2IW6

STRUCTURE OF HUMAN THR160-PHOSPHO CDK2-CYCLIN A COMPLEXED WITH A BISANILINOPYRIMIDINE INHIBITOR

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1H1S	PDB ENTRY 1H1S

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7		THE DROPLET CONTAINED PROTEIN AT A CONCENTRATION OF 10 MG ML-1 IN 40 MM HEPES PH 7.0 CONTAINING 1 MM DTT, 200 MM NACL, 5% V/V DMSO AND SATURATED INHIBITOR. THE RESERVOIR SOLUTION CONTAINED 0.8 M KCL AND 1.2 M (NH4)2SO4 IN 40 MM HEPES PH 7.0 AND 5 MM DTT.

Crystal Properties
Matthews coefficient	Solvent content
2.9	57.26

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 73.777	α = 90
b = 134.557	β = 90
c = 148.265	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	MARRESEARCH		2003-08-31	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-3		ESRF	ID14-3

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	2.3	41.2	93.8	0.1	5.5	3.7		61358

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	2.3	2.41	87		0.44	1.4	2.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1H1S	2.3	100	58213	3125	93.1	0.231	0.228	0.287	RANDOM	36.46

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]
-1.46			1.85		-0.038

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.48
r_dihedral_angle_3_deg	19.004
r_dihedral_angle_4_deg	16.771
r_dihedral_angle_1_deg	6.754
r_scangle_it	2.673
r_scbond_it	1.822
r_angle_refined_deg	1.713
r_mcangle_it	1.135
r_mcbond_it	0.682
r_symmetry_hbond_refined	0.338
r_nbtor_refined	0.302
r_nbd_refined	0.209
r_xyhbond_nbd_refined	0.203
r_symmetry_vdw_refined	0.2
r_chiral_restr	0.118
r_bond_refined_d	0.018
r_gen_planes_refined	0.007
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8869
Nucleic Acid Atoms
Solvent Atoms	114
Heterogen Atoms	79

Software

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