7OZA

Sulfated host glycan recognition by carbohydrate sulfatases of the human gut microbiota (BT3796_S1_16)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	7AN1

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293	20 mg/ml BT3796S1_16 with 10mM 4S-GalNAc was crystallised in 20 % PEG 6000, 0.2 M magnesium chloride and 0.1 MES pH 6.0.

Crystal Properties
Matthews coefficient	Solvent content
2.26	45.53

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 73.18	α = 90
b = 88.95	β = 112.05
c = 87.91	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		2018-07-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04-1	0.9159	Diamond	I04-1

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	81.613	99.7	0.996	7	1.9		166081

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			0.577	1.5

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	7AN1	1.5	81.613	165846	8251	99.473	0.143	0.1415	0.1757	17.155

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]
-0.453		-0.318	2.979		-1.708

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.758
r_dihedral_angle_4_deg	15.235
r_dihedral_angle_3_deg	11.701
r_rigid_bond_restr	8.597
r_dihedral_angle_1_deg	6.621
r_lrange_it	3.083
r_lrange_other	2.881
r_scangle_other	2.759
r_scangle_it	2.758
r_scbond_other	2.291
r_scbond_it	2.29
r_mcangle_it	2.183
r_mcangle_other	2.183
r_mcbond_it	1.753
r_mcbond_other	1.745
r_angle_refined_deg	1.477
r_angle_other_deg	1.409
r_nbd_other	0.22
r_symmetry_nbd_refined	0.213
r_nbd_refined	0.199
r_symmetry_nbd_other	0.183
r_symmetry_xyhbond_nbd_refined	0.178
r_nbtor_refined	0.168
r_metal_ion_refined	0.123
r_xyhbond_nbd_refined	0.118
r_chiral_restr	0.078
r_symmetry_nbtor_other	0.077
r_ncsr_local_group_1	0.058
r_bond_refined_d	0.008
r_gen_planes_refined	0.008
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7625
Nucleic Acid Atoms
Solvent Atoms	755
Heterogen Atoms	83

Software

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