5MQR

Sialidase BT_1020

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293.15	14% (v/v) ethylene glycol, 14% (w/v) PEG 8000, 30 mM of each di-, tri, tetra- and penta-ethylene glycol, 50 mM hepes and 50 mM MOPS pH 7.5

Crystal Properties
Matthews coefficient	Solvent content
3.52	65.02

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 125.72	α = 90
b = 316.998	β = 90
c = 90.023	γ = 90

Symmetry
Space Group	C 2 2 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 PILATUS 6M		2016-06-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04	0.978	Diamond	I04

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.2	49.25	99.3	0.145	0.993	9.5	6.6		90935		1.5

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.2	2.24	97.3		0.998	0.495	1.4	4.9

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	SAD	THROUGHOUT	2.2	49.25	86325	4591	99.78	0.16585	0.1643	0.1951	RANDOM	30.308

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]
1.24			-0.89		-0.35

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.02
r_dihedral_angle_4_deg	16.741
r_dihedral_angle_3_deg	13.604
r_dihedral_angle_1_deg	7.669
r_long_range_B_refined	3.846
r_long_range_B_other	3.846
r_scangle_other	1.778
r_angle_refined_deg	1.529
r_mcangle_it	1.285
r_mcangle_other	1.285
r_scbond_it	1.076
r_scbond_other	1.075
r_angle_other_deg	0.953
r_mcbond_it	0.759
r_mcbond_other	0.758
r_chiral_restr	0.092
r_bond_refined_d	0.011
r_gen_planes_refined	0.007
r_bond_other_d	0.002
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	8784
Nucleic Acid Atoms
Solvent Atoms	890
Heterogen Atoms	61

Software

Software
Software Name	Purpose
XDS	data reduction
Aimless	data scaling
SHELXCD	phasing
SHELXDE	phasing
Coot	model building
REFMAC	refinement