3TGE

A novel series of potent and selective PDE5 inhibitor1


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1EVAPORATION8.52980.2M MgSO4, 0.1M Tris, 10-15% PEG3350, pH 8.5, EVAPORATION, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.1642.93

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 54.63α = 90
b = 77.311β = 101.19
c = 78.265γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 42005-11-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 17-ID1.0APS17-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
11.962094.7584232167527.47
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)
11.962.0399.10.1855.4

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONFOURIER SYNTHESISTHROUGHOUT1.9619.3321674111094.490.17960.17870.1941RANDOM28.16
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]
5.0291-2.90271.2149-6.244
RMS Deviations
KeyRefinement Restraint Deviation
t_other_torsion16.58
t_omega_torsion2.81
t_angle_deg0.97
t_bond_d0.01
t_dihedral_angle_d
t_incorr_chiral_ct
t_pseud_angle
t_trig_c_planes
t_gen_planes
t_it
RMS Deviations
KeyRefinement Restraint Deviation
t_other_torsion16.58
t_omega_torsion2.81
t_angle_deg0.97
t_bond_d0.01
t_dihedral_angle_d
t_incorr_chiral_ct
t_pseud_angle
t_trig_c_planes
t_gen_planes
t_it
t_nbd
t_improper_torsion
t_chiral_improper_torsion
t_sum_occupancies
t_utility_distance
t_utility_angle
t_utility_torsion
t_ideal_dist_contact
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2619
Nucleic Acid Atoms
Solvent Atoms153
Heterogen Atoms36

Software

Software
Software NamePurpose
HKL-2000data collection
PHASERphasing
BUSTERrefinement
HKL-2000data reduction
HKL-2000data scaling