3D3P

Crystal structure of PDE4B catalytic domain in complex with a pyrazolopyridine inhibitor


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.529814-18% PEG 3000, 10% Glycerol, 50mM Sodium Cacodylate pH 6.5, 100mM Sodium Acetate, 1M Sodium Chloride, 1% DMF, 5mM DTT, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.7354.89

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 88.448α = 90
b = 94.725β = 90
c = 105.671γ = 90
Symmetry
Space GroupI 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 42002-10-08MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-40.9326ESRFID14-4

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)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
11.752598.40.06210.94460923.8
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.751.8197.40.4512.54351

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONTHROUGHOUTPDB ENTRY 1F0J (Molecule A)1.75204429022351000.2010.1990.241RANDOM30.138
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]
-1.87-0.362.23
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.192
r_dihedral_angle_4_deg26.357
r_dihedral_angle_3_deg14.419
r_scangle_it5.109
r_dihedral_angle_1_deg4.926
r_scbond_it3.605
r_mcangle_it2.811
r_mcbond_it2.047
r_angle_refined_deg1.363
r_nbtor_refined0.306
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.192
r_dihedral_angle_4_deg26.357
r_dihedral_angle_3_deg14.419
r_scangle_it5.109
r_dihedral_angle_1_deg4.926
r_scbond_it3.605
r_mcangle_it2.811
r_mcbond_it2.047
r_angle_refined_deg1.363
r_nbtor_refined0.306
r_nbd_refined0.218
r_xyhbond_nbd_refined0.179
r_symmetry_vdw_refined0.177
r_symmetry_hbond_refined0.149
r_chiral_restr0.097
r_metal_ion_refined0.026
r_bond_refined_d0.015
r_gen_planes_refined0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2714
Nucleic Acid Atoms
Solvent Atoms303
Heterogen Atoms34

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
AMoREphasing