1WBT

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

X-RAY DIFFRACTION

---

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 = 45.519	α = 90
b = 85.602	β = 90
c = 126.577	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	2	70.71	94.4	0.11	4.1	2.5		33834		2	32.3

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	2	70.71	33834	1662	97.5	0.229	0.227	0.276	RANDOM	31.18

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]
-0.06			1.14		-1.09

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.219
r_dihedral_angle_4_deg	19.919
r_dihedral_angle_3_deg	16.381
r_dihedral_angle_1_deg	6.003
r_scangle_it	5.719
r_mcangle_it	4.215
r_scbond_it	4.124
r_mcbond_it	3.559
r_angle_refined_deg	1.479
r_angle_other_deg	0.857
r_nbd_refined	0.2
r_symmetry_vdw_other	0.197
r_xyhbond_nbd_refined	0.188
r_nbtor_refined	0.178
r_nbd_other	0.177
r_symmetry_hbond_refined	0.143
r_symmetry_vdw_refined	0.12
r_nbtor_other	0.085
r_chiral_restr	0.083
r_bond_refined_d	0.013
r_gen_planes_refined	0.005
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	254
Heterogen Atoms	33

Software

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