4BCH

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
2.346

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 174.185α = 90
b = 174.185β = 90
c = 98.3γ = 120
Symmetry
Space GroupH 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC CCDMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I03DiamondI03

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
12.9687.0999.90.078.85.2423220
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)
12.963.1299.90.581.335.39

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-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)Mean Isotropic B
X-RAY DIFFRACTIONOTHERTHROUGHOUT2.95887.09223216117299.9230.1690.16670.16810.20970.209384.875
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]
-0.472-0.472-0.4721.531
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.289
r_dihedral_angle_3_deg16.545
r_dihedral_angle_4_deg15.869
r_scbond_it14.525
r_scangle_it13.32
r_mcangle_it11.347
r_mcbond_it7.45
r_dihedral_angle_1_deg5.741
r_angle_refined_deg1.566
r_nbtor_refined0.345
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4559
Nucleic Acid Atoms
Solvent Atoms13
Heterogen Atoms45

Software

Software
Software NamePurpose
REFMACrefinement
PHENIXphasing