4G9R

B-Raf V600E Kinase Domain Bound to a Type II Dihydroquinazoline Inhibitor

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	293	100 mM Tris, 16% PEG 8000, 100 mM NDSB-256, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.8	56.14

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 96.82	α = 90
b = 96.82	β = 90
c = 168.718	γ = 90

Symmetry
Space Group	P 41 21 2

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 315r		2009-12-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL7-1	0.979	SSRL	BL7-1

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	3.2	30	99.1	0.146	5	3.8	13852	13727

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	3.2	3.37	99.6		0.368	2	4	1957

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	3.2	29.24	13852	13001	678	100	0.22903	0.22646	0.2767	RANDOM	36.21

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]
0.82			0.82		-1.64

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.478
r_dihedral_angle_3_deg	18.455
r_dihedral_angle_4_deg	18.066
r_dihedral_angle_1_deg	5.179
r_angle_refined_deg	1.005
r_scangle_it	0.83
r_mcangle_it	0.655
r_scbond_it	0.469
r_mcbond_it	0.361
r_nbtor_refined	0.306
r_nbd_refined	0.193
r_symmetry_vdw_refined	0.186
r_xyhbond_nbd_refined	0.129
r_symmetry_hbond_refined	0.103
r_chiral_restr	0.072
r_bond_refined_d	0.006
r_gen_planes_refined	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4174
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	68

Software

Software
Software Name	Purpose
Blu-Ice	data collection
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
REFMAC	phasing