Experiment: 4X8B

Ergothioneine-biosynthetic sulfoxide synthase EgtB, apo form

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		293	0.1 M Tris/HCl pH 7-7.5, 6-12% PEG 8000, 0.2 M magnesium chloride

Crystal Properties
Matthews coefficient	Solvent content
3.23	61.97

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 134.78	α = 90
b = 134.78	β = 90
c = 141.204	γ = 90

Symmetry
Space Group	P 43 21 2

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 2M-F		2014-02-14	M	SINGLE WAVELENGTH
2	1	x-ray	100	PIXEL	DECTRIS PILATUS 2M-F		2014-02-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06DA	2.066	SLS	X06DA
2	SYNCHROTRON	SLS BEAMLINE X06DA	1.0	SLS	X06DA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	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	1.7	48.75	100	0.118	0.023	1	24.6	26.6		142371			19.98

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.7	1.73	100		1.578	0.306	0.785	2.7	27.5	6966

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	FREE R-VALUE	1.7	48.748	1.36	142263	7009	99.99	0.1387	0.1377	0.1431	0.1569	0.1415	random selection	28.9402

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	13.288
f_angle_d	1.214
f_chiral_restr	0.046
f_bond_d	0.009
f_plane_restr	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6708
Nucleic Acid Atoms
Solvent Atoms	1203
Heterogen Atoms	162

Software

Software
Software Name	Purpose
Aimless	data scaling
SHELXDE	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
ARP	model building
Coot	model building