4FSL

Crystal structure of beta-site app-cleaving enzyme 1 (BACE-DB-MUT) complex with N-(N-(4- acetamido-3-chloro-5-methylbenzyl)carbamimidoyl)-3-(4- methoxyphenyl)-5-methyl-4-isothiazolecarboxamide

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.2	298	35% PEG8K, 0.2 M ammonium sulfate, pH 6.2, vapor diffusion, hanging drop, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.77	55.53

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 86.54	α = 90
b = 131.177	β = 97.61
c = 90.315	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	100	CCD	RIGAKU SATURN 92	MICROMAX CONFOCAL	2005-04-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.54

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	2.5	50	96.8	0.087	7.7	3.6		66645

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	2.5	2.59	91.1		0.472		3.2	6244

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	2.5	50	66542	3377	96.54	0.2265	0.2239	0.277	RANDOM	26.3625

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]
-2.52		0.52	-1.86		4.51

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.086
r_dihedral_angle_3_deg	14.724
r_dihedral_angle_4_deg	14.327
r_dihedral_angle_1_deg	5.612
r_angle_refined_deg	1.154
r_scangle_it	1.073
r_scbond_it	0.623
r_mcangle_it	0.589
r_mcbond_it	0.318
r_nbtor_refined	0.305

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.086
r_dihedral_angle_3_deg	14.724
r_dihedral_angle_4_deg	14.327
r_dihedral_angle_1_deg	5.612
r_angle_refined_deg	1.154
r_scangle_it	1.073
r_scbond_it	0.623
r_mcangle_it	0.589
r_mcbond_it	0.318
r_nbtor_refined	0.305
r_symmetry_vdw_refined	0.222
r_nbd_refined	0.179
r_xyhbond_nbd_refined	0.125
r_symmetry_hbond_refined	0.099
r_chiral_restr	0.069
r_bond_refined_d	0.007
r_gen_planes_refined	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	12156
Nucleic Acid Atoms
Solvent Atoms	819
Heterogen Atoms	144

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALEPACK	data scaling
CNS	refinement
DENZO	data reduction
PDB_EXTRACT	data extraction
HKL-2000	data reduction
HKL-2000	data scaling
CNS	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 R01GM157729.