4BCJ

Structure of CDK9 in complex with cyclin T and a 2-amino-4-heteroaryl- pyrimidine inhibitor


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
16.2277CRYSTALS WERE GROWN AT 4C USING 10-16% PEG 1000, 100MM NAK-PHOSPHATE PH 6.2, 500MM NACL, 4MM TCEP AS THE PRECIPITANT SOLUTION. THEY WERE SUBSEQUENTLY SOAKED IN THE PRESENCE OF COMPOUND.
Crystal Properties
Matthews coefficientSolvent content
2.347

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 174.59α = 90
b = 174.59β = 90
c = 99.42γ = 120
Symmetry
Space GroupH 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315rMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-4ESRFID14-4

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
13.1650.499.60.13.453.6119246
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)
13.163.33990.551.413.53

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-FreeMean Isotropic B
X-RAY DIFFRACTIONOTHERTHROUGHOUTNONE3.16238.6681924597399.5350.1620.15940.2073101.642
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]
-2.509-2.509-2.5098.138
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.825
r_dihedral_angle_4_deg20.364
r_dihedral_angle_3_deg18.03
r_scbond_it13.112
r_scangle_it11.827
r_mcangle_it8.955
r_mcbond_it6.308
r_dihedral_angle_1_deg5.543
r_angle_refined_deg1.379
r_nbtor_refined0.359
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.825
r_dihedral_angle_4_deg20.364
r_dihedral_angle_3_deg18.03
r_scbond_it13.112
r_scangle_it11.827
r_mcangle_it8.955
r_mcbond_it6.308
r_dihedral_angle_1_deg5.543
r_angle_refined_deg1.379
r_nbtor_refined0.359
r_nbd_refined0.278
r_xyhbond_nbd_refined0.165
r_chiral_restr0.098
r_bond_refined_d0.01
r_gen_planes_refined0.008
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4568
Nucleic Acid Atoms
Solvent Atoms6
Heterogen Atoms24

Software

Software
Software NamePurpose
REFMACrefinement
PHENIXphasing