4F9Y

Human P38 alpha MAPK In Complex With a Novel and Selective Small Molecule Inhibitor

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.5	295	0.1M Ammonium Acetate, 0.1 M BIS-TRIS pH 5.5, 17% PEG 10000, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.22	44.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 66.529	α = 90
b = 74.834	β = 90
c = 78.27	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	MARMOSAIC 300 mm CCD	Beryllium lenses	2011-10-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-G	0.97857	APS	21-ID-G

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	1.85	50	99.9	0.039		7.3	34190	34190	-3	-3

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	1.85	1.88	99.9		0.537	3.81	7.3	1669

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	1.85	33.76	32278	1719	99.9	0.16871	0.1671	0.19999	RANDOM	29.036

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]
-0.05			-1.14		1.2

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.078
r_dihedral_angle_4_deg	17.736
r_dihedral_angle_3_deg	10.217
r_scangle_it	4.711
r_scbond_it	3.09
r_dihedral_angle_1_deg	2.982
r_mcangle_it	2.081
r_angle_refined_deg	1.364
r_mcbond_it	1.207
r_angle_other_deg	0.85

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.078
r_dihedral_angle_4_deg	17.736
r_dihedral_angle_3_deg	10.217
r_scangle_it	4.711
r_scbond_it	3.09
r_dihedral_angle_1_deg	2.982
r_mcangle_it	2.081
r_angle_refined_deg	1.364
r_mcbond_it	1.207
r_angle_other_deg	0.85
r_mcbond_other	0.379
r_chiral_restr	0.086
r_bond_refined_d	0.012
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2732
Nucleic Acid Atoms
Solvent Atoms	292
Heterogen Atoms	76

Software

Software
Software Name	Purpose
HKL-2000	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.