2Q15

Structure of BACE complexed to compound 3a

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.6	293	22.5% (w/v) PEG 5000 monomethylethyl (MME), 200 mM sodium citrate, 200 mM ammonium iodide, pH 6.6, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.99	58.83

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 102.347	α = 90
b = 102.347	β = 90
c = 169.715	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						M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-2		ESRF	ID14-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.4	29.54	99.81	0.093		5.7		20102

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)
	2.4				0.39

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	2.4	29.54	20102	1091	99.81	0.25605	0.2515	0.3438	RANDOM	47.498

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]
0.13	0.07		0.13		-0.2

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	9.684
r_scangle_it	7.157
r_mcangle_it	5.984
r_scbond_it	5.399
r_mcbond_it	4.357
r_angle_refined_deg	2.105
r_angle_other_deg	1.073
r_xyhbond_nbd_refined	0.307
r_nbd_other	0.25
r_nbd_refined	0.243
r_symmetry_vdw_other	0.241
r_symmetry_vdw_refined	0.199
r_symmetry_hbond_refined	0.16
r_chiral_restr	0.117
r_nbtor_other	0.096
r_bond_refined_d	0.024
r_gen_planes_refined	0.008
r_gen_planes_other	0.003
r_bond_other_d	0.002
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_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	3023
Nucleic Acid Atoms
Solvent Atoms	157
Heterogen Atoms	37

Software

Software
Software Name	Purpose
REFMAC	refinement