2ZJH

Crystal structure of the human BACE1 catalytic domain in complex with N-(1-benzyl-piperidin-4-yl)-4-mercapto-butyramide

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2P8H	PDB ENTRY 2P8H

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	295	0.1M Bis-Tris pH 6.5, 0.1M sodium chloride, 1.5M ammonium sulfate, 7.0 mg/ml Beta-secretase 1 , VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.89	57.42

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 103.596	α = 90
b = 103.596	β = 90
c = 168.741	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	180	IMAGE PLATE	RIGAKU RAXIS IV		2004-02-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU300	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	2.6	20	99	0.111	10.8		17118	16879

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	2.6	2.69			0.432

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	PDB ENTRY 2P8H	2.6	20	15848	844	97.84	0.22893	0.22684	0.26859	RANDOM	38.902

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]
-0.38	-0.19		-0.38		0.57

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.136
r_dihedral_angle_4_deg	17.615
r_dihedral_angle_3_deg	15.351
r_dihedral_angle_1_deg	5.705
r_mcangle_it	3.196
r_scangle_it	2.352
r_mcbond_it	1.896
r_scbond_it	1.519
r_angle_refined_deg	0.964
r_nbtor_refined	0.305
r_nbd_refined	0.178
r_symmetry_vdw_refined	0.157
r_xyhbond_nbd_refined	0.125
r_symmetry_hbond_refined	0.064
r_chiral_restr	0.061
r_bond_refined_d	0.006
r_gen_planes_refined	0.002
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2771
Nucleic Acid Atoms
Solvent Atoms	99
Heterogen Atoms	20

Software

Software
Software Name	Purpose
REFMAC	refinement
CrystalClear	data collection
d*TREK	data reduction
d*TREK	data scaling
AMoRE	phasing