4E26

BRAF in complex with an organic inhibitor 7898734

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH	6.5	298	200 MM Magnesium acetate tetrahydrate, 100 mm sodium cacodylate trihydrate (pH 6.5), and 20% polyethylene glycol 8000, MICROBATCH, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.69	54.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 94.277	α = 90
b = 94.277	β = 90
c = 163.472	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		CCD	MARMOSAIC 300 mm CCD		2007-11-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-B		APS	23-ID-B

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	2.55	50	99				24752

Refinement

Statistics
Diffraction ID	Structure Solution Method	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	2.55	50	23280	2127		0.22	0.22	0.262	RANDOM

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]

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4267
Nucleic Acid Atoms
Solvent Atoms	76
Heterogen Atoms	50

Software

Software
Software Name	Purpose
MOLREP	phasing
CNS	refinement
HKL-2000	data reduction
HKL-2000	data scaling