4EXG

Design and synthesis of potent hydroxyethylamine (hea) bace-1 inhibitors

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	5	299	16%PEG1000,0.1 M NAacetate,5 % Glycerol, pH 5.0, VAPOR DIFFUSION, temperature 299K

Crystal Properties
Matthews coefficient	Solvent content
2.23	44.94

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 48.223	α = 90
b = 76.371	β = 90
c = 104.377	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		CCD	ADSC QUANTUM 1		2010-01-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-1	1.072	ESRF	ID23-1

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	1.8	63.63	94.8	0.059			30008	29977

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	1.8	61.63	29977	1518	99.56	0.1808	0.1783	0.2274	RANDOM	22.2762

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]
2.02			-0.49		-1.53

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.311
r_dihedral_angle_4_deg	17.209
r_dihedral_angle_3_deg	14.963
r_dihedral_angle_1_deg	7.48
r_scangle_it	5.7
r_scbond_it	3.589
r_mcangle_it	2.435
r_angle_refined_deg	2.188
r_mcbond_it	1.446
r_chiral_restr	0.181
r_bond_refined_d	0.026
r_gen_planes_refined	0.012

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2959
Nucleic Acid Atoms
Solvent Atoms	283
Heterogen Atoms	32

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
DNA	data collection
MOSFLM	data reduction
SCALEPACK	data scaling
PHASER	phasing