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- PDB-6imo: Crystal structure of PDE4D complexed with a novel inhibitor -

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Basic information

Entry
Database: PDB / ID: 6imo
TitleCrystal structure of PDE4D complexed with a novel inhibitor
ComponentscAMP-specific 3',5'-cyclic phosphodiesterase 4D
KeywordsHYDROLASE/HYDROLASE INHIBITOR / PDE4D / Inhibitor / Complex / HYDROLASE-HYDROLASE INHIBITOR complex
Function / homology
Function and homology information


signaling receptor regulator activity / negative regulation of relaxation of cardiac muscle / negative regulation of heart contraction / 3',5'-cyclic-AMP phosphodiesterase / positive regulation of interleukin-5 production / regulation of cardiac muscle cell contraction / establishment of endothelial barrier / negative regulation of cAMP-mediated signaling / beta-2 adrenergic receptor binding / regulation of calcium ion transmembrane transport via high voltage-gated calcium channel ...signaling receptor regulator activity / negative regulation of relaxation of cardiac muscle / negative regulation of heart contraction / 3',5'-cyclic-AMP phosphodiesterase / positive regulation of interleukin-5 production / regulation of cardiac muscle cell contraction / establishment of endothelial barrier / negative regulation of cAMP-mediated signaling / beta-2 adrenergic receptor binding / regulation of calcium ion transmembrane transport via high voltage-gated calcium channel / positive regulation of heart rate / heterocyclic compound binding / adrenergic receptor signaling pathway / voltage-gated calcium channel complex / regulation of cell communication by electrical coupling involved in cardiac conduction / cAMP catabolic process / calcium channel regulator activity / cAMP-mediated signaling / 3',5'-cyclic-nucleotide phosphodiesterase activity / 3',5'-cyclic-AMP phosphodiesterase activity / DARPP-32 events / negative regulation of peptidyl-serine phosphorylation / regulation of release of sequestered calcium ion into cytosol by sarcoplasmic reticulum / cAMP binding / cellular response to cAMP / cellular response to epinephrine stimulus / calcium channel complex / positive regulation of interleukin-2 production / regulation of heart rate / positive regulation of type II interferon production / ATPase binding / T cell receptor signaling pathway / G alpha (s) signalling events / scaffold protein binding / transmembrane transporter binding / apical plasma membrane / centrosome / perinuclear region of cytoplasm / enzyme binding / signal transduction / membrane / metal ion binding / nucleus / plasma membrane / cytosol
Similarity search - Function
Phosphodiesterase 4 upstream conserved regions (UCR) / Phosphodiesterase 4 upstream conserved regions (UCR) / Catalytic domain of cyclic nucleotide phosphodiesterase 4b2b / 3'5'-cyclic nucleotide phosphodiesterase, catalytic domain / 3'5'-cyclic nucleotide phosphodiesterase / 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. ...Phosphodiesterase 4 upstream conserved regions (UCR) / Phosphodiesterase 4 upstream conserved regions (UCR) / Catalytic domain of cyclic nucleotide phosphodiesterase 4b2b / 3'5'-cyclic nucleotide phosphodiesterase, catalytic domain / 3'5'-cyclic nucleotide phosphodiesterase / 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. / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
Chem-AJL / 3',5'-cyclic-AMP phosphodiesterase 4D
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.55 Å
AuthorsZhang, X.L. / Su, H.X. / Xu, Y.C.
Funding support China, 1items
OrganizationGrant numberCountry
China
CitationJournal: J.Med.Chem. / Year: 2019
Title: Structure-Aided Identification and Optimization of Tetrahydro-isoquinolines as Novel PDE4 Inhibitors Leading to Discovery of an Effective Antipsoriasis Agent.
Authors: Zhang, X. / Dong, G. / Li, H. / Chen, W. / Li, J. / Feng, C. / Gu, Z. / Zhu, F. / Zhang, R. / Li, M. / Tang, W. / Liu, H. / Xu, Y.
History
DepositionOct 23, 2018Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Oct 23, 2019Provider: repository / Type: Initial release
Revision 1.1Nov 22, 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 / pdbx_struct_conn_angle / struct_conn
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr1_symmetry / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _struct_conn.ptnr2_symmetry

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: cAMP-specific 3',5'-cyclic phosphodiesterase 4D
B: cAMP-specific 3',5'-cyclic phosphodiesterase 4D
hetero molecules


Theoretical massNumber of molelcules
Total (without water)81,84221
Polymers80,1932
Non-polymers1,64919
Water7,548419
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4610 Å2
ΔGint-73 kcal/mol
Surface area26150 Å2
MethodPISA
Unit cell
Length a, b, c (Å)58.547, 80.477, 163.861
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

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Protein , 1 types, 2 molecules AB

