7PE6

Crystal structure of Lymnaea stagnalis Acetylcholine-binding protein (Ls-AChBP) Q55R/M114V double mutant complexed with Flupyrimin

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293	14-18% PEG3350, 0.1-0.25M diammonium hydrogen citrate, 15% glycerol

Crystal Properties
Matthews coefficient	Solvent content
2.32	46.99

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.04	α = 90
b = 74.04	β = 90
c = 350.59	γ = 120

Symmetry
Space Group	P 65

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 6M		2014-08-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I02	0.97949	Diamond	I02

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	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	2.01	64.121	99.9	0.072	0.084	0.03	13.6	7.5		71932

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.01	2.06	99.9		0.656	0.755	0.27	2.7	7.8

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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1UV6	2.01	64.121	71791	3542	99.908	0.192	0.1907	0.2269	56.849

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]
1.18	0.59		1.18		-3.827

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.127
r_dihedral_angle_4_deg	16.65
r_dihedral_angle_3_deg	14.714
r_lrange_other	8.972
r_lrange_it	8.949
r_dihedral_angle_1_deg	7.152
r_scangle_it	5.519
r_scangle_other	5.519
r_mcangle_it	3.823
r_mcangle_other	3.823
r_scbond_it	3.595
r_scbond_other	3.595
r_mcbond_it	2.584
r_mcbond_other	2.584
r_angle_other_deg	2.353
r_angle_refined_deg	1.775
r_nbd_other	0.315
r_symmetry_nbd_refined	0.231
r_symmetry_nbd_other	0.218
r_nbd_refined	0.194
r_nbtor_refined	0.168
r_symmetry_xyhbond_nbd_other	0.157
r_symmetry_xyhbond_nbd_refined	0.139
r_xyhbond_nbd_refined	0.135
r_ncsr_local_group_4	0.1
r_ncsr_local_group_2	0.099
r_ncsr_local_group_1	0.098
r_ncsr_local_group_3	0.092
r_ncsr_local_group_6	0.091
r_ncsr_local_group_10	0.091
r_ncsr_local_group_7	0.09
r_ncsr_local_group_5	0.086
r_ncsr_local_group_8	0.084
r_chiral_restr	0.08
r_symmetry_nbtor_other	0.08
r_ncsr_local_group_9	0.078
r_bond_other_d	0.035
r_bond_refined_d	0.015
r_gen_planes_other	0.014
r_gen_planes_refined	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7978
Nucleic Acid Atoms
Solvent Atoms	112
Heterogen Atoms	105

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
MOLREP	phasing