4BCN

Structure of CDK2 in complex with cyclin A and a 2-amino-4-heteroaryl- pyrimidine inhibitor

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7		COCRYSTALS WERE GROWN IN 1-1.25M AMMONIUM SULFATE, 0.5-0.9M KCL, 100MM HEPES, PH 7.0, 5MM DTT AND IN THE PRESENCE OF COMPOUND.

Crystal Properties
Matthews coefficient	Solvent content
2.9	58

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.05	α = 90
b = 135.08	β = 90
c = 148.19	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	100	CCD	ADSC CCD			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I02		Diamond	I02

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.07	49.91	99.9	0.08	6.68	4.02		87330			31.05

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.1	2.21	99.9		0.55	1.38	4.05

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	2.1	49.915	1.34	87253	4376	99.81	0.1856	0.1838	0.2191

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]
-1.8624			1.5466		0.3157

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	13.835
f_angle_d	0.774
f_chiral_restr	0.055
f_bond_d	0.004
f_plane_restr	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8904
Nucleic Acid Atoms
Solvent Atoms	687
Heterogen Atoms	58

Software

Software
Software Name	Purpose
PHENIX	refinement
PHASER	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.