#1: Protein cAMP-specific 3',5'-cyclic phosphodiesterase 4D / PDE4D / DPDE3 / PDE43


Mass: 40096.355 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: PDE4D, DPDE3 / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3)
References: UniProt: Q08499, 3',5'-cyclic-AMP phosphodiesterase

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Non-polymers , 5 types, 438 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.: 3 / Source method: obtained synthetically / Formula: Mg
#4: Chemical ChemComp-AJL / (1S)-1-[(1H-indol-3-yl)methyl]-6,7-dimethoxy-3,4-dihydroisoquinoline-2(1H)-carbaldehyde


Mass: 350.411 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C21H22N2O3
#5: Chemical
ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL / Ethylene glycol


Mass: 62.068 Da / Num. of mol.: 12 / Source method: obtained synthetically / Formula: C2H6O2
#6: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 419 / 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: 2.41 Å3/Da / Density % sol: 48.9 %
Crystal growTemperature: 277 K / Method: vapor diffusion, hanging drop / pH: 7
Details: 0.1 M HEPES, 0.2 M MgCl2, 10% Isoprpanol, 30% EG, 18% PEG 3350

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: SSRF / Beamline: BL19U1 / Wavelength: 0.979 Å
DetectorType: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Jun 21, 2018
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.979 Å / Relative weight: 1
ReflectionResolution: 1.55→29.273 Å / Num. obs: 113005 / % possible obs: 97.37 % / Redundancy: 12.8 % / Net I/σ(I): 7.4
Reflection shellResolution: 1.55→1.567 Å / CC1/2: 0.82

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Processing

Software
NameVersionClassification
PHENIX(1.12_2829: ???)refinement
HKL-3000data reduction
HKL-3000data scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 1TB7

1tb7


Resolution: 1.55→29.273 Å / SU ML: 0.17 / Cross valid method: FREE R-VALUE / σ(F): 1.35 / Phase error: 22.82
RfactorNum. reflection% reflection
Rfree0.225 5439 4.94 %
Rwork0.2056 --
obs0.2066 110062 97.37 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å
Refinement stepCycle: LAST / Resolution: 1.55→29.273 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5113 0 105 419 5637
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0065364
X-RAY DIFFRACTIONf_angle_d0.7437286
X-RAY DIFFRACTIONf_dihedral_angle_d3.1363228
X-RAY DIFFRACTIONf_chiral_restr0.044844
X-RAY DIFFRACTIONf_plane_restr0.005933
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
1.5497-1.56730.26091170.25462150X-RAY DIFFRACTION62
1.5673-1.58570.27361470.24382717X-RAY DIFFRACTION76
1.5857-1.60510.25561490.24213053X-RAY DIFFRACTION87
1.6051-1.62540.26641640.24483479X-RAY DIFFRACTION97
1.6254-1.64680.26191870.24353481X-RAY DIFFRACTION99
1.6468-1.66930.27081710.23813578X-RAY DIFFRACTION100
1.6693-1.69320.28221940.25563501X-RAY DIFFRACTION100
1.6932-1.71850.25582000.24373558X-RAY DIFFRACTION100
1.7185-1.74530.26871810.23643536X-RAY DIFFRACTION100
1.7453-1.77390.28952020.23463549X-RAY DIFFRACTION100
1.7739-1.80450.24451730.23343527X-RAY DIFFRACTION100
1.8045-1.83730.25661790.22883581X-RAY DIFFRACTION100
1.8373-1.87260.26381690.23113543X-RAY DIFFRACTION100
1.8726-1.91090.23851620.22063589X-RAY DIFFRACTION100
1.9109-1.95240.25611750.22183605X-RAY DIFFRACTION100
1.9524-1.99780.24811990.22623525X-RAY DIFFRACTION100
1.9978-2.04780.22171810.22393546X-RAY DIFFRACTION100
2.0478-2.10310.2381960.21573567X-RAY DIFFRACTION100
2.1031-2.1650.23921810.2093604X-RAY DIFFRACTION100
2.165-2.23480.24992070.20553519X-RAY DIFFRACTION100
2.2348-2.31470.22651660.21053622X-RAY DIFFRACTION100
2.3147-2.40730.23931830.2043554X-RAY DIFFRACTION100
2.4073-2.51680.25051870.20223610X-RAY DIFFRACTION100
2.5168-2.64940.2172000.20463580X-RAY DIFFRACTION100
2.6494-2.81530.20831990.20313590X-RAY DIFFRACTION100
2.8153-3.03250.21651800.19973624X-RAY DIFFRACTION100
3.0325-3.33720.20931960.19593639X-RAY DIFFRACTION100
3.3372-3.81920.21471820.18563666X-RAY DIFFRACTION100
3.8192-4.80840.1662080.1653672X-RAY DIFFRACTION100
4.8084-29.27870.18882040.18063858X-RAY DIFFRACTION100

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