3DDQ

Structure of phosphorylated Thr160 CDK2/cyclin A in complex with the inhibitor roscovitine

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	277	ammonium sulphate, potassium chloride, Hepes, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.81	56.23

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.421	α = 90
b = 133.376	β = 90
c = 147.509	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 QUANTUM 4		2006-02-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-1		ESRF	ID14-1

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	1.8	20	90.2	0.07	16.4			122692	2	2

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)
	1.8	1.9	84.1		0.285	3.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.8	20	2	117586	117586	4947	89.98	0.19597	0.195	0.19462	0.22889	RANDOM	22.179

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]
0.05			0.24		-0.3

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.495
r_dihedral_angle_4_deg	14.466
r_dihedral_angle_3_deg	13.839
r_dihedral_angle_1_deg	5.419
r_rigid_bond_restr	3.106
r_scbond_it	2.704
r_sphericity_free	2.565
r_scangle_it	2.551
r_sphericity_bonded	1.924
r_angle_refined_deg	1.185
r_mcangle_it	1.141
r_mcbond_it	0.699
r_nbtor_refined	0.303
r_nbd_refined	0.193
r_symmetry_vdw_refined	0.173
r_xyhbond_nbd_refined	0.158
r_symmetry_hbond_refined	0.151
r_chiral_restr	0.099
r_bond_refined_d	0.008
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8907
Nucleic Acid Atoms
Solvent Atoms	841
Heterogen Atoms	52

Software

Software
Software Name	Purpose
REFMAC	refinement
ADSC	data collection
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing