Item: _exptl_crystal_grow.temp

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: PHOSPHODIESTERASE B1
B: PHOSPHODIESTERASE B1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)83,94426
Polymers81,2472
Non-polymers2,69724
Water8,935496
1
A: PHOSPHODIESTERASE B1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)42,04214
Polymers40,6231
Non-polymers1,41813
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
2
B: PHOSPHODIESTERASE B1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)41,90212
Polymers40,6231
Non-polymers1,27911
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)116.420, 115.090, 68.760
Angle α, β, γ (deg.)90.00, 108.08, 90.00
Int Tables number5
Space group name H-MC121
Components on special symmetry positions
IDModelComponents
11A-2148-

HOH

21A-2205-

HOH

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Components

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Protein , 1 types, 2 molecules AB

#1: Protein PHOSPHODIESTERASE B1


Mass: 40623.340 Da / Num. of mol.: 2 / Fragment: CATALYTIC DOMAIN, UNP RESIDUES 565-918
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) TRYPANOSOMA BRUCEI (eukaryote) / Strain: LISTER 427 / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21(DE3)
References: UniProt: Q8WQX9, Hydrolases; Acting on ester bonds; Phosphoric-diester hydrolases

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Non-polymers , 8 types, 520 molecules

#2: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Zn
#3: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Mg
#4: Chemical ChemComp-FMT / FORMIC ACID / Formic acid


Mass: 46.025 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: CH2O2
#5: Chemical
ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL / Glycerol


Mass: 92.094 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: C3H8O3
#6: Chemical ChemComp-PEG / DI(HYDROXYETHYL)ETHER / Diethylene glycol


Mass: 106.120 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C4H10O3
#7: Chemical
ChemComp-GAI / GUANIDINE / Guanidine


Mass: 59.070 Da / Num. of mol.: 7 / Source method: obtained synthetically / Formula: CH5N3
#8: Chemical ChemComp-6M5 / (4~{a}~{S},8~{a}~{R})-2-cycloheptyl-4-[4-methoxy-3-[4-[4-(1~{H}-1,2,3,4-tetrazol-5-yl)phenoxy]butoxy]phenyl]-4~{a},5,8,8~{a}-tetrahydrophthalazin-1-one


Mass: 584.708 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C33H40N6O4
#9: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 496 / 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: 2.74 Å3/Da / Density % sol: 55.09 % / Description: NONE
Crystal growTemperature: 277 K / Method: vapor diffusion, hanging drop / pH: 6.5
Details: 20% PEG 3350, 0.4 M SODIUM FORMATE, 0.3 M GUANIDINE, 0.1 M MES PH 6.5; VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 4 DEGREES

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: Diamond / Beamline: I03 / Wavelength: 0.97623
DetectorType: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Mar 8, 2016 / Details: CRL
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97623 Å / Relative weight: 1
ReflectionResolution: 1.73→79.77 Å / Num. obs: 88979 / % possible obs: 99.3 % / Observed criterion σ(I): 0 / Redundancy: 3.3 % / Rmerge(I) obs: 0.05 / Net I/σ(I): 13.4
Reflection shellResolution: 1.73→1.77 Å / Redundancy: 2.9 % / Rmerge(I) obs: 0.84 / Mean I/σ(I) obs: 1.3 / % possible all: 99.6

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Processing

Software
NameVersionClassification
REFMAC5.8.0135refinement
XDSdata reduction
Aimlessdata scaling
RefinementMethod to determine structure: OTHER
Starting model: NONE

Resolution: 1.73→79.77 Å / Cor.coef. Fo:Fc: 0.975 / Cor.coef. Fo:Fc free: 0.967 / SU B: 2.505 / SU ML: 0.074 / Cross valid method: THROUGHOUT / ESU R: 0.088 / ESU R Free: 0.086 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.18329 4375 4.9 %RANDOM
Rwork0.15906 ---
obs0.16026 84604 99.3 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Refinement stepCycle: LAST / Resolution: 1.73→79.77 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5260 0 179 496 5935
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0130.0195535
X-RAY DIFFRACTIONr_bond_other_d0.0020.025282
X-RAY DIFFRACTIONr_angle_refined_deg1.4941.9637459
X-RAY DIFFRACTIONr_angle_other_deg0.9982.97712113
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.2525663
X-RAY DIFFRACTIONr_dihedral_angle_2_deg34.13124.163257
X-RAY DIFFRACTIONr_dihedral_angle_3_deg13.08915933
X-RAY DIFFRACTIONr_dihedral_angle_4_deg11.5111535
X-RAY DIFFRACTIONr_chiral_restr0.0940.2837
X-RAY DIFFRACTIONr_gen_planes_refined0.0070.026214
X-RAY DIFFRACTIONr_gen_planes_other0.0020.021330
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_it2.1922.9932658
X-RAY DIFFRACTIONr_mcbond_other2.1912.9912657
X-RAY DIFFRACTIONr_mcangle_it3.1724.4743319
X-RAY DIFFRACTIONr_mcangle_other3.1714.4763320
X-RAY DIFFRACTIONr_scbond_it3.3413.4322877
X-RAY DIFFRACTIONr_scbond_other3.343.4332878
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_scangle_other5.1264.9684141
X-RAY DIFFRACTIONr_long_range_B_refined7.01225.5896860
X-RAY DIFFRACTIONr_long_range_B_other7.01225.5916861
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 1.73→1.775 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.331 346 -
Rwork0.327 6260 -
obs--99.56 %

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