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- PDB-3k3e: Crystal structure of the PDE9A catalytic domain in complex with (... -

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Basic information

Entry
Database: PDB / ID: 3k3e
TitleCrystal structure of the PDE9A catalytic domain in complex with (R)-BAY73-6691
ComponentsHigh affinity cGMP-specific 3',5'-cyclic phosphodiesterase 9A
KeywordsHYDROLASE / PDE9 / catalytic domain / cGMP / Manganese / Metal-binding / Phosphoprotein
Function / homology
Function and homology information


cGMP metabolic process / negative regulation of neural precursor cell proliferation / 3',5'-cyclic-GMP phosphodiesterase / positive regulation of cardiac muscle hypertrophy / cGMP catabolic process / cGMP effects / 3',5'-cyclic-nucleotide phosphodiesterase activity / 3',5'-cyclic-GMP phosphodiesterase activity / 3',5'-cyclic-AMP phosphodiesterase activity / cAMP-mediated signaling ...cGMP metabolic process / negative regulation of neural precursor cell proliferation / 3',5'-cyclic-GMP phosphodiesterase / positive regulation of cardiac muscle hypertrophy / cGMP catabolic process / cGMP effects / 3',5'-cyclic-nucleotide phosphodiesterase activity / 3',5'-cyclic-GMP phosphodiesterase activity / 3',5'-cyclic-AMP phosphodiesterase activity / cAMP-mediated signaling / positive regulation of long-term synaptic potentiation / sarcolemma / ruffle membrane / perikaryon / perinuclear region of cytoplasm / Golgi apparatus / endoplasmic reticulum / signal transduction / nucleoplasm / identical protein binding / metal ion binding / plasma membrane / cytosol
Similarity search - Function
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. / Metal dependent phosphohydrolases with conserved 'HD' motif. ...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. / Metal dependent phosphohydrolases with conserved 'HD' motif. / HD/PDEase domain / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
Chem-PDB / High affinity cGMP-specific 3',5'-cyclic phosphodiesterase 9A
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.7 Å
AuthorsWang, H. / Luo, X. / Ye, M. / Hou, J. / Robinson, H. / Ke, H.
CitationJournal: J.Med.Chem. / Year: 2010
Title: Insight into Binding of Phosphodiesterase-9A Selective Inhibitors by Crystal Structures and Mutagenesis
Authors: Wang, H. / Luo, X. / Ye, M. / Hou, J. / Robinson, H. / Ke, H.
History
DepositionOct 2, 2009Deposition site: RCSB / Processing site: RCSB
Revision 1.0Feb 16, 2010Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Nov 13, 2013Group: Non-polymer description

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Structure visualization

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Assembly

Deposited unit
A: High affinity cGMP-specific 3',5'-cyclic phosphodiesterase 9A
B: High affinity cGMP-specific 3',5'-cyclic phosphodiesterase 9A
hetero molecules


Theoretical massNumber of molelcules
Total (without water)77,9868
Polymers77,0932
Non-polymers8936
Water28816
1


  • Idetical with deposited unit
  • defined by software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
2


  • Idetical with deposited unit
  • defined by software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)103.190, 103.190, 270.849
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number92
Space group name H-MP41212
DetailsAUTHORS STATE THAT THE BIOLOGICAL UNIT ASSEMBLY IS UNKNOWN.

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Components

#1: Protein High affinity cGMP-specific 3',5'-cyclic phosphodiesterase 9A


Mass: 38546.570 Da / Num. of mol.: 2 / Fragment: Catalytic domain: UNP residues 241-566
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: PDE9A, PDE9A2 / Plasmid: pET15b / Production host: Escherichia coli (E. coli) / Strain (production host): BL21
References: UniProt: O76083, 3',5'-cyclic-GMP phosphodiesterase
#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-PDB / 1-(2-chlorophenyl)-6-[(2R)-3,3,3-trifluoro-2-methylpropyl]-1,7-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one


Mass: 356.730 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C15H12ClF3N4O / Comment: inhibitor*YM
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 16 / 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: 4.68 Å3/Da / Density % sol: 73.7 %
Crystal growTemperature: 277 K / Method: vapor diffusion, hanging drop / pH: 7.5
Details: soaking PDE9A2-IBMX crystal in the buffer of 0.1 M HEPES pH 7.5, 3.6 M sodium formate, and 2 mM R6691 at 25 deg C for 3 days. The PDE9A2-IBMX crystals were grown by (1) mixing 10-15 mg/mL ...Details: soaking PDE9A2-IBMX crystal in the buffer of 0.1 M HEPES pH 7.5, 3.6 M sodium formate, and 2 mM R6691 at 25 deg C for 3 days. The PDE9A2-IBMX crystals were grown by (1) mixing 10-15 mg/mL PDE9A2 catalytic domain (amino acids 181-506) with 2 mM IBMX in a buffer of 50 mM NaCl, 20 mM Tris-HCl pH 7.5, 1 mM beta-mercaptoethanol, 1 mM EDTA, and (2) the vapor diffusion (hanging drop) at 4 deg C. The protein drops contained 2 microliters PDE9A2-IBMX complex and 2 microliters well solution of 0.1 M HEPES pH 7.5 and 3.0 M sodium formate, VAPOR DIFFUSION, HANGING DROP, temperature 277K

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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: Jun 5, 2009
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.1 Å / Relative weight: 1
ReflectionResolution: 2.7→30 Å / Num. obs: 41185 / % possible obs: 100 % / Observed criterion σ(I): 0 / Redundancy: 11 % / Rmerge(I) obs: 0.084 / Net I/σ(I): 12.2
Reflection shellResolution: 2.7→2.8 Å / Rmerge(I) obs: 0.59 / Mean I/σ(I) obs: 100 / % possible all: 100

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Processing

Software
NameVersionClassification
ADSCQuantumdata collection
AMoREphasing
CNS1.2refinement
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.7→30 Å / Isotropic thermal model: isotropic / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.258 3929 -random
Rwork0.23 ---
obs0.23 39257 95.5 %-
all-41128 --
Displacement parametersBiso mean: 57.4 Å2
Refinement stepCycle: LAST / Resolution: 2.7→30 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5264 0 52 16 5332
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.007
X-RAY DIFFRACTIONc_angle_deg1.2

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