7OVW

Binding domain of botulinum neurotoxin E in complex with GD1a

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.2	294	0.2 M sodium chloride 0.1 M phosphate/citrate pH 4.2, 20 % w/v PEG 8000

Crystal Properties
Matthews coefficient	Solvent content
2.2	43.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 69.372	α = 90
b = 84.92	β = 91.565
c = 79.903	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 PILATUS 6M-F		2015-10-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PETRA III, EMBL c/o DESY BEAMLINE P13 (MX1)	0.9762	PETRA III, EMBL c/o DESY	P13 (MX1)

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim 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	2.2	53.77	95.4	0.066	0.094	0.066	0.987	7.5	3		44975			34.8

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.2	2.27	92.5		0.529	0.748	0.529	0.807	1.7	2.8

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	3FFZ	2.2	53.77	44952	2082	95.245	0.219	0.2165	0.2709	40.213

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]
-2.981		1.159	3.566		-0.647

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.605
r_dihedral_angle_4_deg	15.544
r_dihedral_angle_3_deg	12.449
r_dihedral_angle_1_deg	7.28
r_lrange_it	4.37
r_lrange_other	4.352
r_mcangle_it	2.728
r_mcangle_other	2.728
r_scangle_it	2.466
r_scangle_other	2.466
r_mcbond_it	1.569
r_mcbond_other	1.569
r_scbond_it	1.409
r_scbond_other	1.409
r_angle_refined_deg	1.212
r_angle_other_deg	1.077
r_nbd_refined	0.162
r_symmetry_nbd_other	0.162
r_nbtor_refined	0.158
r_nbd_other	0.154
r_symmetry_nbd_refined	0.148
r_symmetry_xyhbond_nbd_refined	0.138
r_xyhbond_nbd_refined	0.132
r_symmetry_nbtor_other	0.064
r_chiral_restr	0.039
r_gen_planes_refined	0.003
r_symmetry_xyhbond_nbd_other	0.003
r_bond_refined_d	0.002
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6634
Nucleic Acid Atoms
Solvent Atoms	297
Heterogen Atoms	124

Software

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