8ATS

Small molecular stabilizer for C-RAF (pS259) and 14-3-3 (1075306)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		277	0.095 M HEPES (pH 7.1), PEG400 (24% (v/v)), 0.19 M CaCl2 and 5% (v/v) Glycerol

Crystal Properties
Matthews coefficient	Solvent content
2.6	52.66

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 81.627	α = 90
b = 112.368	β = 90
c = 62.575	γ = 90

Symmetry
Space Group	C 2 2 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 EIGER X 16M		2021-11-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PETRA III, DESY BEAMLINE P11	1.033220	PETRA III, DESY	P11

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	CC (Half)	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	1.4	45.46	99.8	1	25.2	1.9		56825

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.4	1.42			0.889

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	3iqu	1.4	45.46	53923	2902	99.78	0.14819	0.14693	0.1706	RANDOM	22.614

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]
1.87			-0.86		-1.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.814
r_dihedral_angle_4_deg	13.026
r_dihedral_angle_3_deg	11.402
r_dihedral_angle_1_deg	4.508
r_long_range_B_refined	3.802
r_long_range_B_other	3.708
r_scangle_other	3.384
r_mcangle_other	2.594
r_mcangle_it	2.593
r_scbond_it	2.573
r_scbond_other	2.571
r_mcbond_it	1.866
r_mcbond_other	1.854
r_rigid_bond_restr	1.501
r_angle_refined_deg	1.322
r_angle_other_deg	1.26
r_chiral_restr	0.082
r_bond_refined_d	0.01
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1930
Nucleic Acid Atoms
Solvent Atoms	183
Heterogen Atoms	30

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
MOLREP	phasing