6LZZ

Crystal structure of the PDE9 catalytic domain in complex with inhibitor 4a


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP2770.1M HEPES (pH 7.5), 2.5M Na formate, 5% xylitol
Crystal Properties
Matthews coefficientSolvent content
4.7173.87

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 103.383α = 90
b = 103.383β = 90
c = 268.366γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDOXFORD ONYX CCD2019-09-10MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SEALED TUBEBRUKER IMUS MICROFOCUS1.5418

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.421.87299.670.1770.1870.058188.65756931.4864973288
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.42.4999.80.7160.7790.3040.821.86.3

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTNONE2HD12.4000375223821.8717281042.013903702457569283499.67104693640.2554488546610.2534198079510.29541261511235.8080136684
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d17.941117787
f_angle_d1.04885446494
f_chiral_restr0.0532399563088
f_bond_d0.00978717664578
f_plane_restr0.00834259955055
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5266
Nucleic Acid Atoms
Solvent Atoms180
Heterogen Atoms58

Software

Software
Software NamePurpose
PHENIXrefinement
CrysalisProdata reduction
CrysalisProdata scaling
PHASERphasing