5WJJ

Structure-based Design, Synthesis, and Biological Evaluation of Imidazo[1,2-b]pyridazine-based p38 MAP Kinase Inhibitors

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.4	293	18.% PEG 3350, 0.06M MES, 0.04M MES_Na

Crystal Properties
Matthews coefficient	Solvent content
2.16	43.13

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 69.813	α = 90
b = 69.974	β = 90
c = 73.878	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 315r		2007-05-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.3	0.9700	ALS	5.0.3

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	1.6	50.7	95.5	0.068	11.6	4.3		46461

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	1.6	1.64	60		0.428		2.6

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	MOLECULAR REPLACEMENT	THROUGHOUT	1.6	50	44054	2346	95.37	0.20221	0.20033	0.23712	RANDOM	22.054

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]
-0.62			1.46		-0.84

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.357
r_dihedral_angle_4_deg	17.971
r_dihedral_angle_3_deg	12.533
r_long_range_B_refined	5.656
r_long_range_B_other	5.369
r_dihedral_angle_1_deg	5.073
r_angle_refined_deg	1.322
r_mcangle_it	0.975
r_mcangle_other	0.975
r_scangle_other	0.924
r_angle_other_deg	0.885
r_scbond_it	0.567
r_mcbond_it	0.542
r_mcbond_other	0.542
r_scbond_other	0.534
r_chiral_restr	0.074
r_bond_refined_d	0.009
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.002
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_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2712
Nucleic Acid Atoms
Solvent Atoms	380
Heterogen Atoms	34

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data collection
HKL-2000	data scaling
MOLREP	phasing
PDB_EXTRACT	data extraction
HKL-2000	data reduction