3R2F

Crystal structure of beta-site app-cleaving enzyme 1 (BACE-WT) complex with BMS-693391 AKA (2S)-2-((3R)-3-acetamido-3-isobutyl-2-oxo-1-pyrrolidinyl)-N-((1S,2R)-1-(3,5-difluorobenzyl)-2-hydroxy-2-((2R,4R)-4-propoxy-2-pyrrolidinyl)ethyl)-4-phenylbutanamide

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.2	298	14% PEG8000, 0.2 M ammonium sulfate, pH 6.2, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.42	49.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 86.306	α = 90
b = 130.255	β = 96.53
c = 86.927	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	RIGAKU SATURN 92		2004-01-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E SUPERBRIGHT

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	2.529	86.387	99.6	0.11	0.11	12.4	3.5		62928	3.1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.55	2.64	99.6		0.315	3.1	3.2

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	MOLECULAR REPLACEMENT	THROUGHOUT	2.53		59696	3194	98.64	0.28266	0.28011	0.33002	RANDOM	22.761

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]
-2.1		-0.25	-2.54		4.59

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.547
r_dihedral_angle_3_deg	16.853
r_dihedral_angle_4_deg	16.157
r_dihedral_angle_1_deg	6.736
r_scangle_it	1.762
r_angle_refined_deg	1.426
r_scbond_it	1.103
r_mcangle_it	0.992
r_mcbond_it	0.577
r_symmetry_vdw_refined	0.51
r_symmetry_hbond_refined	0.43
r_nbtor_refined	0.314
r_nbd_refined	0.217
r_xyhbond_nbd_refined	0.167
r_chiral_restr	0.106
r_bond_refined_d	0.009
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	12136
Nucleic Acid Atoms
Solvent Atoms	122
Heterogen Atoms	188

Software

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