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- PDB-3bjc: Crystal structure of the PDE5A catalytic domain in complex with a... -

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Basic information

Entry
Database: PDB / ID: 3bjc
TitleCrystal structure of the PDE5A catalytic domain in complex with a novel inhibitor
ComponentscGMP-specific 3',5'-cyclic phosphodiesterase
KeywordsHYDROLASE / PDE5 / erectile dysfunction / inhibitor design / Allosteric enzyme / Alternative splicing / cGMP / cGMP-binding / Magnesium / Metal-binding / Nucleotide-binding / Phosphoprotein / Polymorphism / Zinc
Function / homology
Function and homology information


positive regulation of oocyte development / 3',5'-cyclic-GMP phosphodiesterase / regulation of nitric oxide mediated signal transduction / negative regulation of cardiac muscle contraction / oocyte development / RHOBTB1 GTPase cycle / relaxation of cardiac muscle / positive regulation of cardiac muscle hypertrophy / cGMP catabolic process / cGMP effects ...positive regulation of oocyte development / 3',5'-cyclic-GMP phosphodiesterase / regulation of nitric oxide mediated signal transduction / negative regulation of cardiac muscle contraction / oocyte development / RHOBTB1 GTPase cycle / relaxation of cardiac muscle / positive regulation of cardiac muscle hypertrophy / cGMP catabolic process / cGMP effects / 3',5'-cyclic-GMP phosphodiesterase activity / cGMP binding / 3',5'-cyclic-nucleotide phosphodiesterase activity / Smooth Muscle Contraction / T cell proliferation / negative regulation of T cell proliferation / signal transduction / metal ion binding / cytosol
Similarity search - Function
Catalytic domain of cyclic nucleotide phosphodiesterase 4b2b / 3'5'-cyclic nucleotide phosphodiesterase, catalytic domain / 3'5'-cyclic nucleotide phosphodiesterase / GAF domain / 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. ...Catalytic domain of cyclic nucleotide phosphodiesterase 4b2b / 3'5'-cyclic nucleotide phosphodiesterase, catalytic domain / 3'5'-cyclic nucleotide phosphodiesterase / GAF domain / 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. / Domain present in phytochromes and cGMP-specific phosphodiesterases. / 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-WAN / cGMP-specific 3',5'-cyclic phosphodiesterase
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2 Å
AuthorsChen, G. / Wang, H. / Howard, R. / Cai, J. / Wan, Y. / Ke, H.
CitationJournal: BIOCHEM.PHARM. / Year: 2008
Title: An insight into the pharmacophores of phosphodiesterase-5 inhibitors from synthetic and crystal structural studies
Authors: Chen, G. / Wang, H. / Robinson, H. / Cai, J. / Wan, Y. / Ke, H.
History
DepositionDec 3, 2007Deposition site: RCSB / Processing site: RCSB
Revision 1.0Apr 29, 2008Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Feb 21, 2024Group: Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / struct_conn / 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_conn.pdbx_dist_value / _struct_conn.ptnr1_label_atom_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_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.3Apr 3, 2024Group: Refinement description / Category: pdbx_initial_refinement_model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: cGMP-specific 3',5'-cyclic phosphodiesterase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)100,9074
Polymers100,4201
Non-polymers4873
Water2,090116
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)73.755, 73.755, 132.509
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number152
Space group name H-MP3121

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Components

#1: Protein cGMP-specific 3',5'-cyclic phosphodiesterase / CGB-PDE / cGMP-binding cGMP-specific phosphodiesterase


Mass: 100420.141 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: PDE5A, PDE5 / Plasmid: pET15b / Species (production host): Escherichia coli / Production host: Escherichia coli BL21 (bacteria) / Strain (production host): BL21
References: UniProt: O76074, 3',5'-cyclic-GMP phosphodiesterase
#2: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Zn
#3: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Mg
#4: Chemical ChemComp-WAN / 5-ethoxy-4-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)thiophene-2-sulfonamide


Mass: 397.472 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C15H19N5O4S2
#5: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 116 / 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

Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 7.5
Details: The PDE5A1-12 complex was prepared by mixing 1 mM compound 12 with 15 mg/mL PDE5A1 that was stored in a buffer of 20 mM Tris.base, pH 7.5, 50 mM NaCl, 1 mM beta-mercaptoethanol, and 1 mM ...Details: The PDE5A1-12 complex was prepared by mixing 1 mM compound 12 with 15 mg/mL PDE5A1 that was stored in a buffer of 20 mM Tris.base, pH 7.5, 50 mM NaCl, 1 mM beta-mercaptoethanol, and 1 mM EDTA. The protein drop was prepared by mixing protein with well buffer and crystallized against a well buffer of 2.0 M sodium formate, 0.1 M sodium citrate, pH 5.6, 5% ethanol at 298K, VAPOR DIFFUSION, HANGING DROP

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: NSLS / Beamline: X29A / Wavelength: 1.1 Å
DetectorType: ADSC QUANTUM 315 / Detector: CCD / Date: Sep 5, 2006
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.1 Å / Relative weight: 1
ReflectionResolution: 2→30 Å / Num. obs: 26266 / % possible obs: 91.1 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 9.3 % / Rmerge(I) obs: 0.073 / Net I/σ(I): 11
Reflection shellResolution: 2→2.1 Å / Rmerge(I) obs: 0.35 / Mean I/σ(I) obs: 2 / % possible all: 49.8

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Processing

Software
NameVersionClassification
ADSCQuantumdata collection
AMoREphasing
CNSrefinement
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDE5 catalytic domain in complex with IBMX

Resolution: 2→30 Å / Isotropic thermal model: isotropic / σ(F): 0 / σ(I): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflectionSelection details
Rfree0.221 2534 random
Rwork0.197 --
obs-25314 -
Displacement parametersBiso mean: 38.5 Å2
Refinement stepCycle: LAST / Resolution: 2→30 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2521 0 28 116 2665
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.005
X-RAY DIFFRACTIONc_angle_deg1.2

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