5HE4

BACE-1 in complex with (4aR,7aS)-7a-(2,6-difluorophenyl)-6-(5-fluoro-4-methoxy-6-methylpyrimidin-2-yl)-3-methyl-4-oxooctahydro-2H-pyrrolo[3,4-d]pyrimidin-2-iminium

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		277	15% PEG 3350, 200mM Na/K tartrate, 100mM Hepes

Crystal Properties
Matthews coefficient	Solvent content
2.94	58.15

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 86.39	α = 90
b = 89.37	β = 90
c = 131.24	γ = 90

Symmetry
Space Group	P 21 21 21

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 210		2006-06-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 17-ID	1	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	1.53	20	98.7	0.064	9.5	4.7		151652

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	1.53	1.56	97.2		0.526	2.8	4.5	7412

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation 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		THROUGHOUT	1.53	19.9	150845	7559	98.48	0.204	0.203	0.2217	RANDOM	20.0398

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]
2.6513			-3.7201		1.0688

RMS Deviations
Key	Refinement Restraint Deviation
t_other_torsion	14.25
t_omega_torsion	4.58
t_angle_deg	1.04
t_bond_d	0.01
t_dihedral_angle_d
t_trig_c_planes
t_gen_planes
t_it
t_nbd
t_improper_torsion

RMS Deviations
Key	Refinement Restraint Deviation
t_other_torsion	14.25
t_omega_torsion	4.58
t_angle_deg	1.04
t_bond_d	0.01
t_dihedral_angle_d
t_trig_c_planes
t_gen_planes
t_it
t_nbd
t_improper_torsion
t_pseud_angle
t_chiral_improper_torsion
t_sum_occupancies
t_utility_distance
t_utility_angle
t_utility_torsion
t_ideal_dist_contact

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6047
Nucleic Acid Atoms
Solvent Atoms	971
Heterogen Atoms	70

Software

Software
Software Name	Purpose
SCALEPACK	data scaling
PDB_EXTRACT	data extraction
DENZO	data reduction
BUSTER	refinement
AMoRE	phasing

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 R01GM133198.