3LHJ

Crystal Structure of p38a Mitogen-Activated Protein Kinase in Complex with a Pyrazolopyridinone Inhibitor.

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	293	25% PEG 3350, 0.2M Magnesium Chloride, 0.1M BIS-TRIS, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.87	57.12

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 46.775	α = 90
b = 86.604	β = 90
c = 118.959	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 315		2007-11-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.2	0.99990	ALS	5.0.2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	3.31	50	90.7				6997

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	3.31	3.42	67.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	3.31	43.52	6641	6641	324	90.77	0.21667	0.21667	0.21311	0.28894	RANDOM	26.289

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]
0.07			-1.69		1.62

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.543
r_dihedral_angle_4_deg	17.04
r_dihedral_angle_3_deg	17.018
r_dihedral_angle_1_deg	5.376
r_angle_refined_deg	1.067
r_nbtor_refined	0.301
r_nbd_refined	0.18
r_xyhbond_nbd_refined	0.124
r_symmetry_vdw_refined	0.118
r_chiral_restr	0.073

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.543
r_dihedral_angle_4_deg	17.04
r_dihedral_angle_3_deg	17.018
r_dihedral_angle_1_deg	5.376
r_angle_refined_deg	1.067
r_nbtor_refined	0.301
r_nbd_refined	0.18
r_xyhbond_nbd_refined	0.124
r_symmetry_vdw_refined	0.118
r_chiral_restr	0.073
r_bond_refined_d	0.007
r_gen_planes_refined	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2750
Nucleic Acid Atoms
Solvent Atoms	1
Heterogen Atoms	32

Software

Software
Software Name	Purpose
ADSC	data collection
MOLREP	phasing
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729.