5OUG

Humanized alpha-AChBP (acetylcholine binding protein) in complex with lobeline and allosteric binder fragment 4.

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293.15	0.1 M HEPES pH 7.5, 8% ethylene glycol and 10% PEG8000.

Crystal Properties
Matthews coefficient	Solvent content
2.81	56.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 68.673	α = 90
b = 119.806	β = 107.29
c = 84.543	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	PIXEL	DECTRIS PILATUS3 X 1M		2017-02-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SOLEIL BEAMLINE PROXIMA 1	0.91983	SOLEIL	PROXIMA 1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Rpim I (All)	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	2.57	81.61	99.8	0.083	11.4	6.7		41656

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rpim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.57	2.67			1.35

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		THROUGHOUT	2.57	80.72	39521	2109	99.74	0.2158	0.2145	0.24	RANDOM	75.542

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]
0.21		0.31	-1.79		1.17

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.442
r_dihedral_angle_4_deg	16.949
r_dihedral_angle_3_deg	16.571
r_dihedral_angle_1_deg	7.411
r_angle_refined_deg	1.595
r_angle_other_deg	0.974
r_chiral_restr	0.092
r_bond_refined_d	0.012
r_gen_planes_refined	0.006
r_bond_other_d	0.002

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.442
r_dihedral_angle_4_deg	16.949
r_dihedral_angle_3_deg	16.571
r_dihedral_angle_1_deg	7.411
r_angle_refined_deg	1.595
r_angle_other_deg	0.974
r_chiral_restr	0.092
r_bond_refined_d	0.012
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8396
Nucleic Acid Atoms
Solvent Atoms	90
Heterogen Atoms	464

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
SCALA	data reduction
SCALA	data scaling
MOLREP	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.