2XNB

Discovery and Characterisation of 2-Anilino-4-(thiazol-5-yl) pyrimidine Transcriptional CDK Inhibitors as Anticancer Agents

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2CLX	PDB ENTRY 2CLX

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.8		10% PEG 3350, NAF, PH 7.0

Crystal Properties
Matthews coefficient	Solvent content
1.84	32.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 53.005	α = 90
b = 71.108	β = 90
c = 72.028	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	IMAGE PLATE	RIGAKU IMAGE PLATE	BLUE MAX-FLUX CONFOCAL	2004-07-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-D

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	31.88	98.8	0.08	7.3	2.63		25565		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	1.8	1.86	99.1		0.48	2.1	2.56

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 2CLX	1.85	30	22795	766	98.74	0.21557	0.21279	0.29378	RANDOM	39.293

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]
-0.66			2.33		-1.68

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.472
r_dihedral_angle_4_deg	24.623
r_dihedral_angle_3_deg	21.963
r_dihedral_angle_1_deg	8.852
r_scangle_it	8.205
r_scbond_it	6.294
r_mcangle_it	4.61
r_mcbond_it	3.229
r_angle_refined_deg	1.689
r_mcbond_other	1.146
r_angle_other_deg	0.943
r_chiral_restr	0.126
r_gen_planes_refined	0.017
r_bond_refined_d	0.012
r_bond_other_d	0.003
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_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	2379
Nucleic Acid Atoms
Solvent Atoms	260
Heterogen Atoms	27

Software

Software
Software Name	Purpose
REFMAC	refinement
d*TREK	data reduction
d*TREK	data scaling
MOLREP	phasing