8ACO

Crystal structure of WT p38alpha

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	277	0.1M MAGNESIUM CHLORIDE HEXAHYDRATE, 0.1,M HEPES pH 7, 15 %w/v PEG 4000

Crystal Properties
Matthews coefficient	Solvent content
2.4	49.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 65.3	α = 90
b = 74.612	β = 90
c = 78.1	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	PIXEL	DECTRIS PILATUS 6M	Elliptically bent mirror	2020-02-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALBA BEAMLINE XALOC	0.979257	ALBA	XALOC

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	2.65	78.1	94.1	0.075	13.6	5.6		10940			43.9

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	2.65	2.79	84.1		0.397	4.4	5.7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	4LOO	2.65	53.95	10858	532	93.773	0.212	0.2087	0.2778	0	57.757

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]
-1.646			-4.077		5.723

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.721
r_dihedral_angle_4_deg	15.591
r_dihedral_angle_3_deg	14.729
r_lrange_it	7.805
r_lrange_other	7.791
r_dihedral_angle_1_deg	5.949
r_mcangle_it	3.97
r_mcangle_other	3.969
r_scangle_it	3.294
r_scangle_other	3.293
r_mcbond_other	2.27
r_mcbond_it	2.269
r_scbond_it	1.836
r_scbond_other	1.836
r_angle_refined_deg	1.21
r_angle_other_deg	1.027
r_nbd_refined	0.178
r_nbd_other	0.159
r_symmetry_nbd_other	0.158
r_xyhbond_nbd_refined	0.157
r_nbtor_refined	0.156
r_symmetry_nbd_refined	0.083
r_symmetry_nbtor_other	0.073
r_metal_ion_refined	0.072
r_symmetry_xyhbond_nbd_refined	0.057
r_chiral_restr	0.043
r_gen_planes_refined	0.003
r_bond_refined_d	0.002
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2704
Nucleic Acid Atoms
Solvent Atoms	112
Heterogen Atoms	29

Software

Software
Software Name	Purpose
iMOSFLM	data reduction
SCALA	data scaling
PHASER	phasing
REFMAC	refinement