7OZE

Sulfated host glycan recognition by carbohydrate sulfatases of the human gut microbiota (BT1624-S1_15)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293	20 mg/ml BT1624-S1_15 with 10 mM 6S-GalNAc crystallised in 20 % PEG 6000, 0.2 M ammonium chloride and 0.1 M sodium acetate pH 5.5

Crystal Properties
Matthews coefficient	Solvent content
2.32	47.01

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 86.401	α = 90
b = 124.715	β = 95.321
c = 97.137	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 EIGER2 X 16M		2018-07-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04	0.9790	Diamond	I04

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	2.7	50.54	100	0.927	3	3.7		56316

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	2.7	2.78			0.662	1.4

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	6S20	2.7	50.5	56197	2741	99.709	0.23	0.2287	0.2635	16.837

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]
-1.134		1.09	2.044		-1.094

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.437
r_dihedral_angle_3_deg	17.453
r_dihedral_angle_4_deg	16.396
r_dihedral_angle_1_deg	6.778
r_lrange_it	2.756
r_lrange_other	2.754
r_angle_refined_deg	1.343
r_mcangle_it	1.247
r_mcangle_other	1.247
r_scangle_it	1.147
r_scangle_other	1.146
r_angle_other_deg	1.138
r_mcbond_it	0.712
r_mcbond_other	0.712
r_scbond_it	0.647
r_scbond_other	0.647
r_symmetry_xyhbond_nbd_refined	0.24
r_nbd_other	0.222
r_metal_ion_refined	0.199
r_nbd_refined	0.185
r_symmetry_nbd_other	0.181
r_symmetry_nbd_refined	0.18
r_nbtor_refined	0.154
r_xyhbond_nbd_refined	0.151
r_symmetry_nbtor_other	0.073
r_symmetry_xyhbond_nbd_other	0.052
r_chiral_restr	0.051
r_ncsr_local_group_4	0.051
r_ncsr_local_group_6	0.051
r_ncsr_local_group_2	0.05
r_ncsr_local_group_5	0.047
r_ncsr_local_group_1	0.045
r_ncsr_local_group_3	0.044
r_bond_refined_d	0.005
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	14891
Nucleic Acid Atoms
Solvent Atoms	267
Heterogen Atoms	68

Software

Software
Software Name	Purpose
REFMAC	refinement
xia2	data reduction
Aimless	data scaling
PHASER	phasing