6CKX

Structure of CDK12/CycK in complex with a small molecule inhibitor N-(4-(1-methyl-1H-pyrazol-4-yl)phenyl)-N-((1r,4r)-4-(quinazolin-2-ylamino)cyclohexyl)acetamide

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		298	0.1 M HEPES (PH 6.5), 18% PEG 3350, 0.2 M MGCL2, AND 1 MM SARCOSINE, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 297K

Crystal Properties
Matthews coefficient	Solvent content
2.49	50.56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 96.596	α = 90
b = 107.53	β = 90
c = 138.324	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	173	CCD	ADSC QUANTUM 315		2015-07-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.3	0.98	ALS	5.0.3

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2.75	50	99.9	13.9	6.9		38257

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.75	2.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2.8	45.64	34375	1813	99.9	0.21	0.208	0.251	RANDOM	85.84

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]
-1.84			4.36		-2.52

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.903
r_dihedral_angle_4_deg	18.564
r_dihedral_angle_3_deg	16.073
r_dihedral_angle_1_deg	6.033
r_angle_refined_deg	1.374
r_angle_other_deg	0.925
r_chiral_restr	0.075
r_bond_refined_d	0.01
r_gen_planes_refined	0.006
r_bond_other_d	0.003
r_gen_planes_other	0.003
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
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_it
r_mcbond_other
r_mcangle_it
r_mcangle_other
r_scbond_it
r_scbond_other
r_scangle_it
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 Atoms	Number
Protein Atoms	8613
Nucleic Acid Atoms
Solvent Atoms	38
Heterogen Atoms	69

Software

Software
Software Name	Purpose
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing
REFMAC	refinement