Experiment: 4ERW

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3PXY	PDB ENTRY 3PXY

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	291	5 mg/mL CDK2 protein, 50 mM sodium/potassium phosphate, 50 mM HEPES, pH 7.5, 5% v/v PEG3350, soaked overnight in 1 mM staurosporine in 50 mM phosphate, 50 mM HEPES, 15% v/v PEG3350, 25% v/v glycerol, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
1.99	38.14

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 53.63	α = 90
b = 71.34	β = 90
c = 72.36	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	93	CCD	RIGAKU SATURN 944+	mirrors	2012-03-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	20	99.8	0.059	0.055	29.2	7		19319		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.1	100		0.401	0.371	6.2	7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 3PXY	2	18.723	2	19319	966	99.97	0.1956	0.2441

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]
-4.2375			5.9352		-1.6977

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	14.775
f_angle_d	1.491
f_chiral_restr	0.08
f_bond_d	0.015
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2361
Nucleic Acid Atoms
Solvent Atoms	114
Heterogen Atoms	99

Software

Software
Software Name	Purpose
StructureStudio	data collection
PHENIX	model building
PHENIX	refinement
XDS	data reduction
XDS	data scaling
PHENIX	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 R01GM157729.