3SLS

Crystal Structure of human MEK-1 kinase in complex with UCB1353770 and AMPPNP

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		291	18% PEG-3350, 200mM Ammonium fluoride, 4% Glycerol, 10mM DTT, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.55	51.72

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 47.502	α = 90
b = 153.89	β = 101.48
c = 48.209	γ = 90

Symmetry
Space Group	P 1 21 1

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	CUSTOM-MADE			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX14.2		SRS	PX14.2

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	2.3	30.29					30851

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	2.3	30	29851	28304	1508	99.26	0.20975	0.20574	0.28654	RANDOM	43.581

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]
1.49		1.48	0.21		-1.11

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.282
r_dihedral_angle_4_deg	18.5
r_dihedral_angle_3_deg	17.487
r_dihedral_angle_1_deg	5.685
r_scangle_it	1.823
r_angle_refined_deg	1.287
r_scbond_it	1.177
r_mcangle_it	1.018
r_mcbond_it	0.573
r_nbtor_refined	0.296
r_symmetry_hbond_refined	0.292
r_nbd_refined	0.199
r_symmetry_vdw_refined	0.193
r_xyhbond_nbd_refined	0.174
r_metal_ion_refined	0.09
r_chiral_restr	0.084
r_bond_refined_d	0.009
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4526
Nucleic Acid Atoms
Solvent Atoms	360
Heterogen Atoms	126

Software

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