6XPG

Crystal Structure of Sialate O-acetylesterase from Bacteroides vulgatus by Serial Crystallography

X-RAY DIFFRACTION

Serial Crystallography (SX)

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	6NJC	PDB entry 6NJC

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	BATCH MODE	4.5	295	0.2 M lithium sulfate, 0.1 M acetate, pH 4.5, 2.5 M sodium chloride

Crystal Properties
Matthews coefficient	Solvent content
3.4	63.85

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 102.533	α = 90
b = 102.533	β = 90
c = 103.042	γ = 120

Symmetry
Space Group	P 65 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	295	PIXEL	DECTRIS PILATUS3 6M		2018-10-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I24	0.9686	Diamond	I24

Serial Crystallography

Sample delivery method
Diffraction ID	Description	Sample Delivery Method
1	Silicon nitride chips	fixed target

Fixed Target
Diffraction ID	Description	Sample Holding	Support Base	Motion control	Details	Sample Solvent
1	Silicon nitride chips	Diamond/Hamburg holder		GeoBrick / SmarAct

Data Reduction
Diffraction ID	Frames Indexed	Crystal Hits	Frames Indexed	Latices Merged
1	10846	10846	10846

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	1.9	45.91	100	0.982	2.22	97.3		25754			15.29

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	1.9	1.93	99.3		0.288	0.45	6.85

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	PDB entry 6NJC	1.9	45.9	1.35	25744	1319	99.92	0.2076	0.2056	0.21	0.2423	0.24	23.42

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	14.3207
f_angle_d	0.7357
f_chiral_restr	0.0495
f_bond_d	0.0059
f_plane_restr	0.0039

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1587
Nucleic Acid Atoms
Solvent Atoms	58
Heterogen Atoms

Software

Software
Software Name	Purpose
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling
HKL-3000	phasing
MOLREP	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.