8P11

X-ray structure of acetylcholine-binding protein (AChBP) in complex with FL003044.

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1UV6

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		293	PEG3350 3% Ammonium sulphate 1.8M HEPES buffer 0.1M, pH 7.75

Crystal Properties
Matthews coefficient	Solvent content
2.04	39.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 76.25	α = 90
b = 120.64	β = 90
c = 240.01	γ = 90

Symmetry
Space Group	P 21 21 21

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 EIGER2 XE 16M		2020-07-22	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04	0.979499	Diamond	I04

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Rrim I (All)	CC (Half)	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	1.9	47.31	99.96	0.1136	1	16.4	13.8		174606

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.9	1.968			0.491

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	1.9	47.31	165856	8730	99.98	0.21872	0.21737	0.24405	RANDOM	44.14

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]
2.26			-1.58		-0.68

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.589
r_dihedral_angle_4_deg	17.004
r_dihedral_angle_3_deg	12.672
r_long_range_B_refined	9.193
r_long_range_B_other	9.193
r_dihedral_angle_1_deg	7.383
r_scangle_other	6.873
r_mcangle_it	5.175
r_mcangle_other	5.175
r_scbond_it	4.586
r_scbond_other	4.586
r_mcbond_it	3.625
r_mcbond_other	3.625
r_angle_refined_deg	1.46
r_angle_other_deg	1.271
r_chiral_restr	0.06
r_bond_refined_d	0.008
r_gen_planes_refined	0.007
r_bond_other_d	0.001
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	16140
Nucleic Acid Atoms
Solvent Atoms	647
Heterogen Atoms	72

Software

Software
Software Name	Purpose
REFMAC	refinement
PHASER	phasing
XSCALE	data scaling
XDS	data reduction