4EHG

B-Raf Kinase Domain in Complex with an Aminopyridimine-based Inhibitor

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	293	12% PEG 8000, 400 mM Ammonium sulfate, 100 mM MES/Malic Acid/ Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.89	57.42

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 100.499	α = 90
b = 100.499	β = 90
c = 161.305	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		2009-01-15	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	3.5	30	98.4	0.119	5.8	3.8	10843	10670

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	3.5	3.69	99.7		0.26	2.8	3.8

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	3.5	29.57	10843	10158	511		0.21519	0.2124	0.26997	RANDOM	28.266

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			0.07		-0.14

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.734
r_dihedral_angle_3_deg	21.601
r_dihedral_angle_4_deg	19.257
r_dihedral_angle_1_deg	7.431
r_scangle_it	1.741
r_angle_refined_deg	1.531
r_mcangle_it	1.146
r_scbond_it	0.988
r_mcbond_it	0.638
r_nbtor_refined	0.322
r_nbd_refined	0.248
r_symmetry_vdw_refined	0.215
r_xyhbond_nbd_refined	0.185
r_symmetry_hbond_refined	0.132
r_chiral_restr	0.104
r_bond_refined_d	0.012
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4175
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	58

Software

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