7AN1

A single sulfatase is required for metabolism of colonic mucin O-glycans and intestinal colonization by a symbiotic human gut bacterium (BT1636-S1_20)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1FSU

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293	BT1636 (20 mg/ml) with 20 mM LacNAc crystallised in 40 % MPD and 0.2 M sodium cacodylate pH 6.5.

Crystal Properties
Matthews coefficient	Solvent content
2.9	57.65

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.28	α = 90
b = 87.85	β = 90
c = 103.31	γ = 90

Symmetry
Space Group	P 21 21 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 EIGER2 X 16M		2018-07-08	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	1.5	51.709	99.1	0.997	11.2	7		107725

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	1.5	1.53			0.656	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	1FSU	1.5	51.708	107642	5546	99.064	0.142	0.1411	0.1672	24.081

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]
2.057			-4.787		2.729

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.856
r_dihedral_angle_4_deg	16.18
r_dihedral_angle_3_deg	12.369
r_dihedral_angle_1_deg	7.34
r_lrange_it	4.469
r_lrange_other	4.392
r_rigid_bond_restr	4.057
r_scangle_it	3.917
r_scangle_other	3.917
r_mcangle_other	3.315
r_mcangle_it	3.313
r_scbond_other	3.226
r_scbond_it	3.225
r_mcbond_it	2.602
r_mcbond_other	2.597
r_angle_refined_deg	1.503
r_angle_other_deg	1.4
r_nbd_refined	0.21
r_symmetry_xyhbond_nbd_refined	0.187
r_symmetry_nbd_refined	0.185
r_symmetry_nbd_other	0.183
r_nbtor_refined	0.173
r_xyhbond_nbd_refined	0.133
r_metal_ion_refined	0.119
r_nbd_other	0.095
r_chiral_restr	0.081
r_symmetry_nbtor_other	0.078
r_bond_refined_d	0.009
r_gen_planes_refined	0.008
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3877
Nucleic Acid Atoms
Solvent Atoms	384
Heterogen Atoms	27

Software

Software
Software Name	Purpose
REFMAC	refinement
xia2	data reduction
xia2	data scaling
BALBES	phasing