3BHV

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

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	277	ammonium sulphate, potassium chloride, HEPES pH7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.86	56.99

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.16	α = 90
b = 133.968	β = 90
c = 147.879	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		2006-11-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-2	0.9333	ESRF	ID14-2

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	2.1	20	99.7	0.068	13.1			86384	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)
	2.1	2.21	98.9		0.386	3.8

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		THROUGHOUT	2.1	20	86295	4327	99.73	0.184	0.182	0.229	RANDOM	36.934

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]
-0.42			0.63		-0.21

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.214
r_dihedral_angle_4_deg	18.288
r_dihedral_angle_3_deg	15.966
r_dihedral_angle_1_deg	6.077
r_scangle_it	2.727
r_scbond_it	1.776
r_angle_refined_deg	1.359
r_mcangle_it	1.23
r_mcbond_it	0.713
r_nbtor_refined	0.304
r_symmetry_hbond_refined	0.218
r_symmetry_vdw_refined	0.203
r_nbd_refined	0.201
r_xyhbond_nbd_refined	0.197
r_chiral_restr	0.098
r_bond_refined_d	0.011
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8869
Nucleic Acid Atoms
Solvent Atoms	907
Heterogen Atoms	46

Software

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