5U6I

Discovery of MLi-2, an Orally Available and Selective LRRK2 Inhibitor that Reduces Brain Kinase Activity

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1ERK

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.4	277	0.1M MES, PH 6.4, 2.0M AMMONIUM SULFATE, 5% PEG 400, 0.5% DMSO, 1% GLYEROL, 0.0005M OLOMOUCINE, 18 DAY SOAK WITH NEW COMPOUND AT 500 MICROMOLAR CONCENTRATION

Crystal Properties
Matthews coefficient	Solvent content
2.55	51.75

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 70.178	α = 90
b = 91.416	β = 90
c = 62.541	γ = 90

Symmetry
Space Group	P 21 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	PIXEL	DECTRIS PILATUS 6M		2011-06-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 17-ID	1.0	APS	17-ID

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	1.69	17.04	100	0.06	17.2	6.4		45409			28.4

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	1.695	1.701	100		0.625		6.7

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1ERK	1.69	17.04	45301	2270	99.1	0.169	0.168	0.18	0.186	0.19	RANDOM	33.61

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]
-1.8882			1.0502		0.838

RMS Deviations
Key	Refinement Restraint Deviation
t_other_torsion	13.88
t_omega_torsion	3.49
t_angle_deg	0.98
t_bond_d	0.01
t_dihedral_angle_d
t_incorr_chiral_ct
t_pseud_angle
t_trig_c_planes
t_gen_planes
t_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2768
Nucleic Acid Atoms
Solvent Atoms	252
Heterogen Atoms	45

Software

Software
Software Name	Purpose
XDS	data reduction
autoPROC	data scaling
BUSTER	refinement
MOLREP	phasing
SCALA	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.