1WBS

Identification of novel p38 alpha MAP Kinase inhibitors using fragment-based lead generation.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7		pH 7.00

Crystal Properties
Matthews coefficient	Solvent content
3.04	59.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.775	α = 90
b = 85.305	β = 90
c = 126.639	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 CCD			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	70.71	90.8	0.09	4.8	2.5		46857		2	26.8

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	OTHER	THROUGHOUT	1.8	70.71	34025	1829	76.5	0.194	0.191	0.234	RANDOM	24.63

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]
0.18			-0.66		0.48

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.767
r_dihedral_angle_4_deg	21.816
r_dihedral_angle_3_deg	14.466
r_dihedral_angle_1_deg	5.28
r_scangle_it	2.838
r_mcangle_it	2.337
r_mcbond_it	2.013
r_scbond_it	1.887
r_angle_refined_deg	1.597
r_angle_other_deg	0.779
r_symmetry_vdw_other	0.217
r_nbd_refined	0.2
r_symmetry_hbond_refined	0.184
r_nbtor_refined	0.174
r_nbd_other	0.169
r_xyhbond_nbd_refined	0.158
r_symmetry_vdw_refined	0.148
r_nbtor_other	0.082
r_chiral_restr	0.069
r_bond_refined_d	0.009
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_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	2834
Nucleic Acid Atoms
Solvent Atoms	395
Heterogen Atoms	39

Software

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