5NAU

Torpedo californica acetylcholinesterase in complex with a non-chiral donepezil-like compound 20

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		277.15	MES pH 6.2, 100 mM PEG 200, 30%

Crystal Properties
Matthews coefficient	Solvent content
4.01	69.32

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 111.62	α = 90
b = 111.62	β = 90
c = 136.71	γ = 120

Symmetry
Space Group	P 31 2 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	PIXEL	DECTRIS PILATUS 2M		2016-07-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ELETTRA BEAMLINE 5.2R	1.0	ELETTRA	5.2R

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	2.25	48.33	99.8	0.196	4.7	7		47111

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	2.25	2.37	99.9		0.86	1.5	6.4

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	2.25	48.33	44654	2369	99.5	0.189	0.187	0.228	RANDOM	38.09

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]
1.41	1.41		1.41		-4.56

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.761
r_dihedral_angle_4_deg	18.553
r_dihedral_angle_3_deg	15.113
r_long_range_B_refined	7.842
r_long_range_B_other	7.83
r_dihedral_angle_1_deg	7.042
r_scangle_other	6.624
r_mcangle_it	4.763
r_mcangle_other	4.763
r_scbond_it	4.549
r_scbond_other	4.548
r_mcbond_it	3.277
r_mcbond_other	3.272
r_angle_refined_deg	1.949
r_angle_other_deg	1.006
r_chiral_restr	0.123
r_bond_refined_d	0.02
r_gen_planes_refined	0.011
r_bond_other_d	0.003
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4205
Nucleic Acid Atoms
Solvent Atoms	279
Heterogen Atoms	150

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing