7D5A

Crystal Structure of BACE1 in complex with N-{3-[(9S)-7-amino-2,2-difluoro-9-(prop-1-yn-1-yl)-6-oxa-8-azaspiro[3.5]non-7-en-9-yl]-4-fluorophenyl}-5-cyanopyridine-2-carboxamide

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1W50

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293	0.2 M sodium citrate tribasic pH6.5, 0.2 M ammonium iodide, 18% w/v PEG 5000MME

Crystal Properties
Matthews coefficient	Solvent content
2.76	55.39

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 102.1	α = 90
b = 102.1	β = 90
c = 170.041	γ = 120

Symmetry
Space Group	P 61 2 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	IMAGE PLATE	RIGAKU		2015-11-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.54178

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	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	2.2	44.21	99.9	0.107	0.116	0.043	0.997	12.7	7		27297

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.2	2.27	99.5		0.507	0.547	0.202	0.891		7.1

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1W50	2.2	20	25842	1368	99.59	0.2087	0.2069	0.2424	RANDOM	35.923

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]
0.11	0.05		0.11		-0.35

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.031
r_dihedral_angle_3_deg	14.224
r_dihedral_angle_4_deg	13.889
r_dihedral_angle_1_deg	6.79
r_angle_refined_deg	1.396
r_chiral_restr	0.087
r_bond_refined_d	0.011
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2836
Nucleic Acid Atoms
Solvent Atoms	234
Heterogen Atoms	41

Software

Software
Software Name	Purpose
MOSFLM	data reduction
Aimless	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction

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.