7NDP

X-ray structure of acetylcholine-binding protein (AChBP) in complex with FL001856.

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1UW6

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
2.07	40.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 76.7	α = 90
b = 121.1	β = 90
c = 241.3	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 X 16M		2020-04-04	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MAX IV BEAMLINE BioMAX	0.976238	MAX IV	BioMAX

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	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	2	30	99.1	0.999	12.77	13.678		150840

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	2	2	99.1		0.529	1.32

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	1UW6	2	47.53	143982	7578	99.55	0.21401	0.21249	0.24322	RANDOM	53.479

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]
2.67			-0.93		-1.74

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	27.707
r_dihedral_angle_4_deg	18.744
r_dihedral_angle_3_deg	13.269
r_long_range_B_other	11.318
r_long_range_B_refined	11.304
r_scangle_other	8.636
r_dihedral_angle_1_deg	7.572
r_mcangle_it	6.003
r_mcangle_other	6.003
r_scbond_it	5.849
r_scbond_other	5.849
r_mcbond_it	4.407
r_mcbond_other	4.397
r_angle_refined_deg	1.563
r_angle_other_deg	1.264
r_chiral_restr	0.062
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	16131
Nucleic Acid Atoms
Solvent Atoms	486
Heterogen Atoms	285

Software

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