7PDR

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

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
2.33	47.25

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.04	α = 90
b = 74.04	β = 90
c = 350.93	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	2.33	60.23	100	0.068	0.076	0.024	21	10.2		46264			51.57

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	2.33	2.39	99.9		0.967	1.07	0.335	2.9	10.1

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	2.33	60.225	46188	2310	99.957	0.219	0.2171	0.2449	37.559

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]
1.792	0.896		1.792		-5.815

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	27.053
r_dihedral_angle_4_deg	20.111
r_dihedral_angle_3_deg	15.748
r_lrange_it	8.291
r_lrange_other	8.291
r_dihedral_angle_1_deg	7.338
r_scangle_it	6.161
r_scangle_other	6.161
r_mcangle_it	4.383
r_mcangle_other	4.381
r_scbond_it	3.898
r_scbond_other	3.897
r_mcbond_it	2.815
r_mcbond_other	2.812
r_angle_other_deg	2.381
r_angle_refined_deg	1.738
r_symmetry_nbd_refined	0.324
r_nbd_other	0.301
r_symmetry_xyhbond_nbd_refined	0.261
r_symmetry_nbd_other	0.218
r_nbd_refined	0.192
r_nbtor_refined	0.165
r_xyhbond_nbd_refined	0.101
r_ncsr_local_group_3	0.099
r_ncsr_local_group_6	0.099
r_ncsr_local_group_8	0.099
r_ncsr_local_group_10	0.097
r_ncsr_local_group_4	0.088
r_ncsr_local_group_1	0.087
r_ncsr_local_group_5	0.086
r_ncsr_local_group_7	0.086
r_ncsr_local_group_2	0.083
r_ncsr_local_group_9	0.08
r_symmetry_nbtor_other	0.078
r_chiral_restr	0.074
r_bond_other_d	0.035
r_gen_planes_other	0.014
r_bond_refined_d	0.013
r_gen_planes_refined	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7905
Nucleic Acid Atoms
Solvent Atoms	34
Heterogen Atoms	140

Software

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