Experiment: 3DV1

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3DUY	PDB entry 3DUY

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				1.0M Ammonium sulfate in water, pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 292K. Protein stock was BACE 7.3 mg/mL in 10mM Tris-HCl pH 7.4, 25mM NaCl. Crystals were grown in 96-well Corning Microtiter plates. Cryo-protectant was 80% well solution, 20% 1,2-Propanediol

Crystal Properties
Matthews coefficient	Solvent content
3.05	59.69

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 82.027	α = 90
b = 102.945	β = 103.66
c = 99.916	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	95	CCD	MAR CCD 165 mm		2003-03-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA	0.95371	SLS	X06SA

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	2.1	100	100	0.056	12.1	4.3	93176	93176			30.8

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)
	2.1	2.18	100		0.309			9252

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	PDB entry 3DUY	2.1	55.52	93153	93153	9307	99.4	0.223	0.223	0.207	0.241	RANDOM	46.843

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]
-2.89		1.51	4.37		-1.48

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	25
c_scangle_it	4.25
c_mcangle_it	3.26
c_scbond_it	3.05
c_mcbond_it	2.18
c_angle_deg	1.3
c_improper_angle_d	0.76
c_bond_d	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8934
Nucleic Acid Atoms
Solvent Atoms	525
Heterogen Atoms	93

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
CNS	refinement
PDB_EXTRACT	data extraction
MAR345	data collection
CNX	phasing
CNX	refinement

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.