Experiment: 5QCR

Crystal structure of BACE complex with BMC026

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	hanging drop		292	CRYSTALS WERE GROWN AT 19C BY VAPOUR DIFFUSION IN HANGING DROPS USING 1.0M UNBUFFERED AMMONIUM SULFATE AS PRECIPITANT. PROTEIN STOCK WAS BACE MUT46B BATCH IX 8.1MG/ML IN 10MM TRIS-HCL PH 7.4, 25MM NACL WITH A 4-FOLD EXCESS OF BMC026 ADDED FROM A 100MM STOCK SOLUTION IN DMSO. CRYO-PROTECTANT WAS 2.0M LI2SO4, 2%(V/V) PEG 400, 0.1M CITRATE PH 5.5, 0.5MM BMC026, 1% DMSO.

Crystal Properties
Matthews coefficient	Solvent content
3.04	59.56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 81.761	α = 90
b = 102.757	β = 103.28
c = 99.928	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		2003-07-31	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA		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	2.2	46.52	99.7	0.059				81413

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2.2	46.52	1.35	81413	8170	99.7	0.176	0.173	0.1768	0.205	0.2072	51

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	16.087
f_angle_d	0.981
f_chiral_restr	0.064
f_bond_d	0.008
f_plane_restr	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8859
Nucleic Acid Atoms
Solvent Atoms	315
Heterogen Atoms	123

Software

Software
Software Name	Purpose
PHENIX	refinement
CNX	refinement
CNX	phasing
SCALEPACK	data scaling
DENZO	date reduction
PDB_EXTRACT	data extraction