1R78

CDK2 complex with a 4-alkynyl oxindole inhibitor

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	9	277	pH 9, VAPOR DIFFUSION, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.08	40.73

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 53.88	α = 90
b = 71.962	β = 90
c = 72.779	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	110	CCD	ADSC QUANTUM 4		1999-10-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X8C	0.979	NSLS	X8C

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	30	93.6	0.036		3.3	18512	18512			18.9

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)
	2	2.07	69.1		0.05

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	rigid body refinement	THROUGHOUT	2	51.3	18512	934	93.39	0.21999	0.21772	0.26247	RANDOM	21.889

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]
-0.31			-1		1.31

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.427
r_scangle_it	2.92
r_scbond_it	1.735
r_mcangle_it	1.357
r_angle_refined_deg	1.243
r_mcbond_it	0.733
r_nbd_refined	0.194
r_symmetry_hbond_refined	0.178
r_symmetry_vdw_refined	0.148
r_xyhbond_nbd_refined	0.124

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.427
r_scangle_it	2.92
r_scbond_it	1.735
r_mcangle_it	1.357
r_angle_refined_deg	1.243
r_mcbond_it	0.733
r_nbd_refined	0.194
r_symmetry_hbond_refined	0.178
r_symmetry_vdw_refined	0.148
r_xyhbond_nbd_refined	0.124
r_chiral_restr	0.085
r_bond_refined_d	0.01
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2213
Nucleic Acid Atoms
Solvent Atoms	68
Heterogen Atoms	28

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling

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 R01GM157729.