3RVI

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

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
2.85	56.88

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 103.124	α = 90
b = 103.124	β = 90
c = 170.326	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		CCD	ADSC QUANTUM 315		2008-08-28	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	2.65	20	94.5	0.09	9.4	9.8		15352

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	2.65	2.74	96.4		0.491		9.7	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	2.65	20	15205	763	94.17	0.2227	0.2208	0.261	RANDOM	33.7719

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]
-0.76	-0.38		-0.76		1.14

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.44
r_dihedral_angle_3_deg	16.523
r_dihedral_angle_4_deg	9.711
r_dihedral_angle_1_deg	5.854
r_scangle_it	1.163
r_angle_refined_deg	1.031
r_mcangle_it	0.847
r_scbond_it	0.66
r_mcbond_it	0.464
r_chiral_restr	0.066

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.44
r_dihedral_angle_3_deg	16.523
r_dihedral_angle_4_deg	9.711
r_dihedral_angle_1_deg	5.854
r_scangle_it	1.163
r_angle_refined_deg	1.031
r_mcangle_it	0.847
r_scbond_it	0.66
r_mcbond_it	0.464
r_chiral_restr	0.066
r_bond_refined_d	0.007
r_gen_planes_refined	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2910
Nucleic Acid Atoms
Solvent Atoms	67
Heterogen Atoms	52

Software

Software
Software Name	Purpose
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction
PHASER	phasing

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 R01GM133198.