3RTN

Structure of Bace-1 (Beta-Secretase) in Complex with 3-(2-Amino-6-o-tolylquinolin-3-yl)-N-cyclohexylpropanamide

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.6	293	20% (w/v) PEG 5000 monomethylethyl ether (MME), 200mM sodium citrate (pH 6.6) and 200mM sodium iodide, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.86	57.05

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 103.365	α = 90
b = 103.365	β = 90
c = 170.197	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					2008-04-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.2	1	ALS	5.0.2

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	2.7	20	99.9	0.074	13.6	9		15436

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	2.7	2.8	99.8		0.448		9.2	1510

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	2.7	20	15253	759	99.35	0.2227	0.2201	0.2711	RANDOM	49.4832

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]
-1.67	-0.84		-1.67		2.51

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.669
r_dihedral_angle_4_deg	22.29
r_dihedral_angle_3_deg	17.984
r_dihedral_angle_1_deg	6.744
r_scangle_it	2.42
r_scbond_it	1.42
r_mcangle_it	1.366
r_angle_refined_deg	1.338
r_mcbond_it	0.741
r_chiral_restr	0.088

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.669
r_dihedral_angle_4_deg	22.29
r_dihedral_angle_3_deg	17.984
r_dihedral_angle_1_deg	6.744
r_scangle_it	2.42
r_scbond_it	1.42
r_mcangle_it	1.366
r_angle_refined_deg	1.338
r_mcbond_it	0.741
r_chiral_restr	0.088
r_bond_refined_d	0.011
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2899
Nucleic Acid Atoms
Solvent Atoms	58
Heterogen Atoms	52

Software

Software
Software Name	Purpose
SCALEPACK	data scaling
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.