4NUZ

Crystal structure of a glycosynthase mutant (D233Q) of EndoS, an endo-beta-N-acetyl-glucosaminidase from Streptococcus pyogenes

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	LIQUID DIFFUSION		298	Crystals were grown through liquid-liquid diffusion using the Crystal Former from Microlytic, 20% polyethylene glycol (PEG) 3350, 0.2 M Lithium acetate at 298 K , LIQUID DIFFUSION

Crystal Properties
Matthews coefficient	Solvent content
3.12	60.54

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 92.769	α = 90
b = 96.388	β = 90
c = 141.545	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	CCD	MARMOSAIC 300 mm CCD		2013-07-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-B	0.979340, 0.97870, 0.91837, 0.97951	APS	23-ID-B

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	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	1.905	30	96.8				98581		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.9	2.01	95.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	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	MAD	1.905	29.685	1.33	98436	98436	1984	98.7	0.1932	0.1923	0.2346	RANDOM	38.5665

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	14.503
f_angle_d	1.508
f_chiral_restr	0.111
f_bond_d	0.016
f_plane_restr	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7047
Nucleic Acid Atoms
Solvent Atoms	848
Heterogen Atoms	1

Software

Software
Software Name	Purpose
SHELX	phasing
RESOLVE	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction
JBluIce-EPICS	data collection
XDS	data reduction
XSCALE	data scaling
SOLVE	phasing
PHASER	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.